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Stoneridge Electronics Ltd
Tachograph Re-certification
Training Course
© Stoneridge Electronics Ltd
DD55468 Rev 01
1
Stoneridge Electronics Ltd
COPYRIGHT
This training course and all material used and issued
throughout this course is the sole Copyright of Stoneridge
Electronics Ltd.
The information contained in this document is the Property of
Stoneridge Electronics Ltd. and should not be disclosed,
reproduced in whole or in part, or used under any condition by
anyone without the written authority of Stoneridge Electronics
Ltd.
DD55468 Rev 01
2
Day 1
9:00
Introduction, Health &
Safety Information

11:15
The MKII Tachograph
Programmer
9:05
Company Profile

11:30
Using the MKII Programmer
with the 8400 Tachograph
9:10
Tachograph Introduction,
Charts & Regulations

W,K & L and Calibration

12:30
Lunch
13:00
Using the 2400 Tachograph
13:45
Using the MKII Programmer
with the 2400 Tachograph

15:00
Tea Break

15:15
Questions?

15:30
Exam

16:45
Finish
9:45
10:00
Senders & Cables
10:10
Tea Break
10:20
Sealing and Plaques
10:50
Using the 8400
Tachograph
DD55468 Rev 01
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Statement
This course has been written and created in conjunction
with the VOSA published document
‘The Approved Tachograph Centre Manual’
Please consult your copy of the VOSA manual
This is a VOSA approved training course
DD55468 Rev 01
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Section 1.1
Health & Safety
DD55468 Rev 01
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Health & Safety
In the event of the fire alarm sounding, personnel should leave the building
by the nearest practical exit, keeping traffic routes clear for emergency
services, and gather at assembly point 6 at the front of the building
DO NOT STOP TO TAKE POSSESSIONS WITH YOU OR GO BACK FOR THEM
DO NOT RE-ENTER THE BUILDING UNTIL INSTRUCTED BY THE
EVACUATION COORDINATOR OR HIS DEPUTY
This is a no smoking facility
Smoking is only permitted in the designated area at the side of the facility
Lunch, Coffee & Tea are provided free of charge in the Canteen
Toilet Facilities are at the front end of the building
DD55468 Rev 01
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Section 1.2
Company Profile
DD55468 Rev 01
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Stoneridge
Warren, OH, USA
Stoneridge Sales
Alphabet
Warren, OH
Chihuahua,
Mexico
Monclova,
Mexico
(1)
– 50% Ownership
(2)
– 20% Ownership
Finance
Stoneridge
Electronics Group
Pollak
Switch Products
Stoneridge Electronics
- Stockholm, Sweden
- Örebro, Sweden
- Tallinn, Estonia
- Dundee, Scotland, UK
Canton, MA
Pollak Actuators - Boston, MA
Juarez, Mexico
Hi-Stat - Lexington, OH
Pollak Electronics
- El Paso, TX
- Juarez, Mexico
Cheltenham,
England, UK
Actuator/Sensor Products
Hi-Stat Sensors
- Sarasota, FL
- Lexington, OH
PST Electrônica JV(1)
- Campinas, Brazil
- Manaus, Brazil
Minda/Stoneridge JV(2)
-Pune, India
China Representative Office
DD55468 Rev 01
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Stoneridge Electronics Locations
Dundee, Scotland
Örebro, Sweden
Bromma, Sweden
Tallinn, Estonia
Sales & Support:
Stuttgart, Germany
Frankfurt, Germany
Nuremberg, Germany
Madrid, Spain
Paris, France
Bayonne, France
DD55468 Rev 01
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UK – Design, Manufacture & Sales
•
•
•
Dundee
100+ employees
7400 m²
DD55468 Rev 01
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Overview Stoneridge Electronics Products
Instrument Clusters
Tachographs
Multiplex Systems
Power Distribution Centre
ECU’s
Telematics Systems
DD55468 Rev 01
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Stoneridge Electronics Customers
Trucks
Scania
Volvo
Daimler Chrysler
MAN
Renault
DAF
Bus
Scania
Volvo
EvoBus
Jonckheere
Plaxton
IRISBus
Off Road
VCE
Same Deutz-Fahr
Case New Holland
Automotive
Renault
Ford
Eberspächer
DD55468 Rev 01
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Section 1.3
Tachograph Introduction, Charts
& Regulations
DD55468 Rev 01
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Tachograph Introduction - Why is a Tachograph Required?

All EU member countries must adhere to EU legislation. It is a legal
requirement to have a Tachograph chart fitted or Driver smartcard inserted,
depending on vehicle Tachograph type, whilst driving a non-exempt vehicle

Under EU Tachograph legislation, all vehicles that are used for commercial
purposes and have a maximum permissible weight of greater than 3.5
tonnes must have a Tachograph installed

Tachographs are required to be fitted to passenger carrying vehicles with
more than 9 seats for all journeys. Note: an exemption is given to vehicles
with between 10 and 17 seats exclusively for the non-commercial carriage of
passengers

There are a number of examples of vehicles that are exempt to these rules
as listed in the EU legislation e.g. vehicles with a maximum speed of not
more than 40 km/h. The legislation also defines the specification that any
type approved Tachograph must meet
DD55468 Rev 01
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Tachograph Introduction – 1100 Tachograph

The first type of Tachograph introduced by
Veeder-Root was in the 1970’s and was the
1100 series Mechanical Tachograph

This was similar in design to existing
mechanical drive circular speedometers of that
time

The 1100 Tachograph utilises a mechanical
flexible rotating shaft drive cable that is
connected between the gearbox rotating shaft
output and the rear of the Tachograph driving
the mechanical speed and distance measuring
systems within the instrument

An electrical supply to the Tachograph is
required, but only to power the clock and the
lamps
DD55468 Rev 01
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The Electronic Tachograph was first
introduced by Veeder-Root in the early 1980’s
and was the 1200 series. This was
superseded by the more advanced 1400 series
Tachograph in early 1984

The exterior design was very similar to 1100
Mechanical Tachographs

The 1200/1400 Tachograph eliminates the
need for a mechanical flexible rotating shaft
gearbox drive cable and instead uses an
electronic gearbox motion sensor and electric
cable to connect to the gearbox output

Microprocessor technology was used for the
internal speed and distance measuring
systems within the instrument
DD55468 Rev 01
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Tachograph Introduction – 8300/8400 Tachographs

In 1987 the 8300 Tachograph was introduced
and used a microcontroller to perform the basic
measurement, calculation and control functions

The 8300 Tachograph was the first Veeder-root
Tachograph to utilise the four 8-way Amp minitimer rear connectors that have since become
the industry standard

In 1991 the 8400 series Tachograph was
introduced. It is visually and dimensionally
identical to the 8300 Tachograph but uses
more modern electronics

The 8400 has electronically programmable
engine rev bands, overspeed, ignition-onrecord and pulses-per-rev settings

The 8300 and 8400 Tachographs are automatic
in terms of ‘drive’ recording
DD55468 Rev 01
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The 2400 series Veeder-root Tachograph
was introduced in 1999

These tachographs fit inside a standard
ISO7736 radio enclosure allowing for an
integrated cluster in the vehicle

The 2400 can be driven from an 8-pulse
sender but unlike older tachographs it can
also accept speed pulses from an encrypted
sender, KITAS 1. This device provides the
Tachograph with a secure speed signal that
cannot be tampered with without the
tachograph sensing and memorising the
event

The 2400 was designed to function under
CANbus and/or K-line control

It also has a real time clock with a 10 year
battery life
DD55468 Rev 01
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Tachograph Introduction – SE5000 Digital Tachograph

The Digital Tachograph was introduced
by Stoneridge in 2005 in the form of the
SE5000

The SE5000 Digital Tachograph is
designed to fit inside a standard
ISO7736 radio enclosure

The SE5000 can only be driven from a
gearbox motion sensor device known as
an encrypted sender, KITAS 2

The SE5000 was designed to comply
with EU regulation 1360/2002 and
displays and records speed, distance and
driver duties in a digital format recorded
in internal memory and duties on a
driver smartcard

The EU type approval number for the
SE5000 Tachograph is e5 0002
DD55468 Rev 01
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Charts – Pear Hole Charts

Pear hole charts are detailed below. There is 24 Hour time scales which are
standard to all one-day charts, subsections for speed, 4th trace/events
recording, activity mode, distance and centrefield
24 Hour Markings
Speed Trace
4th Stylus/Events
Activity Mode
Distance Trace
Centre Field
DD55468 Rev 01
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Charts – Pear Hole Charts – Reverse Side
Manual Entries
Chart and Tachograph EU
Approval Numbers, Always
check compatibility.
Additional Changes of Vehicle
DD55468 Rev 01
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Tachograph Regulations – Analogue Recording Equipment

In 1985 new EU Tachograph Recording Equipment legislation was issued in
the form of Council Regulation (EEC) No. 3821/85. This legislation, which
is commonly known as ‘Annex 1’ is the basis for all modern Analogue
Tachographs that are currently available on the market e.g. 8400/2400 etc

Subsequently there were various amendments to the Annex 1 legislation in
the form of Commission Regulations (EC) 3314/90, 3688/92, 2479/95 and
1056/97. These amendments are regarding
• new chart marking requirements for equipment power
disconnection and speed sensor signal failure
• the requirement for armoured speed sensor cable fitting
• the introduction of speed sensor signal encryption
• the fitting of armoured cable into small vehicles

Vehicles registered on or before 30th April 2006 can be fitted with either a
Digital Tachograph or Analogue Tachograph at the customers request.
Vehicles registered after this date must have a Digital Tachograph
system fitted
DD55468 Rev 01
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Tachograph Regulations – VOSA

The Vehicle and Operator Services Agency, VOSA, was formed in 2003
following a merger of the Vehicle Inspectorate, VI, and the Traffic Area
Network, TAN, divisor of the UK government Department for Transport, DFT

The aim of VOSA is to contribute to the improvement of road safety,
environmental standards, and to the reduction of vehicle crime

VOSA are the government body responsible for enforcing all drivers’ hours
and Tachograph legislation, including the fitment and calibration of
Tachograph systems

The limits of accuracy for speed, distance and time, both visually and
recorded, for Analogue Tachographs are summarised below and are as listed
in Council Regulations (EEC) 3821/85 and in the VOSA Approved Tachograph
Centre Manual
DD55468 Rev 01
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Tachograph Regulations – Tachograph Tolerances

The Bench Test tolerances at Initial or 6 Yearly Inspection, also for 2
Yearly inspection for Centres using non-roller test equipment
•
•
•

The tolerances for an Installed system at the initial calibration stage are,
•
•
•

Distance Travelled: ±1%, where that distance is at least 1km
Speed: ±3 km/h
Time: ±10 minutes per 7 days, or ±2 minutes per day if clock cannot
run for 7 days continuously
Speed: ±4 km/h
Time: as Bench test
The tolerances for an Installed Analogue Tachograph system that is In
Use, including as part of the 2-Year or 6-Year inspections, are as follows,
•
•
•
Speed: ±6 km/h
Time: as Bench test
DD55468 Rev 01
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Tachograph Regulations – Installation / 6-Yearly Periodic
Inspection Procedure

The full procedure is described in the VOSA Approved Tachograph Centre
Manual – please consult for the full current up-to-date procedure

Prior to carrying out the procedure, any previously fitted charts must be
removed and returned to the driver. The procedure is as follows:
•
For a mechanical installation, any adaptor gearboxes must be stripped,
cleaned and re-greased before continuing
•
Check Legal Requirements for installation
– Manufacturers Data Label / EU type approval number
– Check all Tachograph manufacturer seals are valid and intact
– For vehicles registered on or after 01/01/1996, check Tachograph
can automatically record driving. Check Tachograph-vehicle
motion sensor connection is made with armoured cable that is
sealed at both ends – not required if a signal
encryption type
motion sensor is fitted
DD55468 Rev 01
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•
Bench Test the Tachograph with the Tachograph removed from the
vehicle using an approved method and equipment
– Check all displayed and recorded speeds and distances are within
legal tolerances
– Check all non-driving duty modes are displayed and recorded
correctly
– Check clock for accuracy to within legal tolerances
– For vehicles registered on or after 01/01/1996 check that powerfailure and sender disconnect conditions are detected and
recorded
•
Calibrate the Vehicle
– Measure the characteristic coefficient of the vehicle (W-Factor in
imp/km or rev/km)
– Measure the effective circumference of the drive wheel tyres
(L-Factor in mm)
DD55468 Rev 01
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•
Set the Tachograph Constant (K) using an approved programming
device or by adjusting DIL switches as appropriate
•
Carry out a speed-for-speed check on the rolling road at a 50 km/h
test speed
•
Seal the Tachograph Installation as per authority instructions
•
Remove all existing plaques and fit a new installation plaque
•
Complete documentation – GV 212 and Tachograph Record Sheet
•
Retain Tachograph Test Charts and Tachograph Record sheet for 6
years
DD55468 Rev 01
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Tachograph Regulations – 2-Yearly Periodic Inspection
Procedure

The full procedure is described in the VOSA Approved Tachograph Centre
Manual – please consult for the full current up-to-date procedure

A 2-yearly inspection is due 2 years after the most recent calibration was
carried out or 2 years since the last 2-yearly inspection was carried out
unless a 6-yearly inspection is due. Note: a 6-yearly inspection must
NEVER be delayed

Prior to carrying out the procedure, any previously fitted charts must be
removed and returned to the driver. The procedure is as follows:
•
Check Legal Requirements for installation
– EU type approval number / Tachograph descriptive plaque valid
– Check all Tachograph system seals are valid and intact
DD55468 Rev 01
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Procedure
•
Test the Tachograph using an approved method and equipment
– Fit test charts
– Check clock for accuracy to within legal tolerances
– Check illumination
– Check chart to clock time ±5 minutes maximum
– Check all non-driving duty modes are recorded for 2 minutes and
displayed correctly
– For vehicles registered on or after 01/01/1996 check that powerfailure and sender disconnect conditions are detected & recorded
– Measure L-factor and check to within ±4% of L-factor recorded
previously on installation plaque
– Using roller test equipment drive at 40 km/h and then 60km/h for 2
minutes each – check displayed speeds are within tolerances
– Record odometer reading and distance travelled during test
DD55468 Rev 01
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Procedure
•
Remove test charts and check all recorded speeds and distances are
within legal tolerances and duty mode traces are correct
•
If installation meets all tolerances, remove all existing 2-yearly
plaques and fit a new 2-yearly plaque & seal – unless it is a type that
cannot be removed without destroying
•
Complete documentation – GV 212 and Tachograph Record Sheet
•
Retain Tachograph Test Charts and Tachograph Record sheet for a
minimum of 2 years
•
If criteria not met, carry-out minor repair if possible e.g. external
electrical connections, odometer, front bezel to complete the
inspection
•
If criteria not met and W and/or L out with VOSA tolerances, then a
6-yearly inspection including system recalibration must be
carried out
DD55468 Rev 01
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Section 1.4
W, K & L-Factors and
Calibration Methods
DD55468 Rev 01
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Establishing the Vehicle W and L-Factor Calibration Parameters

In the U.K. all Tachograph centres, other than remote centres, are required
by law to have an electronic test rig to obtain the W and L-factors

The electronic test rig takes the form of a Rolling Road combined with a
Tachograph Calibration system

There are several types of system available. The Stoneridge Rolling Road
and MKII programmer are shown below. This system calculates using a
measured distance roller

The Hartridge system, although having been designed in the 1970’s, is still
the most commonly used rolling-road system in UK Approved Tachograph
centres, working on a set measuring speed of 50 km/h
DD55468 Rev 01
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– Using a Stoneridge Rolling Road
Distance Roller
Infra-red Transducer
Bogie Rollers
Console with MKII Programmer
Vehicle Support Roller
DD55468 Rev 01
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– Physical Method

Where an electronic Tachograph Calibration system is not fitted, e.g. in
Ireland or remote stations in the U.K., or where the Tachograph calibration
system has failed, or cannot be used on a specific vehicle, the ‘physical
method’ must be used instead to determine the vehicle calibration parameters

The physical method for determining W-factor consists of measuring over a
calibrated fixed distance of 20 metres, either the number of gearbox turns for
a mechanical output system or the number of gearbox sender pulses for an
electronic output system

The measured W-factor value can be easily multiplied by a factor of 50, for a
20m track, to provide the required “per kilometre” value

The L-factor can be determined by marking the ground and measuring the
distance travelled for five rotations of the drive wheel. The distance
measured for the five rotations of the driven wheel can then be divided by
five to provide the vehicle L-factor value in mm

In the case of a failed calibration system, VOSA permission must be
obtained before using the physical method
DD55468 Rev 01
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Section 1.5
Senders & Cables
DD55468 Rev 01
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Senders & Cables – 4-wire Non-Armoured Cables
4-wire Non-Armoured Cable
4-wire Armoured Cable From 1/1/96
Encrypted Sender Cable Round Pin
DD55468 Rev 01
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Senders & Cables – 8-Pulse Gearbox Sender

The initial 8-Pulse sender devices, 2155 and 2157, were developed by
Kienzle. These sender devices had only one speed signal channel and were
known as 3-wire 8-Pulse Senders. However with one speed signal channel, it
was possible to tamper with the speed signal without detection

Thus it became necessary to develop an 8-Pulse sender that had a second
complimentary speed signal channel that made tampering with the speed
signal more detectable. These devices with two speed pulse channels are
known as 3-wire 8-Pulse senders

Stoneridge 8-pulse senders use a Hall-effect IC that produces 8 impulses for
each revolution of the gearbox driven shaft. Stoneridge Tachographs such as
the 8400 and 2400 will record error modes if either of the input signals from
the two speed signal channels is not present

An 8400 Tachograph will not work with a 3-wire sender although an
electronic 3-wire to 4-wire converter can be used if a vehicle is fitted with an
old style 3-wire 8-pulse sender
DD55468 Rev 01
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Senders & Cables – 8-Pulse Gearbox Sender
1 Revolution of
Sender Input Shaft
Pulses from Channel 1
4-wire
3-wire
DD55468 Rev 01
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Senders & Cables – Proximity Gearbox Sender Devices

Proximity senders also utilise a Hall-effect IC to generate a speed pulse train
to output to the Tachograph that is proportional to the speed of the vehicle.
However unlike 8-pulse senders where the sender fits directly onto the
gearbox drive shaft to count gearbox revolutions, the proximity devices
generate a speed pulse for every tooth on the gearbox tone-wheel that
passes the sender as shown
Gearbox Tone-Wheel
Proximity Sender
Hall-Effect IC
DD55468 Rev 01
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Senders & Cables – KITAS1 Gearbox Encrypted Senders

Stoneridge KITAS1 Encrypted senders are also proximity devices and their
construction is very similar to standard 4-wire proximity sender devices.
KITAS1 Encrypted devices must only be used with Analogue Tachographs that
are compatible with them e.g. 2400 series Tachograph

The main difference between an encrypted sender and a 4-wire proximity
device is that the encrypted device has an encryption communication channel
instead of the standard ‘complimentary’ channel that the 4-wire devices have.
The encryption channel has encryption data embedded into the complimentary
signal as shown
Encryption Signal
DD55468 Rev 01
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Section 1.6
Sealing & Plaques
DD55468 Rev 01
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Sealing Parts - Lead & Red Seals

To comply with the law, a Tachograph system must be sealed at all
times

A lead seal is compressed around a loop of sealing wire using a pair
of sealing pliers 7955-008. These pliers should be equipped with
anvils supplied by Stoneridge and marked with the appropriate
manufacturer symbol and a valid VOSA Approved Tachograph
centre number, e.g. GBL 300

Red plastic seals must be embossed with your station number using
sealing pliers 7955-255 equipped with anvils supplied by Stoneridge
and marked with a valid Approved Tachograph centre number, e.g.
GBL 300

The Tachograph seals required vary depending on the exact model
but include a calibration switch cover, a programming socket cover,
rear connector seals, jack plug seals and round plastic seals
DD55468 Rev 01
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Plaques – Different Types

Calibration Label with Coverlay 7955-111
• Vehicle calibration details are recorded
using a combined calibration & overlay
label. Suitable for both mechanical &
analogue Tachographs

2-Year check label 6955-579
• Once the Tachograph system passes all
the 2-year tests, this label is affixed to the
inside of the Tachograph. Coverlay for this
label is 6955-562

Minor Work Label 6955-561
• To be used on a Tachograph system that
is repaired under the Minor Work
Procedure. Coverlay for this label, is 6955562
DD55468 Rev 01
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Plaques – Different Types

Calibration Label – Metallised Analogue and Digital
Approved
•
•

This plaque it is of a type that cannot be
removed without damaging it
Plaque must be fitted on or beside the VU and
must be visible at all times
Information on the plaque must include
•
•
•
•
•
Name and address of approved technician or
workshop
W, K and L factors
Tyre size
VIN
Date of W & L factor determination
DD55468 Rev 01
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How and Where to Seal an Electronic Tachograph System

Sealing the gearbox sender is mandatory for all Tachograph systems
including adaptors
For a non-encrypted system, the sender cable must also be sealed at both
ends
For vehicles registered after 01/01/1996, and fitted with a non-encrypted
system, the sender cable must be of an approved armoured type
For an encrypted system, only the gearbox sender seal is required and nonarmoured sender cable can be used for all encrypted systems
Wired Seal
Sensor Cable
Gearbox
Sensor Connector
and Retaining Nut
DD55468 Rev 01
45
Sealing for the 8400 Series Tachographs – Rear Sealing
Shroud Additional Requirement

If a Tachograph is fitted with armoured cable the following procedure must
be carried out as a VOSA requirement:

Check the rear Sealing Shroud that is used to secure the power and signal
cable plugs at the rear of the Tachograph - if no sealing label has been
previously fitted, or if the fitted seal is no longer intact, conduct checks on
the integrity of system and then seal, or re-seal, as follows
•
•
•
•
Seal the rear shroud in the normal way using an embossed red seal
Take a K-factor label, 6953-266, and cross through the “Imp/km”
marking and enter the Tachograph Centre Seal Number as shown in
Appendix I of the VOSA Approved Tachograph Centre Manual
Affix the white K-factor label vertically so that it is affixed to both the
side of the rear sealing shroud and the casing of the Tachograph.
Ensure that label is ‘tucked’ over the lip to ensure a good seal
Complete sealing process by covering the white K-factor label
with a blue edged plastic adhesive overlay, 6953-267
DD55468 Rev 01
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Sealing for the 8400 Series Tachographs – Rear Sealing
Shroud Additional Requirement
White K-factor Label
Centre Number
Must Be Entered
GB (X)
(XXX)
Cross Through
Imp/km
K-factor Label with
Plastic Overlay
Applied on top
DD55468 Rev 01
47
Sealing the 8400 Series Tachograph – Calibration Switch
Cover

The DIL switches require sealing
after calibration

Sealing must be carried out using a
black plastic cover - a clear plastic
cover MUST NOT be used

The cover is inserted into place and
moved upwards. The red seal locks
it into place. It is essential that the
seal is inserted into the hole and
fully pushed home

Similarly to the rear shroud, as a
VOSA requirement, a K-factor label
and protective overlay must be
placed over the fitted calibration DIL
switch cover seam as shown
DD55468 Rev 01
48
Sealing Requirements for the 2400 Series Tachograph

All electrical connections are made at the rear of the 2400 Tachograph using
industry standard AMP Mini-timer type connectors
There is no requirement to fit a rear connector sealing shroud when the 2400
system is installed with an encrypted sender as part of the Tachograph system
For non-encrypted sender types, a sealing shroud must be used
Only the A and B sockets are sealed because only these have signal
connections that require protection from tampering
The shroud is then held in place by a red seal that has been embossed with
the appropriate Approved Tachograph Centre number prior to fitting
It is a VOSA requirement that the rear shroud must also be secured with a
completed K-factor label and protective overlay in the same manner as was
described for the 8400 rear connector shroud
DD55468 Rev 01
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2400 Data Plate Label

The 2400 Tachograph Data Plate Label is
factory fitted and gives specification
details of the Tachograph

When the Tachograph is calibrated, the
exact K-factor in impulses per kilometre
should be recorded on a K-factor label.
The K-factor label should be fixed to the
Data Plate Label in the space provided
also as shown. The K-factor label
recorded value must be protected by
covering the completed label with the
blue edged plastic adhesive overlay as
described previously for an 8400
Tachograph
DD55468 Rev 01
2400 Data Plate Label
K-factor Label With
Plastic Overlay Applied on
top of Label
6872
50
2400 Installation plaque

After a 2400 Tachograph system has been installed or re-calibrated, an
installation plaque should be completed with the usual details of Tachograph
Centre name and address, W and L-factors, calibration date and Sealing
Number of the Approved Centre. The label and a protective coverlay,
7955-111, must be positioned carefully on the front panel of the Tachograph
Cover clip fitted and red
seal embossed with the
Approved Centre number
Installation Plaque and
Protective Overlay are
Applied Here
K-factor label and plastic
overlay applied on top of
Data Label
DD55468 Rev 01
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Documentation – Paperwork for Registration

When a vehicle has been calibrated, the Tachograph fitted, and the whole
installation sealed, the appropriate paperwork for the installation has to be
made out for record purposes. This paperwork consists of a Tachograph
Record Sheet, any test charts generated during the procedure and the
updating of the official VOSA Register of Tachograph Plaques Issued, GV
212

The Tachograph Record sheet is traditionally in the form of a duplicate
sheet. The top sheet is handed to the customer with all the calibration
information and serves as a record of the calibration and sealing since the
record contains the Approved Tachograph centre number, which is marked
on their seals. The duplicate copy, which is of a stiffer material, is retained
by the Approved Tachograph centre and has a slot cut into it to
accommodate any test charts generated during the procedure so that the
paperwork for that vehicle can be kept together. An example of the
Stoneridge Tachograph record sheet is shown below
DD55468 Rev 01
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Documentation – Tachograph Record Sheet
DD55468 Rev 01
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Documentation – Tachograph Record Sheet Information
6-Yearly Calibration of a Vehicle (Mechanical & Analogue Systems)

•
The vehicle registration number
•
The date work was carried out
•
The customer's name and address
•
The vehicle make
•
The tyre pressures
•
The tyre size and manufacturer
•
The serial number of the Tachograph
relating to the named vehicle
•
The sealing number of the
Approved Tachograph Centre
•
The signature of approved
Tachograph technician who carried
out work
•
The calibration switches settings
or the corrector box gears
required where applicable
•
The name and address of the
Approved Tachograph Centre where
the work was carried out
•
The W-factor and the L-factor
DD55468 Rev 01
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2 Year Inspection on Mechanical and Analogue Systems
• The vehicle registration number and vehicle make
• The customer's name and address and date the work was carried out
• The tyre pressures, size and manufacturer’s name
• The serial number of the Tachograph relating to the named vehicle
• The signature of approved Tachograph technician who carried out work
• The name and address of the Approved Tachograph Centre where the
work was carried out
• The effective circumference of the vehicle drive wheel tyres, L-factor,
as is currently recorded on the Tachograph installation plaque and as
measured during the current 2-year inspection
• The renewal date for the next 2-year inspection. Note: this is usually
2-years exactly from the date of the current 2-year inspection but the
date recorded must not come after the due date of the next 6-year
inspection
DD55468 Rev 01
55

Minor repairs to a Mechanical or Analogue Tachograph System
•
The vehicle registration number
•
The customer's name and address and date work was carried out
•
The vehicle manufacturer
•
The tyre size and manufacturer’s name
•
The serial number of the Tachograph relating to the named vehicle
•
The signature of approved Tachograph technician who carried out
work
•
The name and address of the Approved Tachograph Centre where
work was carried out
•
Brief details of the minor repair carried out
DD55468 Rev 01
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Documentation - Test charts

Any test charts that are used during a
procedure to check a Tachograph installation
should be retained by the Approved
Tachograph Centre and kept with the
Tachograph Record Sheet

Test charts should show all the appropriate
speed and distance recordings and the work
mode traces recorded in accordance with the
legislation

Complete all field areas

Chart must show power and sender disconnect
for vehicles registered on or after January 1st
1996
DD55468 Rev 01
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Documentation – Official Register of Plaques Issued GV 212

The Vehicle and Operator Services Agency, VOSA, require that each
Approved Tachograph centre generate record sheets for all Tachograph
work carried out by that centre

The VOSA register of Tachograph Plaques Issued, form GV 212, is a detailed
log of Tachograph work carried out. Individual vehicle details and details on
the work carried out on that vehicle MUST be recorded on the GV 212 form.
The form must be kept in a secure place for at least 6 years and be made
available for inspection by VOSA officials. One of the following five
categories should be assigned to each job logged
•
•
•
•
•
Initial Calibrations (I)
Re-Calibrations (R)
2 year Checks (2)
Minor Repairs (M)
6 Year Checks (6)
DD55468 Rev 01
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Documentation – Official Register of Plaques Issued GV 212
DD55468 Rev 01
59
Documentation – Minor Work Procedure

Minor work applies only to vehicles that are submitted for repair with all
seals intact on an analogue Tachograph system. Should any seal be broken
then a full calibration and re-seal would be required

From July 2005 VOSA stated that replacement tachographs could not be
fitted as minor work. When fitting a replacement Tachograph the full
calibration procedure must be carried out

VOSA requires that a Tachograph record sheet must be completed for every
minor repair

VOSA requires that all Tachograph work carried out should be included on
the GV 212 form ‘Register of Tachograph Installation Plaques Issued’.
Approved Tachograph Centres must record Minor repairs on the GV 212
form, so that proper records are kept

It is a VOSA REQUIREMENT that procedures are fully understood and
complied with. The Tachograph Centres’ authorisation will be at risk if
their Technicians fail to make and keep these records
DD55468 Rev 01
60
Section 1.7
Using The 8400 Tachograph
DD55468 Rev 01
61
The 8400 Tachograph – Front View
Lock
Clock Tell-Tale
Speed Pointer
Clock
Chart Detect/
Over-speed
Warning Light
Odometer
Crew Duty Knob
Driver Duty Knob
DD55468 Rev 01
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The 8400 Tachograph – Rear View
Rear Connectors –
‘A’ – Voltage, White
‘B’ – Vehicle Speed, Yellow
‘C’ – Engine Speed, Red
‘D’ – Auxiliary Signals, Brown
DD55468 Rev 01
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The 8400 Tachograph – Other Tachographs, SVDO-Kienzle
1318 & 1319 and Motometer EGK-100
SVDO-Kienzle 1318
SVDO-Kienzle 1319
(Mercedes)
DD55468 Rev 01
Motometer EGK 100
(VOLVO)
64
The 8400 Tachograph – Chart Fitting
Crew Chart Fitting
Co-Driver’s Chart
Driver Chart Fitting
Driver’s Chart
Chart Separation Plate
DD55468 Rev 01
65
The 8400 Tachograph – Power Connections

An AMP mini timer plug, 2714-265 and terminal 2714-270, are used with
automotive insulated cable 1 mm2, to make up the appropriate power
loom for an 8400 Tachograph as shown. For an 8300 Tachograph, the
only difference would be that the Tachograph electronics are powered
separately via the A4 connection
A-CONNECTOR
2714-265
HOUSING NATURAL
AND
2714-270, TABS
LAMPS
IGNITION
DD55468 Rev 01
66
The 8400 Tachograph – Sender Connections

The connections for the standard yellow Amp mini-timer 4-wire
Tachograph sender input connector are as listed in the table below. Pins
5 to 8 are not connected to the sender. A full description of all 8400
Tachograph rear connections is included in Appendix A of the 8400 section
of the Training Manual
SOCKET B
VR 8 PULSE SENDER (4-wire)
Pin 1 Positive supply to sender
Black
Pin 2 Negative supply to sender
Brown or Red
Pin 3 Main channel input
Blue
Pin 4 Complimentary Input
White
Pin 5
-
Pin 6
-
Pin 7
-
Pin 8
DD55468 Rev 01
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The 8300 & 8400 Tachographs – ADR Goods Vehicles Fitment

Extra care must be taken when installing or repairing Tachographs on this
type of vehicle due to the dangers involved – a Technician must only work
on an ADR goods vehicle Tachograph system if they are ADR certified

The 8300 Tachograph was designed to be intrinsically safe and carries
BASEEFA approval for use in ADR goods vehicles when used in conjunction
with an 8300 barrier device – check that the [EExib] label is attached
before fitting an 8300 Tachograph

The 8400 Tachograph carries LCIE approval for use in ADR goods vehicles
when used in conjunction with an 8400 barrier device – again check the
[EEXib] label is attached before fitting an 8400 Tachograph

The 8300 and 8400 when used specifically with their own barrier device
have approval to the [EEx ib] IIB standard. This standard allows for
Tachograph fitment in vehicles carrying all flammable materials except
hydrogen, acetylene, carbon disulphide and ethyl nitrate
DD55468 Rev 01
68
The 8300 & 8400 Tachographs – ADR Goods Vehicles
Fitment

8300 and 8400 Tachographs MUST ONLY be fitted in an ADR Goods
Vehicle if they are fitted in conjunction with a 8300 or 8400 barrier device
respectively

An 8300 Tachograph must NEVER be used with an 8400 barrier device or
any competitor barrier devices

An 8400 Tachograph must NEVER be used with an 8300 barrier device or
any competitor barrier devices

When repairing a Tachograph/barrier system in an ADR Goods Vehicle, a
faulty part may only be replaced by an identical replacement part. If an
identical replacement part cannot be found, the whole Tachograph/barrier
system should be removed and replaced by an equivalent approved
Tachograph/barrier system
DD55468 Rev 01
69
The 8300 & 8400 Tachographs – Calibration Switches
8300 Bank1 DIL Switches
8400 Bank1 DIL Switches

The EU type approval numbers for the 8400 Tachograph are e11-20 for
125 km/h, e11-21 for 140 km/h and e11-24 for 180 km/h versions

The EU type approval numbers for the 8300 Tachograph are e11-18 for
125 km/h versions and e11-19 for 140 km/h versions
DD55468 Rev 01
70
The 8400 Tachograph – Checking the System Installation

It is a VOSA requirement to prove that the Tachograph installation is correct
by carrying out a Tachograph test after the installation into the vehicle

The procedure for testing a 8400 Tachograph that is installed in a vehicle is
as follows:
•
•
•
Switch off the vehicle ignition and check that the clock indicator is
turning
Switch on ignition, switch on the vehicle sidelights and check that the
Tachograph dial lights are illuminated
Drive the vehicle onto a rolling-road and accelerate the vehicle on
the rolling road rollers until the speed reading on the rolling road
console is 50 km/h. Hold the speed at 50 km/h and check that the
Tachograph displays a speed of 50 km/h ±4 km/h. Decelerate the
vehicle to a stop and check that the Tachograph speed returns to
zero. If a rolling-road is not available the vehicle must be road
tested to ensure the Tachograph responds to vehicle speed
changes
DD55468 Rev 01
71
Section 1.8
The Stoneridge MKII Tachograph
Programmer
DD55468 Rev 01
72
The MKII Programmer – Introduction and Overview
Socket C
Socket A
Socket B
LCD Display
2 x 16
Keypad
Socket D
Socket E
DD55468 Rev 01
73

Menu options are navigated using the ‘left/right’
arrow keys

‘Enter’ key is used to select options or to
terminate a parameter entry

‘Menu’ key is used to return to the main menu and
abort the current menu item

‘Send’ key is used to transmit parameters to any
connected Tachograph

‘Delete’ key allows the deletion of an entered
value

‘0..9’ keys are alpha-numeric for the entry of data
strings

‘ON/OFF’ key is used for turning unit on and off
DD55468 Rev 01
74

A MKII Tachograph Programmer can be used with all types of analogue
electronic Tachographs
• Stoneridge 1400, 8300, 8400 and 2400
• Siemens-VDO Kienzle 1314, 1318, 1319 and 1324
• MotoMeter EGK-100
DD55468 Rev 01
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The MKII Programmer – Software Version and Upgrading

The MKII Programmer software version is displayed each time the unit is
switched on. It can also be displayed via the Diagnostics Menu/ROM test.
The software version must be 2.0 or greater for use with Digital
Tachographs

A MKII Programmer’s software version can be upgraded using a PC
running a dedicated Stoneridge installation program which is available on
a Programmer specific Upgrade CD. The PC Serial Communications Port is
connected to the Programmer, Socket D above via a Field Download
Cable, Part Number: 7780-953
DD55468 Rev 01
76
The MKII Programmer – Programmer Functions

Listed below are the Functions available in the MKII programmer along with a
brief description of the function and to which Tachograph types the function
is applicable. Note: all Tachograph types if not specified

Tacho Select - this function allows the operator to specify the Tachograph
type that is to be calibrated or tested by the Programmer, as described above

Pulser Select - 8300, 1400, 2400 and 1314 only. This function allows the
operator to specify the pulser or sender type that is being used with the
current Tachograph, as described above

Rolling Road Test - this function is used to determine the vehicle W-factor
using a Hartridge or similar Rolling Road

Fixed Distance #1 Test - this function is used to determine the vehicle
W-factor using the Physical method 20m track

Fixed Distance #2 Test - this function is used to determine the vehicle
W-factor using the Physical method 20m track with a Flexi-Switch
DD55468 Rev 01
77

Bench Test - this semi-automatic function assists a Workshop Technician
when bench testing a Tachograph using a series of commands displayed on
the screen

Speed Simulator Test - this function injects speed pulses into a
Tachograph for the purpose of checking Tachograph speed indication, the
overspeed warning, the stylus positions on chart or the speed limiter
operation

RPM Pulse Test - 2400, 8400, 8300, 1318, EGK100, 4-stylus Tachographs
only. This function is used to determine the “Pulse Per Engine Rev” from
the “W” terminal on the alternator or a revs sender

Clock Test - this function checks the accuracy of a Tachograph clock. The
function is automatic for the 2400, EGK100, and 1324 but uses an optional
external clock-tester for all other analogue Tachographs
DD55468 Rev 01
78

Tacho Control – 8400, 2400 and 1324 only. This function is used to force
the Tachograph to enter either a “Self Test” or an “Extended Test” mode, to
Reset the Tachograph memory to the “Default state” or to pair a
Tachograph with a sender in the 2400 and 1324 only

Identify Tacho - 2400 and 1324 only. This function interrogates a
Tachograph via its K-line connection and determines the System supplier,
Manufacture date, Serial number, Hardware version, Software number,
Software version and System name

Read/Erase DTCs - 2400 and 1324 only. This function enables the
Diagnostic Trouble Codes (DTCs) stored in the Tachograph to be displayed
on the Programmer and then erased in the Tachograph if required
DD55468 Rev 01
79

Read all data / Modify data / Send all data – 2400, 1319, 1324 and
EGK100 only. These functions interrogate the Tachograph via the K-line or
serial data line. They allow a Workshop Technician to change various
Tachograph settings in the programmer and then re-program the
Tachograph with all the data set-up in the Programmer in a single operation

Program Tacho – 8400 only. This function can be used to select and
modify various settings such as “Ignition On Recording” and “Overspeed
Setting”

K-factor Test – 8400, 1319, 1318 and 1314 only. This function determines
the K-factor currently set on a Tachograph

DIL calculate - 8400, 8300, 1400 and 1318 only. This function eliminates
the need to look up DIL switch calibration tables
DD55468 Rev 01
80
Section 1.9
Using The MKII Programmer With
the 8400 Tachograph
DD55468 Rev 01
81
Using the MKII with 8400 – Clock Test

A Tachograph clock test can be carried out on circular Tachographs such as
the 8400 using an independent clock tester as shown. The tester must be
connected to the programmer socket C only. There is no direct connection to
the Tachograph

Initially set both the Tachograph duty knobs to Rest. Ensure that the
Tachograph is powered with speed pointer at rest. When the clock test starts,
hold the adapter against the Tachograph face. For the correct location, a
regular clicking sound will be heard. Please note that the correct location is
not necessarily near the clock face, as the Tester detects the clock motor. If
the duty knobs are not at Rest or the speed pointer not at zero, the Tester
may detect the chart motor instead of the clock motor. Also, the Tester must
not be within 12 inches of a mains transformer
DD55468 Rev 01
82
Using the MKII with 8400 – Clock Test
From the MAIN MENU select CLOCK VR8400 MAIN MENU
TEST using the ← and → keys. Hold the :CLOCK TEST
clock-tester at the correct location on the
Tachograph face (as described above).
Press ENTER to start the test.
The Programmer will display the message Testing clock
Testing clock, and will make a regular
clicking sound.
After a short time the clock accuracy in Clock Accuracy
seconds per day will be displayed.
+0.2s/day
In the case of loss of signal or inconsistent ERROR! No signal
signal from the Tachograph (usually
caused by movement of the clock-tester
away from the clock motor), the
Programmer will display an error message.
DD55468 Rev 01
83
Using the MKII with 8400 – Bench Test

Before installation and during recalibration it is a Legal requirement to carry
out a Tachograph bench test with the Tachograph removed from the vehicle.
This requires the unit to be run at different speeds for different periods of
time and with different driver duty modes selected

The Tachograph Programmer provides a test signal simulating the pulser
output which gives the required speed outputs for the required times. The
only operator intervention is then to set the duty switches at the appropriate
times as indicated by the Programmer. The Programmer is connected to the
8400 using a Tachograph drive lead, 7780-981 similar to that shown below
DD55468 Rev 01
84

Before performing the Bench Test it must be ensured that the UK Bench
Test is selected via Diagnostics menu. We recommend prior to Bench
Testing the Clock Test should be performed on the Tachograph
From the MAIN MENU select BENCH TEST
using the ← and → keys, and press ENTER.
VR8400 MAINMENU
:BENCH TEST
Select the Tachograph scale (125, 140 or
180 km/h) using the ← and → keys, and
press ENTER.
Select the scale
: 125 km/h ← →
Set the Tachograph to a K-factor of 8000
(remember to note the original setting first).
Press ENTER.
Select K-factor
:8000 Pul/km?
Check DIL switches 2,3 & 9 are ON with
others OFF.
Check tacho
settings
Check the Tachograph drive cable
connection is made.
Connect drive
lead to tacho
DD55468 Rev 01
85
Set power supply voltage to the correct level for
the Tachograph (12V or 24V)
Switch on at
correct voltage
Make sure clock tell-tale is moving.
Check clock is
Stepping OK
Check both bulbs are lit.
Check bulbs are
illuminated
The clock time should be adjusted if necessary.
Check clock for
accuracy
Perform the task displayed. Press ENTER on
completion.
Note: For dual driver Tachographs, 2 charts
have to be inserted. For a single driver, only
1 chart has to be inserted.
Prepare and
insert 2 charts
completion.
Close the
tachograph
DD55468 Rev 01
86
Set the driver and crew duty to active (4). Press
ENTER on completion.
Driver=Active
Crew=Active
The speed will now be maximum speed for the
selected scale for 10 seconds and the time will
count down to zero and then an audible beep
will be heard.
Speed: 125 km/h
Time: 10 s
The speed displayed will then go to 0km/h for
10 seconds (the time will count down to zero)
and an audible beep will be heard again.
Speed: 0 km/h
Time: 10 s
Make sure the FSD speed marking on the chart
is within 5 minutes of the Tachograph time.
Check clock
to chart time
completion.
Close the
tachograph
Note the current odometer reading on the
Tachograph. This will be required later to check
the accuracy of the odometer. Press ENTER.
Note odometer
reading
DD55468 Rev 01
87
The speed will now go to 40km/h and will be
held for 2½ minutes (the time will count down to
zero). At the end of the 2½ minute test there
will be an audible beep.
Speed: 40 km/h
Time: 150s
The speed will then go up to 80 km/h. After a
further 2½ minutes (the time will count down to
zero) there will again be an audible beep
indicating the end of that test.
Speed: 80 km/h
Time: 150s
The speed will move up to 100 km/h for a
further 3 minutes (the time will count down to
zero). At the end of the time there will be a
further beep and the speed will return to zero.
Speed: 100 km/h
Time: 180s
Set the driver and crew duty to active (4). Press
Driver=Active
Crew=Active
The unit will record Active (4) duty for 2 minutes Recording duty
(the time will count down to zero). After that
Time: 120 s
time an audible beep will be heard.
DD55468 Rev 01
88
Set the driver and crew duty to passive (1).
Press ENTER on completion.
Driver=Passive
Crew=Passive
The unit will record Passive (1) duty for 2
Recording duty
minutes (the time will count down to zero). After Time: 120 s
that time an audible beep will be heard.
Set the driver and crew duty to rest (2). Press
Driver=Rest
Crew=Rest
The unit will record Rest (2) duty for 2 minutes
(the time will count down to zero). After that
time an audible beep will be heard.
Recording duty
Time: 120 s
Compare the new odometer reading with that
noted above - a difference of 10km is expected.
Check odometer
added 10 km
DD55468 Rev 01
89

Note: carry out ‘sender disconnect’ and ‘power interrupt’ tests to
complete the bench test
Remove the two charts and check the traces
recorded (speed, duty and distance on driver
chart and duty only on crew chart). Press
ENTER.
Check chart
recordings
The DIL switches must be returned to the
correct settings for the vehicle in which the
Tachograph is to be fitted.
Set K-exact
for vehicle
Switch off the power to the Tachograph and
disconnect the power cable.
SWITCH OFF
POWER SUPPLY
Press the ENTER key to complete the test and
return to the MAIN MENU.
VR8400 MAIN MENU
:BENCH TEST
DD55468 Rev 01
90
Using the MKII with 8400 – K-factor Test

This provides a simple way of determining the Kfactor currently set on the Tachograph

The programmer is connected to the 8400 using a
Jack-socket cable and a crocodile clip to the vehicle
earth connection. The method of the test is as shown
From the MAIN MENU select K-FACTOR VR8400 MAIN MENU
:K-FACTOR TEST
TEST using the ← and → keys.
Press ENTER. The programmer will send test Sending Pulses
pulses to the Tachograph.
Please wait
After a few moments the Programmer will Sending pulses
beep, and then display the K-factor setting of K=8000 < >
the Tachograph. If the K-factor is different
from the previous test, then the Programmer
will beep and display “<>“.
DD55468 Rev 01
91
Using the MKII with 8400 – K-factor Test
Step 3 will then repeat until the MENU or
Sending pulses
K = 8000
ENTER button is pressed. Three repetitions
are recommended. If a significantly different Kfactor (>10 pulses/km difference) is displayed,
this usually indicates a cable fault or bad
connection. It may also be due to a faulty
Tachograph.
Note: In the case of the message ERROR!
CHECK CONNECTIONS being displayed,
ensure that the ground connection is made
correctly. Otherwise check the other
connections.
ERROR! CHECK
CONNECTIONS
DD55468 Rev 01
92
Using the MKII with 8400 – Programming the Tachograph

The MKII Programmer supports programming of 8400, 2400, 1319, 1324
and EGK-100 analogue Tachographs

It should be noted that in all cases that, once settings have been altered, the
SEND ALL DATA command may be used to transfer all the information at the
end. It is however possible, to send each individual setting after alteration
by pressing the SEND key, although not with the 1319 and EGK-100

Care must be taken when using SEND ALL DATA that no parameters are
accidentally overwritten with a wrong value which in extreme cases may
cause the vehicle to malfunction. Using the SEND key to individually
transmit parameters is more time consuming but is much safer in terms of
accidentally overwriting a Tachograph parameter with a wrong value

The programmer is again connected to the 8400 using a Jack-socket cable
and a crocodile clip to the vehicle earth connection. The method of the test
is as follows
DD55468 Rev 01
93
Using the MKII with 8400 – Programming the Tachograph
From the Main Menu select PROGRAM VR8400 MAIN MENU
TACHO and press ENTER
: PROGRAM TACHO
Ign On Record
Ignition On Record - Press ENTER and ←
→ will appear on the display. Use the ← or → :OFF
keys to select ON or OFF and press ENTER
to terminate the selection.
Overspeed - Press ENTER and a cursor will Overspeed
flash. Key in the required overspeed value :80 km/h
and terminate the entry by pressing ENTER.
Select SEND ALL DATA from the MAIN
MENU and press ENTER.
VR8400 MAIN MENU
:SEND ALL DATA
DD55468 Rev 01
94
Using the MKII with 8400 – Practical Exam

Carry out the 8400 practical exam as instructed
DD55468 Rev 01
95
DD55468 Rev 01
96
Section 1.10
Using the 2400 Tachograph
DD55468 Rev 01
97
The 2400 Tachograph – Introduction
2400
Tachograph
CANbus, Kline or D6
Instrument
Cluster
DD55468 Rev 01
98

The 2400 Tachograph was introduced in 1999 and displays and records
speed and distance in km/h and km and driver activity as per regulation
3821/85. The 2400 Tachograph is available as 12 and 24 Volt versions

The chart drawer is held in the locked closed position whilst a vehicle is
moving. This can only be opened, in order to facilitate access for inserting
or removing charts, with the vehicle stationary and ignition on

The 2400 Tachograph can be used by two drivers, and thus two sets of
driver-specific controls are provided adjacent to the display. These
comprise a duty push-button and three LEDs that indicate non-driving
activity. Three further push-buttons are provided: the left-hand control is a
Mode Change push-button, the centre control is an Advance push-button
and the right-hand control is an Eject push-button

2400 Tachographs use pear-hole charts
DD55468 Rev 01
99

All 2400 Tachographs are designed to perform the basic requirements of EC
regulation, 3821/85, but also meet the regulations for power disconnect
and gearbox sender failure as per amendments 3314/90, 3688/92 and
2479/95. The differences in operation due to these amendments are
•
The Tachograph will record a full scale deflection on the chart after
a power interrupt
•
During a ‘sender disconnect’ condition the Tachograph speed
indicator will indicate, and a chart record will be made of a 0 to 30
km/h sweep every few seconds

The EU type approval numbers for the 2400 are e11-27 for 125 km/h, e1126 for 140 km/h and e11-25 for 180 km/h 2400 versions respectively

A 2400 must receive a speed signal from a electronic gearbox sender. 2400
Tachographs are programmable to accept signals from 3-wire, 4-wire,
magnetic and also from encrypted Kitas1 senders
DD55468 Rev 01
100

The calibration of a 2400 Tachograph is achieved using a MKII programmer.
A large K-factor range of 500-64255 pulses/km is achievable

The duty LEDs are also used to indicate the presence of error conditions such
as a missing chart

A battery-backed Real-time clock is used to ensure the correct time is
permanently available. Note: not all versions

Diagnostic Trouble codes can be displayed and are stored in the non-volatile
memory

OEM specific CANBus versions are available for different vehicle manufacturer
types

Can be set-up to have a dedicated speedometer output for vehicles fitted
with a separate electronic speedometer

2400 are NOT approved for use in ADR goods vehicles
DD55468 Rev 01
101
The 2400 Tachograph – Front View ‘With-Display’ Version
Driver
Duty
LEDs
Mode
Change
Button
Advance
Button
Drawer
Eject
Button
DD55468 Rev 01
Crew
Duty
LEDs
102
The 2400 Tachograph – Rear View
D
C
B
A
Rear Connectors –
‘C’ – Engine Speed, Red
‘A’ – Voltage, White
‘D’ – Auxiliary Signals, Brown
‘B’ – Vehicle Speed, Yellow
DD55468 Rev 01
103
Siemens VDO-Kienzle 1324
DD55468 Rev 01
104
The 2400 Tachograph – Driver-Duty Buttons

Two push buttons are provided for the current driver and the co-driver or
crew, for initiating a period of recorded duty. The current driver is allocated
the left hand ‘1’ button, while the crew is allocated the right hand ‘2’ button

The mode of duty for the Driver or the Crew is selected by the appropriate
Duty push-button and displayed by LEDs immediately below. In order to
change a mode of activity the Driver or Crew member will press their
respective Duty push-button a number of times, until the LED indicating the
required mode of duty is illuminated

The 2400 is fully automatic. This means that the driver duty status
automatically reverts to Drive whenever a vehicle moves, reflected by a Drive
trace on the Driver 1 Chart, although the LED’s will continue to reflect the
most recently selected mode for Driver 1. Similarly for the Crew, if the 2400
Tachograph ‘Crew Auto-Duty’ parameter is enabled, when a vehicle moves
the Crew duty status recorded will automatically change from rest to
available (1). This parameter can be enabled using a MKII
programmer
DD55468 Rev 01
105
The 2400 Tachographs – Mode Change & Advance Push
Buttons

The Mode Change push-button, which is identified by a
circular white dot ●, is used to select whether the
display indicates the odometer reading or the odometer
trip reading, and to adjust the time

If a 2400 Tachograph has been configured to display
engine Revs in RPM, then the mode change pushbutton will select between RPM, Odometer and Trip
distance

The Advance push-button, which is identified by a
white plus sign +, is used to reset the trip value to zero
– press and hold for 3 seconds in trip-mode, and to
alter individual field settings of the time and date
DD55468 Rev 01
106
The 2400 Tachograph – Eject Push Button

The Eject push-button, which is identified by the white
legend ▲, is pressed to open the drawer. When the Eject
push-button is pressed, a 3 mm radial line is drawn on the
Driver chart between the Duty and Distance traces to
record that the drawer is being opened, then the styli are
withdrawn from the charts

While the styli are retracting, the LED mode changes to the
automatic sequence indicating that the Tachograph is
carrying out internal functions, in this case stylus
retraction. Once the styli are fully retracted, the LED mode
reverts back to the flashing sequence, indicating that the
drawer can now be opened by the operator by pushing the
drawer at the oval emboss next to the eject button
DD55468 Rev 01
107
The 2400 Tachograph – Display Modes

When the drawer is closed, two display modes are normally available by
pressing the Mode change button (●)
NORMAL MODE
TRIP MODE

The upper right hand area of the display alternatively indicates
• the odometer – the total cumulative distance travelled in km
• the trip reading – the total distance travelled, in km, since the trip
figure was last reset, up to a maximum of 9999.9km. Note: the trip
distance is prefixed with the letters ‘Tr’

The lower right hand display area indicates the time in 24-hour clock format,
with a colon separating hours and minutes. The colon flashes when the
correct chart time has been found and indicates chart recording has started

The left-hand side shows the speed of the vehicle in km/h
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The 2400 Tachograph – Adjusting the Time

The time setting actions for a 2400 Tachograph is dependant on whether
or not the unit has an internal battery-backed real-time clock, RTC, fitted

For units with an RTC fitted, the master time and date for the Tachograph
can only be set using a MKII Tachograph programmer, as described in the
next section. The user controls can only be used to set a local time which
is based on an offset value applied to the master RTC time

For units without an RTC fitted, the master time and date and the local
time are always the same and they can be set using either a MKII
programmer or by using the user controls on the front of the Tachograph

Setting the clock with the user controls is described in the 2400 section of
the reference Training Manuals
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The Tachograph drawer must be opened by pressing the Eject push-button

It is not possible to open the drawer when the vehicle is in motion or when
the vehicle ignition is off, or if the power to the Tachograph is removed

The LEDs will illuminate in turn, as described previously

Push the front of the drawer in the position shown – this will cause the drawer
to unlatch and spring forward to the partly open position

DO NOT press on the display
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The drawer can now be carefully pulled out to its fully extended position,
as shown. The chart table, upon which the chart locates, is now exposed
to facilitate easy insertion of the chart
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The 2400 Tachograph – Chart Fitting – Co-driver

Rotate the chart table so that the thin end of the pear shaped drive
spindle on the table is facing 12 o’clock

With the face of the chart uppermost, insert the edge of the chart
through the transverse slot between the front and rear chart platens,
as shown. Then carefully locate the chart over the pear-shaped
drive spindle such that the thin end of the pear-shaped hole in the
centre of the chart is located first
Fit crew chart
under chart
table plate
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The 2400 Tachograph – Chart Fitting – Driver

Again rotate the chart table so that the thin end of the pear shaped drive
spindle on the table is facing 12 o’clock

With the face of the chart uppermost, insert the edge of the chart such
that its edge locates under the two location fingers at the rear of the chart
table, as shown. Carefully locate the chart over the pear-shaped drive
spindle such that the thin end of the pear-shaped hole in the centre of the
chart is located first – make sure the chart is located over the pips on the
spindle
Fit driver chart
under location
fingers
Locate chart
over pips
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After the charts are inserted, close the drawer by pushing it forward only
in the position as shown above until it is mechanically latched

For single driver operation no crew chart should be fitted into a 2400
Tachograph

The Tachograph will then carry out internal procedures to align the
charts to correspond with the correct time and to deploy the styli

These procedures, which are automatic operations, are usually
completed after a short time, typically 40 seconds, but may take up to
90 seconds in some cases. The Tachograph will only start recording
when the colon in the clock begins flashing
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The 2400 Tachograph – Chart Recording in Stationary Vehicle
with Ignition Off

When a vehicle is stationary with ignition off, the stylus movement is
minimised, thus reducing the overall acoustic output of the 2400. This is
known as the quiet running mode

If the following conditions are present
• Driver duty (and if appropriate, crew duty) set to rest
• Zero speed
• Ignition off
• Fourth trace OFF (i.e. no events and/or zero engine speed)

Then the speed rack will remain positioned at the zero speed mark. The
duty rack will position itself in the duty rest position. The chart table will
continue to rotate and this will cause a zero km/h speed trace and a driver
duty rest trace to be drawn but NO distance trace will be recorded as
shown below
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The 2400 Tachograph – Chart Recording in Stationary Vehicle
with Ignition Off
Duty trace
remains in
‘Rest’ position
No distance
trace recorded
Speed trace
remains at
0 km/h mark

If the vehicle moves, or the ignition is switched on, or the drawer is
ejected, then the speed, duty and distance traces will revert to being
recorded in the usual manner
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The 2400 Tachograph – Installation - Power Connections

An AMP mini timer plug, 2714-265 and terminals, 2714-270 are used with
automotive insulated cable 1 mm2 to make up the appropriate power loom
for an 2400 Tachograph as shown
A-CONNECTOR
2714-265
HOUSING NATURAL
AND
2714-270, TABS
LAMPS
IGNITION
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The 2400 Tachograph – Installation - Sender Connections

The connections for a standard 4-wire Tachograph sender input connector
are as listed in the table below. Pins 5 to 8 are not connected to the
sender, but are used for output signals as described. A full description of
all 2400 Tachograph rear connections is included as Appendix A of the
2400 section of the reference Training Manuals
Socket B
Function
Pin 1
Positive supply to sender
Pin 2
Negative supply to sender
Pin 3
Main channel input
Pin 4
Encrypted or Complimentary Input
Pin 5
Dual-axle setting
Pin 6
V-pulse – customer specified
Pin 7
V-pulse – ISO
Pin 8
4-pulses per metre
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The 2400 Tachograph – Removing the Tachograph

The 2400 Tachograph may be removed with the drawer open or closed.
With the drawer closed, four small holes can be seen at the sides of the
plastic front fascia, as shown. To remove the unit, a pair of Tachograph
extraction tools, 6350-023, should be inserted into the two pairs of holes,
with the tools perpendicular to the Tachograph. Once pushed in, both
extraction tools should be pushed out sideways and then pulled at the
same time. The tools will grip the unit and enable it to be pulled out
Four
Removal
Holes
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The 2400 Tachograph – Opening the Drawer Whilst
Disconnected

In the event of a power disconnection or failure the 2400 drawer may only
be opened - to access charts - after removing the unit from the dashboard
to gain access to the release mechanism at the rear of the Tachograph

At the rear of a 2400 as shown, there is a small hole. If a Drawer-Eject
tool (6450-131) is inserted and light pressure is applied to the fascia, the
drawer will unlock and spring out. This method must only be used when
there is no power present. Opening the drawer using this method,
when the unit is powered, will result in damage to the
Tachograph
Drawer Release Hole
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The 2400 Tachograph – Checking the System Installation

It is a VOSA requirement to prove that the Tachograph installation is correct
by carrying out a Tachograph test after the installation into the vehicle

The procedure for testing a 2400 Tachograph that is installed in a vehicle is
as follows:
•
Switch on ignition, switch on the vehicle sidelights and check that the
Tachograph display lights change from bright to dim and that the
duty LEDs are on and that all driver duties can be selected
•
Drive the vehicle onto a rolling-road and accelerate the vehicle on
the rolling road rollers until the speed reading on the rolling road
console is 50 km/h. Hold the speed at 50 km/h and check that the
2400 displays a speed of 50 km/h ±4 km/h. Decelerate the vehicle
to a stop and check that the 2400 speed returns to zero. If a rollingroad is not available the vehicle must be road tested to ensure the
2400 responds to vehicle speed changes
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The 2400 Tachograph – Input and Output Signals –
Communication Interfaces - CANbus

CAN – Controller Area Network – a versatile vehicle communications
system. It functions as an interface between the Tachograph and the
vehicle instrument cluster. The CANbus capability of the 2400 must be
disabled using the MKII Programmer when no CANbus is present in the
vehicle

CANbus types supported by the 2400 are

• Daimler-Chrysler
Renault
• MAN
Volvo
• DAF
Iveco
• Scania
ISO
Typical parameters that can be transmitted through the CANbus network
include:
• Speed, Time, Driver Duty, Distance Travelled
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The 2400 Tachograph – Input and Output Signals

Events Inputs - These inputs are used to record events on the
Tachograph chart and respond to signal levels in excess of 4V
• Rear Connector Pin D1 is used for the Event 1 Input
• Rear Connector Pin D2 is used for the Event 2 Input

Engine Revs Input
The Revs 1 input signal is monitored by the processor and is used to
determine engine speed. The input line is normally connected to the Wterminal of the alternator

The Revs 2 input signal is monitored by the processor and is used to
determine engine speed

Engine speed can be measured by monitoring either the signal from revs
sender, rear connector Pin C4, or from the W-terminal of the alternator rear
connector Pin C3
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V-Pulse Output - The V-Pulse output is a positive going signal that is
triggered by each pulse from the speed/distance sender
•
•

4-Pulses per Metre Output - The 4-PPM output is a string of positive
pulses generated at a rate where 4 pulses correspond to one metre
•

Rear Connector Pin B7 is used for the standard ISO V-Pulse Output
Signal
Pin B6 can be used as an alternative customer variant V-Pulse signal
available in ISO or Open Collector formats
Rear Connector Pin B8 is used for the 4-Pulses Per Metre signal
Overspeed Output - The Overspeed Output is active when an overspeed
condition is detected
•
Rear Connector Pin D5 is used for the Overspeed signal
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Speedometer Output - The Speedometer output signal is a rectangular
output waveform that is used to drive the vehicles’ speedometer so that it
displays the correct speed. A speedometer output calibration factor must
be programmed into the Tachograph in order for the correct speed to be
displayed
•

Rear Connector Pin D6 is used for the speedometer output signal,
and it should be noted that for some 2400 customer types, this
output would have been factory initialised as an open-collector
output as opposed to the standard ISO configuration
General Warning Output - The General Warning Output allows options
for Low-Speed, DTC Warnings or Chart Change Warnings, or the output
may be disabled
•
Rear Connector Pin D4 is used for the General Warning
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Section 1.11
Using the MKII Programmer With
the 2400 Tachograph
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The MKII Programmer – Tachograph Type Selection

Before using the Programmer, the model of
Tachograph to be interfaced with must be selected
from the Main Menu. When the Programmer is
switched on the first item displayed on the ‘MAIN
MENU’ is ‘TACHO SELECT’. From elsewhere in the
‘MAIN MENU’ press the ← or → keys until ‘TACHO
SELECT’ is displayed
Press ENTER and the ‘TACHO TYPE’ menu will be
displayed. Press ENTER again and then use the
← or → keys to select the appropriate Tachograph
type i.e. Stoneridge VR2400. Press ENTER to
make the selection and then MENU to return to
the MAIN MENU
VR2400 MAIN MENU
:TACHO SELECT
TACHO TYPE
:2400 Series
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The MKII Programmer – Sender Selection 2400

For 2400 series Tachographs, the sender type
must be selected

With the Programmer at the VR2400 MAIN MENU
and displaying ‘PULSER SELECT’, connect a Cable
U between the Programmers’ Socket ‘C’ and the
2400 Tachograph 6-way D-shaped socket and
then press ENTER

Note: Use the ← or → keys to scroll through the options until the
preferred sender type is displayed. Press ENTER and again to confirm the
selection

The four choices available for sender Type are
VR2400 MAIN MENU
:PULSER SELECT
SENDER TYPE
:Encrypted ← →
• Encrypted, 4-wire, 3-wire, Magnetic
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Using the MKII with the 2400 – Interfacing the MKII to the
Tachograph

Interfacing of the MKII Programmer to a 2400 Tachograph is done via the
MKII 8-pin DIN connector and the 2400 6-way front calibration connector

Both connectors are keyed so that wrongly inserting them is not possible

The 2400 6-way connector is exposed by first opening the drawer and
removing the sealed programming socket cover-clip as shown below

For most tests, the programmer is connected to the 2400 using a 2400
calibration/programming cable, part number 7780-936, as shown
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Using the MKII with the 2400 – Interfacing the MKII to the
Tachograph
Insert DIN Connector into MKII
Programmer 8-Way DIN Socket
2400 6-way Programming Socket
with sealed cover-clip removed
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Using the MKII with the 2400 – Clock Test

A Tachograph clock test can be carried out on 2400 Tachograph using a
direct MKII-Tachograph connection via 2400 calibration cable, 7780-936
From the MAIN MENU select CLOCK TEST VR2400 MAIN MENU
using the ← and → keys. Press ENTER to :CLOCK TEST
start the test.
The Programmer will display the message Testing clock
‘Sending Data’ then ‘Testing Clock’ as shown
After a short time the clock accuracy in Clock Accuracy
seconds per day will be displayed.
+0.2s/day
In the case of a lack of signal from the ERROR! No signal
Tachograph (caused usually by a faulty
cable connection to the Tachograph) the
programmer will display an error message.
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Using the MKII with the 2400 – Bench Test

Before installation and during recalibration it is a Legal requirement to carry
out a Tachograph bench test with the Tachograph removed from the vehicle.
This requires the unit to be run at different speeds for different periods of
time and with different driver duty modes selected

The Tachograph Programmer provides a test signal simulating the pulser
output which gives the required speed outputs for the required times. The
only operator intervention is then to set the duty modes at the appropriate
times as indicated by the Programmer. The programmer is connected to the
2400 using a Tachograph drive lead, 7780-981 similar to that shown below
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Before performing the Bench Test it must be ensured that the UK Bench
Test is selected via the Diagnostics menu. We recommend the Clock Test is
performed on the Tachograph prior to Bench Testing
From the MAIN MENU select BENCH
TEST using the ← and → keys, and
press ENTER.
VR2400 MAINMENU
:BENCH TEST
Select the Tachograph scale (125, 140 or
180 km/h) using the ← and → keys, and
press ENTER.
Select the scale
: 125 km/h ← →
Set the Tachograph to a K-factor of 8000
(remember to note the original setting
first). Press ENTER.
Note: for a 2400 it is easier to read in the
current K-factor value prior to the bench
test and then use this value.
Select K-factor
:8000 Pul/km?
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Select whether the change of driver Duty is
to be automatically or manually changed.
Press Enter to accept current settings or
the ← and → keys to change.
Auto Duty
:Off
←→
Make sure the 2400 LCD display backlight
is illuminated.
Note: this task should be ignored for a ‘Nodisplay’ version of the 2400.
Check backlight
illuminated
Perform the task displayed. Press ENTER
on completion.
Note: For dual driver Tachographs, 2
charts have to be inserted. For a single
driver, only 1 chart has to be inserted.
Prepare and
insert 2 charts
Set the driver and crew duty to active (4).
Driver=Active
Crew=Active
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The speed will now be maximum speed for
the selected scale for 10 seconds and the
time will count down to zero and then an
audible beep will be heard.
Speed: 125 km/h
Time: 10 s
The speed displayed will then go to 0km/h
for 10 seconds (the time will count down to
zero) and an audible beep will be heard
again.
Speed: 0 km/h
Time: 10 s
Note the current odometer reading on the
Tachograph. This will be required later to
check the accuracy of the odometer. Press
ENTER.
Note odometer
reading
The speed will now go to 40km/h and will
be held for 2½ minutes (the time will count
down to zero). At the end of the 2½ minute
test there will be an audible beep.
Speed: 40 km/h
Time: 150s
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The speed will then go up to 80 km/h. After
a further 2½ minutes (the time will count
down to zero) there will again be an audible
beep indicating the end of that test.
Speed: 80 km/h
Time: 150s
The speed will move up to 100 km/h for a
further 3 minutes (the time will count down
to zero). At the end of the time there will be
a further beep and the speed will return to
zero.
Speed: 100 km/h
Time: 180s
Set the driver and crew duty to active (4).
Driver=Active
Crew=Active
The unit will record Active (4) duty for 2
minutes (the time will count down to zero).
After that time an audible beep will be
heard.
Recording duty
Time: 120 s
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Set the driver and crew duty to passive (1).
Driver=Passive
Crew=Passive
The unit will record Passive (1) duty for 2
heard.
Recording duty
Time: 120 s
Set the driver and crew duty to rest (2).
Driver=Rest
Crew=Rest
The unit will record Rest (2) duty for 2
heard.
Recording duty
Time: 120 s
Compare the new odometer reading with
that noted above - a difference of 10km is
expected.
Check odometer
added 10 km
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Note: carry out ‘sender disconnect’ and ‘power interrupt’ tests to complete
the bench test – do not open the 2400 drawer until the clock colon is
flashing to indicate the Tachograph is recording
Open the 2400 Tachograph and check that
the time on the chart corresponds with the
time indicated on the clock. Press ENTER
on completion.
Check clock
to chart time
Remove the chart(s) and check the traces
Check chart rec.
have been completed satisfactorily – speed, Set K for veh.
duty & distance traces on driver chart and
duty trace on crew chart (if fitted). Press
Press the ENTER key to complete the test
and return to the MAIN MENU.
VR2400 MAIN MENU
:BENCH TEST
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Using the MKII with the 2400 – Control Menu Functions

For a 2400 Tachograph, this menu can be used to reset the Tachograph or
to pair the Tachograph with a KITAS1 encrypted sender

The programmer is connected to the 2400 using a 2400 Calibration cable,
7780-936. The method of the test is as shown
From the MAIN MENU select ‘TACHO VR2400 MAIN MENU
CONTROL’ using the ← or → keys, and :TACHO CONTROL
press ENTER.
From the CONTROL MENU make the
CONTROL MENU
required selection - using the ← or → keys : Pair sender
to select Reset tacho or Pair sender.
Press ENTER to confirm the selection.
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Using the MKII with the 2400 – Control Menu Functions
In the case of ‘Reset tacho’, the
programmer will cause the Tachograph to
simulate a Power Off/On Condition.
CONTROL MENU
: Reset tacho
In the case of ‘Pair sender’, press ENTER
and the sender will pair automatically
within 60 seconds.
Sending data
Data transfer OK
Note: When paired to an encrypted sender,
the 2400 Tachograph recognises only that
sender. The signal from the sender
becomes unique to that Tachograph.
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Using the MKII with the 2400 – Programming the Tachograph

The programmer is connected to the 2400 using a 2400 Calibration/
Programming cable, 7780-936. The method of the test is as shown below

It should be noted that in all cases, once settings have been altered, the
SEND ALL DATA command can be used to transfer all the information at
the end. It is, however, possible to send each individual setting after
alteration by pressing the SEND key

Care must be taken when using SEND ALL DATA that no parameters are
accidentally overwritten with a wrong value which in extreme cases may
cause a vehicle to malfunction. Using the SEND key to individually transmit
parameters is more time consuming but is much safer in terms of
accidentally overwriting a Tachograph parameter with a wrong value
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Using the MKII with the 2400 – Programming the Tachograph,
Reading Parameters

All interaction between a MKII Programmer and a 2400 Tachograph is
controlled by the MKII Programmer

Initially the parameters must be read from the 2400 Tachograph and a copy
transferred to the Programmer. The MKII ‘READ ALL DATA’ 2400 Main menu
option is used to do this

The Programmer menu screens should be scrolled through using the ‘Left’
and ‘Right’ arrow buttons until the ‘READ ALL DATA’ option is shown
2400 MAIN MENU
:READ ALL DATA
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Reading and Modifying Parameters

Press the Programmer ‘ENTER’ button to initiate the parameter data transfer
from the 2400 Tachograph to the MKII Programmer. The Programmer will
display the message shown while the data is being transferred and then a
second message as shown once the parameter transfer is completed
Reading data
Data transfer OK
........

Once the VU parameters have been ‘read’ into the Programmer they can
then be modified individually
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Modifying and Sending Individual Parameters

The 2400 parameters can be modified using the Programmer ‘MODIFY DATA’
Main menu option. A full list of the ‘read’ parameters that can be modified is
given below
2400 MAIN MENU
:MODIFY DATA

Once a parameter has been modified the new value can then be ‘sent’
back to the 2400. The Programmer ‘SEND’ key can be used to transmit
individual parameters. The display will be as shown
Sending Data
Sending Data
Data transfer OK
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Sending All Parameters & Checking Updated Parameters

The successful transmission of the parameters can be confirmed by
‘reading’ back the parameters from the Tachograph as described
previously and then using the ‘modify’ function to check the new values
have been programmed correctly
2400 MAIN MENU
:READ ALL DATA
2400 MAIN MENU
:MODIFY DATA
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Parameters that can be Modified

2400 Parameters which may be Programmed are:

K-Factor
Odometer reading
Pulses per engine Rev
Engine Speed Recording
CANBus RPM
RPM Display
Odo leading 0s
Overspeed flash
DTCs enabled
Overspeed
Current time

Current Date
Time Offset
Output shaft factor
4th chart trace
CANBus enabled
Customer type
Dual axle
Dual axle ratio
Speedo OP factor
D6 pin function
Serial comms
DD55468 Rev 01

Ign On Record
Crew Auto Duty
7 day eject PIN
VIN
Service Delay
Install date
Reset Heartbeat
Analogue Revs
Pin D4 Function
Low Speed Limit
Kline Speedo
146

K-factor – Press ‘ENTER’ and key in the new value. Press ‘ENTER’ again to
confirm the value
K-factor
:8000

Odometer – Press ‘ENTER’ and key in the new value. The last digit input is
tenths, thus an odometer reading of 100.0 km should be input as 1000.
Press ‘ENTER’ again to confirm the new value. Note: the value can be
programmed above 1000 km ONLY ONCE
Odometer
:000548.7
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CANBus RPM – Press ENTER and use the ← and → keys to select ON or
OFF. Press ENTER to confirm the selection
CANBus RPM
:Off

←→
RPM Display – Press ENTER and use the ← and → keys to select ON or
RPM display
:Off
←→
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Odo Leading Zeros – Press ENTER and use the ← and → keys to select ON
or OFF. Press ENTER to confirm the selection
Odo leading 0s
:Off

←→
Overspeed flash – Press ENTER and use the ← and → keys to select ON or
Overspeed flash
:Off
←→
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DTCs Enabled – Press ENTER and use the ← and → keys to select ON or
OFF to enable or disable DTC display. Press ENTER to confirm the selection
Note: DTC recording in not affected by this parameter
DTCs enabled
:Off

←→
Overspeed – Press ENTER and a cursor will flash. Key in the required over
speed value and press ENTER
Overspeed
:90 km/h
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Current time – Press ENTER and a cursor will flash. Key in the current time
and press ENTER. The time can also be set via the keys on the fascia of the
2400 Tachograph for non-RTC units
Current time
:10:35

Current date – Press ENTER and a cursor will flash. Key in the current date
and press ENTER. The date can also be set via the keys on the fascia of the
2400 Tachograph for non-RTC units
Current date
:05/06/2007
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Time offset – Press ENTER and use the up/down arrow keys to choose a
time offset between +23:00 and –23:00 hours
Time offset
:+1:00

Output shaft factor – This value should not be changed from the vehicle
factory set value
O/P shaft factor
:8.140
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4th Chart Trace – Press ENTER and use the ← and → keys to select ON or
4th chart trace
:Off

←→
CANBus enabled – Press ENTER and use the ← and → keys to select ON
CANBus enabled
:Off
←→
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Speedo output factor – Press ENTER and a cursor will flash. Key in the
required value and press ENTER to confirm the selection
Speedo OP factor
:4971

D6 pin function – Press ENTER and use the ← and → keys to select OFF,
Revs warning or Speedometer as required
D6 pin function
:OFF
←→
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Ignition on Record – Press ENTER and use the ← and → keys to select
ON or OFF. Press ENTER to confirm the selection
Ign On Record
:OFF

←→
Crew auto duty – Press ENTER and use the ← and → keys to select ON or
Crew auto duty
:OFF
←→
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VIN – Press ENTER and key in the Vehicle Identification Number. This can
be up to 17 characters long. Press ENTER to confirm the selection
VIN
:1234567890ABCDEFG

Service Delay – Press ENTER and a cursor will flash. Key in the number of
WEEKS left until the compulsory check (maximum 104 weeks) or next
calibration of the Tachograph and press ENTER
Service delay
:104 weeks
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Install date – Press ENTER and a cursor will flash. Key in the date of
installation for the Tachograph and press ENTER
Install date
:05/06/2007

Reset Heartbeat – Press ENTER and use the ← and → keys to select ON
Note: when set to ON the vehicle cluster presence is confirmed by the
Tachograph
Reset Heartbeat
:OFF
←→
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Pin D4 Function – Press ENTER and use the ← and → keys to select the
Pin D4 function required. Press ENTER to confirm the selection from: Off,
Dynafleet, Low Speed, Functions, DTC Warning and Chart Change
Pin D4 Function
:OFF

←→
Low speed Limit – Press ENTER and a cursor will flash. Key in the
required low speed value and press ENTER
Low Speed Limit
:5 km/h
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Using the MKII with 2400 – Practical Exam

Carry out the 2400 practical exam as instructed
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Any Questions?
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