Technical Description PCM Modules ZM modular

Transcription

Technical
Description
Date: June 2015
LJU Automatisierungstechnik GmbH
PCM Modules
ZM modular
Field bus connection: Profinet PN
©
LJU Automatisierungstechnik GmbH
Am Schlahn 1
14476 Potsdam
Germany
Tel.: +49 (0) 33201 / 414-0
Fax: +49 (0) 33201 / 414-19
E-mail: [email protected]
Internet: www.ljuonline.de | www.grenzebach.com
The standard names, trade names, product names etc. used in this technical documentation may also be brand names even when not specially indicated and as such subject to
the statutory stipulations.
June 2015
ZM modular-PN_TB0026_en
Technical Description
ZM modular Profinet PN
Table of Contents
Table of Contents
1
General Information ....................................................................................................................... 6
1.1
Information about the Technical Description ......................................................................... 6
1.2
Symbols in the Documentation .............................................................................................. 7
1.3
Limitation of Liability .............................................................................................................. 8
1.4
Copyright ............................................................................................................................... 8
1.5
Conformity ............................................................................................................................. 8
1.6
Proper use ............................................................................................................................. 9
1.7
Spare Parts and Repair ......................................................................................................... 9
1.8
Disposal Instructions / Environmental Specifications .......................................................... 10
1.9
Warranty .............................................................................................................................. 10
1.10 Customer Service ................................................................................................................ 10
1.11 Modifications and Alterations............................................................................................... 11
1.12 Personnel and qualification ................................................................................................. 11
2
3
System Overview ......................................................................................................................... 12
2.1
The PCM Command System ............................................................................................... 12
2.2
Components ........................................................................................................................ 12
2.3
Principle of the Modular PCM-System ................................................................................ 13
Installation Notes ......................................................................................................................... 14
3.1
Important Note - Power Supply ........................................................................................... 14
3.2
Important Notes on Cable Layout ........................................................................................ 15
3.3
Important Notice for Command Rail Segmentation ............................................................. 15
3.4
Installing Modules ................................................................................................................ 16
3.4.1 Module Sequencing .................................................................................................... 16
3.4.2 Mounting Dimensions ................................................................................................. 16
3.4.3 Installation on Top Hat Rail ........................................................................................ 17
3.4.4 Uninstalling a Module ................................................................................................. 17
4
Central Module ZM-PN ................................................................................................................ 18
4.1
General Facts ...................................................................................................................... 18
4.2
Design of the ZM-PN ........................................................................................................... 19
4.3
Monitoring and Protection Function ..................................................................................... 19
3
Table of Contents
4.4
Synchronization and Commissioning .................................................................................. 19
4.4.1 Synchronization .......................................................................................................... 19
4.4.2 Setting the Mains Frequency ...................................................................................... 20
4.4.3 Setting the PCM Coding ............................................................................................. 21
4.5
Technical Data and Connections ........................................................................................ 22
4.5.1 Technical Data of the ZM-PN ..................................................................................... 22
4.5.2 Connections and Indicators of the ZM-PN ................................................................. 23
4.6
Profinet Connection ............................................................................................................. 24
4.6.1 Profinet Connection .................................................................................................... 25
4.6.2 LED Status Display.................................................................................................... 25
5
Pulse Code Module PCM-8-Bus ................................................................................................. 26
5.1
General ................................................................................................................................ 26
5.2
Design of the PCM-8-Bus .................................................................................................... 26
5.3
Monitoring and Protection Functions ................................................................................... 27
5.4
5.4.1 Technical Data of the PCM-8-Bus .............................................................................. 28
5.4.2 Connections and Indicators of the PCM-8-Bus .......................................................... 29
6
Input Module EM-8-Bus ............................................................................................................... 30
6.1
General ................................................................................................................................ 30
6.2
Design of the EM-8-Bus ...................................................................................................... 30
6.3
6.3.1 Technical Data of the EM-8-Bus ................................................................................ 31
6.3.2 Connections and Indicators of the EM-8-Bus ............................................................. 32
7
Digital Input Module DI-8-Bus..................................................................................................... 33
7.1
General ................................................................................................................................ 33
7.2
Design of the DI-8-Bus ........................................................................................................ 33
7.3
7.3.1 Technical Data of the DI-8-Bus .................................................................................. 34
7.3.2 Connections and Indicators of the DI-8-Bus .............................................................. 35
8
Digital Output Module DO-8-Bus ................................................................................................ 36
8.1
General ................................................................................................................................ 36
8.2
Design of the DO-8-Bus ...................................................................................................... 36
8.3
8.3.1 Technical Data of the DO-8-Bus ................................................................................ 37
8.3.2 Connections and Indicators of the DO-8-Bus ............................................................. 38
4
Table of Contents
9
Resistor Module RM-8-Bus (optional) ....................................................................................... 39
9.1
General ................................................................................................................................ 39
9.2
Design of the RM-8-Bus ...................................................................................................... 39
9.3
Installation............................................................................................................................ 39
9.4
9.4.1 Technical Data of the RM-8-Bus ................................................................................ 40
9.4.2 Connections of the RM-8-Bus ................................................................................... 40
10
Communication and System Configuration .............................................................................. 41
10.1 Profinet Communication ...................................................................................................... 41
10.1.1 Network Configuration .............................................................................................. 41
10.1.2 Operational Mode – Configuration Mode ................................................................. 41
10.2 Cyclic Data Exchange ......................................................................................................... 42
10.2.1 Cyclic Data: System Controller -> ZM-PN: 28 byte ................................................. 42
10.2.2 Cyclic Data: ZM-PN -> System Controller: 11 byte ................................................ 43
10.2.3 Cyclic Data: Counter Relaying ................................................................................. 44
10.3 Acyclic Data Exchange ........................................................................................................ 44
10.3.1 Acyclic Data: System Access Indexes ..................................................................... 45
10.4 ZM-PN Parameter Settings 38 Byte .................................................................................... 46
10.4.1 Default System Structure.......................................................................................... 47
10.4.2 Data Sources for PCM-8-Bus ................................................................................... 49
10.4.3 PCM Output Channels According to T3000 Specifications ...................................... 50
10.4.4 Data Targets for EM-8-Bus/DI-8-Bus/DO-8-Bus ...................................................... 50
10.5 Example ............................................................................................................................... 51
5
General Information
1 General Information
1.1 Information about the Technical Description
This technical description contains technical information to the PCM-System with Profinet connection
and the devices of the ZM modular system:
Central module ZM-PN
PCM module PCM-8-Bus
Input module EM-8-Bus
Input module DI-8-Bus
Output module DO-8-Bus
Resistor module RM-8-Bus (option)
It gives important information about the system and the devices.
Please read this technical description carefully before using the device!
It will ensure smooth operation and prevention of errors, defects and damage to the system. Moreover, universal safety and accident prevention specifications must be implemented at sites where the
devices are in use.
The technical description includes important instructions regarding the operation and safety; it is a part
of the product and must readily available, close to the device, so that it is accessible to the personnel
at all times.
Every person who is assigned to work on or with the device must have read and understood this technical description before working with the devices. This is mandatory even if the concerned person has
already worked with such a device or the like, or has been trained by the manufacturer.
6
General Information
1.2 Symbols in the Documentation
There are warning instructions and symbols in this technical description. It is absolutely mandatory to
comply with these and follow them. These are working aids and they will warn you of possible damage
to property and personnel. Always follow these instructions. Moreover, always follow the universal
safety specifications and accident prevention specifications.
Warning!
This symbol along with the signal word “Warning” refers to a potentially dangerous
situation that can lead to serious injuries or fatality if it is not avoided.
Caution!
This symbol along with the signal word “Caution” refers to a potentially dangerous
situation that can lead to minor injuries and damage to property if it is not avoided.
Note!
This symbol indicates that there are additional and important information and tips on
the relevant topic.
See also!
This symbol indicates that other detailed descriptions on the particular topic are available or provides references to other sections in this documentation.
7
General Information
1.3 Limitation of Liability
All data and instructions in this technical description have been compiled taking into consideration the
applicable standards and specifications, the state-of-the-art technology and our knowledge and experience gained over the years.
LJU Automatisierungstechnik GmbH is not liable for any damage or operational disorders arising due
to:

Non-compliance with the technical description

Improper use

Employment of untrained personnel

Independent remodeling and modification of the device
Moreover, non-compliance with the technical description absolves LJU Automatisierungstechnik
GmbH of the warranty obligation.
1.4 Copyright
The contents of this technical description should be treated as confidential. It is meant solely for persons working with the device. Handing over this technical document to third parties without written
permission of the manufacturer is not allowed.
Note!
The content details, texts, drawings, images and other illustrations of the technical
description are protected by copyright and are subject to the industrial property rights.
Any improper utilization is punishable by law.
1.5 Conformity
Devices of LJU Automatisierungstechnik GmbH have been designed to conform to the EU Guidelines.
A copy of the EU certificate of conformity can be requested from LJU Automatisierungstechnik GmbH
at any time.
8
General Information
1.6 Proper use
Devices of the ZM modular system are devices to control industrial and commercial transportation
systems via PCM commands.
Warning!
Danger due to improper use!
Any improper use and/or different use of the devices can lead to dangerous situations.
Therefore:
-
Only use the devices in a proper manner.
-
Under all circumstances, comply with all technical data and permissible conditions
at the site of operation.
-
Do not operate the devices in environments with hazardous oils, acids, gases,
vapors, dust, radiation, etc.
1.7 Spare Parts and Repair
Warning!
Risk of injury due to spurious spare parts and incorrect repair!
Spurious or faulty spare parts and repair can lead to damage, malfunctions or total
failure and can impair safety.
Therefore:
-
Use only original spare parts of the manufacturer.
-
Replace defective devices immediately and send them for repair.
When ordering a spare part, specify the plant number WNR of the
component and send it to the address given on the inner side of the
covering sheet (page 2). The plant number is given on the type plate
Type plate with
WNR
of the individual components. (see figure)
Send in the defective device for repair with a short description of the
error scenario, to the address given on the inner side of the covering
sheet (page 2).
9
General Information
1.8 Disposal Instructions / Environmental Specifications
Provided no agreement for take-back or disposal has been made, the individual components of the
device, after appropriate dismantling, have to be segregated and disposed of or recycled, according to
the current stipulations.
Materials marked with the recycling symbol or green dot have to be
disposed of using the relevant recycling method.
1.9 Warranty
The warranty covers only production defects and component defects.
The manufacturer is in no way responsible for damage occurring during transit or unpacking.
In no case and under no circumstances shall the manufacturer be liable under warranty for defects or
damage caused by improper use, incorrect installation or impermissible operating conditions, or due to
dust or aggressive substances.
Consequential and accidental damage are excluded from the warranty.
The warranty is valid for 12 months from the commencement of operation or 24 months after delivery,
whichever is earlier.
Resellers or distributors may negotiate different warranty periods in accordance with their terms and
conditions of sale and delivery.
If you have further questions relating to the warranty, please contact your supplier.
1.10 Customer Service
Our service is available for technical information.
Information about the responsible contact persons is available via telephone, fax, email or the Internet,
see contacts on the inner side of the covering sheet (page 2).
10
General Information
1.11 Modifications and Alterations
To avoid danger and to ensure optimal performance, no modifications, remodeling or add-ons are allowed on the device, unless expressly approved by LJU Automatisierungstechnik GmbH.
Warning!
Risk of injury due to design modification!
Unauthorized technical modifications can lead to considerable damage to persons and
property.
Therefore:
-
Replace the defective device!
-
Replace it with an LJU device of the same model.
1.12 Personnel and qualification
Warning!
Risk of injury due to inadequate qualification!
Inappropriate handling can lead to considerable personal and property damage.
Therefore:
-
The installation, operation and maintenance of the device must be carried out by
trained and instructed personnel.
11
System Overview
2 System Overview
2.1 The PCM Command System
The PCM Command System allows a large number of commands to trolleys to be transmitted over a
control rail. Command coding is used and commands are transmitted synchronized with the mains as
a combination of mains power half-waves.
With the ZM modular system connected to the superordinate system controller, up to 190 different
half-wave patterns can be sent as commands to trolley controllers over a control rail.
Messages from the trolleys are transmitted over the signal rail to the PCM system as half-waves and
full-waves.
Digital modules (DI and DO) are available to record signals from external sensors (such as proximity
switches) and to output signals (such as to signal lamps).
2.2 Components
The ZM modular system consists of stackable modules that can be interconnected depending on the
application.
Base configuration:
1 x ZM central module,
1 x PCM module,
1 x EM module.
Maximal configuration:
1 x ZM central module
3 x PCM module,
3 x EM module,
3 x DI module,
2 x DO module.
If more modules are required, further ZM modular configurations can be added and synchronized with
each other.
Also see!
Detailed information on the components can be found in the chapter of the respective
module in these instructions.
12
System Overview
2.3 Principle of the Modular PCM-System
Internal module connection
I/O’s and shifts
Field bus
Cental module
ZM
PCM module
PCM-8-Bus
Input module
EM-8-Bus
Input module
DI-8-Bus
Output module
DO-8-Bus
1 module
max. 3 modules
max. 3 modules
max. 3 modules
max. 2 modules
L3 N
230 VAC
L+ L24 VDC
L3
N
8
Outputs
PCM
N
8
Inputs
230 VAC 50Hz
Control bar S1
Message bar M
L-
8
Inputs
digital 24 VDC
e.g. initiators,
sensors
L+
L-
8
Outputs
digital 24 VDC
e.g. signal lamp
13
Installation Notes
3 Installation Notes
3.1 Important Note - Power Supply
Important note!
All mentioned devices with L3-reference are designed for use with 230VAC!
In case of main power of more than 230VAC it is mandatory to use a transformer
to generate 230VAC (L3)!
The following schematic circuit diagram shows one possible implementation,
but is not included in LJU’s scope of delivery.
Principle:
to the ZM modules modular
14
Installation Notes
3.2 Important Notes on Cable Layout
Important notes on cable layout!
Must be followed!
The following cable layout notes must be followed to ensure interruption-free
signal transmission and minimize external influences on signal transmission:

Cables to PCM, EM, DI and DO modules must be laid separately from supply
lines to the conductor rails and other power cables.

Cables to PCM, EM, DI and DO modules must in principle be laid separately.
In no case should signals from PCM and EM modules be contained in one
cable.

For cabling to EM, DI and DO modules, shielded cables should be used.

It is recommended that shielded cables be used for cables to PCM modules.
3.3 Important Notice for Command Rail Segmentation
Important notice!
Definitely to be observed!

Consecutive command rail segments where switchover from PCM commands ≤10 to PCM commands >10 shall be performed, must be separated
by active changeover segments.

Carrier entry into changeover segment with previous segment command,
switchover to following segment command only when carrier brush gear is
located completely within changeover segment.

Combinations of PCM commands ≤PCM10 will result in recognition of the
smaller command by the control box.
15
Installation Notes
3.4 Installing Modules
All system modules are meant to be installed horizontally in fixed housing and assembled on a NS 32
or NS 35/7.5 top hat rail.
Caution!
PCM modules in the ZM modular system are designed for operation at ambient
temperatures of up to 50°C.
The place where modules are installed should be such that cooling can take place
vertically.
Heat trapped in switch cabinets must be led away.
3.4.1 Module Sequencing

The central module is the first (left) in the module chain. Other modules are connected to this
module.

The sequence of the other modules in the module chain can be chosen as desired at first
installation.

Optional resistance modules (RM modules) are not included in the module chain. These can
be separately installed.
Note!
A replacement module in a pre-configured system must be installed in the same place
in the module chain as the module it is replacing.
3.4.2 Mounting Dimensions
The adjoining diagram shows the general
dimensions of the modules.
You can find module-specific widths in the
Technical Data Sheet of the respective
module.
Width
16
Installation Notes
3.4.3 Installation on Top Hat Rail
The modules are attached by snapping onto a top hat rail NS 32 or NS 35/7.5 and pushing together.

There are two green top hat rail clamps on the
back side of the modules.
To ensure stable installation, the top hat rail
clamps must be positioned on the outside of a
module before the module can be installed.

Next, the module must be snapped onto the top
hat rail. Ensure that the clamps snap in place
firmly.

Push adjacent modules together to integrate the module into the module chain. Ensure that
plug connections to adjacent modules are correctly made.

If all modules are installed, external modules in the module chain must be secured against
unintentional displacement using top hat rail end clamps.
3.4.4 Uninstalling a Module

Release the top hat rail end clamps of a module chain.

Move modules in module chain away from each other till the module to be uninstalled is free
and no longer connected to adjacent modules.

Uninstall the module.
Release the top hat rail clamps on the bottom surface of the module from the top hat rail with a
flat-tip screwdriver by leveraging lightly (pull downwards).
17
Central Module ZM-PN
4 Central Module ZM-PN
4.1 General Facts
The ZM-PN module is a central module that can be controlled via Profinet and serves to generate
mains-synchronized clock signals.
An electronic evaluates the mains power and sends mains-synchronized +24 VDC square wave voltages with various clock combinations over the internal module connection to one or more pulse code
modules.
Up to 190 different codes can be generated:
PCM 6

16 PCM codes
PCM 10

190 PCM codes
The codes are generated through relevant parameters of the PLC, which are transmitted over Profinet
to the ZM-PN. These codes are transmitted over the internal module connection to the pulse code
module PCM-8-Bus.
The pulse code module can convert these signals directly into 230 V quasi sine half-wave combinations, since these signals run synchronized to the mains voltage, and feed them to the trolley controllers over the control rails (S1).
Every pulse code command is detected depending to the software by the trolley controllers and executed.
The user can freely assign the various commands like various speeds, forward/backward, for example, in trolleys controlled by frequency inverters. The hoisting function in integrated hoisting gears can
be controlled in the same way.
The advantages of this form of differentiated instructions, sent over only one control rail, (S1) are high
jamming resistance and prevention of incorrect instructions caused by short circuit, wire break or reflections.
Mix-up with the sinus signal of the mains power is avoided.
18
4.2 Design of the ZM-PN

The mains supply of 24 VDC and 230 VAC is provided through 2 separate printed-circuit subunit terminals with threaded ends.

The central module ZM is connected with the internal module connection using a 37-pin plug
connector. Over the internal module connection, signals are exchangend and other modules in
the module chain are supplied with 5VDC.

The module is connected to the Profinet over Profinet card (integrated in the ZM).

The reference phase of the trolley controllers and the modules is fixed at L3.

The 24VDC power supply is safeguarded using multi fuses.

The ZM-PN can be optionally fitted with a 16 x 4 LCD display module.
4.3 Monitoring and Protection Function

Monitoring of the mains voltage and supply voltage

Error messages via Profinet

Synchronization with other central modules in the installation

Display “Ready for operation“ through one green LED

3 green staus LEDs (see “Connections and Indicators of the ZM-PN)
4.4 Synchronization and Commissioning
4.4.1 Synchronization
For synchronization with other central modules, these are connected with each other.
The sync connections of the ZM modules must be connected in parallel.
ZM 1
Sync1
Sync2
ZM 2
Sync1
Sync2
ZM x
Sync1
Sync2
Wiring:
It is recommended that shielded cables be used for the synchronization cables
between ZM modules.
Synchronization cables must be laid separately from the supply line to the conductor
rails and other power cables.
19
4.4.2 Setting the Mains Frequency
Attention!
The correct mains frequency (50 or 60Hz) must be set at the time of commissioning!
To set the mains frequency, the two mode configuration switches (2x 16 rotary switches) and the two
keys in the middle of the assembly are used.
Setting the mains frequency (ZM with LCD):
1. Switch off the ZM-PN (remove the power supply plug).
2. Set the rotary switches to FC Hex.
3. Restore the power supply.
4. The menu for setting the mains frequency appears automatically.
5. Select the mains frequency with the right key (frequency changes between 50 and 60 Hz with
every key press).
6. Confirm the selection by pressing the left key.
7. The module saves the selected frequency in a non-volatile memory and the module starts.
9. Reset the rotary switches to 00 Hex.
Setting the mains frequency (ZM without LCD):
2. Set the rotary switches to F5 Hex (mains frequency = 50Hz) or F6 Hex (mains frequency =
60Hz).
3. Restore the power supply. The ZM accepts the new mains frequency on startup and saves it
in a non-volatile memory.
20
4.4.3 Setting the PCM Coding
Attention!
The correct PCM coding must be set at the time of commissioning!
Setting the PCM coding (ZM with LCD):
2. Set the rotary switches to FA Hex.
4. The menu for setting the PCM coding appears automatically.
5. Select the PCM coding with the right key (the coding changes between 6 and 10 with every
key press).
6. Confirm the selection by pressing the left key.
7. The module saves the selected coding in a non-volatile memory and the module starts.
Setting the PCM coding (ZM without LCD):
2. Set the rotary switches to F9 Hex (coding = PCM6 forward and backward) or F8 Hex (coding =
PCM10 New).
3. Restore the power supply. The ZM accepts the new PCM coding on startup and saves it in a
non-volatile memory.
21
4.5 Technical Data and Connections
4.5.1 Technical Data of the ZM-PN
General
60060137
60060144 (new model)
Polyamide attachable to rails
Polycarbonate, break-proof
182 x 126 x 80mm
WNR
Housing
Transparent lid
Dimensions (W x H x D)
Ambient temperature range
Storage temperature range
Humidity
+10C to +50C
-10ºC to +50ºC
< 80% non-condensing
Inputs
Addressing
Error reporting
Potential isolation
Isolation voltage Ueff
Fuse protection of the 24 VDC supply voltage
Profinet card
Supply input
Profinet over Profinet card
through the PLC
1 x 37pole
via Profinet
Optocoupler
2.5kV
Multi-fuses
AB4621-B
24VDC
Current consumption ZM-PN:
with 1 PCM and 1 EM module
with 2 PCM and 2 EM modules
Supply input 230VAC
Reference phase
Reference potential
Power
Current consumption ZM-PN:
with 1 PCM and 1 EM module
additional
Power dissipation
No-load
Full-load
110mA
140mA
170mA
L3 230V /50Hz
N
max. 50W
55mA
110mA
165mA
10mA per trolley in control segments
1W
2W
We reserve the right to make technical changes!
22
4.5.2 Connections and Indicators of the ZM-PN
X1.1*
X5
37pole
Profinet
RJ-45
Profinet
RJ-45
X1.2*
ZM-PN
Status
LEDs**
X2
1
2
3
LED1
LED2
X4
1
2 3 4
LED3 X3
Programming
10 pole
Pin assignment X2
1
N
2
L3
3
PE
Pin assignment X4
1
Sync 1
2
Sync 2
3
L+
4
L-
LED indicators of the ZM-PN
LED 1 Mains voltage 230VAC
LED 2 Synchronization pulses
LED 3 Supply 24VDC
Wiring:
It is recommended that shielded cables be used for the synchronization cables
between ZM modules.
Synchronization cables must be laid separately from the supply line to the conductor
rails and other power cables.
* AB4621-B structurally identical with AB4474, only vertical RJ-45 females
** For the description of the status LEDs of the Profinet card see chapter “Profinet connection“
23
7
4.6 Profinet Connection
The central module is connected to the system controller via Profinet.
The central module is equipped with a certified standard Profinet card AB4392 or AB4474 respectively
AB4621-B* of HMS for the bus connection.
See also!
Detailed technical information of the used Profinet card can be obtained from the
descriptions of the manufacturer.
 Can be obtained from www.hms.se!
The field bus is connected to this card.
1
1
2
2
AB4474/AB4621-B*
AB4392
3
3
4
#
1
2
3
4
4
Description
Application interface
Profinet interface
Status-LED of Anybus watchdog
Status-LEDs of Anybus module
The modules AB4474 and AB4621-B can work with clock-synchronization also. These modules support the conformance classes:

RT C1 (not synchronized)

RT C2 (not synchronized/synchronized)

RT C3 (synchronized)
It is selected by the Profinet Controller (system controller).
The second port has switch functionality.
* AB4621-B structurally identical with AB4474, only vertical RJ-45 females
24
4.6.1 Profinet Connection
The ZM-PN is connected to the Profinet with a standard RJ-45 plug connector.
Pin
1
2
3
4
5
6
7
8
Signal
TD+
TDRD+
not used
not used
RDnot used
not used
Assignment for 10BaseT or 100BaseTX
4.6.2 LED Status Display
The actual state of the module is displayed with
several LEDs.
LED
1
Status
Off
Flashing
On
Off
Green
2
Green (1x flashing)
3
1
4
1
Off
Green
Green (1x flashing)
Green (2x flashing)
Red (1x flashing)
Red (3x flashing)
Red (4x flashing)
Off
Flashing
On
Description
No network connection found
Data exchange
Network connection established
No connection to the PN Controller
Online, Run
- Connection to the PN Controller active
- PN Controller is in RUN
Online, Stop
- Connection to the PN Controller active
- PN Controller is in STOP
No power supply or not initialized
Initialized, no error
Diagnostic data available
Engineering tool identifies the module
Configuration error
- too many modules or sub-modules
- I/O configuration of the controller is too big
- Configuration difference (no module, wrong module)
No station name or no IP address
Internal error
No network connection found
Data exchange
Network connection established
Only in AB4474
25
Pulse Code Module PCM-8-Bus
5 Pulse Code Module PCM-8-Bus
5.1 General
The pulse code module PCM-8-Bus serves to control trolleys over a control rail with up to 190 different
commands.
Such as slow/fast forward, slow/fast reverse, variable speeds in assembly areas, hoist/lower to various
positions with various speeds and various positioning behaviors.
The commands transmitted over the used field bus from the PLCs at higher levels are converted by
the central module into mains-synchronized timing signals and then converted by the connected pulse
code module into a pulse-code, which can be clearly recognized by the trolley controller.
By using mains-synchronized pulses, the output signal is always started in the voltage zero-crossing
of phase L3 (disconnect in power zero-crossing). The maximum delay time between input and output
signals caused by this is 10 ms at 50 Hz.
The reference phase of the trolley controller and the module is assigned to L 3.
The advantages:

Safeguard against incorrect instructions that could be caused by short circuit, grounding or
line break

Differentiated control transmission over one control rail

System realization without N-type rail

Control from the PLC directly via the used field bus.

Galvanic isolation through Optocoupler

Unlimited hysteresis by using semiconductor switches

Protection wiring of the output ports and short-circuit protection

Error reporting over the used fieldbus.
The pulse code module has 8 output ports, which means that up to 8 control rail sections can be
driven by one pulse code module.
5.2 Design of the PCM-8-Bus
The pulse code module PCM-8-Bus is connected to the internal module connection over a 37-pin
plug-connector. The timing signals are transmitted from the central module over this internal module
connection.
The 8 output ports must be connected with the assigned control rail sections using printed-circuit subunit terminals with threaded terminal ends.
The connection to the other modules of the module chain is realized via a second 37-pin connector.
26
5.3 Monitoring and Protection Functions

Output-side short circuit protection (semiconductor switches)

LED indicator for each output (see "Connections and Indicators PCM 8-Bus")
Error monitoring for:

Interruption of the supply voltage

Activation of the safety circuit (multi-fuse)

Disturbance reports over the internal modul connection

Can be used as individual disturbance report or together with several modules as composite
disturbance

Protective wiring of the output ports to prevent overvoltage (varistors)
The signal form of the pulse code module's output signals (e.g. drive commands) is monitored by the
micro-controller integrated in the trolley controller.
If the signal form varies due to disruptive influences, the trolley is stopped immediately.
This also holds good for line breaks, short circuits and grounding.
Mixing different pulse code signals, e.g. when traversing rail sections, is possible only to a limited
extent when using asynchronous drive commands (codes 2-9) (discussion and approval required).
Mixing asynchronous drive commands (codes 2-9) with code numbers > 9 is to be avoided at all costs.
27
5.4.1 Technical Data of the PCM-8-Bus
General
WNR
Housing
Transparent lid
Humidity
60060336
112 x 126 x 80mm
+10C to +50C
-10ºC to +50ºC
Outputs
Error reporting
Potential isolation
2 x 37pole
8
via System bus
Optocoupler
2.5kV
Output parameters
Reference phase
Output switch elements
Protection wiring
Output power per output
Total output power
Short circuit protection
L3
FET
Varistor
max. 1A
max. 1A
Semiconductor switches
Trolley stops for:

Short circuit against N, L1, L2

Line break

Interruption of the supply voltage
Power dissipation
No-load
Full-load
2W
10W
28
5.4.2 Connections and Indicators of the PCM-8-Bus
X5
37pole
Internal module connection 37pole
X3
PCM-8-Bus
X1
1
2
3
Pin assignment X1
1
L3
2
PCM 1
3
PCM 2
4
PCM 3
5
PCM 4
6
PCM 5
7
PCM 6
8
PCM 7
9
PCM 8
10 N
4
5
6
7
8
9
10
LED indicators of the PCM-8-Bus
LED PCM 1
LED PCM 2
LED PCM 3
LED PCM 4
LED PCM 5
LED PCM 6
LED PCM 7
LED PCM 8
The LED associated with the channel
blinks at an intensity corresponding to
the PCM half-wave sample applied to
the output.
If the channel diode is off, no PCM
command is sent.
Wiring:
It is recommended that shielded cables be used for the connection between the PCM
modules and the control rail sections.
PCM wiring must be laid separately from the supply line to the conductor rails and
other power cables.
Signals from PCM and EM modules should not be contained in one cable.
29
Input Module EM-8-Bus
6 Input Module EM-8-Bus
6.1 General
The input module EM-8-Bus converts the 230V AC composite error messages, relayed from the trolley
over the status rail, to the signal level of the internal module connection.
This provides for transmission of the input signals over used field bus to the PLC.
The module has 8 input ports. This means that signals from up to 8 rail sections can be converted by
one input module.
The signal input ports are designed to distinguish between positive half-waves (presence) and
negative half-waves (error messages).
The reference phase of the trolley controllers and of the module is assigned to L3.
Signal inputs
In general, positive half-waves are interpreted as a "presence" and negative half
waves as an "error".
Depending on the project.
See software description of the used project.
The advantages:

Compact modular design


Input switching threshold 140VAC

Differentiated display of (positive/negative) half-waves for each input (see “Connections and
Indicators of the EM-8-Bus“)
6.2 Design of the EM-8-Bus
The input module EM-8-Bus is connected with the internal module connection using a 37-pin plug
connector. The input signals are sent via the internal module connection to the central module, which
then transmits them via the used field bus to the PLC.
The 8 input ports and the reference potential (N) must be connected to the assigned control-rail
sections or the power supply using printed-circuit sub-unit terminals with threaded terminal ends.
Other modules of the system are connected using a second 37-pin plug connector.
30
6.3.1 Technical Data of the EM-8-Bus
General
WNR
Housing
Transparent lid
Humidity
60060247
112 x 126 x 80mm
+10C to +50C
-10ºC to +50ºC
Inputs
Potential isolation
2 x 37pole
8
Optocoupler
2.5kV
Input parameters
Reference phase
Reference potential
Input voltage for signal 0
Input voltage for signal 1
Input power per input
L3
N
0V to 110VAC
140V to 245VAC
max. 10mA
Power dissipation
No-load
Full-load
2W
10W
31
6.3.2 Connections and Indicators of the EM-8-Bus
X5
X3
EM-8-Bus
X1
1 2 3
4
Pin assignment X1
1
2
Input E 1
3
Input E 2
4
Input E 3
5
Input E 4
6
Input E 5
7
Input E 6
8
Input E 7
9
Input E 8
10 N
5 6 7
8
9 10
LED indicators of the EM-8-Bus
2 x LED E 1
2 x LED E 2
2 x LED E 3
2 x LED E 4
2 x LED E 5
2 x LED E 6
2 x LED E 7
2 x LED E 8
The status of each input is displayed with two
LEDs.
left LED = ON:
negative half-wave at the input
right LED = ON:
positive half-wave at the input
Wiring:
It is recommended that shielded cables be used for the connection between the EM
modules and the signal rail sections.
EM wiring must be laid separately from the supply lines to the conductor rails and
other power cables.
Signals from EM and PCM modules should not be contained in one cable.
32
Digital Input Module DI-8-Bus
7 Digital Input Module DI-8-Bus
7.1 General
The digital input module DI-8-Bus is used to get 24VDC digital signals from automation devices in the
process.
For example, signals are received from the most varied sensors, such as approach switches,
photoelectric barriers and limit switches, and converted in such a way that they can be transmitted
over the internal module connection to the central module, which in turn sends them to the PLC.
These input signals can also be transmitted over the internal module connection to a digital output
module, to control indicator lamps in the process for example.
The module has 8 digital 24VDC input ports, which means that signals from as many as 8 different
devices can be converted and transmitted over the internal module connection.
The advantages:



Input switching threshold 10VDC

LED indicator for each input port (see “Connections and Indicators of the DI-8-Bus”)
7.2 Design of the DI-8-Bus
The digital input module DI-8-Bus is connected with the internal module connection using a 37-pin
plug connector. The input signals are sent via the internal module connection to the central module
and/or to a digital output module.
The 8 input ports must be connected to the required devices, initiator lamps etc., over printed-circuit
sub-unit terminals with threaded terminal ends.
Other modules e.g. an output module, are connected using a second 37-pin plug connector.
33
7.3.1 Technical Data of the DI-8-Bus
General
WNR
Housing
Transparent lid
Humidity
60060003
78 x 126 x 80mm
+10C to +50C
-10ºC to +50ºC
Inputs
Potential isolation
2 x 37pole
8
Optocoupler
2.5kV
Input parameters
Reference potential
Digital 24 VDC for signal 0
Digital 24 VDC for Signal 1
Input power per input
- 24VDC
0V to 3.5VDC
10V to 30VDC
< 10mA
Power dissipation
No-load
Full-load
1W
2W
34
7.3.2 Connections and Indicators of the DI-8-Bus
X5
37pole
37pole
X3
DI-8-Bus
1
2 3 4
5 6 7
8
9 10
X1
Pin assignment X1
1
2
Digital Input DI 1
3
Digital Input DI 2
4
Digital Input DI 3
5
Digital Input DI 4
6
Digital Input DI 5
7
Digital Input DI 6
8
Digital Input DI 7
9
Digital Input DI 8
10 L-
LED indicators of the DI-8-Bus
LED DI 1
LED DI 2
LED DI 3
LED DI 4
LED DI 5
LED DI 6
LED DI 7
LED DI 8
The status of each DI input is displayed
with a LED.
LED = ON:
signal at the input
Wiring:
It is recommended that shielded cables be used for the connection to DI modules.
DI cabling must be laid separately from the supply lines to the conductor rails and
other power cables.
35
Digital Output Module DO-8-Bus
8 Digital Output Module DO-8-Bus
8.1 General
The digital output module DO-8-Bus serves to output 24VDC digital signals to automation devices in
the process.
For example, signals based on converted signals from a digital input or from the PLC can be sent to
signal or indicator lamps.
Signals from the PLC are transmitted via the used field bus and the internal module connetion.
The incoming digital signals, which result in a digital output signal, are also transmitted via the internal
mudule connection.
The module has 8 digital 24VDC output ports, which means that as many as 8 signals can be output.
The advantages:



LED display for each output port (see “Connections and Indicators of the DO-8-Bus”)
8.2 Design of the DO-8-Bus
The digital output module DO-8-Bus is connected with the internal module connection using a 37-pin
plug connector. The signals from the central module and/or from a digital input module are transmitted
over the internal module connection.
The 8 output ports and the 24 VDC power supply are connected with the devices, indicator lamps etc.,
using printed-circuit sub-unit terminals with threaded terminal ends.
Other modules e.g. an input module, are connected using a second 37-pin plug connector.
36
8.3.1 Technical Data of the DO-8-Bus
General
WNR
Housing
Transparent lid
Humidity
60060004
78 x 126 x 80mm
+10C to +50C
-10ºC to +50ºC
Outputs
Potential isolation
2 x 37pole
8
Optocoupler
2.5kV
Output parameters
Reference potential
Outputs
max. power per output
Total output power
+ 24VDC
Digital 24 VDC
1A
< 2A
Power dissipation
No-load
Full-load
1W
4W
37
8.3.2 Connections and Indicators of the DO-8-Bus
X5
X3
DO-8-Bus
1 2
3 4
5 6
7 8
9 10
X1
Pin assignment X1
1
L+
2
Digital Output DO 1
3
Digital Output DO 2
4
Digital Output DO 3
5
Digital Output DO 4
6
Digital Output DO 5
7
Digital Output DO 6
8
Digital Output DO 7
9
Digital Output DO 8
10 L-
LED indicators of the DO-8-Bus
LED DO 1
LED DO 2
LED DO 3
LED DO 4
LED DO 5
LED DO 6
LED DO 7
LED DO 8
The status of each DO output is displayed with a LED.
LED = ON:
output signal +24VDC is switched
Wiring:
It is recommended that shielded cables be used for the connection to DO modules.
DO cabling must be laid separately from the supply lines to the conductor rails and
other power cables.
38
Resistor Module RM-8-Bus (optional)
9 Resistor Module RM-8-Bus (optional)
9.1 General
The resistor module RM-8-Bus serves the compensation of the capacities of the control bus and rails,
that is used to the transfer of PCM- and half-wave signals for the control of trolleys.
The use of load-resistors in the control bus is necessary to the guarantee of a certain signal transfer.
9.2 Design of the RM-8-Bus
The resistor module has 8 outputs, that at most 8 rail sections can be compensated.
The 8 output cables and L3 will be connected by using printed-circuit sub-unit terminals with threaded
terminal ends.
9.3 Installation
The resistor module RM-8-Bus is designed for horizontal installation in a stationary housing.
The module is secured by fastening it to a mounting rail.
Caution!
The module can warm up!
The installation must permit adequate air-circulation to prevent the accumulation of
heat.
L3
L3
rail section
39
Resistor Module RM-8-Bus (optional)
9.4.1 Technical Data of the RM-8-Bus
General
WNR
Housing
Transparent lid
Humidity
60060412
112 x 126 x 80mm
+10C to +50C
-10ºC to +50ºC
Inputs
1 x L3
1 x L3
8 x Resistor 22 kΩ
Outputs
Power dissipation
No-load
Full-load
0W
20W
9.4.2 Connections of the RM-8-Bus
Pin assignment X1
1
L3 IN
2
L3 OUT
3
Output R1
4
Output R2
5
Output R3
6
Output R4
7
Output R5
8
Output R6
9
Output R7
10
Output R8
RM-8-Bus
1
2
3
4
5
6
7
8
9
10
X1
40
Communication and System Configuration
10 Communication and System Configuration
10.1 Profinet Communication
The system controller communicates with the ZM-PN via the Anybus Profinet module.
10.1.1 Network Configuration
The network setup is to be configured in the PLC.
10.1.2 Operational Mode – Configuration Mode
Generally the ZM module will be set by the application software in safe mode when Operational Mode
is chosen by setting the rotation switch to 00 Hex.
Rotation switches adjustment to 11 Hex results in configuration mode setting.
The ZM will perform a software reset and reboot in configuration mode.
This mode enables the following network services:

HICP - (UDP:3250):
Configuration access Anybus Ipconfig Tool

http - (TCP:80):
Configuration access Web-Server

FTP - (TCP:20,21):
Configuration access File-Server
Note!
For safety reasons the above services are deactivated in operational mode by default.
After successful configuration the rotation switches should be set back to 00 Hex. The
ZM will reboot into operational mode.
41
10.2 Cyclic Data Exchange
In cyclic data exchange, the controller sends the required output data to the device and reads the actual input data from it.
The ZM-PN is a modular device!
Up to 28/11 Bytes are exchanged cyclically between the system controller and the device!
As described later in this documentation, the device can also be operated with parameter settings differing from this default configuration!
The number, the significance and the position of the bytes in the messages can differ from the following values!
10.2.1 Cyclic Data: System Controller -> ZM-PN: 28 byte
(Default configuration for maximum enhancement)
Byte
1
Command Byte
1
2
9
10
17
18
25
1
Cyclic Counter
PCM – Output 1.0
PCM – Output 1.7
PCM – Output 2.0
PCM – Output 2.7
PCM – Output 3.0
PCM – Output 3.7
26
DIG – Output Byte 1
27
DIG – Output Byte 2
0
1
Meaning
Note
00H = Normal mode
88H = without Online -> Offline Automatic reset
See “Cyclic data: Counter relaying"
1. Output card
8 x PCM outputs
2. Output card
8 x PCM outputs
3. Output card
8 x PCM outputs
1. Output card
8 x Digital 24VDC outputs
2. Output card
8 x Digital 24VDC outputs
These Bytes are fixed and are always sent
42
10.2.2 Cyclic Data:
ZM-PN -> System Controller: 11 byte
(Default configuration for maximum enhancement)
Byte
1
Error status Byte
(automatically resetting)
1
1
Cyclic Counter
2
EM – Input 1 Pos.
3
EM – Input 1 Neg.
4
EM – Input 2 Pos.
5
EM – Input 2 Neg.
6
EM – Input 3 Pos.
7
EM – Input 3 Neg.
8
DIG – Input Byte 1
9
10
0
1
Meaning
Note
00H = No error
01H = Error in configuration
02H = Error in mains frequency
04H = Error in PCM output card
08H = Error in digital output card
10H = Error in EEPROM
20H = Reserve
40H = Error in Profinet communication
80H = Error in parameter settings
See “Cyclic data: Counter relaying"
1. Input card
8 x PCM inputs: Positive half wave
8 x PCM inputs: Negative half wave
2. Input card
3. Input card
1. Input card
8 x Digital 24VDC inputs
2. Input card
2. Input card
These Bytes are fixed and are always sent
43
10.2.3 Cyclic Data: Counter Relaying
The ZM-PN returns the counter received in Byte1, in its response message to Byte1. If the module is
in the “ONLINE” state and if the counter status does not change within 2000ms, the module switches
to the “OFFLINE” state, deletes all connected outputs and triggers a (local) hardware reset (if this is
not deactivated by an entry of 88H in the Command Byte).
The system controller must relay this counter cyclically to maintain the data exchange.
Moreover, this way the system controller (independent of the bus cycle running asynchronous to the
program cycle) can detect whether a new response message exists.
Recommended procedure:

Comparison: Counter of output data equals counter of input data?

Yes => receive new data from slave! => Analyze+ trigger monitoring

Program processing

Set the counter of output data equal to the counter of input data + 1
10.3 Acyclic Data Exchange
In the acyclic data exchange, the system controller can send data messages to the device or read
from it by means of read requests or write requests.
Response Code ERROR with extended error message:
If the slave respond with an error, the extended error code must be analyzed (at least during
the software development) if it has been generated.
Following error codes are generated currently by the LJU standard firmware (ErrorCode1):
0xFF: False data length
0xB0: Access to an invalid index or Access locking error during access
0xB1: Access with an invalid length
0xB7: Access to an invalid range
0xC2: Resource is busy
0xC3: Resource not available
0xC8: Resource not reachable (no communication)
0xC9: Resource not in this segment
44
10.3.1 Acyclic Data: System Access Indexes
The following system access points are implemented in the device:
1
Access Index
Meaning
01 Hex (R/W)
7F Hex (R/W)
Cyclic input / output data
Parameter (setting, mapping of I/O ranges)
Length
READ
[Byte]
11
1
40
Length
WRITE
[Byte]
28
38
In read access, the penultimate byte contains the mains frequency with which the central module is currently working
and the last byte contains the actual PCM coding.
Index 01H: Cyclic input/output data
The same variables as in the cyclic data exchange are addressed through this access point.
Index 7FH: Parameter (setting, mapping of I/O ranges)
The IO mapping of the device can be set through this access point.
Parameters!
A table with the meaning of the parameters is given under “ZM-PN Parameter settings”.
Warning!
The number and position of the I/O data for the cyclic data exchange are calculated
from this parameter data!
The parameters are stored by the device in an EEPROM, so that the device can start
automatically with specified parameters.
A device with incorrect parameter settings cannot be correctly addressed through the
cyclic service!
Therefore we recommend that the ZM-PN be operated with its default configuration!
45
10.4 ZM-PN Parameter Settings 38 Byte
The ZM-PN is a modular device, for which parameters can be set!
At least 2/2 and maximum 28/11 Bytes are exchanged cyclically between the controller and the device!
The position of the I/O data for the cyclic data exchange is calculated from this parameter data! The
parameters are stored by the device in an EEPROM, so that the device can start automatically with
the specified parameters.
Attention!
A slave with incorrect parameter settings cannot be correctly addressed through the
cyclic service!
Fixed parameter settings:

The parameter settings described in this document are hard-coded in the firmware of the ZMPN.

The mode configuration switches (2 x 16 rotary switches in the middle of the assembly) present on the module are used for selection. These are polled when the system software is
started. Depending on the setting, they determine the required parameter record and store it in
the EEPROM of the assembly. Moreover, other functions can be activated with these switches
at startup (see following table).
Coding Switches
00 Hex
FF Hex
FE Hex
FD Hex
FA Hex
F9 Hex
F8 Hex
FC Hex
F5 Hex
F6 Hex
FB Hex
1
Function
“Normal” start with parameters actually stored in the EEPROM
Stores the DEFAULT parameters (described here) in the EEPROM and
then starts the module with these values!
Determines by Autodetect the assemblies connected to the central module,
generates the parameters from this data, stores these in the EEPROM and then
starts the module with these values.
Deletes the parameters stored in the EEPROM.
1
Sets the PCM coding (at the time of commissioning)
Sets the PCM coding to PCM 6 (at the time of commissioning)
Sets the PCM coding to PCM 10 (at the time of commissioning)
1
Sets the mains frequency (at the time of commissioning)
Sets the mains frequency to 50 Hz (at the time of commissioning)
Sets the mains frequency to 60 Hz (at the time of commissioning)
Sets the serial number (only for production!)
Only for modules with LCD display
Attention!
After the execution of one of the above-mentioned functions, switch off the ZM-PN
once again and set the configuration switches to 00 Hex!
46
10.4.1 Default System Structure
A default configuration is hard-coded in the firmware of the ZM-PN and the supplied GSDML file. It
represents an enhancement with the maximum number of modules that can be operated on a central
module.
Default (maximum) configuration:
Device list
PCM-8-Bus
EM-8-Bus
DI-8-Bus
DO-8-Bus
Slave configuration
(modules used)
8 bytes
2 bytes
1 byte
1 byte
Protocol
PCM-8-Bus
PCM-8-Bus
PCM-8-Bus
DO-8-Bus
DO-8-Bus
Outputs:
2 bytes
8 bytes
8 bytes
8 bytes
1 byte
1 byte
28 bytes
Protocol
EM-8-Bus
EM-8-Bus
EM-8-Bus
DI-8-Bus
DI-8-Bus
DI-8-Bus
Inputs:
2 bytes
2 bytes
2 bytes
2 bytes
1 byte
1 byte
1 byte
11 bytes
Parameter table with default parameter values:
Byte
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Meaning
PCM Module 1: Fixed code Enable Mask
PCM Module 1: Channel 1:
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
Def.
Value
Param.
0
1
2
3
4
5
6
7
8
0
9
10
11
12
13
14
Default pos.
Output
Input
Byte
Byte
2
3
4
5
6
7
8
9
10
11
12
13
14
15
47
Byte
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
Meaning
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
PCM-Code: 0 – 190
EM Module 1: Positive half wave
EM Module 1: Negative half wave
DO Module 1: Dig 24V outputs
DO Module 2: Dig 24V outputs
DI Module 1: Dig 24V inputs
Def.
Value
Param.
15
16
0
17
18
19
20
21
22
23
24
1
2
3
4
5
6
25
26
7
8
9
Default pos.
Output
Input
Byte
Byte
16
17
18
19
20
21
22
23
24
25
2
3
4
5
6
7
26
27
8
9
10
Parameters are set for activation as well as the position of the variables in the data for the cyclic data
exchange.
A central module with maximum enhancement of input/output modules is the default parameter setting.
We recommend using this configuration for all the central modules available in the system and then
flagging all the input/output modules that are not connected in the system controller as “Reserved” or
“Optional”. Thus it is possible to enhance the module chain at any time without resetting the parameters.
Data source:
Number of the output byte from which the particular module gets its data.
Data target:
Number of the input byte to which the particular module copies its data.
The data sources and the data targets for the individual module types are defined in the following
points.
48
10.4.2 Data Sources for PCM-8-Bus
Data source = 0:
Data source = 1-29:
Release bit string not used; channel or module not used or not
available.
Output byte 0-28; for this PCM channel, 1 output byte is used, thus
up to 190 drive commands can be output on this channel.
Output byte 0-28; for this PCM channel, the 4 higher-value bits of
Data source = 31-59:
this output byte are used for coding the drive command, thus the
commands according to the T3000 specifications can be output.
Output byte 0-28; for this PCM channel, the 4 lower-value bits of
this output byte are used for coding the drive command, thus the
commands according to the T3000 specifications can be output.
On this channel, a hard-coded drive command 0-155 is output, if
the corresponding bit in the release bit string is set to 1 for this
module. No output bit for coding the drive command is needed
here.
The release bit string is needed only in connection with the hard-coded drive commands (data source
100-255).
The various data sources can be randomly grouped to allow individual adaptation to the given requirements.
49
10.4.3 PCM Output Channels According to T3000 Specifications
The required PCM command code for each channel can be specified with 4 Bits.
The following assignment is applicable here: Two channels are assigned to one Byte.
Following PCM command codes can be generated:
Bit:
or:
1
7654
3210
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Command code 0;
Command code 1;
Command code 2;
Command code 4
Command code 6
Command code 8
Command code 10
Command code 12
Command code 14
Command code 16
Command code 18;
Command code 3;
Command code 5
Command code 7
Command code 9
Command code 11;
Stop Low priority
1
Stop Highest priority
PCM drive command High priority
2-18: Scope:
Prioritizable PCM commands
PCM drive command Low priority
PCM drive command High priority
3-11: Range
Reserve PCM commands
PCM drive command Low priority
Reserved Stop mode: To be used only under certain circumstances.
The controller interprets the two Stop modes.
10.4.4 Data Targets for EM-8-Bus/DI-8-Bus/DO-8-Bus
Data target = 0:
Module not used or not available.
Data target = 1-10:
Input byte 0-9.
EM-8-Bus:
If the positive and negative half waves of a module are assigned to the same
data target, then full waves are analyzed.
DI-8-Bus:
DO-8-Bus:
50
Data target = 0:
Data target = 1-10:
Input byte 0-9.
Data source = 0:
Data source = 1-29:
Output byte 0-28.
10.5 Example
The following design must be implemented:

PCM-8-Bus module 1 all channels must be able to output the drive commands 0-190.

PCM-8-Bus module 2 all channels must be able to output the drive commands according to
the T3000 specifications.

PCM-8-Bus Module 3 all channels hard-coded, release through bit string.

DO-8-Bus Module 1

EM-8-Bus Module 1 pos. and neg. half waves should be analyzed separately.

EM-8-Bus Module 2 only full values must be analyzed.

DI-8-Bus Module 1

DI-8-Bus Module 2
Following module types are selected during the configuration:
1x
“Status" (Protocol  Fixed in Slot 1)
1x
“Command" (Protocol  Fixed in Slot 2)
1x
"PCM-8 8 Byte outputs"
1x
1x
1x
"DO-8 1 Byte outputs"
1x
"EM-8 HW 2 Byte inputs"
1x
"EM-8 VW 1 Byte inputs"
2x
"DI-8 1 Byte inputs"
Example of a hardware configuration with Simatic Manager
The I/O range results from this configuration:
2
Output bytes Protocol (0-1)
14
Output bytes (2-15)
2
Input bytes Protocol (0-1)
5
Input bytes (2-6)
51
With the user parameters, now these input and output bytes are assigned to the inputs or outputs of
the modules:
Param.
Byte
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
52
Meaning
Release bit string PCM-8-Bus Module 1
Data source PCM-8-Bus Module 1 Channel 1
Data target EM-8-Bus Module 1 pos. half wave
Data target EM-8-Bus Module 1 neg. half wave
Data source DO-8-Bus Module 1
Data source DO-8-Bus Module 2
Data target DI-8-Bus Module 1
Used I/O Range
OFF
Output Byte 0
Output Byte 1
Output Byte 2
Output Byte 3
Output Byte 4
Output Byte 5
Output Byte 6
Output Byte 7
OFF
High nibble Output Byte 8
Low nibble Output Byte 8
Output Byte 12
PCM Code 2
PCM Code 3
PCM Code 4
PCM Code 5
PCM Code 6
PCM Code 7
PCM Code 8
PCM Code 9
Input byte 0
Input byte 1
Input byte 2
Input byte 2
OFF
OFF
Output byte 13
OFF
Input byte 3
Input byte 4
OFF
This data must be entered in the hardware configuration of the system controller (PLC)!
Example of a parameter setting with Simatic Manager
53

Technical Description PCM Modules ZM modular

Transcription

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