AmpCom Hands-On Training lab

Transcription

Hands-On Training
ADVANCED MOTOR PROTECTION WITH
COMMUNICATION
TCU% 53%
Avg I 23A
Networkable Motor Protection,
Control & Energy Monitoring System
Publication 0.2/07-11-2012.. All the information provided within this document is property of Carlo Gavazzi & NHP Electrical
Engineering Products Pty. Ltd.
Hands-On Training Lab
Introduction
Welcome to the AmpCom Hands-On Training lab.
AmpCom is a Networkable Motor Protection, Control and Energy Monitoring system that supports
expandable I/O via a modular concept. It supports Modbus Ethernet/TCP and Profibus-DP protocols.
This lab will demonstrate the protection, control and communication features available with
AmpCom.
As you complete the exercises in this hands-on session, you will:
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Gain experience using AmpCom as a powerful motor protection and control device
Explore the programming and configuration of AmpCom by using the software for different
arrangements.
See the benefits of using AmpCom in an intelligent MCC design.
Publication 0.2/07-11-2012.. All the information provided within this document is property of Carlo Gavazzi & NHP Electrical Engineering
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Hardware
This section will list the different components available in the working demos:
DMPU-HMI
HMI Display
Sprecher + Schuh
Contactor
Output LEDs
Input Control
Motor + Load
Simulator
2 x DMPU-R2
DMPU-05
DMPU-MBT
Current/Voltage
Measurement Module
Main CPU Module
(Modbus Ethernet/TCP)
I/O Expansion Modules
1 x DMPU-EL
Earth Leakage Module
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Current/Voltage Measurement Module
This module measures both current (via pass-through) and voltage (voltage inputs are rated to 690V
AC and are available as standard). It also includes two configurable relay outputs. The current and
voltage measurements feedback as well the control of the outputs are done via an RJ11 cable (not
visible in the working demo) to the Main CPU Module. Available in 5A, 10A (split-core) and 65A
versions.
Main CPU Module
This module is the brains behind the AmpCom system. It includes a communication port (supports
Modbus Ethernet/TCP or Profibus), 3 x configurable inputs (PTC or Digital) and programming port (to
connect to PC configuration software).
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I/O Expansion Modules
These modules include 2 x configurable inputs (PTC, PT100 or Digital) and 2 x configurable relay
outputs. They plug into the side of the Main Module and can piggy back up to 10 x expansion
modules.
Up to 10 x expansion modules
Earth Leakage Module
This module allows for sensitive earth leakage current measurement and protection. Connects to the
Main Module or can be piggy backed off any of the I/O Expansion modules.
HMI Display
Fully programmable display to control and monitor the AmpCom system from the front of an MCC
panel.
Please download the AmpCom Technical Catalogue from www.nhp.com.au/AmpCom for a full
selection guide and specification details on the complete range.
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Lab Workshop No. 1
Connecting the working demo to the PC configuration software.
Double click on the Carlo Gavazzi ‘DMPU’ logo .
This will execute the AmpCom PC configuration software. Maximise the window so it takes up the
whole screen.
The software should automatically connect to the AmpCom working demo. You can check this by
looking at the bottom corner of the window and confirming the following message appears:
If this message does not appear, please notify the lab instructor.
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Familiarising yourself with the icons on the main menu screen
Along the top of the window, you will notice several icons:
This icon creates a new configuration and lists it in the ‘Configurations’ window.
This icon opens configurations and loads them in the ‘Configurations’ window. This function is
used for configurations not listed in the ‘Configurations’ window (usually a configuration loaded
from another PC). Compatible files will have the ‘.dmpu’ file extension.
This icon will allow you to download configurations to the AmpCom system that are listed in the
‘Configurations’ window. This same icon also allows you to upload configurations from the
AmpCom system and save them in the ‘Configurations’ window.
This icon will allow you to save configurations to a different location on your PC compared to the
default location the software saves files to. Note: Once configurations are created or opened from a
different file location, they are automatically saved to the default location.
This icon is used to modify a configuration. Select a configuration from the ‘Configurations’
window then click on this icon to begin to program your AmpCom device.
This icon will remove configurations in the ‘Configurations’ window and from the default
save location.
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This icon will allow you to view a selection of variables and virtual alarms of the connected
AmpCom system. This feature is handy for testing and commissioning to ensure the device is
correctly measuring and activating virtual alarms before it’s connected to the supervisory system.
Just like the ‘Monitoring’ icon, this icon allows you to view the active data-loggers’
stored information in a Excel spread sheet format of the connected AmpCom system. Again handy for
testing and commissioning.
This icon will open another window to allow you perform the following commands to the
connected AmpCom system.
These commands can also be activated through the supervisory system.
This icon will restore the connected AmpCom system to its factory default settings.
This icon will print the selected configuration’s (in the ‘Configurations’ window) saved
parameter sets.
This icon will close down the software.
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Setting the real-time clock and time zone
Along the top, click on Tools>Clock and time zone
The following window will then appear:
You have the option to manually set the time and date or synchronise with the PC’s time and date.
Click on the ‘Synchronize with PC date and time’ button.
Note: The time and date can also be set via the supervisory system.
The DST function allows you to program the Daylight Savings Time. Click the ‘OK’ button.
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Lab Workshop No. 2
Programming a configuration for an AmpCom system
To create a new configuration, click on the
icon.
You will them be prompted to enter a name for this configuration. Name it ‘AmpCom Lab’ and then
click ‘OK’.
You will now see the ‘AmpCom Lab’ configuration in the ‘Configurations’ window.
Make sure this configuration is highlighted then click on the
connected AmpCom system.
icon to begin to program the
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WIZARD a) - Modules Configuration
Once the
icon is clicked, the ‘WIZARD a) - Modules Configuration’ window will appear.
In this wizard, you identify the different modules that make up the AmpCom system that is
connected to the software.
First select the Main CPU Module - DMPU-MBT.
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Select which option/expansion modules are connected to the Main CPU module (DMPU-MBT). Add
these modules in the order from right to left and so they appear the same way as below:
Select the Current/Voltage Measurement Module (DMPU-05)
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Select the Temperature Unit as ‘Celsius”.
This is the unit the PT100 inputs will measure in.
Click the
button to resume to the next wizard.
Note: Buttons
allow you to move back and forth between the
wizards. Button
allows you to save and exit the configuration. Button
will cancel the configuration without saving.
WIZARD b) - Communication
This wizard allows you to program the network settings. Since we’re working with the Modbus
Ethernet/TCP the following settings will appear:
Leave these settings as default.
Note: The following setting would appear if the Profibus-DP Main CPU module (DMPU-PRB) was
connected:
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This wizard also allows you to change the programming port settings. It’s recommended these are left
to the default settings.
Click
to proceed to the next wizard.
WIZARD c) - DMPU-05 CT and VT parameters
This is where you program the CT ratio. You also have the option to program the VT ratio for higher
voltages. If the DMPU-10 or DMPU-65 were chosen, only the VT ratio setting will appear in this wizard.
The DMPU-05 is designed to be CT driven (with 5A secondary).
In this lab, there are no CTs connected nor are the voltage inputs, so we’ll leave the settings set to
default. Click
WIZARD d) - Motor features
This is where you program the motor related parameters.
IN [A]: Full load current rating of the motor. Set to ‘1’.
Motor start time [s]: The approximate time the motor takes to reach full speed (load
dependant). Set to ‘5’.
IS49-LR [multiple of IN]: Locked rotor current of the motor. Obtain from the motor
manufacture’s datasheet. Leave the default setting.
ts49-H [s]: Locked rotor time hot. Obtain from the motor manufacture’s datasheet. Leave the
default setting.
ts49-C [s]: Locked rotor time cold. Obtain from the motor manufacture’s datasheet. Leave the
default setting.
k49: Motor service factor. Obtain from the motor manufacture’s datasheet. Leave the
default setting.
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K49-R [s]: Motor cool time during run. Obtain from the motor manufacture’s datasheet.
Leave the default setting.
K49-S [s]: Motor cool time while the motor is stopped. Obtain from the motor manufacture’s
datasheet. Leave the default setting.
If any of the following settings cannot be obtained, or are not critical to your process,
they can be programmed based on a pre-defined trip class to determine the thermal capacity of your
motor.
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Alternatively, if the following parameters are programmed,
but the following parameters cannot be obtained,
you can click on the
button to estimate these unknown values.
For this lab, click on the
button (most common setting for motors).
Click
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Lab Workshop No. 3
Programming the Input and Output logic, enabling ANSI protection and instantaneous
warning/protection functions in WIZARD e) - Connections.
There are several ways you can define the behaviour of the AmpCom system.
Pre-defined configurations
The software includes a range of pre-defined configurations for different motor starter types:
Click on the
Select DOL starter then click on the
button to view them:
button.
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Next, the following window will appear:
This window requires you to assign the inputs and outputs to your preferred method to control the
DOL starter.
The inputs can be assigned to either the digital inputs available with the Main CPU module, I/O
expansion modules, Earth Leakage module, or combination of all.
The output can be assigned to any of the outputs available on the Current/Voltage Measurement
module or the I/O expansion module.
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Click on
and from the drop down assign this output to
This output is 15/18 on the Current/Voltage Measurement module and controls the coil on the
upstream Sprecher + Schuh contactor coil.
Click on
and from the drop down assign this input to
This input will be acting as a start command for the DOL starter via the DMPU-R2 A-1 pushbutton on the
working demo.
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Do the same thing for Local Stop and Latch Reset and assign them to 1.R2.2 and 3.EL.1 respectively
from the drop down. 1.R2.2 is the DMPU-R2 A-2 pushbutton and 3.EL.1 is the DMPU-EL C-1
pushbutton on the working demo.
Click ‘OK’.
The following function block diagram will appear in the ‘Connections’ window:
This pre-defined configuration automatically enables the ‘Thermal Image 49’ (overload protection) and
the ‘I IMB%’ (current imbalance protection) ANSI protection functions.
You have successfully implemented a DOL Starter pre-defined configuration.
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Building a Custom Configuration and saving it as a Pre-Defined Configuration
Highlight the pre-defined configuration by holding down the left mouse button and hovering over all
the function blocks. Then push the DEL button on the keyboard to remove this configuration.
These following steps will highlight how to build a custom DOL starter with the various function
blocks available.
Along the side you will notice folders group like the following:
Inputs: Contains the available inputs from the AmpCom system (amount vary depending how
they’re defined in WIZARD a)) and 9 x network inputs.
Note:
These inputs can be used to identify when and how to alter the
logic’s behaviour when there is an internal fault with the AmpCom system.
Instantaneous variables: Contains all the measurable variables through the AmpCom system. These
individual blocks can be defined to activate as an alarm and force outputs in the AmpCom system to
change state or display alarm signals within the supervisory system.
ANSI: Use these blocks to program and assign the ANSI protection functions to force outputs in the
AmpCom system to change state and display alarm signals through the supervisory system.
Counters: Two counters are available to be used within a custom configuration.
Timers: Two on-delay timers are available to be used within a custom configuration.
Internal counters: Starts per hour, estimated time before trip and estimated time before restart
counters can be programed and implemented within a custom configuration.
Digital outputs: Contains the available relay outputs from the AmpCom system (amount varies
depending how they’re defined in WIZARD a)) and ‘Latch Reset’ function block.
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Note: When the ‘Latch Reset’ function is enabled, it will reset any virtual alarm that is enabled and
latched but no longer active. A virtual alarm is any of the following function block types:
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Inputs
Instantaneous Variables
ANSI
Counters
Timers
Internal Counters
Logic Functions
Logic functions: Contains truth tables to alter the behaviour of the virtual alarms using ‘AND’, ‘OR’ and
‘NOT’ gate logic.
Double click on the ‘Inputs’ folder and by holding down the left mouse button, drag across the
‘Virtual.1’ function block. The following window will appear:
Type ‘Enable Remote Control’ in the ‘Label 1’ section.
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Select ‘active when closed’ from the ‘Type of Al. 1’ drop down.
Type ‘0’ in the ‘ON delay of Al. 1’ section.
Please ensure the settings and information entered looks like the below:
Click ‘OK’. This input has been set up to enable remote or local control via a supervisory system.
We’ll demonstrate this later.
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Drag ‘Virtual.2’ to the window just below the input you’ve have just configured:
Ensure the data is assigned and entered as the following:
Click ‘OK’. This input will act as a start network command for the DOL starter when remote
control is enabled (through the supervisory system).
Drag ‘1.R2.1’ function block to the window just below the inputs you’ve have just configured:
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Click ‘OK’. This input will act as a start pushbutton command for the DOL starter
when local control is enabled (through the supervisory system).
Double click on the ‘Logic Functions’ folder and drag across the ‘Truth table 1’ function block.
A message will pop up and prompt you to derive the logic in a ‘graph’ or ‘truth table’ format’. Click
‘graph’.
Type ‘Enable Start Logic’ in the ‘Label 4’ section and click ‘OK’. We’ll come back to
this function block to derive the logic.
Double click on the ‘Counters’ folder and drag across the ‘Counter 1’ function block.
Click ‘OK’.
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The following functions blocks will be used to define the ‘start’ logic for a DOL starter. More on
this later.
Under the ‘Inputs’ folder, drag across the ‘Virtual.3’ function block.
Click ‘OK’.
This input will act as a stop network command for the DOL starter when remote
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Drag across the ‘1.R2.2’ function block.
Click ‘OK’.
This input will act as a stop pushbutton command for a DOL starter when local control is enabled
(through the supervisory system).
Under the ‘Logic functions’ folder, drag across the ‘Truth Table 2’ function block.
Again select ‘graph’, type ‘Enable Stop Logic’ and click ‘OK’.
Double click on the ‘ANSI’ folder and drag across the ‘Thermal Image 49’ function block.
You will notice this window contains the same parameter settings as the ‘Wizard d)’ section. Type
‘TCU % Trip’ in the ‘Label 9’ section, leave the rest of the settings as they are and click ‘OK’.
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Under the ‘Inputs’ folder, drag across the ‘Main.1’ function block.
Unlike the pushbutton and network inputs, set the ‘Alarm 1 enable’ from ‘Enabled’ to ‘Enabled and
Latched’.
Type ‘Remote Trip’ next in the ‘Label ‘10’ section. Ensure the rest of the data is assigned and
entered as the following:
Click ‘OK’.
This input has been set up to act as a remote trip. This could be an output from a field device such as a
limit or vibration switch.
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The following function blocks will define the ‘stop’ logic for a DOL starter. We’ll come back to
this later.
Under the ‘Inputs’ folder, drag across the ‘Virtual.4’ function block.
Click ‘OK’.
This input will act as a reset network command for the DOL starter when remote
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Drag across the ‘3.EL.1’ function block.
Click ‘OK’.
This input will act as a stop pushbutton command for a DOL starter when local control is enabled
(through the supervisory system).
Under the ‘Logic functions’ folder, drag across the ‘Truth Table 3’ function block.
Again select ‘graph’, type ‘Enable Reset Logic’ and click ‘OK’.
The following function blocks will define the ‘stop’ logic for a DOL starter. We’ll come back to
this later.
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Double click on the ‘Digital outputs’ folder and drag across the ‘Main.1’ function block. Ensure
‘NO’ is selected as the ‘working mode’, label it as ‘Contactor’ and click ‘OK’.
This output will be controlling the contactor operation in the DOL starter.
Under the ‘Digital outputs’ folder, drag across the ‘Latch reset’ function block. Click ‘OK’.
This will be used to reset any alarms that are enabled and latched but no longer active.
Ensure the function blocks are re-arranged as the following:
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To link the function blocks, click on the black bold line with the left mouse button, hold it down and
drag it to another function block’s black bold line.
Note: Function blocks with the black bold line to the right of the function block can only be linked to
function blocks with the black bold line to the left of the function block.
E.g.
Link the ‘Enable Remote Control’ function block to ‘in 1’ of the ‘Enable Start Logic’ function block.
Then link ‘Network Start Input’ and ‘Start Pushbutton Input’ function blocks to ‘in 2’ and ‘in 3’ of the
‘Enable Start Logic’ function block respectively.
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Link the ‘Enable Stop Logic’ function block’s output (bold line to the right of this function block)
to ‘in 4’ of the ‘Enable Start Logic’ function block.
Proceed to complete the following links:
Link ‘Enable Remote Control’ to ‘in 1’ of ‘Enable Stop Logic’.
Link ‘Network Stop Input to ‘in 2’ of ‘Enable Stop Logic’.
Link ‘Stop Pushbutton Input’ to ‘in 3’ of ‘Enable Stop Logic’.
Link ‘TCU % Trip’ to ‘in 4’ of ‘Enable Stop Logic’.
Link ‘Remote Trip’ to ‘in 5’ of ‘Enable Stop Logic’.
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Proceed to link:
‘Enable Start Logic’ output to ‘act’ of ‘Motor On’.
‘Enable Stop Logic’ output to ‘rst’ of ‘Motor On’.
‘Motor On’ output to ‘out 1’ of ‘Contactor’.
‘Enable Remote Control’ to ‘in 1’ of ‘Enable Reset Logic’.
‘Network Reset Input’ to ‘in 2’ of ‘Enable Reset Logic’.
‘Reset Pushbutton Input’ to ‘in 3’ of ‘Enable Reset Logic’.
‘Enable Reset Logic’ output to ‘rst’ of ‘Latch Reset’.
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Ensure your configuration matches the following:
Now that all the function blocks are linked, the ‘Truth Table’ logic needs to be set.
Right click on the ‘Enable Start Logic’ truth table function block.
Expand the window and ensure the logic is set as per the following:
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Can you work out how the logic being performed? If not, please ask the lab instructor to explain.
Click ‘OK’.
Right click on the ‘Enable Stop Logic’ truth table function block.
Expand the window and ensure the logic is set as per the following:
Again see if you can identify how the logic is defined.
Finally, right click on the ‘Enable Reset Logic’ function block and set the logic as per the following:
Click ‘OK’.
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You can now save this configuration as a ‘pre-defined configuration’ for later use. Click on the
button in the bottom right hand corner. The following window will
appear:
Click on the
, label it ‘Special DOL’ and click ‘OK’. You have
successfully created a custom pre-defined configuration. Click the ‘Close’ button.
Building a Custom Configuration from a Pre-defined Configuration
Highlight the custom configuration by holding down the left mouse key and hovering over all
the function blocks. Then push the DEL button on the keyboard to remove this configuration.
Click on the
click on the
button again, select ‘Special DOL’ from the list and then
button. The window on the following page will appear:
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Note: Expand the window to view the complete configuration
Just as the inputs and outputs were assigned for the ‘DOL starter’ pre-defined configuration
earlier in the lab, we need to do the same with this custom pre-defined configuration. Please
assign as per the following:
Enable Remote Control – Virtual .1
Network Start Input – Virtual.2
Start Pushbutton Input – 1.R2.1
Network Stop Input – Virtual.3
Stop Pushbutton Input – 1.R2.2
Remote Trip – Main.1
Network Reset Input – Virtual.4
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Reset Pushbutton Input – 3.EL.1
Contactor – Main.1
Click ‘OK’.
You will notice this pre-defined configuration is the same configuration you created earlier.
For this configuration, we want to customise it by performing the following:
Double click on the ‘ANSI’ folder and drag across ‘I IMB%’.
Type ‘Current Imbalance Trip’ in the ‘Label 14’ section, leave the rest of the settings as they are and
click ‘OK’.
Note: The default settings for ‘I IMB %’ are if the current imbalance exceeds 50% for a delay time of
3 seconds, this ANSI alarm will activate.
Link the ‘Current Imbalance Trip’ ANSI function block to ‘in 6’ of the ‘Enable Stop Logic’ truth table
function block.
‘in 6’ isn’t defined within the ‘Enable Stop Logic’ truth table function block. Right click on the ‘Enable
Stop Logic’ function block.
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Drag across ‘IN 6’ and link it to the left hand side of the ‘OR’ function block (see below).
Click ‘OK’.
Under the ‘Logic Functions’ folder, drag across ‘Truth Table 4’ function block. This time, select ‘truth
table’.
Label it ‘Enable Stop Logic 2’ and then click OK.
Under the ANSI folder, drag across the ‘Leakage Current 64EL’ function block. Set the parameters as
per below:
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Under the ‘Inputs’ folder, drag across the 2.R2.1 function block.
This input has been configured as a PT100 RTD input. It has been configured so when the input in
measuring above 60°C, it will activate this alarm. The alarm will latch and cannot be reset until the
temperature is below 45°C (ensure the ‘alarm enable’ is ‘Enabled and Latched’). This is how the ‘UP
Control’ input type is defined.
Click ‘OK’.
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Note:
Up Control: When the measured value exceeds the
‘Over Level’ and after the ‘ON delay’ time expires, this
alarm will activate. The alarm will not reset until the
measured valued drops below the ‘Under Level’.
Down Control: This input type is the reverse of Up
Control. When the measured value drop below the
‘Under Level’ and after the ‘ON delay’ time expires, this
alarm will activate. This alarm will not reset until the
measure value exceeds the ‘Over Level’.
In Control: This alarm will activate when the measured
value is in between the ‘Under’ and ‘Over’ levels and after
the ‘ON delay’ time expires. This alarm will reset once the
measured value is above the ‘Over Level’ or below the
‘Under Level’.
Out Control: This input type is the reverse of ‘In Control’.
This alarm will activate when the measured value is
outside the ‘Under Level’ or ‘Over Level’ and after the
‘ON delay’ time expires. This alarm will reset only when
the measured value is above the ‘Under Level’ and
below the ‘Over Level’.
These ‘Input types’ are available for all instantaneous variables and PT100 inputs’.
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Drag across the 2.R2.2 function block.
This time, the ‘Input type’ has been programmed for ‘Out Control’. If the measured temperature
drops below -5°C or exceeds 60°C, this alarm will activate.
Click ‘OK’.
The ‘Enable Stop Logic 2’ truth table function block still needs to be defined. It will be defined so it’s
coordinated with the ‘Enable Stop Logic’ function block.
Link the following:
‘Enable Stop Logic’ output to ‘in 1’ of ‘Enable Stop Logic 2’
‘Earth Leakage Trip’ to ‘in 2’ of ‘Enable Stop Logic 2’
‘PT100 Input 1’ to ‘in 3’ of ‘Enable Stop Logic 2’
‘PT100 Input 2’ to ‘in 4’ of ‘Enable Stop Logic 2’
‘Enable Stop Logic 2’ output to ‘rst’ of ‘Motor On’
Left click on link between the ‘Enable Stop Logic’ output and ‘rst’ of ‘Motor On’ and then press the DEL
button on the keyboard.
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Left click on link between the ‘Enable Stop Logic’ output and ‘in 4’ of ‘Enable Start Logic’ and then press
the DEL button on the keyboard.
Link ‘Enable Stop Logic 2’ output to ‘in 4’ of ‘Enable Start Logic’.
Right click ‘Enable Start Logic’. You will notice ‘IN 4’ has been replaced by ‘IN 6’. The truth tables will
default an input to ‘IN 6’ when it’s deleted from the truth table in the Connections window.
Click on ‘IN 6’ and press DEL on the keyboard. Drag across ‘IN 4’ and connect it to the same ‘NOT’
function block ‘IN 6’ was just connected to.
Right click on ‘Enable Stop Logic 2’.
For this ‘function block’ we set the logic in a truth table format. Set the all the ‘OUT’ values to ‘1’
(except the first ‘OUT’ value) by clicking on it. Clicking on the ‘OUT’ values toggles them from ‘0’ to ‘1’
and vice versa.
Click ‘OK’.
It is easier and recommended to use the ‘graph’ method to program the ‘truth table’ function blocks.
However, the ‘truth table’ method is also available if this method is preferred.
Click
.
You have successfully built a custom configuration from a pre-defined configuration.
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Lab Workshop No. 4
Downloading a configuration to an AmpCom system.
Ensure the working demo is still connected to the software by confirming the following is present:
Ensure the saved ‘AmpCom Lab’ configuration listed in the ‘Configurations window’ is highlighted.
Click on the
icon.
Select the ‘Export to device’. A warning message may appear - Click ‘OK’.
The software will take a few moments to download the configuration to the working demo.
You have successfully downloaded a configuration the AmpCom system.
Testing and monitoring an AmpCom system with the configuration software.
To view and test that the configuration you just downloaded to the AmpCom system, click on the
icon.
The window on the following page will appear:
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Along the top, you will notice there are variables grouped as ‘Current’, ‘Voltage’, ‘Power’, ‘Digital
Temperature’ and ‘Operating Values’.
Feel free to view how each tab is structured.
For this lab, we’ll be only focusing on the ‘Current’ and ‘Digital Temperature’ tabs.
Along the right hand side, you will notice all the virtual alarms that have been programmed to the
AmpCom system.
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Before we begin to test, ensure the following is set for the ‘Control Inputs’ on the working demo:


DMPU main module’s switch No. 1 is in the down position.
Ensure both DMPU-R2 B dials and the DMPU-EL C dial are at the 9 o’clock position.
Please also ensure the following is set for the ‘Motor + Load Simulator’ on the working demo
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Ensure the U, V & W dials are in the right most positions.
Ensure the LOAD dial on the Motor + Load simulator is in the left most position.
Press the DMPU-EL C input 2 once.
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Click on the ‘Current’ tab within the ‘Monitoring’ window.
Push the DMPU-R2 A input 1. You will notice the following:
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The contactor closes
LED 1 below the DMPU-05 turns on
‘Motor ON’ virtual alarm become active
To stop the motor, push the DMPU-R2 A input 2. This time you will notice:
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The contactor opens
LED 1 below the DMPU-05 turns off
‘Motor ON’ virtual alarm become inactive
Start the motor again and begin to rotate the LOAD dial in a clockwise rotation. Rotate it to the 3 o’clock
position. You will begin to see line currents I1, I2 & I3 to increase as well as the average current I+.
You will also notice the TCU % begin to increase. This value represents the ‘Thermal Capacity
Utilised’ of the motor connected. Once it reaches 100%, it will activate the Thermal Image virtual alarm
and consequently drop out the contactor.
Move the LOAD dial to the right most position. The current now being drawn should be around 50A, the
TCU% will rapidly increase and you will notice the following





TCU % Trip virtual alarm will activate
Enable Stop Logic and Enable Stop Logic 2 virtual alarms will activate
Motor On virtual alarm will deactivate
Contactor will drop out
LED 1 below the DMPU-05 turns off
To start the motor again, we need to reset these virtual alarms. Before we do though, rotate the
LOAD dial to the left most position again.
Push the DMPU-EL C input 2 to reset all the alarms. You will notice all the virtual alarms deactivate.
To simulate a remote trip, push the start button, then move the DMPU main module input 1 switch
in the up direction. You will notice the contactor drop out and the Remote Trip virtual alarm
activate.
Move the switch in the down direction and reset the fault.
To simulate a current imbalance fault, push start, and begin to move the W dial in the anti-clockwise
direction until you read a value > 50% next to IIMB. You will notice after three seconds, the contactor
drops out again. Which virtual alarm is active?
Products Pty. Ltd.
Page 49
You can also view the temperature feedback values from the PT100 inputs by clicking on the
Digital/Temperature tab. Rotate the DMPU-R2 B input 1 dial in the anti-clockwise direction. You will
notice the temperature begin to increase and once you exceed 60, the PT100 Input 1 virtual alarm
will activate.
You have successfully tested and monitored values from an AmpCom system using the configuration
software.
Testing and monitoring an AmpCom system with over a supervisory system.
In the next part of this lab, you will be require to used Adroit SCADA software to monitor and control
an AmpCom system.
Adroit natively supports Modbus commands and AmpCom can be easily integrated within its system.
Close the configuration software and double click on the
Double click on the
prepared.
icon. Click ‘OK’.
icon. This will open the Adroit User Interface that has been pre-
Once loaded, click anywhere to proceed.
The following window will then appear:
Products Pty. Ltd.
Page 50
To proceed to control the AmpCom system via this software, you will need to click on the ‘Local/Remote’
button and wait for the ‘Local Control Enabled’ status to change to ‘Remote Control Enabled’.
Proceed to start and stop the motor via the software by clicking the buttons and see the different
variables change.
Simulate an Earth Leakage trip by gradually moving the DMPU-EL C dial to the right most position.
Notice the ‘Earth Leakage Current (mA)’ begin to increase. Once it reaches 3000 mA it’ll trip the
contactor after a delay of 1 second.
You have successfully tested and monitored an AmpCom system via a supervisory system.
Contact to lab instructor if you’re interested in finding out more about Adroit.
Products Pty. Ltd.
Page 51

AmpCom Hands-On Training lab

Transcription

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