Introduction to Configuring the PRM Master DTM
Original instructions
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At a Glance
The PRM Bus Master uses the Control Expert I/O Scanner to communicate with the CPU through an Ethernet port. This requires configuring the PRM Master DTM in the Control Expert Ethernet I/O Scanning tab.
Configuring a PRM Master DTM
The following procedure configures a PRM Master DTM in the I/O Scanner:
Step
Action
1
Install the PRM Master DTM on the Host PC.
NOTE: After installing new DTMs, the Hardware Catalog must be updated.
2
Add a PRM Master DTM to the connectivity tree in the DTM Browser using the contextual Device menu service.
3
In the DTM Browser, select the PRM Master and use the contextual Device menu function to open the DTM PRM Offline Parameter screen.
4
In the General Setting part of this screen set the IP address of the PRM device.
5
Open the I/O Scanning configuration editor (tab).
6
In the Module Utilities zone select YES for IO Scanning.
7
Select the I/O Scanning tab.
Results: I/O Scanning configuration editor opens.
8
Enter, on a free line, the IP address for the connection to be used to communicate with the PRM Bus Master.
9
Set correct values for the Read Ref. and Write Ref. parameters.
10
Enter RD length and WR length for the IP address line (within the Read Ref. and Write Ref. constraints).
NOTE: The lengths must be long enough for the expected configuration PRM Master DTM and its subnode DTMs.
11
Validate the I/O Scanning screen.
12
Click on the ... button (next to Device Name cell).
Results: The Property box opens.
13
Select DTM in the Device Type drop-down menu.
14
Select the protocol in the DTM Protocol drop-down menu.
15
Select a PRM Master DTM in the DTM Name drop-down menu.
16
Click on OK to validate the choices you made.
Results:
  • The Device Type, Device Protocol and Device Name are verified and saved.
  • The Property box closes.
17
Update the I/O Scanning line, refer to Updating I/O Scanning for a PRM Master DTM.
18
Build the Control Expert application.
19
Stop the PLC.
20
Transfer the Control Expert application to the PLC.
21
In the DTM Browser, right click on PRM Master and select the Connect function.
22
In the DTM Browser, right click on PRM Master and select the Store data to device function.
23
Run the application in the PLC.
Updating I/O Scanning for a PRM Master DTM
The following procedure updates the I/O Scanning information for a PRM Master DTM:
Step
Action
1
Configure and validate the PRM Bus Masters in the DTM Browser using the contextual Device menu function.
2
Open the I/O Scanning configuration editor (tab).
3
Click on the ... button (that is next to the Device Name of the PRM Master DTM to update).
4
In the open Property box, click on the Update button.
Results:
  • The PRM Master DTM modifications are synchronized with the Control Expert application.
  • The PRM Master DTM symbols are imported into the Control Expert Data editor.
  • The DTM Name is displayed in the I/O Scanning configuration tab in black. This indicates that the PRM configuration is synchronized.
  • The Property box closes.