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10 Communication Settings Procedure
10.1 J1939 Communication Mode
80
FX
3U
-J1939 User's Manual
10.1
J1939 Communication Mode
When using J1939 Communication Mode, the outline of the communication setting procedure is as follows.
For further information on BFMs, refer to Chapter 5
For further information on data transfer location and configuration, refer to Chapter 6
For further information on the CIF, refer to Chapter 9
For example program, refer to Chapter 11
Step 1
Set the following:
Refer to Chapter 5
- Function mode (BFM #21)
Step 2
1) Set the following:
Refer to Chapter 5
- Baud rate (BFM #24)
- Reset module (BFM #25 = K1)
- Arbitrary address capable flag (BFM #25 bit 2)
- FROM/TO Watchdog Timer (BFM #26)
- Node address (BFM #27)
2) Reset module
Refer to Chapter 5
- BFM #25 = K1
OR
- Power cycle
Step 3
Set the following:
Refer to Chapter 5, Chapter 6, Chapter 8 and Chapter 9
- Tx/Rx user messages BFM #500 to #973
- FX
3U
-J1939 ECU name BFM #40 to #48
- Remote Address to ECU Name assignment BFM #3000 to #3879
- RUN>STOP messages #1900 to #1927
Step 4
Save Configuration to FLASH ROM (BFM #22 bit 1 = ON)
Refer to Chapter 5
Step 5
Set FX
3U
-J1939 to online mode (BFM #25 bit 4 = ON)
Refer to Chapter 5
Step 6
The FX
3U
-J1939 is exchanging data with the network
- The user messages are exchanged with the remote nodes.
- Acyclic Command Interface services are available
- Configured RUN>STOP messages are transmitted in case of
PLC RUN to STOP status change