8400 StateLine C | Reference manual
System bus "CAN on board"
Monitoring
474
L
Firmware
≤
11.00 - DMS 8.0 EN - 10/2011
10.10.2.3 Commissioning example
Task
An 8400 controller (node 2) which is configured as heartbeat consumer is to monitor
another 8400 controller (heartbeat producer, node 1).
The heartbeat producer is to transmit a heartbeat telegram to the heartbeat consumer
every 10 ms.
The heartbeat consumer monitors the heartbeat telegram for arrival. A response is to
be activated in the event of an error.
Parameterising the heartbeat producer (node 1)
1. Set the heartbeat producer time (
C00381
) to 10 ms.
Parameterising the heartbeat consumer (node 2)
1. Set the CAN node address of the producer in
C00385/1
.
2. Set the heartbeat consumer time in
C00386/1
.
– Note: The heartbeat consumer time must be greater than the heartbeat producer
time of the node to be monitored set in
C00381
.
3. Set the desired response in
C00592/5
which is to be activated should a heartbeat event
in the consumer occur.
Tip!
C00347/1...n
displays the heartbeat status of the monitored nodes.
Heartbeat telegram
The heartbeat telegram of the producer has the following identifier:
Identifier (COB-ID) = 1792 + producer's node address = 1792 + 1 = 1793 = 0x701
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