Chapter 13 Warning CodesC2000 Plus
ID No. Display on LCD Keypad Warning Name Description
37
CANopen heartbeat
error (CHbn)
CANopen heartbeat error
Action and Reset
Action condition
When CANopen Heartbeat detects that one of the slaves
CHbn error shows.
The upper unit sets the confirming time of producer and consumer during
configuration.
Action time
The upper unit sets the confirming time of producer and consumer during
configuration.
Warning setting parameter N/A
Reset method Manual reset
Reset condition The upper unit sends a reset package to clear this fault
Record When Pr.00-21≠3, CHbn is a “Warning”, and the warning is not recorded
Cause Corrective Actions
The heartbeat time is too short Increase heartbeat time (Index 1016)
Malfunction caused by
interference
1.
Verify the wiring and grounding of the communication circuit. It is
recommended to separate the communication circuit from the main circuit,
or wire in 90 degree for effective anti-interference performance.
2. Make sure the communication circuit is wired in series.
3. Use CANopen cable or add terminating resistance.
Communication cable is broken or
bad connected
Check or replace the communication cable.
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