Chapter 13 Warning CodesCP2000
13-16
ID No. Display on LCD Keypad Warning Name Description
36
CANopen guarding
time-out (CGdn)
CANopen guarding time-out 1
Action and Reset
Action level
When CANopen Node Guarding detects that one of the slaves does not
response, the CGdn error displays.
The upper unit sets factor and time during configuration.
Action time The time that upper unit sets 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 N/A
Cause Corrective Actions
The guarding time is too short, or
less detection times
Increase the guarding time (Index 100C) and detection times.
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.
ID No. Display on LCD Keypad Warning Name Description
37
CANopen heartbeat
error (CHbn)
CANopen heartbeat error
Action and Reset
Action level
When CANopen Heartbeat detects that one of the slaves does not response, the
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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