Delta MS300 Series User Manual page 508

ID No. Display on LCD Keypad
37
Action Condition
Action Time
Warning Setting Parameter
Reset Method
Reset Condition
Record
Cause
The heartbeat time is too short
Malfunction caused by
interference
Communication cable is broken or
bad connected
Warning Name
CANopen heartbeat
error (CHbn)
Action and Reset
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.
The upper unit sets the confirming time of producer and consumer during
configuration.
N/A
Manual reset
The upper unit sends a reset package to clear this warning.
When Pr.00-21 ≠ 3, CHbn is a "Warning", and the warning is not recorded.
Increase heartbeat time (Index 1016)
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.
Check or replace the communication cable.
499
Chapter 13 Warning CodesMS300
Description
CANopen heartbeat error
Corrective Actions