Chapter 8 Troubleshooting|VP3000
565
CANopen bus off error
(CbFE)
When CANopen card is not installed, CbFE fault will occur
When the master received wrong communication package, CbFE fault
occurs.
Too much interference on BUS.
When the CAN_H and CAN_L communication cable is short, the
master will receive wrong package, and CbFE fault occurs.
Fault Treatment Parameter
Check if the CANopen card is
installed
Make sure the CANopen card is installed.
Check if the CANopen speed is
correct
Reset CANopen speed (Pr. n2-02).
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 degrees for effective anti-interference performance.
2. Make sure the communication circuit is wired in series.
3. Use CANopen cable or add terminating resistance.
Disconnection or bad connection
of the cable
4. Check the cable and replace it if necessary.