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What can cause an COF code or CANopen fault on the ATV312 drives?

Issue:
What can cause an COF or CANopen fault on the ATV312 drives?

Product Line:
Altivar ATV312

Environment:
All 

Cause:
• Interruption in communication on the CANopen bus

Resolution:
Drives Programming check the CANopen Address and bit rate settings in the communications menu. 

Wiring:  Make sure you are using correct Purple CANopen cables and TAPs.   Follow the maximum wiring distances for any CANopen cable lengths.   See the attached document on wiring examples. 

 
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