CANopen Communication Module DVPCOPM-SL DVP-PLC Application Manual 35 Code Indication How to correct B0 Heartbeat timed-out Re-connect DVPCOPM-SL to the network. B1 PDO data length returned from the slave is not consistent with the length set in the node list. Reset the PDO data length in the slave and download the new setting to DVPCOPM-SL. F4 Bus-off is detected Make sure the communication cable is in normal operation, and all the nodes on the network work in the same baud rate. Re-power DVPCOPM-SL. FB The sending buffer in DVPCOPM-SL is full. Make sure the bus works normally and re-power DVPCOPM-SL. FC The receiving buffer in DVPCOPM-SL is full.
Make sure the bus works normally and re-power DVPCOPM-SL.