Delta ASD-A3-0121, User Manual

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Troubleshooting ASDA-A3
11-36
Revision December, 2017
11
How to clear the
alarm?
NMT: reset node or 0x6040 (fault reset).
AL180 CANopen heartbeat or NodeGuarding error
Trigger condition
and causes
CANopen communication is cut off resulting in Heartbeat or NodeGuarding
error.
Checking methods
and corrective
actions
1. Check if the CANopen communication is normal.
2. Check if the wiring is correctly connected.
How to clear the
alarm?
NMT: reset node or 0x6040 (fault reset).
AL185 CAN Bus hardware error
Trigger condition
and causes
Condition: CAN Bus is cut off or Rx/Tx Counter error occurs more than 128
times.
Cause: CAN Bus hardware error.
Checking methods
and corrective
actions
1. Check if the communication cable for CAN Bus is connected.
2. Check the communication quality; it is suggested that you use common
grounding and shielded cable.
How to clear the
alarm?
NMT: reset node or 0x6040 (fault reset).
AL186 CAN Bus Off
Trigger condition
and causes
Transmission error in CAN data.
Checking methods
and corrective
actions
1. Check if the cable is well connected and whether there is any noise
inference. Replace the communication cable or eliminate the noise if
necessary.
2. There are an excessive number of the slave stations, and the
communication cycle is too short. Please lengthen the communication
cycle.
How to clear the
alarm?
NMT: reset node or 0x6040 (fault reset).