Comm Module Fault
ABB · ACS800 Standard Firmware
What does 7510 mean?
Cyclical communication between the drive and the master control system is lost. This indicates a disruption in the fieldbus communication link, potentially due to incorrect parameter settings, physical cable issues, or a problem with the master device itself. Loss of communication can halt drive operation if the master control is critical.
Common Causes
- Communication module failure or malfunction.
- Faulty connection or wiring to the communication module.
- Internal error within the communication module's firmware.
- Power supply issue to the communication module.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Verify the status of fieldbus communication via the drive's display or fieldbus monitoring tools.
- 2
Check parameter settings in group 51 (COMM MODULE DATA) for the fieldbus adapter or group 52 (STANDARD MODBUS) for Standard Modbus Link.
- 3
Review Fault Function parameters 30.18 (COMM FLT FUNC) and 30.19 (MAIN REF DS T-OUT) for proper configuration.
- 4
Inspect all fieldbus cable connections for integrity, ensuring they are securely attached and undamaged.
- 5
Confirm the master device's ability to communicate on the fieldbus network by checking its operational status.