COMM Module 7510 error

I am from Atlas Copco and we have a compressor with our controller Mk4 and ABB ACS800 main motor drive and ACS355 for dryer motor and ACS800 drive for fan motors.

Due to to some reason customer repaired the main motor drive with ABB and after fixing the drive we are facing Comm Module fault trip on ABB drive controller HMI( BOP). and we set drive station ID, board reate and parity are as per master. but issue same.
we try to start the drive in local mode is fine and the issue on remote mode.
we replaced RS485 connector and cable but issue same.
we replaced Modbus card, and RDCU card also.

please advice some solution

Thanks,
Santhosh B
Mobile- +966 541730218

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santhosh08071990 Rank: 6829

Asked 3 months ago

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Hi
I have many years ago a similar issue. The origin of the problem are inside a special FW that Atlas Copco has developed with ABB for the control of the fan motor, special FW is used by Atlas Copco when ABB drives are used. In fact, you can start the drive in local, but not in remote because the Atlas Copco MK4 probably need this special FW inside the drive to communicate.

I suggest you to verify if your compressor serial number need this special feature.

BR

Flavio

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Flavio Mussolin AKS expert

Rank: 4

Answered 3 months ago

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COMM Module 7510 error

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