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What can cause an CFC or cabinet circuit C error on the ATV630 and ATV930 Process drives?

Published date: 25 September 2018

Issue:
What can cause an CFC or cabinet circuit C error on the ATV630 and ATV930 Process drives?

Product Line:
ATV630 and ATV930 Process drives

Environment:
All 

Cause:
The monitoring function has detected an error on the digital input assigned to [CabinetCircuit C Assign].
CFC is active when the detected error duration longer than [CabinetCircuit B Delay] FdC.


Resolution:

The fault can only appear if a cabinet input has been configured as Cabinet Circuit C error.
The stop type when the fault appears is configurable.
The acquisition time of LI is 2ms.
Probable cause:
The monitoring function has detected an error on the digital input assigned to [CabinetCircuit C Assign].
CFC is active when the detected error duration longer than [CabinetCircuit B Delay] FdC.
Remedies:
• Check the connected device (door switch, thermal switch,…) and its wiring.
• Check the parameters CFAC (high/low assignment of the cabinet IO)

 

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