Parker AC890 Product Manual page 220

Frame g, h & j

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Trips Table – COMMS FAULT Messages

890SD Standalone Drive - Frames G, H & J

The drive has not responded to a message

from the 6901

Incorrect reply from drive following a

selection (command) message from the 6901

Parity error in message received from the

drive by the 6901

Format of message received from the drive by

the 6901 is incorrect

BCC (block check character) in message

received from the drive by the 6901 is

Length of message received from the drive by

the 6901 is incorrect (too many characters)

Trips and Fault Finding

Possible Reason for Trip

Drive CPU busy.

Unexpected, due to electrical

interference

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