ABB FSCA-01 Manual page 17

7 TIMEOUT MODE
Defines which Modbus register accesses reset the timeout
counter.
(0) NONE Modbus timeout feature is disabled.
(1) ANY MESSAGE Timeout counter is reset when any
Modbus register of the drive is accessed.
(2) CONTROL WRITE Timeout counter is reset when the drive
receives either a new Control Word or new Reference value
(REF1 or REF2) from the Modbus master.
8 OK MESSAGES
Number of valid messages that the drive has received.
9 CRC ERRORS
Number of messages with a Cyclic Redundancy Check (CRC)
error that the drive has received. If the number is high, check the
CRC calculation for possible errors.
Note: High electromagnetic noise levels may generate errors.
10 UART ERRORS
Number of messages that the drive has received with other
communication errors.
11...20 Reserved
17
Drive configuration