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1-48
IM MV1000-01E
1.10 FAIL/Status Output Functon (/F1 Opton)
FAIL Output
When a failure occurs in the MV CPU, the MV outputs a relay contact signal (1 signal).
The relay is energized when the CPU is normal and de-energizes when a CPU failure
occurs. Therefore, relay output is carried out when the power is turned OFF (or when
there is a power failure). You cannot change this behavior.
Relay Operaton
NO
C
NC
During normal operation
NO
C
NC
When a failure occurs
NO
C
NC
When power is turned OFF
* NO: Normally Opened, C: Common, NC: Normally Closed
If a failure occurs, contact your nearest YOKOGAWA dealer for repairs.