Sensor Fault Conditions - Emerson Net Safety Millennium II Reference Manual

Reference Manual
MAN-0076, Revision 09
6.7.2

Sensor fault conditions

Fault conditions that the various Millennium II sensors detect are as follows:
Fault condition
Zero calibration failure
Span calibration failure
Low temperature
High temperature
Low power
High power
Replace sensor
Zero drift
Signal invalid
Over-range
Memory fault
Power supply fault
Sensor end of life
Sensor weak signal
Sensor thermistor fault
Monitoring and outputs
SC310 SC311 ST322 ST332 ST340 ST320 ST330 ST341 ST360
P P P
P P P
P P
P P
P P P
P P P
P P P
P
P
P
P P P
P P P
P P
P P
P
Monitoring and outputs
P P
P P P
P P
P P
P P
P P
P P P
P
P
P P P
P P
P P
P P
June 2016
P P P
P P P
P P P
P P P
P P P
P P
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