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4.8 Output Terminal Status
Condition
Power Off
Power On, No Gas
Power On, Gas (Level 1)
Power On, Gas (Level 2)
Power On, Fault
Power On, Alarm Test
Power On, Verify
Power On, Tape Load
Power On, No Gas, Relay Disable
Power On, Gas, Relay Disable
Power On, Fault, Relay Disable
Power On, Alarm Test, Relay Disable
Power On, Verify, Relay Disable
Power On, Tape Load, Relay Disable
SPM Technical Handbook
Alarm Relay Terminals
Alarm Level
Alarm Level
*Instrument
1
2
N/O
N/C
N/O
N/C
N/O
O
C
O
C
O
O
C
O
C
C
C
O
O
C
C
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
O
C
C
O
C
O
C
C
O
C
O
C
O
O
C
O
C
O
O
C
O
C
O
O
C
O
C
O
O
C
O
C
O
O
C
O
C
O
SPM Single Point Monitor
Fault
N/C
C
O
O
O
C
O
O
O
C
C
C
C
C
C
4-7
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Troubleshooting
