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