39
SPM Flex Gas Detector
Inhibit Modes
Parameter
Inhibit -
None
Inhibit -
Alarms
Only
Inhibit
- Faults
Only
Inhibit -
Alarms &
Faults
Inhibit -
All
4-20 mA Operation
1
Concentration > Full
Scale
Over-range
Level
Over-range
Level
Over-range
Level
Over-range
Level
Inhibit Level
Concentration Above
Alarm Threshold
Concentration
Level
Concentration
Level
Concentration
Level
Concentration
Level
Inhibit Level
Instrument Fault < 1 mA < 1 mA #N/A #N/A #N/A
Non-Zero Concentration
Concentration
Level
Concentration
Level
Concentration
Level
Concentration
Level
Inhibit Level
Maintenance Fault
Maint Fault
Level
Maint Fault
Level
#N/A #N/A #N/A
Simulated Instrument
Fault
< 1 mA < 1 mA #N/A #N/A #N/A
Simulated Maintenance
Fault
Maint Fault
Level
Maint Fault
Level
#N/A #N/A #N/A
Zero Concentration 4 mA Inhibit Level Inhibit Level Inhibit Level Inhibit Level
Out Of Monitor 4 mA Inhibit Level Inhibit Level Inhibit Level Inhibit Level
Other I/O Behavior
2
Red LED Yes Yes Yes Yes Yes
Yellow LED Yes Yes Yes Yes Yes
Alarm 1 Relay Yes No Yes No No
Alarm 2 Relay Yes No Yes No No
Any Alarm Relay Yes No Yes No No
Maintenance Fault Relay Yes Yes No No No
Instrument Fault Relay Yes Yes No No No
Any Fault Relay Yes Yes No No No
Buzzer Yes
Yes
3
Yes
4
No No
LCD - Alarm Yes Yes Yes Yes Yes
LCD - Fault Yes Yes Yes Yes Yes
LCD - Concentration Yes Yes Yes Yes Yes
Web - Alarm Yes Yes Yes Yes Yes
Web - Fault Yes Yes Yes Yes Yes
Web - Concentration Yes Yes Yes Yes Yes
MODBUS/TCP - Alarm Yes No Yes No No
MODBUS/TCP - Fault Yes Yes No No No
MODBUS/TCP -
Concentration
Yes Yes Yes Yes No
Event History Yes Yes Yes Yes Yes
1
Conditions are listed with the highest priority at the top� The 4-20 mA output will take the state of the highest priority
applicable condition that is present�
2
Yes = operates normally
Yes with conditions = active only under some conditions
No = not active
3
For real and simulated faults only
4
For real and simulated alarms only
To Next Page
Loading...
Need help?
General
