4-20Ma Output Signal Ranges And Fault Conditions - Honeywell Apex Technical Handbook

MAN0604_Issue 09_02-2013
2110M8030

4.6.3 4-20mA output signal ranges and fault conditions

General Fault
Type
Faults
Warnings
Over range
Warnings
Inhibit
4. OPERATION
Overrange
Pulsed warnings
Warnings
Output Signal Level
0 - 0.5mA
(default is 0.5mA)
1.0 - 3.5mA
- constant
4.0 - 6.0mA
(default is 3mA)
20 - 21.5mA
(default is 21mA)
-
22
.
.
20
.
.
Concentrations
6
5
4
3
2
1
Inhibit
0.5
Fault
0
mA
Fault Conditions
Sensor Failed
No Cartridge
Wrong Cartridge
Cartridge Failed
Temperature Error
End of Cell Life
Calibration Needed
No Sensor, Sensor
Comms Fail
Fatal Fault
Temperature Error
- pulsed 1/sec
Gas Reading exceeded
full scale
Locks relays and outputs
80
End of Cell Life
Calibration Needed
Apex