4/20 Ma Loop Test - Honeywell Manning AirScan iR Instruction And Installation Manual

4/20 mA Loop Test

{22 mA full-scale and .5 mA fault check}
Start: Press S1 5 times within a two to three second
period of time. The yellow "system" LED will turn off
and the yellow "calibrate" LED will blink fast. See the
following example. Output should be 21 to 22.5 mA.
Figure 15. 22 mA Full Scale Ouptut Test
AirScan iR - Industrial
To proceed to the next step in the mA test, press
and hold S1 for 1 second or more until the yellow
"calibrate" LED is a medium double blink. See the
following example. The output should be between .4
and .6 mA.
Figure 16. 0.5 mA Fault Output Test
Exit: Press and hold S1 for 1 second or more until the
yellow "system" LED resumes the state before the mA
test was initiated and the yellow "calibrate" LED turns
off.
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