Water Monitoring System
Ver.5.0 – Revision March 2022
Page
67
of
110
12.2
PAH
Note
For system serial numbers
<
103000 the PAH module interacts with the control and
monitor unit via a 4…20 analog input.
•
A G6110 module does not support any means of diagnostics via the 4…20 mA
signal.
•
A G6111 supports the following means of diagnostics via the 4…20 mA signal
– Figure 12-1.
Figure 12-1: mA Measurement using Multimeter – G6111 PAH Sensor
Fault Description
Observation on HMI
Measured mA
Sensor Error/Lifetime Warning
Alarm = PAH Signal Error
2
Calibration Error
Alarm = PAH Signal Error
3
Low Input
-10
4
Out of range
PAH > Sensor Range
21
Table 12-1: Analog Diagnostic Table – G6111 PAH Sensor