TM 55-1930-209-14&P-19
Table 11-1. Major Components of Equipment Monitoring System (Continued)
Component
Quantity
Function
Location
12-volt gel cell
2
Connected in series, provides
ROWPU space, under
battery
24 Vdc power to EMS
main processor
Battery charger
1
Maintains batteries at full
ROWPU space, under
charge
main processor
Main power switch
1
Maintains batteries at full
ROWPU space, near
charge. Provides or disconnects
main processor
power to monitoring system
from batteries
Table 11-2. Equipment Monitoring System Sensor Data
Type
Data Sensed
Qty
Location
Analog
Amount of drinking water in
4
One in each drinking water
storage tanks
storage tank
Analog
Product water salinity
2
One on each RO block
(ROWPU #1 & ROWPU #2)
Analog
Drinking water salinity
1
Discharge pump output
(FW DISCHG)
Switch
Chlorination unit operating status
1
Chlorination unit
Switch
Chlorination unit power supply
1
Chlorination unit
failure
Switch
Recirculating pump operating
1
Chlorination unit
status
11-2
