TM 10-4610-310-14
0069 00
Table 1. PLC Input Descriptions.
INPUT
DESCRIPTION
From low-level switch (input light is energized when level is OK)
(0)
From low-pressure switch (input light is energized when the pressure is OK)
(1)
(2)
From high-pressure switch PSH-3 (input light is energized when the pressure is high)
From high-pressure shutdown reset switch (input is energized when button is pressed).
(3)
From mode select switch (input is energized when switch is in BACKWASH position).
(4)
From mode select switch (input is energized when switch is in FAST FLUSH position).
(5)
From mode select switch (input is energized when switch is in MAINTENANCE position).
(6)
From heater ON/OFF switch (input is energized when switch is in ON position).
(7)
(8)
Spare
From raw water pump auxiliary M1-A (input is energized when raw water service pump is
(9)
not running (M1 starter not energized)).
From booster pump auxiliary M2-A (input is energized when booster service pump is
(10)
running (M2 starter energized)).
From backwash pump auxiliary M3-A (input is energized when backwash service pump is
(11)
running (M3 starter energized)).
From distribution pump auxiliary M4-A (input is energized when distribution service pump
(12)
(M4 starter energized)).
(13)
From booster pump switch (input is energized when switch is in AUTO position).
(14)
Backwash pump switch (input is energized when switch is in AUTO position).
(15) (23)
Spare
0069 00-2
