PL-C1050-WLC (Water Loop Controller)
INT Port: Incoming RS485 Network
communication (Modbus)
NET Port: Incoming RS485 Network
communication (Modbus)
Auxiliary Digital Input
Supply water temperature sensor (10K thermistor)
Common for all the inputs
Return water temperature sensor (10K thermistor)
Auxiliary temperature sensor (10K thermistor)
Output 5 - Water Tower Stage 2
(Analog 0-10 VDC)
Output 4 - Water Tower Stage 1
(Digital - ON/OFF)
Output 3 - Spray Pump
(Digital - ON/OFF)
Output 2 - Valve / Damper / Cooling
(Digital - ON/OFF)
Output 1 - Boiler
(Digital - ON/OFF)
Power source of the controller
(24VAC)
DO1
DO2
DO3
DO4
AO
DO124V DO2 DO3 DO4 AO HBEAT STAT
NETREC NETSND INTREC INTSND
UI1
UI2
COM
UI3
DI
-
24VAC
COM
INT
+
B
NET
A
RS485
NET
RS485
INT
4-23
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