Mounting and Wiring
Signal Wiring

26 UMC800 Controller Installation and User Guide Release F

4/01
Field wiring for one pH sensor input (module ID C)Figure 14 indicates the recommended wiring for one pH sensor input. Note that two analog input channelsare required, one for the pH sensor and one for temperature. Similar wiring may be used for additionalsensors. A UMC800 controller can accommodate 2 power modules for a total of up to 8 pH inputs.
1
12
1
12
1 C

Analog Input

Module

+
COM
-
pH 1 Sensor
mV
pH 1 Sensor
Temp
+
-C
-
-
C
+
+

+

-
+
C

-

Mod 1 Mod 4

Green
Black
Blue
White/Black
(Unused)
Orange
Red/Black
Red
White
Jumper
UMC800 Shield Connector Kit
Part No. 51309814-501

Power Supply Module

UMC800 Controller

Figure 14 Recommended wiring for one pH sensor input