MODEL 140,141, and 142 sensors

WIRING

WIRING

All 140 series sensors have a junction box mounted on the back of the sensor. Wiring connections in the junction box are shown in Figure 5.

CABLE

GRAY

9

8

7

6

5

4GRAY

3

2

1

MODEL 140 SERIES

Figure 5. Sensor junction box wiring. Terminals in the junction box are not numbered.

141 and 142 sensors have one gray wire (shown). The 140 sensor has two gray wires attached to the terminal.

WIRE COLOR AND CONNECTIONS IN SENSOR

COLOR

FUNCTION

 

Gray

Connects to outer electrode

 

 

 

Clear

Coaxial shield for gray wire

 

 

 

 

Orange

Connects to inner electrode

 

 

 

Clear

Coaxial shield for orange wire

Red

 

 

 

 

 

 

RTD in

 

 

 

 

 

 

White with red stripe

RTD

 

 

 

 

 

RTD sense

 

 

 

 

 

 

 

 

 

 

 

 

 

White

 

 

 

 

 

 

RTD return

 

 

 

 

 

 

Clear

Shield for all RTD lead wires

 

 

 

 

 

 

 

 

WIRING DIAGRAMS

FIGURE 6. Model 54eC Wiring

FIGURE 7. Model 1056 and 56 Wiring

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Emerson 142, 141, 140 instruction sheet Wire Color and Connections in Sensor, Wiring Diagrams