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
4