GE Moisture Image 1 Series Service Manual page 22

Connecting Pressure
Transmitters (cont.)
Installing Optional Features
B. Connecting the Four-Wire or Self-Powered Transmitter
Use a four-wire non-shielded cable to make connections to the
terminal block labeled AUX on the back of the electronics unit (refer
to Figure 1-9). Use Table 1-6 below to make the proper pin
connections to the desired channel.
Note: Twisted-pair cables work well with this circuit.
Table 1-6: Transmitter Connections
Connect:
Negative Lead
Positive Lead
IMPORTANT: Connect the remaining leads to an external power
source.
Once you complete the pressure connections, you must set switch
block S1 on the Series 1 channel card(s) for either current or voltage,
depending on the type of pressure sensor you are using (refer to C.
Setting Input Switches on page 1-14).
June 2003
To AUX Terminal Block:
pin RTN
pin 2 (aux. input 2) or
pin 1 (aux. input 1)
1-13