GE Moisture Image 1 Series Service Manual page 21

June 2003
Connecting Pressure
Transmitters (cont.)
1-12
A. Connecting the Two-Wire or Loop-Powered Transmitter
Use a two-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 1-5 to make the proper pin connections to
the desired channel.
Note: Twisted-pair cables work well with this circuit.
Table 1-5: Wire Connections for Two-Wire or Loop-
Powered Transmitters
Connect:
Positive Lead
Negative Lead
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).
AUX
Terminal Block
Figure 1-9: AUX Terminal Block
To AUX Terminal Block:
pin +24V
pin 2 (aux. input 2) or
pin 1 (aux. input 1)
Installing Optional Features