Allen-Bradley MicroLogix 1200 User Manual page 61

Figure 3.32 Single-ended Sensor/Transmitter Types
2-Wire Transmitter
+
Power
(1)
Supply
-
3-Wire Transmitter
Power
+
(1)
Supply
-
4-Wire Transmitter
Power
+
(1)
Supply
-
(1) All power supplies rated N.E.C. Class 2.
1762-IF4 Input Type Selection
Select the input type, current or voltage, using the switches located on
the module's circuit board and the input type/range selection bits in
the Configuration Data File. Refer to MicroLogix 1200 and 1500
Programmable Controllers Instruction Set Reference Manual,
publication number 1762-RM001. You can access the switches through
the ventilation slots on the top of the module.
Switch Location
Transmitter
+
-
Transmitter
Supply Signal
Transmitter
Supply Signal
+ +
- -
Ch0 Ch1 Ch2 Ch3
1 2 1
Publication 1762-UM001D-EN-P - March 2004
Wiring Your Controller 3-25
Module
IN +
IN -
COM
Module
IN +
IN -
COM
Module
IN +
IN -
COM
Voltage (OFF)
Current (ON Default)
2