Rockwell Automation Allen-Bradley MicroLogix 1000 Instructions D'installation page 16

Installation Instructions
MicroLogix 1000 Programmable
Controllers
Wiring Your Analog Channels
Analog input circuits can monitor current and voltage signals and convert them to
serial digital data. The analog output can support either a voltage or a current
function as shown in the following illustration.
Sensor 2
(V) Voltage
Sensor 1
(V) Voltage
Jumper
unused
I/10 I/11
IA
inputs.
SHD
VAC
O/4 O/5
VDC
You can configure either voltage
or current output operation.
The controller does not provide loop power for analog inputs. Use a power supply
that matches the transmitter specifications as shown below.
2-Wire Transmitter
+
Power
Supply –
Supply
3-Wire Transmitter
+
Power
Supply –
4-Wire Transmitter
Supply
+
Power
Supply
–
14
Sensor 3
(I) Current
IA/0 IA/1 IA IA IA/2 IA/3 IA
V (+) V (+) (–) SHD I (+) I (+) (–)
NOT OA OA/0 OA/0 OA
O/6 O/7
USED SHD V (+) I (+) (–)
– OR –
meter
Transmitter
Controller
+ –
IA/0 – 3 (+)
IA (–)
Transmitter
Signal
Controller
GND
IA/0 – 3 (+)
IA (–)
Transmitter
Signal
Controller
+ +
IA/0 – 3 (+)
–
– IA (–)
Sensor 4
(I) Current