Rockwell Automation 1761 MicroLogix 1000 Programmable Controllers - Manual (Page 56)

Preface MicroLogix 1000 Programmable Controllers User Manual
2–22
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.
VAC
VDC
O/4 O/5 O/6
NOT
USED
O/7
I/10 I/11 IA
(–) IA/3
I (+) IA/2
I (+) IA
SHD IA/1
V (+) IA
SHD IA/0
V (+) IA
(–)
OA
(–) OA/0
I (+) OA/0
V (+) OA
SHD
– OR –
Jumper
unused
inputs.
Sensor 1
Sensor 2 Sensor 3
Sensor 4
meter
(V) Voltage
(V) Voltage
(I) Current
(I) Current
You can configure either voltage
or current output operation.
For increased noise immunity, connect a ground wire directly from the
shield terminals to chassis ground.
2-Wire Transmitter Transmitter
+ –
4-Wire Transmitter Transmitter
Supply Signal
+
– +
–
IA/0 – 3 (+)
IA (–)
Controller
IA/0 – 3 (+)
IA (–)
Controller
+ Power
Supply
–
+ Power
Supply
–
Important: The controller does not provide loop power for analog inputs.
Use a power supply that matches the transmitter specifications.
3-Wire Transmitter
Transmitter
Supply Signal
GND
IA/0 – 3 (+)
IA (–)
Controller
+ Power
Supply
–