20
MicroLogix™ 1000 Programmable Controllers
Publication 1761-IN001C-EN-P - March 2008
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.
The controller does not provide loop power for analog inputs. Use a power supply
that matches the transmitter specifications as shown below.
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
Sensor 1
(V) Voltage
Sensor 2
(V) Voltage
Sensor 3
(I) Current
Sensor 4
(I) Current
meter
You can configure either voltage or
current output operation.
Jumper
unused
inputs.
- or -
+
-
+
-
+
-
IA/0 - 3 (+)
IA (-)
IA/0 - 3 (+)
IA (-)
+
-
+
-
GND
IA/0 - 3 (+)
IA (-)
+
-
Transmitter
Transmitter
Transmitter
Supply
Signal
Supply
Signal
Controller
Controller
Controller
Power
Supply
3-Wire Transmitter
4-Wire Transmitter
2-Wire Transmitter
Power
Supply
Power
Supply
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