Wiring your analog channels – Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) User Manual

Page 51

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Chapter 2
Wiring Your Controller

2–21

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

Wiring Your Analog Channels

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