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Pa220 – Baumer PA220 User Manual

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PA220

26

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3.4 Wiring examples
Standard signal input voltage

4-wire sensor,

external supply

Process display

V-

Sensor

V+

OUT+ OUT-

V IN+

IN-

External

sensor

supply

-

+

3-wire sensor,

external supply

Process display

V+

Sensor

OUT+ OUT-

V IN+

IN-

External

sensor

supply

+

-

4-wire sensor,

device supplied

Process display

V-

Sensor

OUT+ OUT-

V IN+

IN-

+

Sensor-

V+

Sensor+

Standard signal input voltage

4-wire sensor,

external supply

Process display

V-

Sensor

V+

OUT+ OUT-

I IN+

IN-

External

sensor

supply

-

+

3-wire sensor,

external supply

Process display

V+

Sensor

OUT+ OUT-

I IN+

IN-

External

sensor

supply

+

-

2-wire 4-20 mA sensor,

external supply

Process display

V+

Sensor

OUT+

I IN+

IN-

External

sensor

supply

+

-

2-wire 4-20mA sensor

Process display

Sensor

V+

Sensor+

OUT+

I IN+

In the example below, sensor supply is by device current loop.