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Installation Instructions

873M Programming Cable

IMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.

Discrete Sensor Instructions:

Adjusting Set Points

The 873M provides five modes of operation for detecting a target

object in discrete mode.

• Window Mode, N.O: Two set points are taught in defined

sensing range creating a sensing window. Once a target

object passes through the window, output triggers on.

• Window Mode, N.C.: Two set points are taught in the

defined sensing range creating a sensing window. Output

is initially ON. Once a target object passes through the

window, output triggers off.

• One set point, N.O.: One set point is taught within a

defined sensing range of the sensor with the output off.

When a target passes between the sensor and the taught

set point, the output triggers and turns on.

• One set point, N.C: One set point is taught within a

defined sensing range of the sensor while the output is on.

When a target passes between the sensor and the taught

set point, output triggers and turns off.

• Object Presence Mode: Also known as resetting to

factory defaults settings. Once the sensor is taught, all set

points are removed and the sensor returns to the factory

default specified range depending on the catalog number.

Any object within a specified sensing range (50…300 mm

or 70…800mm) will be detected.

Window Mode, N.O.

1. Place the target at the desired near-set point.

2. Connect to 0V DC (–) using the white wire, or press A1 on the

optional programming cable.

3. Set the target to at the desired far-set point.

4. Connect to 10…30V DC (+) using the white wire, or press A2

on the optional programming cable.

Window Mode, N.C.

1. Place the target at the desired near-set point.

2. Connect to 10…30V DC (+) using the white wire, or press A2

on the optional programming cable.

3. Set the target to the desired far-set point.

4. Connect to 0V DC (–) using the white wire, or press A1 on the

optional programming cable.

One Set Point, N.O

1. Place target at the desired set point.

2. Connect to 10…30V DC (+) using the white wire, or press A2

on the optional programming cable.

3. Cover sensor head with your hand or remove all objects from

the sensing field.

4. Connect to 0V DC (–) using the white wire, or press A1 on the

optional programming cable.

One Set Point, N.C

1. Place target at the desired set point.

2. Connect to 0V DC (–) using the white wire, or press A1 on the

optional programming cable.

3. Cover sensor head with your hand or remove all objects from

the sensing field.

4. Connect to 10…30V DC (+) using the white wire, or press A2

on the optional programming cable.

Object Presence Mode (Restore Factory Defaults)

1. Cover sensor head with your hand or remove all objects from

the sensing field.

2. Connect to 0V DC (–) using the white wire, or press A1 on the

optional programming cable.

3. Connect to 10…30V DC (+) using the white wire, or press A2

on the optional programming cable.

Discrete Sensor LED Indicators

Operating Mode Red LED Yellow LED Green LED

Teach Mode

Target detected One flash Continuous flash

OffNo target detected

Flashes Off

Target marginal (invalid teach)

Standard Mode

Target present

Off

Target not present Off

1 2

Indice de contenidos

Pagina 1 - 873M Programming Cable

Installation Instructions873M Programming CableIMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.Discrete Sensor Instructions: Adjusting Set PointsThe

Pagina 2 - Teaching Set Point Limits

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Rockwell-automation 873M Programming Cable Manual de usuario

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