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Operating Procedures: Photoelectric Sensors

29

E3M-V

Adjustment Steps

Registering (Teaching) Marks 

Select the most appropriate teaching method in reference to the following descriptions.

 

Refer to the following descriptions for each teaching method. One-point teaching and two-point teaching can be controlled 
remotely. 

Refer to 

Remote Control Function

 

on page 32.

Note: The reverse of the output described above (Background: ON, Mark: OFF) can be obtained by teaching using the background.

Continued on next page 

Step

Operation

1

Install, wire, and turn ON the Sensor. 

2

Register (i.e., teach) the marks. 

Refer to 

Registering Marks

 

on this page to page 30.

3

Adjust thresholds as required. 

Refer to

 

Adjusting Thresholds

 

on page 31. 

4

Check that the mode selector switch is set to RUN.

Application

1

2

3

Detection of clear color differences 
between the mark and the 
background when the background 
has a color pattern. 

Detection of slight color differences 
between the mark and background 
when the background has no color 
pattern.

Remote teaching without positioning 
when the background has no color 
pattern.

Teaching method

1

One-point teaching

2

Two-point teaching

1

Automatic teaching

Output ON range

The default value will be set, and the 
output will turn ON at the mark. 

The threshold will be set in the 
middle between the mark and the 
background, and the output will turn 
ON at the mark. 

The threshold will be set in the 
middle between the mark and the 
background, and the output will turn 
ON at the mark (which has the 
shortest passage time).

1

One-point Teaching

Step

Operation method

Operation condition

1

Set the mode selector switch to TEACH.

2

Place the mark in the specified location, and press the SET Button. 
The threshold indicators (red) will light.

3

Set the mode selector switch to RUN.
The output will turn ON at the set mark.

2

Two-point Teaching

Step

Operation method

Operation condition

1

Set the mode selector switch to TEACH.

2

Place the mark in the specified location, and press the SET Button. 
The threshold indicators (red) will light.

LEVEL

OUT

TEACH

RUN

SET

ADJ

LEVEL

OUT

TEACH

RUN

SET

ADJ

Press

Mark

Sensor

Background

Threshold indicators (red) lit

LEVEL

OUT

TEACH

RUN

SET

ADJ

LEVEL

OUT

TEACH

RUN

SET

ADJ

Press

Threshold indicators (red) lit 

Mark

Sensor

Background

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