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