Operation - Omron E3G Datasheet

Operation

E3G-L/ML
Adjustment Steps
Pro-
ce-
dure
Install, wire, and turn on the Sensor.
1
Perform distance setting (teaching). Refer to "Distance Setting (Teaching)".
2
Check that the mode selector is set to RUN.
3
Distance Setting (Teaching)
Select the most appropriate teaching method in reference to the following descriptions.
Teaching without sensing
Application objects (i.e., Teaching the
background).
Teaching Normal one-point teaching Normal two-point teaching
Press the
Setting method with the background ob-
ject.
Threshold (a) is set to a
distance in front of the
Set threshold
background of 20% of the
background distance.
The output is ON between
Output ON range
the Sensor and La.
La: Distance equivalent to threshold
(a)
Lb: Distance equivalent to threshold
(b)
Normal one-point teaching
Pro-
ce-
dure
Set the mode selector to
1
Set the NORMAL/ZONE mode selector to
2
Press the button with the background.
TEACH
3
The teaching indicator (red) will turn ON.
Set the mode selector to
4
mode.)
Note: Perform normal one-point teaching with the background.
Normal two-point teaching
Pro-
ce-
dure
Set the mode selector to
1
Set the NORMAL/ZONE mode selector to
2
Press the button with a sensing object.
TEACH
3
The teaching indicator (red) will turn ON.
E3G
Operation
Setting a threshold in the
middle between the back-
ground and sensing object
for operation.
button Press the
TEACH
with the background ob-
ject.
Threshold (a) is set ap-
proximately in the middle
between the background
and sensing object.
The output is ON between
the Sensor and La.
Normal Mode1. Normal One-
point Teaching
Threshold a
Background
E3G-L/ML (La)
ON
Operation
.
TEACH
.
NORMAL
. (Set to L-ON or D-ON
RUN
Operation
.
TEACH
.
NORMAL
Detection of glossy objects
in front of the background.
Zone teaching
button Press the
TEACH TEACH
with the background object
(conveyor, etc.).
Thresholds (a and b) are
set in the sensing distance
on condition that the differ-
ence between
thresholds is approximate-
ly 10% of the whole sens-
ing distance.
The output is ON between
La and Lb.
2. Normal Two-point Teaching
Threshold a
Background
E3G-L/ML (La)
Object
ON
Pro-
ce-
dure
Move the sensing object and press the
the background.
If the teaching is successful, the teaching indicator
4
(green) will turn ON.
If the teaching is not successful, the teaching indicator
(red) will flash.
When the teaching is successful, the setting is complete.
Set the mode selector to
selector to set L-ON/D-ON.)
5
successful, change the work position and setting distance
again, and restart the setting from step "3".
Setting the maximum
sensing distance of the
Sensor.
Maximum distance setting
(in normal mode)
button Press the button
TEACH
for longer than three sec-
onds.
The threshold is set in such
manner that the stability in-
dicator will turn ON at ap-
these
proximately 2 m if the
sensing object is white pa-
per.
The output is ON whenev-
er the sensing object is lo-
cated between the Sensor
and at a distance of 2.2 m.
Zone Mode Zone Teach-
ing
Threshold a Threshold b
Background
E3G-L/ML (La) (Lb)
OFF ON OFF
L-ON
ON OFF ON
D-ON
Operation
button with
TEACH
. (Use the operation mode
RUN
When the teaching is not
A-127