E3T-SR21 2M Omron, E3T-SR21 2M Datasheet - Page 13

• Manufacturer Part Number: E3T-SR21 2M
• Description: Industrial Photoelectric Sensors 20cmRetro L/On NPN
• Manufacturer: Omron
• Type: Photoelectric Sensorr

Specifications of E3T-SR21 2M

• Features: FAO technology
• Sensing Method: Retroreflective
• Sensing Distance: 10 mm to 200 mm
• Light Source: Red LED
• Connection: Prewired Cable
• Output Configuration: NPN Light ON
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

I/O Circuit Diagrams
NPN Output
PNP Output
* Models numbers for Through-beam Sensors (E3T-@T@@) are for sets that include both the Emitter and Receiver.
Plugs (Sensor I/O Connectors)
M12 Connector
e-CON connector
E3T-@@@1
E3T-@@@2
E3T-@@@3
E3T-@@@4
The model number of the Emitter is expressed by adding "-L" to the set model number (example: E3T-ST11-L 2M), the model number of the Receiver, by adding "-D" (example:
E3T-ST11-D 2M.) Refer to Ordering Information to confirm model numbers for Emitter and Receivers.
1
15.8
Model
Model
2
4
3
E39-ECON@M
E39-ECONW@M
*
*
1
2
3
4
Operation mode
Operation mode
Light-ON
Dark-ON
Light-ON
Dark-ON
XS5F-D421-D80-A
XS5F-D421-G80-A
Operation indicator
(orange)
Output
transistor
Load
(e.g., relay)
Operation indicator
(orange)
Output
transistor
Load
(e.g., relay)
Operation indicator
(orange)
Output
transistor
Load
(e.g., relay)
Operation indicator
(orange)
Output
transistor
Load
(e.g., relay)
Light interrupted
Light interrupted
Light interrupted
Light interrupted
Light incident
Light incident
Light incident
Wire color
Light incident
Timing charts
Timing charts
Brown
White
Blue
Black
Operate
Operate
Operate
Operate
Reset
Reset
Reset
Reset
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
Pin arrangement
(Between brown (1)
and black (4) leads)
(Between brown (1)
and black (4) leads)
Note: Pin 2 is not used.
(Between blue (3)
and black (4) leads)
(Between blue (3)
and black (4) leads)
Classification
DC
Wire color Connector pin No.
Through-beam Receivers,
Retroreflective and Reflective Models
Through-beam Emitters
Through-beam Receivers,
Retroreflective and Reflective Models
Through-beam Emitters
Brown
Operation
indicator
(orange)
Operation
indicator
(orange)
White
Black
Blue
Photo-
electric
Sensor
Main
Circuit
Photo-
electric
Sensor
Main
Circuit
Stability
indicator
(green)
Stability
indicator
(green)
Photo-
electric
Sensor
Main
Circuit
Photo-
electric
Sensor
Main
Circuit
1
2
3
4
3
1
1
3
Brown
Brown
Blue
Blue
Output circuit
Output circuit
(Control output)
(Control output)
12 to 24 VDC
12 to 24 VDC
ZD
ZD
Note:Pin 2 is not used.
Power supply (0 V)
Note:Pin 2 is not used.
Power supply (+V)
1
4
3
1
4
3
Brown
Black
Blue
Black
Application
Brown
Blue
Connector Pin Arrangement
Connector Pin Arrangement
Pins 2 and 4 are not used
with
Pins 2 and 4 are not used
with
Output
50 mA
max.
50 mA
max.
---
Through-beam Emitters.
Through-beam Emitters.
2
M12
2
M12
1
3
1
3
12 to 24 VDC
4
4
12 to 24 VDC
(relay)
(relay)
Load
Load
0 V
0 V
1
2
3
4
1
2
3
4
e-CON
e-CON
E3T
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