Omron E39-L104, Manual

10

Laser Photoelectric Sensor with Built-in Amplifier

I/O Circuit Diagrams

NPN output

PNP output

Model

Operation 
mode

Timing charts

Mode selector 
switch

Output circuit

E3Z-LT61
E3Z-LT66
E3Z-LR61
E3Z-LR66

Light ON

L side 

(LIGHT ON)

Dark ON

D side 

(DARK ON)

E3Z-LL61
E3Z-LL66
E3Z-LL63
E3Z-LL68

Light ON

L side 

(LIGHT ON)

Dark ON

D side 

(DARK ON)

Model

Operation 
mode

Timing chart

Mode selector 
switch

Output circuit

E3Z-LT81
E3Z-LT86
E3Z-LR81
E3Z-LR86

Light ON

L side 

(LIGHT ON)

Dark ON

D side 

(DARK ON)

Incident light

No incident light

ON

OFF

ON

OFF

Operate

Reset

Operation indicator  
(orange)

(Between brown and black leads)

Output transistor

Load 
(e.g., relay)

4

3

1

100 mA
max.

0 V

Z

D

3

1

2

4

1

2

4

3

12 to 24 VDC

Through-beam Receivers, Retro-reflective Models

Pin 2 is not used.

Brown

Black

(Control  

output)

Blue

Operation  
indicator

Stability 
indicator

(Green)

(Orange)

Load  

(Relay)

Photo-
electric 
Sensor 
Main 
Circuit

M12 Connector 
Pin Arrangement

M8 4-pin Connector 
Pin Arrangement

Incident light

No incident light

ON

OFF

ON

OFF

Operate

Reset

Operation indicator  
(orange)

(Between brown and black leads)

Output transistor

Load 
(e.g., relay)

3

1

3

1

2

4

1

2

4

3

12 to 24 VDC

Through-beam Emitter

Power  
indicator  
(orange)

Pins 2 and 4 
are not used.

Brown

Blue

Photo-elec-
tric Sensor 
Main 
Circuit

M12 Connector 
Pin Arrangement

M8 4-pin Connector 
Pin Arrangement

ON

OFF

ON

OFF

Operate

Reset

NEAR

FAR

Operation  
indicator  
(orange)

Output  
transistor

Load 
(e.g., relay)

(Between brown and black leads)

4

3

1

3

1

2

4

1

2

4

3

100 mA
max.

0 V

Z

D

12 to 24 VDC

Pin 4 is not used.

Brown

Black

(Control  

output)

Blue

Operation  
indicator

Stability 
indicator

(Green)

(Orange)

Load  

(Relay)

Photo-
electric 
Sensor 
Main 
Circuit

M12 Connector 
Pin Arrangement

M8 4-pin Connector 
Pin Arrangement

ON

OFF

ON

OFF

Operate

Reset

NEAR

FAR

Operation  
indicator  
(orange)

Output  
transistor

Load 
(e.g., relay)

(Between brown and black leads)

Incident light

No incident light

ON

OFF

ON

OFF

Operate

Reset

Operation indicator  
(orange)

(Between blue and black leads)

Output transistor

Load 
(e.g., relay)

4

1

3

3

1

2

4

1

2

4

3

Through-beam Receivers, Retro-reflective Models

100 mA
max.

0 V

Z

D

12 to 24 VDC

Pin 2 is not used.

Brown

Black

(Control  

output)

Blue

Operation  
indicator

Stability 
indicator

(Green)

(Orange)

Load  

(Relay)

Photo-
electric 
Sensor 
Main 
Circuit

M12 Connector 
Pin Arrangement

M8 4-pin Connector 
Pin Arrangement

Incident light

No incident light

ON

OFF

ON

OFF

Operate

Reset

Operation indicator  
(orange)

(Between blue and black leads)

Output transistor

Load 
(e.g., relay)

3

1

3

1

2

4

1

2

4

3

12 to 24 VDC

Through-beam Emitter

Power  
indicator  
(orange)

Pins 2 and 4 are not used.

Brown

Blue

Photo-elec-
tric Sensor 
Main 
Circuit

M12 Connector 
Pin Arrangement

M8 4-pin Connector 
Pin Arrangement