E3S

5

I/O Circuit Diagrams

Item

Opera-

tion

mode

Output circuit

Timing charts

Model

Wire

color

Power

polarity

E3S

Brown

+

Light-ON

Blue

0 V

Brown

0 V

Dark-ON

Blue

+

Brown *1

12 to 24 VDC

*2

0 V

Load 1

(relay)

Load 2

Black

Blue *1

1.5 to

4 mA

Z

Photo-

electric

Sensor

main

circuit

Stability

indicator

(green)

Light

indicator

(red)

Z: Zener diode (Vz = 30 V)

*1: Reverse the polarity of the power supply to switch the

operating mode.

*2: Voltage output (when connecting transistor circuit)

Incident light

No incident light

ON

OFF

ON

OFF

Operate

Reset

H

L

Light

indicator

(red)

Output

transistor

Load 1

(e.g., relay)

Load 2

(Between brown and black)

(Between blue and black)

Brown *1

12 to 24 VDC

*2

0 V

Load 1

(relay)

Load 2

Black

Blue *1

1.5 to

4 mA

Z

Photo-

electric

Sensor

main

circuit

Stability

indicator

(green)

Light

indicator

(red)

Z: Zener diode (Vz = 30 V)

*1: Reverse the polarity of the power supply to switch the

operating mode.

*2: Voltage output (when connecting transistor circuit)

Incident light

No incident light

ON

OFF

ON

OFF

Operate

Reset

H

L

Light

indicator

(red)

Output

transistor

Load 1

(e.g., relay)

Load 2

(Between brown and black)

(Between blue and black)