E3S-2B41 Datasheet, PDF (5/15 Pages) Omron Electronics LLC – Photoelectric Sensor with Built-in Amplifier

I/O Circuit Diagrams
Model
Wire
color
Item
Power
polarity
Opera-
tion
mode
Brown +
Light
indicator
(red)
Light-ON
Blue 0 V
E3S
Brown 0 V
Light
indicator
(red)
Dark-ON
Blue
+
E3S
Output circuit
Timing charts
Stability
indicator
(green)
Photo-
electric
Sensor
main
circuit
1.5 to
4 mA
Z
Brown *1 12 to 24 VDC
Load 1
(relay)
Black
Load 2 *2
Blue *1
0V
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)
Stability
indicator
(green)
Photo-
 ^electric
Sensor
main
circuit
1.5 to
4 mA
Z
Brown *1
0V
Load 2 *2
Black
Load 1
(relay)
Blue *1
12 to 24 VDC
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
Light
indicator
ON
(red)
OFF
Output
transistor
ON
OFF
Load 1
(e.g., relay) Operate
Load 2
Reset (Between brown and black)
H
L _{(Between blue and black)}
Incident light
No incident light
Light
indicator
ON
(red)
OFF
Output
transistor
ON
OFF
Load 1
(e.g., relay) Operate
Load 2
Reset (Between blue and black)
H
L (Between brown and black)
5