Output Circuit Diagram - Omron E3H2 Datasheet

Output Circuit Diagram

PNP Output
Model Operation
mode
E3H2-T4B@ Light ON
E3H2-R2B@
E3H2-D@B@
Dark ON
E3H2-T2B@ Light ON
Dark ON
E3H2
Timing charts
Light Incident
Light Interrupted
Operation indicator
ON
(yellow)
OFF
ON
Output transistor
OFF
Operate
Load
(e.g. relay)
Reset
Light Incident
Light Interrupted
Operation indicator
ON
(yellow)
OFF
ON
Output transistor
OFF
Operate
Load
(e.g. relay)
Reset
Through-beam emitter
Power
indicator
(yellow)
Photo-
electric
Sensor
Main
Circuit
Light Incident
Light Interrupted
Operation indicator
ON
(yellow)
OFF
ON
Output transistor
OFF
Operate
Load
(e.g. relay)
Reset
Light Incident
Light Interrupted
Operation indicator
ON
(yellow)
OFF
ON
Output transistor
OFF
Operate
Load
(e.g. relay)
Reset
Through-beam emitter
Power
indicator
(yellow)
Photo-
electric
Sensor
Main
Circuit
Mode Output circuit
selector switch
For through-
beam and retro-
reflective: con-
nect the white
wire (Pin 2) to the
brown wire Through-beam receiver, retro-reflective,
diffuse-reflective
(Pin 1).
For diffuse-re-
Operation
indicator
flective: open (do
(Yellow)
not connect) the
white wire
(Pin 2).
For through-
beam and retro-
reflective: open
(do not connect)
the white wire
(Pin 2).
For diffuse-re-
flective: connect
the white wire
(Pin 2) to the
brown wire (Pin
1).
Brown
1
10 to 30 VDC
Blue
3
n.a. fixed for
E3H2-T2B1@
Through-beam receiver
Operation
indicator
(Yellow)
n.a. fixed for
E3H2-T2B2@
Brown
1
10 to 30 VDC
Blue
3
Brown
1
Z
D
Black
Photo-
4
electric (Control
100 mA
Sensor
output)
max.
Main
Circuit
3
Blue
2
White
Mode Selection /
Teach
Connector Pin Arrangement
1
2
4
3
Connector Pin Arrangement
1
2 4
3
Brown
1
Z
D
Black
Photo-
4
electric
(Control
100 mA
Sensor
output)
max.
Main
Circuit
3
Blue
Connector Pin Arrangement
4
1 3
Connector Pin Arrangement
4
1 3
10 to 30 VDC
Load
(Relay)
0 V
10 to 30 VDC
Load
(Relay)
0 V
7