Datasheet
345
Threaded Miniature Photoelectric Sensor EX-30 SERIES Ver.2
Selection
Guide
Amplier
Built-in
Power Supply
Built-in
Amplier-
separated
CX-400
CY-100
EX-10
EX-20
EX-30
EX-40
CX-440
EQ-30
EQ-500
MQ-W
RX-LS200
RX
RT-610
FIBER
SENSORS
LASER
SENSORS
PHOTO-
ELECTRIC
SENSORS
MICRO
PHOTO-
ELECTRIC
SENSORS
AREA
SENSORS
LIGHT
CURTAINS /
SAFETY
COMPONENTS
PRESSURE /
FLOW
SENSORS
INDUCTIVE
PROXIMITY
SENSORS
PARTICULAR
USE
SENSORS
SENSOR
OPTIONS
SIMPLE
WIRE-SAVING
UNITS
WIRE-SAVING
SYSTEMS
MEASURE-
MENT
SENSORS
STATIC
ELECTRICITY
PREVENTION
DEVICES
LASER
MARKERS
PLC
HUMAN
MACHINE
INTERFACES
ENERGY
CONSUMPTION
VISUALIZATION
COMPONENTS
FA
COMPONENTS
MACHINE
VISION
SYSTEMS
UV
CURING
SYSTEMS
I/O CIRCUIT AND WIRING DIAGRAMS
NPN output type
I/O circuit diagram Wiring diagram
Note: The emitter of the thru-beam type sensor does not incorporate the
black wire.
Note: The emitter of the thru-beam type sensor does not incorporate the output.
Symbols … D
1
: Reverse supply polarity protection diode
D
2
: Reverse output polarity protection diode
Z
D
: Surge absorption zener diode
Tr : NPN output transistor
Symbols … D
1
: Reverse supply polarity protection diode
D
2
: Reverse output polarity protection diode
Z
D
: Surge absorption zener diode
Tr : PNP output transistor
Users’ circuit Internal circuit
D1
D2
Z D
Tr
(Brown) +V
(Black) Output (Note)
(Blue) 0 V
Color code
50 mA max.
Load
Sensor circuit
+
–
12 to 24 V DC
± 10 %
Load
Brown
Black (Note)
Blue
Color code
+
–
12 to 24 V DC
± 10 %
PNP output type
I/O circuit diagram Wiring diagram
Note: The emitter of the thru-beam type sensor does not incorporate the
black wire.
Note: The emitter of the thru-beam type sensor does not incorporate the output.
Users’ circuit Internal circuit
D1
D2
Z D
Tr
(Brown) +V
(Black) Output (Note)
(Blue) 0 V
Color code
50 mA max.
Load
Sensor circuit
+
–
12 to 24 V DC
± 10 %
Load
Brown
Black (Note)
Blue
Color code
+
–
12 to 24 V DC
± 10 %
EX-32□ EX-32□-PN
Diffuse reective type
Sensing eld
Correlation between sensing object size and sensing range
Correlation between setting distance and excess gain
0
0 5
0.197
5
0.197
10
0.394
10
0.394
20
0.787
40
1.575
60
2.362
80
3.150
ℓ
L
Sensor
100 × 100 mm
3.937 × 3.937 in
White non-glossy paper
Left
Right
Center
Operating point ℓ (mm in)
Setting distance L (mm in)
100
3.937
150
5.906
50
1.969
200
7.874
0
a × a mm a × a in
White non-glossy paper
L
Sensor
White non-glossy paper
side length a (mm in)
20
0.787
40
1.575
60
2.362
80
3.150
Sensing range L (mm in)
As the sensing object size becomes smaller than
the standard size (white non-glossy paper
100 × 100 mm 3.937 × 3.937 in), the sensing range
shortens, as shown in this graph.
SENSING CHARACTERISTICS (TYPICAL)
EX-31□ EX-31□-PN
Thru-beam type
Parallel deviation Angular deviation
Parallel deviation with slit mask on one side
Parallel deviation with slit masks on both sides
0
0 50
1.969
50
1.969
100
3.937
100
3.937
ℓ
Emitter
Receiver
L
Operating point ℓ (mm in)
Center Left Right
Setting distance L (mm in)
200
7.874
400
15.748
600
23.622
800
31.496
L
Setting distance L (mm in)
Emitter
θ
Receiver
20 0 20
Left Center Right
Operating angle θ ( ° )
40
40
0
200
7.874
400
15.748
600
23.622
800
31.496
200
7.874
100
3.937
40
1.575
20
0.787
20
0.787
40
1.575
Center Left Right
0
0
Emitter
Receiver
L
ℓ
Operating point ℓ (mm in)
Setting distance L (mm in)
Setting distance L (mm in)
100
3.937
200
7.874
Emitter
Receiver
L
ℓ
40
1.575
20
0.787
0 20
0.787
40
1.575
Center Right Left
Operating point ℓ (mm in)
0
EX-31□ EX-31□-PN
Thru-beam type
2,000
78.740
0 400
15.748
1,200
47.244
1,600
62.992
1
10
5
100
800
31.496
Excess gain
50
Setting distance L (mm in)
0 50
1.969
150
5.906
200
7.874
250
9.843
1
10
5
100
100
3.937
Excess gain
50
Setting distance L (mm in)
Correlation between setting distance and excess gain






