Datasheet

EE-SPW321/421
85
Engineering Data (Typical)
I/O Circuit Diagrams
NPN Output
Sensing Distance with slit installed
Receiver Output vs. Distance
Characteristics
Mutual Interference Parallel Movement Characteristics
EE-SPW321/421 EE-SPW321/421 EE-SPW321/421
Sensing Angle Characteristics Sensing Distance vs. Input Voltage
EE-SPW321/421 EE-SPW321/421
Model
Output
configuration
Timing charts Output circuit
EE-SPW421(-A) Light-ON
EE-SPW321(-A) Dark-ON
Slit type Sensing distance Sensing object
None Opaque: 2 mm dia. min.
1 × 3 mm or 3 × 1 mm Opaque: Greater than the slit
0.5 × 3 mm or 3 × 0.5 mm Opaque: Greater than the slit
1,000
500
300
100
50
30
10
5
3
1
Optical output (mV)
0 100 200 300 400 500 600
Distance
(
mm
)
Slit (3 × 0.5 mm)
Ope-
rating
level
Vcc = 12 V
60
50
40
30
20
10
Distance X (mm)
0 50 100 150 200 250 300
Distance Y
(
mm
)
Operating range
Interference
range
Slit
(3 × 0.5 mm)
Vcc = 24 V
EE
RR
Direction of
slit
Y
3
0.5
X
60
50
40
30
20
10
Distance Y (mm)
0 100 200 300 400 500
Distance X
(
mm
)
Slit (3 × 0.5 mm)
Slit (3 × 1 mm)
No slit
X
Y
Vcc = 24 V
300
250
200
150
100
50
0
Sensing distance (mm)
−30 −20 −10 0 10 20 30
Angle θ (°)
Sensing distance
θ
Vcc =12 V
800
700
600
500
400
300
200
100
0
Sensing distance (mm)
10 12 1614 18 20 22 24
Volta
g
e
(
V
)
Incident
Interrupted
ON
OFF
ON
OFF
Light indicator
(red)
Output
transistor
Light indicator
(red)
Main
circuit
Blue
Brown
Black
OUT
Load
12 to 24 VDC
Incident
Interrupted
ON
OFF
ON
OFF
Light indicator
(red)
Output
transistor
Infrared li
g
ht
300 mm
200 mm
100 mm