Datasheet

219
EX-20
SENSING CHARACTERISTICS (TYPICAL)
Parallel deviation Angular deviation
Parallel deviation with round slit
masks (
"
0.5 mm
"
0.020 in)
Parallel deviation with rectangular slit
masks
(0.53 mm 0.0200.118 in)
EX-23
Thru-beam type
100 50 0 50 100
#
L
Receiver
Emitter
3.937 1.969 1.969 3.937
6.562
3.281
Setting distance L (m ft)
Operating point ? (mm in)
CenterLeft Right
0
1
2
100 50 0 50 100
$
L
Emitter
Receiver
6.562
3.281
Setting distance L (m ft)
Operating point
$
( ° )
CenterLeft Right
0
1
2
Parallel deviation Angular deviation
EX-29
Retroreflective type
20 10 0 10 20
0
100
200
L
Sensor
#
Reflector
(RF-200)
0.787 0.394 0.394 0.787
7.874
3.937
Setting distance L (mm in)
Operating point ? (mm in)
CenterLeft Right
40 20 0 20 40
0
100
200
Sensor
angular
deviation
Reflector
angular
deviation
Sensor
Reflector
(RF-200)
Sensor
angular
deviation
L
$
Reflector
(RF-200)
Reflector
angular
deviation
$
L
Sensor
7.874
3.937
Setting distance L (mm in)
Operating angle
$
( ° )
CenterLeft Right
Sensing field Correlation between sensing object size and sensing range
EX-22
Diffuse reflective type
As the sensing object size becomes smaller
than the standard size (white non-glossy paper
200200 mm 7.8747.874 in), the sensing
range shortens, as shown in the left graph.
0
50
100
150
200
42024
White non-
glossy paper
Black non-glossy paper
Lightness: 6
#
L
200200 mm
7.874
7.874 in
Non-glossy paper
Sensor
Left
Right
Center
Operating point # (mm in)
0.157 0.079 0.079 0.157
7.874
5.906
3.937
1.969
Setting distance L (mm in)
0 50 100 150 200
100
200
Sensing range L (mm in)
White non-glossy paper
side length a (mm in)
L
aa mm aa in
White non-glossy
paper
Sensor
1.969 3.937 5.906 7.874
7.874
3.937
Sensing fields
Horizontal (left and right) direction
Vertical (up and down) direction
EX-24
Convergent reflective type
24024
0
10
20
30
40
#
L
8 mm 0.315 in
Sensor
5050 mm
1.969
1.969 in
White
non-glossy
paper
1.575
1.181
0.787
0.394
0.157 0.079 0.079 0.157
Operating point ? (mm in)
CenterLeft Right
Setting distance L (mm in)
24024
0
10
20
30
40
Sensor
#
L
6 mm 0.236 in
1.575
1.181
0.787
0.394
0.157 0.079 0.079 0.157
Operating point ? (mm in)
CenterLeft Right
Setting distance L (mm in)
5050 mm 1.9691.969 in
White non-glossy paper
1020 0 10 20
0
100
200
300
400
Operating point ? (mm in)
CenterLeft Right
Slit on one
side
Slit on both
sides
Receiver
Emitter
#
L
0.787 0.394 0.394 0.787
7.874
11.811
3.937
15.748
Setting distance L (mm in)
40 20 0 20 40
0
0.5
1
Slit on one
side
Slit on both
sides
Receiver
Emitter
#
L
1.575 0.787 0.787 1.575
3.281
1.640
Setting distance L (m ft)
Operating point ? (mm in)
CenterLeft Right
08/2005