Datasheet

SA1U Photoelectric Switches
9
•
Lateral Displacement
•
Excess Gain
•
Angle
•
Excess Gain
•
Lateral Displacement
•
Object Size vs. Sensing Distance
•Control Knob vs. Sensing Distance
•
Sensing Distance vs. Hysteresis
•
Light Beam Diameter
Polarized Retroreective Model SA1U-P07M*
Diffuse-Reective Model SA1U-D01M*
Background Suppression Model SA1U-B02M*
•
Lateral Displacement (preset 1m)
•
Lateral Displacement (preset 2m)
•Color Mat Paper and Other Materials
Characteristics (Typical)
Instructions
IAC-R7
IAC-R6
IAC-R8
IAC-RS1
IAC-RS2
IAC-R5
10
100
012345678
910
1
Excess Gain
Operation
Level
Sensing Distance (m)
-140
-120
-100
-80
-60
-40
-20
0
20
40
60
80
100
120
140
012345678
910
IAC-R5
IAC-R6
IAC-R7
IAC-RS1
IAC-RS2
IAC-R8
Lateral Displacement Y (mm)
Sensing Distance X (mm)
X
Y
-60
-40
-20
0
0
20
40
60
2468
10
IAC-R5
IAC-R6
IAC-R7
IAC-RS2
IAC-RS1
X
θ
IAC-R8
Reector Angle θ (º)
Sensing Distance X (m)
-15
-5
5
15
25
35
80010001200 1400 1600 1800 2000
2200
X
Y
Sensing Distance X (mm)
Lateral Displacement Y (mm)
Object:
200 x 200 mm
White mat paper
600
-35
0200 400
-25
1000
1200
1400
1600
1800
2000
2200
020406080100 120140 160180 20
0
X
A
Object: A mm
white mat paper
Side Length A (mm)
Sensing Distance X (mm)
-80
-60
-40
-20
0
20
40
60
80
0200 400600 80
01
00
0
Sensing Distance X (mm)
X
Y
White
paper
Black
paper
Lateral Displacement Y (mm)
Object: 200 × 200 mm mat paper
∗ Use white mat paper for sensing distance setting
-100
-80
-60
-40
-20
0
20
40
60
80
100
0
200
400600 800 1000
Sensing Distance X (mm)
Lateral Displacement Y (mm)
Black
paper
White
paper
1400 1600 1800 2000 2200
X
Y
Object: 200 × 200 mm mat paper
∗Use white mat paper for sensing distance
setting
1200
0
20
40
60
80
100
120
140
160
0500 1000 1500 2000
2500
Sensing Distance (mm)
Light Beam Diameter (mm)
0
5
10
15
20
25
30
0 200400 600800 1000 1200 1400 1600 1800 2000 2200
Sensing Distance (mm)
Hysteresis (%)
Black paper
Gray paper
White paper
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
012345678
Control Knob (turns)
Sensing Distance (mm)
White
Paper
Gray
Paper
Black
Paper
0
200
400
600
800
1000
Comparison of sensing distance when set to detect white mat paper (

200) at 1m
Comparison of sensing distance when set to detect white mat paper (

200) at 2m
Sensing Distance (mm)
Sensing Distance (mm)
0
200
400
600
800
1000
1200
1400
1600
1800
2000
White
Red
Green
Green
Blue
Gray
Black
Cardboard
Aluminum
Stainless Steel
Brass
Veneer
White
Red
Blue
Gray
Black
Cardboard
Aluminum
Stainless Steel
Brass
Veneer
1
10
100
0 200 400 600 800 100012001400160018002000220
0
Excess Gain
Operation
Level
Sensing Distance (mm)
Installation
Make sure that there are no gaps between the cover and the hous-
ing as shown in the diagram below.
No Gap
Cover Set Screw
Terminal Screw
(5 pcs max.)
Housing Mounting
Screw (2 pcs)
Gland
To maintain waterproof characteristics, tighten the screws within
the range of the recommended tightening torque.
Excessive tightening may cause damage.
•Screw Tightening Torque
Screw Recommended Tightening Torque (N
·
m)
Terminal screw
Gland
Cover set screw
Housing mounting screw
0.6 to 1.0
4.0 to 6.0
0.5 to 0.8
0.8 to 1.2