BOS 21M-_ _ _-_ _ _ _-S4
Photoelectric Sensors
Diffuse, retro-reflective and through-beam sensors
5
english
www.balluff.com
Excess gain
Diffuse BOS 21M-PAI-RD30-S4
Fig. 7: Excess gain
1
10
0
200
400
600
800
1000
50
Object distance [mm]
typ. range
Excess gain
BOS 21M-PAI-RD30-S4 (LT)
Retroflective BOS 21M-PAI-PR30-S4
Fig. 8:
1
10
0
1
2
3
4
5
6
7
8
9
10
30
Reflector distance [m]
Typ. max. range
Operating range
Excess gain
Excess gain BOS 21M-PAI-PR30-S4 (RLS)
Through-beam (receiver) BOS 21M-PAI-RE30-S4 and
Through-beam (emitter) BOS 21M-XI-RS31-S4
Fig. 9:
1
10
100
1.000
10.000
0,1
1
10
50
Emitter – Receiver distance [m]
Typ. max. range
Operating range
Excess gain
Excess gain BOS 21M-PAI-RE30-S4 (RE) and
BOS 21M-XI-RS31-S4 (RS)
Switching point and light spot
Diffuse BOS 21M-PAI-RD30-S4
Fig. 10:
-30
-20
-10
0
10
20
30
0
200
400
600
800
1000
[m
m
]
Object distance [mm]
Light spot
Light spot
Switching point
20 % Rem.
Switching point
90 % Rem.
Switching point and light spot BOS 21M-PAI-RD30-S4 (LT)
Retroflective BOS 21M-PAI-PR30-S4
Fig. 11:
-250
-200
-150
-100
-50
0
50
100
150
200
250
0
1
2
3
4
5
6
7
8
9
10
[m
m
]
Reflector distance [m]
Light spot
Switching point
BOS R-50
Switching point
BOS R-1
Switching point and light spot BOS 21M-PAI-PR30-S4 (RLS)
Through-beam (receiver) BOS 21M-PAI-RE30-S4 and
Through-beam (emitter) BOS 21M-XI-RS31-S4
Fig. 12:
-300
-200
-100
0
100
200
300
0
2
4
6
8
10
12
14
16
18
20
[m
m
]
Emitter – Receiver distance [m]
Switching point
Light spot
Switching point
Light spot
Receiver
Receiver
Switching point and light spot BOS 21M-PAI-RE30-S4 (RE)
and BOS 21M-XI-RS31-S4 (RS)
