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Push-pull
PNP
NPN
Push-pull
PNP
NPN
+ (L+)
Q ≤ 100 mA
‒ (M)
+ (L+)
Q ≤ 100 mA
‒ (M)
Push-pull
PNP
NPN
Push-pull
PNP
NPN
调试 86
+ (L+)
Q ≤ 100 mA
‒ (M)
+ (L+)
Q ≤ 100 mA
‒ (M)
86
86.1
调试
对准
将传感器对准物体。选择定位，确保红色发射光束射中物体的中间。此时，应注意
传感器的光学开口（透明保护盖）处应无任何遮挡 [参见
]。
插图 114: 对准
86.2
插图 115: 对准
检查使用条件：
触发感应距离
125
86 调试
WTV4F 为带背景抑制功能的漫反射光电传感器。根据待检物体及后面可能存在的背
景的反射比，在已设置触发感应距离 (x) 与背景之间保持最小距离 (y)。
检查使用条件：
使用随附的图表调整触发感应距离和与物体或背景的距离及物体的反射能力（x = 触
发感应距离，y = 已设置的触发感应距离和背景（白色，90%）之间的最小距离，反
射比：6% = 黑色 1 ，18% = 灰色 2 ，90% = 白色 3 （以 DIN 5033 规定的标准
白为基准））。我们建议使用低反射比的物体进行设置。
背景抑制功能的最小距离 (= y) 可以从插图
中如下确定：
示例：x = 20 mm，y = 1,2 mm。即，当与传感器距离 > 1,2 mm 时，才能抑制背
景（白色，90%）。
5
(0.20)
4
(0.16)
3
(0.12)
Minimum distance in mm (y) between the set sensing range and white background (90 % remission) y
7
(0.28)
6
(0.24)
1
1%/90%
6%/90%
2 2
(0.08)
1
(0.04)
0
0
3
18%/90%
10
(0.39)
20
(0.79)
90%/90% x
30
(1.18)
40
(1.57)
50
(1.97)
Distance in mm (inch)
Recommended sensing range for the best performance
插图 116: 特征曲线
High-glossy object, angle of acceptance
α
20
15
10
5
0
–5
–10
–15
–20
0 10
(0.39)
20
(0.79)
30
(1.18)
40
(1.57)
50 x
(1.97)
Distance in mm (inch)
Recommended sensing range for the best performance
插图 118: 光斑尺寸
Example:
Safe suppression of the background
White background (90 %) x
Black object (6 % remission)
Set sensing range x = 20 mm
Needed minimum distance to white background y = 1.2 mm y
–α x
+α
Example:
Set sensing range x = 30 mm
Angle of acceptance between –12° and +5°
High-glossy object, angle of acceptance
β
20
15
10
5
0
–5
–10
–15
–20
0 10
(0.39)
20
(0.79)
30
(1.18)
40
(1.57)
50 x
(1.97)
Distance in mm (inch)
Recommended sensing range for the best performance
插图 120: 光斑尺寸
–β +β x
Example:
Set sensing range x = 30 mm
Angle of acceptance between –7° and +7°
1
2
3
4
0
2
2
2
5
10
(0.39)
15
15
15
15
20
(0.79)
30
50
50
50
30
(1.18)
40
(1.57)
50
(1.97)
Distance in mm (inch)
D
A
插图 117: 条状图
Transparent pane of glass in front of background
(18 % remission), angle of acceptance
α
10
5
–α +α
0 x d
–5
–10
0 10
(0.39) d = 10 mm d = 40 mm d = 80 mm
20
(0.79)
30
(1.18)
40
(1.57)
50
(1.97)
Distance in mm (inch) x d = 120 mm d ≥ 200 mm
Recommended sensing range for the best performance
插图 119: 光斑尺寸
Transparent pane of glass in front of background
(18 % remission), angle of acceptance
β
10
Example:
Set sensing range x = 30 mm
Distance object to background d ≥ 200 mm
Angle of acceptance between –4° and + 7°
5
0
C
B
BluePilot
E
F
–β +β
–5
–10s
0 10
(0.39)
20
(0.79)
30
(1.18)
40
(1.57)
50
(1.97) x
Distance in mm (inch) d = 10 mm d = 40 mm d = 80 mm d = 120 mm d ≥ 200 mm
Recommended sensing range for the best performance
插图 121: 光斑尺寸 x d
Example:
Set sensing range x = 30 mm
Distance object to background d ≥ 200 mm
Angle of acceptance between –6° and +6°
126
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