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光电传感器 - WTB4SP-21312120ZZZ 接线图 CD-514 + (L+) - (M) Q BN BU BK 1 3 4 真值表 推挽：PNP/NPN - 暗通开关 Ǭ Dark s wit chi ng Q ( nor mall y c los ed (upper sw it ch ), norma lly o pen (lo wer switch) ) Ob je ct not p re sen t - Out put…

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光电传感器 - WTB4SP-21312120ZZZ
仓库环境温度 –40°C... +75°C
类型抗环境光能力 人造光: ≤50,000lx
太阳光: ≤50,000lx
抗冲击能力 30g, 11ms (沿 X、Y 和 Z 轴分别产生 3次正向冲击和 3次负向冲击，总共 18次冲击 (EN60068-2-27))
抗振动性 10Hz... 1,000Hz (Amplitude 1mm, 3x 30min (EN60068-2-6))
空气湿度 35%... 95%, 相对空气湿度（无雾）
电磁兼容性（EMC） EN60947-5-2
清洁剂耐抗性 ECOLAB
UL 文件编号 NRKH.E181493 & NRKH7.E181493
证书
EU declaration of conformity
UK declaration of conformity
ACMA declaration of conformity
Moroccan declaration of conformity
China RoHS
China Compulsory Product Certification (CCC) exempt
cULus certificate
Photobiological safety (IEC EN 62471)
显示与设置元件
6 (0.24)
8.8 (0.35)
4.7(0.18)
7.8 (0.31)
6.2 (0.24)
3
1
2
4
① LED，绿色
② LED 黄色
③ 按转元件
④ LED 蓝色
连接类型 插头，M8，3 针
3 1
4
4
数据表 | SICK 2026-06-16 14:13:59 · 如有更改，恕不另行通知！
光电传感器 - WTB4SP-21312120ZZZ
接线图 CD-514
+ (L+)
- (M)
Q
BN
BU
BK
1
3
4
真值表 推挽：PNP/NPN - 暗通开关
Ǭ
Dark switching Q (normally closed (upper switch), normally open (lower switch))
Object not present - Output HIGH Object present - Output LOW
Light receive
Light receive indicator
Load resistance to L+
Load resistance to M
+ (L+)
Q
‒ (M)
+ (L+)
Q
‒ (M)
2026-06-16 14:13:59 · 如有更改，恕不另行通知！ 数据表 | SICK
5
光电传感器 - WTB4SP-21312120ZZZ
特征曲线
0
150
(5.91)
100
(3.94)
50
(1.97)
200
(7.87)
250
(9.84)
300
(11.81)
0
y
x
y
x
Minimum distance in mm (y) between the set sensing
range and white background (90 % remission factor)
Example:
Safe suppression of the background
White background (90 %)
Black object (6 % remission factor)
Set sensing range x = 150 mm
Needed minimum distance to white
background y = 5.5 mm
Distance in mm (inch)
Recommended sensing range for
the best performance
20
(0.79)
16
(0.63)
12
(0.47)
8
(0.31)
4
(0.16)
1
6%/90%
90%/90%
3
2
18%/90%
① 黑色物体，6% 反射
② 灰色物体，18% 反射
③ 白色物体，90% 反射
光点尺寸
0
Distance in mm (inch)
Dimensions in mm (inch)
4
(0.16)
6
(0.24)
–6
(–0.24)
–4
(–0.16)
0
2
(0.08)
–2
(–0.08)
Recommended sensing range for
the best performance
150
(5.91)
100
(3.94)
50
(1.97)
200
(7.87)
250
(9.84)
300
(11.81)
10
(0.39)
250
(9.84)
110
(4.33)
6
数据表 | SICK 2026-06-16 14:13:59 · 如有更改，恕不另行通知！