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产品名称:
德国倍加福接近开关，NCB4-12GM40-N0
产品型号:
NCB4-12GM40-N0
产品展商:
P+F
简单介绍
德国倍加福接近开关，NCB4-12GM40-N0
特性
4 mm 齐平安装
适用于 SIL2 符合 IEC 61508
Features
4 mm flush
Usable up to SIL2 acc. to IEC 61508
德国倍加福接近开关，NCB4-12GM40-N0的详细介绍
德国倍加福接近开关，NCB4-12GM40-N0
特性
4 mm 齐平安装
适用于 SIL2 符合 IEC 61508
技术参数
一般说明
开关点功能NAMUR 常闭
额定检测距离sn 4 mm
安装齐平
输出极性NAMUR
可靠动作距离sa 0 ... 3.24 mm
衰减系数rAl 0.41
衰减系数rCu 0.39
衰减系数rV2A 0.78
额定等级
工作电压Uo 8 V
开关频率f 0 ... 1500 Hz
迟滞H 1 ... 15 典型值5 %
反极性保护是
短路保护是
电流消耗
未检测到金属板 2.2 mA
检测到金属板 1 mA
开关状态指示全方位LED 指示灯，黄色
周围环境
环境温度-25 ... 100°C (248 ... 373 K)
储存温度-40 ... 100°C (233 ... 373 K)
机械特性
接线形式2 m, PVC 电缆
导线截面积0.34 mm2
外壳材质不锈钢
感应面PBT
防护等级IP67
德国倍加福接近开关，NCB4-12GM40-N0
Features
4 mm flush
Usable up to SIL2 acc. to IEC 61508
Technical Data
General specifications
Switching element function NAMUR, NC
Rated operating distance sn 4 mm
Installation flush
Output polarity NAMUR
Assured operating distance sa 0 ... 3.24 mm
Reduction factor rAl 0.41
Reduction factor rCu 0.39
Reduction factor r304 0.78
Nominal ratings
Nominal voltage Uo 8.2 V (Ri approx. 1 kΩ)
Switching frequency f 0 ... 1500 Hz
Hysteresis H 1 ... 15 typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection yes
Suitable for 2:1 technology yes , Reverse polarity protection diode not required
Current consumption
Measuring plate not detected ≥ 2.2 mA
Measuring plate detected ≤ 1 mA
Switching state indicator all direction LED, yellow
Functional safety related parameters
MTTFd 3010 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -25 ... 100 °C (-13 ... 212 °F)
Storage temperature -40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection type cable PVC , 2 m
Core cross-section 0.34 mm2
Housing material Stainless steel 1.4305 / AISI 303
Sensing face PBT
Degree of protection IP67
