德国P+F开关量信号隔离器KCD2-SR-1.LB

德国P+F开关量信号隔离器KCD2-SR-1.LB特点

1112/5000  

•1通道信号调节器

•24v直流电源(电源线)

•干燥接触或NAMUR输入

•可用作信号分配器(1输入2输出)

•继电器触点输出

•故障继电器触点输出

•线路故障检测(LFD)

•外壳宽度12.5毫米

•根据IEC 61508，安全等级可达SIL2

应用

这种信号调节器传输数字信号(NAMUR)传感器/机械触点)从现场到控制系统。接近传感器或开关控制形式a正常打开负载继电器触点。正常输出状态为

使用开关S1反转。开关S2允许输出II在信号输出和错误消息之间切换输出。开关S3启用或禁用线路故障检测电路。

在出现错误的情况下，继电器恢复到断电状态根据NAMUR NE44，状态和led指示故障。一个惟一的集体错误消息传递特性在什么时候可用与动力轨系统配套使用。由于其紧凑的外壳设计和低散热，该装置可用于检测位置、端部停止和在空间关键应用中切换状态。

技术参数

General specifications
Signal type Digital Input
Functional safety related beters
Safety Integrity Level (SIL) SIL 2
Supply
Connection Power Rail or terminals 9+, 10-
Rated voltage Ur 19 ... 30 V DC
Ripple ≤ 10 %
Rated current Ir ≤ 30 mA
Power dissipation ≤ 500 mW
Power consumption ≤ 500 mW
Input
Connection side field side
Connection terminals 1+, 2-
Rated values acc. to EN 60947-5-6 (NAMUR)
Open circuit voltage/short-circuit current approx. 10 V DC / approx. 8 mA
Switching point/switching hysteresis 1.2 ... 2.1 mA / approx. 0.2 mA
Line fault detection breakage I ≤ 0.1 mA , short-circuit I ≥ 6.5 mA
Pulse/Pause ratio ≥ 20 ms / ≥ 20 ms
Output
Connection side control side
Connection output I: terminals 5, 6 ; output II: terminals 7, 8
Output I signal ; relay
Output II signal or error message ; relay
Contact loading 253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 30 V DC/2 A resistive load
Minimum switch current 2 mA / 24 V DC
Energized/De-energized delay ≤ 20 ms / ≤ 20 ms
Mechanical life 107 switching cycles
Transfer characteristics
Switching frequency ≤ 10 Hz
Galvanic isolation
Input/Output reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff
Input/power supply reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff
Output/power supply reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff
Output/Output reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff
Indicators/settings
Display elements LEDs
Control elements DIP-switch
Configuration via DIP switches
Labeling space for labeling at the front
Directive conbity
Electromagnetic compatibility
Directive 2014/30/EU EN 61326-1:2013 (industrial bs)
Low voltage
Directive 2014/35/EU EN 61010-1:2010
Conbity
Electromagnetic compatibility NE 21:2006
Degree of protection IEC 60529