倍加福AO安全栅，KCD2-SCD-Ex1安全栅
倍加福AO安全栅，KCD2-SCD-Ex1安全栅
倍加福AO安全栅，KCD2-SCD-Ex1安全栅
•单通道安全栅
•24 V直流电源
•电流输出650Ω负载
•HART I/P和阀门***器
•准确度0.1%
•外壳厚度12.5毫米
•***高SIL2 acc。IEC 61508
应用
这种隔离屏障用于固有安全应用。它驱动智能I/P转换器，电动阀门和***区域的***器。数字信号是叠加在模拟值现场或控制侧，双向传输。通过DC/DC转换器传输的电流在终端1和2。开路电路的输入阻抗较高控制侧允许通过控制监视铅含量系统。如果数字通信的环路电阻太低，一个内部之间的250Ω电阻终端6和8可用，可以用作HART通信电阻。用于连接HART通信器的套接字是集成到设备的终端。
KCD2-SCD-Ex1安全栅技术参数
Signal type Analog output
Supply
Connection Power Rail or terminals 9+, 10-
Rated voltage Un 19 ... 30 V DC
Ripple ≤ 10 %
Rated current In ≤ 30 mA
Power loss ≤ 600 mW
Power c***umption ≤ 700 mW
Input
Connection terminals 5-, 6+
Input signal 4 ... 20 mA limited to approx. 30 mA
Input voltage depending on switch configuration
open loop voltage of the control system < 23 V
open loop voltage of the control system < 27 V
Voltage drop depending on switch configuration
open loop voltage of the control system < 23 V: approx. 6 V at 20 mA
open loop voltage of the control system < 27 V: approx. 10 V at 20 mA
Input resistance > 100 kΩ, with field wiring open
Output
Connection terminals 1+, 2-
Current 4 ... 20 mA
Load 0 ... 650 Ω
Voltage ≥ 13 V at 20 mA
Ripple 20 mV rms
