KCD2-STC-1.2O信号隔离器特性
•1通道信号隔离器
•24 V直流电源(电源轨)
•2线智能变送器和电流源的输入。
•信号分离器(1个输入2个输出)
•双输出0/ 4ma…20ma或0/ 1v…5伏
•带有测试套接字的接线板。
•至sil2 acc。IEC 61508
KCD2-STC-1.2O信号隔离器应用
KCD2-STC-1.2O信号隔离器在场电路和控制电路之间。该设备提供2线发射机，也可以使用与当前的来源。该设备将模拟输入信号传输到控制端作为两个孤立的输出信号。支持双向通信使用电流调制传输的智能发射机数据和电压调制以接收数据。输出被选择为当前源、当前接收器或通过开关电压源。HART通信器连接的测试套接字为集成到设备的终端。
KCD2-STC-1.2O信号隔离器参数
Signal type Analog input
Supply
Connection Power Rail or terminals 9+, 10-
Rated voltage Un 18 ... 30 V DC
Ripple within the supply tolerance
Power dissipation approx. 1.4 W at 20 mA transfer current, 250 Ω in both outputs
Power consumption 2 W
Input
Connection terminals 1+, 2- (sink); 3+, 4- (source)
Input signal 0/4 ... 20 mA
Open circuit voltage/short-circuit current terminals 1+, 2-: 17 V/25 mA
Voltage drop terminals 3, 4: ≤ 6.1 V at 20 mA
Input resistance terminals 1+, 2-: ≤ 500 Ω
(250 Ω load)
Available voltage terminals 1+, 2-: ≥ 16 V at 20 mA
Output
Connection source: terminals 5-, 6+; 7-, 8+
sink: terminals 5+, 6-, 7+, 8-
Load channel 1: 0 ... 500 Ω (20 mA)/< 1 MΩ (5 V)
channel 2: 0 ... 500 Ω (20 mA)/< 1 MΩ (5 V)
Output signal 0/4 ... 20 mA or 0/1 ... 5 V
Ripple ≤ 50 μA rms
Transfer characteristics
Deviation Iout < 20 μA; Vout < 7.5 mV incl. calibration, linearity, hysteresis and fluctuation of supply voltage,
at 20 °C (68 °F), 0/4 ... 20 mA, 0/1 ... 5 V
Influence of ambient temperature 0.25 μA/K
Frequency range field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 7.5 kHz (-3 dB)
control side into the field side: bandwidth with 0.5 Vpp signal 0.3 ... 7.5 kHz (-3 dB)
Settling time 200 μs
Rise time/fall time 20 μs
Electrical isolation
Output/power supply functional insulation, rated insulation voltage 50 V AC
Output/Output functional insulation, rated insulation voltage 50 V AC
KC系列倍加福安全栅
KCD2-UT2-Ex1
KCD2-SR-1.LB
KCD2-STC-Ex1
KCD2-RR-Ex1
KCD2-SR-Ex1.LB
KCD2-SR-EX2
KCD2-SCD-1
KCD2-SCD-Ex1
KCD2-STC-1
KCD2-UT2-1
KCD2-STC-1.2O
KCD2-STC-Ex1.2O
KF系列倍加福安全栅
KFD2-STC4-EX1
KFD2-STC4-EX1.2O
KFD2-STC4-EX2
KFD2-SR2-EX1.W
KFD2-SR2-EX2.W
KFD2-SR2-EX1.W.LB
KFD2-SCD-EX1.LK
KFD2-SCD2-EX1.LK
KFD2-SCD2-EX2.LK
KFD2-CD-EX1.32
KFD2-UT2-EX1
KFD2-UT2-EX2
KFD2-STC4-1
KFD2-STC4-2
KFD2-STC4-1.2O
K-ADP-USB
倍加福浪涌保护器
K-LB-1.30G K-LB-2.30G K-LB-1.6G K-LB-2.6G K-LB-1.30 K-LB-2.30 K-LB-1.6 K-LB-2.6
FN-LB-I FP-LB-I FS-LB-I M-LB-1.150.D M-LB-2.150TN.D M-LB-3.150TNC.D M-LB-4.150TNS.D M-LB-1.275.D M-LB-2.275TN.D
M-LB-3.275TNC.D M-LB-4.275TNS.D M-LB-4.275TT.D M-LB-1.150.M M-LB-1.275.M
