倍加福SIL认证温度安全栅KFD2-UT2-EX2

倍加福SIL认证温度安全栅KFD2-UT2-EX2特征
•双通道
•24v直流电源(电源线)
•热电偶、RTD、电位器或电压输入
•可用作信号分配器(1输入2输出)
•电流输出0/4 mA…20mA
•接收器或源模式
•可由PACTware配置
•线路故障(LFD)和传感器烧毁检测
•根据iec61508 / iec61511，安全等级可达SIL2

应用
这种隔离屏障用于内在安全应用。该装置转换电阻温度计的信号，热电偶，或电位器成比例输出电流。该设备还可以配置为信号分配器。可移动终端块K-CJC-**可用作附件用于内部冷端补偿热电偶。故障由led acc进行信号处理。到NAMUR NE44和a单独的集体错误消息输出。使用PACTware可以很容易地配置该设备配置软件。

技术参数
General specifications
Signal type Analog input
Supply
Connection terminals 14+, 15- or power feed module/Power Rail
Rated voltage Un 20 ... 30 V DC
Ripple within the supply tolerance
Power loss/power consumption ≤ 1.53 W / 1.53 W
Input
Connection terminals 1, 2, 3; 4, 5, 6
RTD type Pt10, Pt50, Pt100, Pt500, Pt1000 (EN 60751: 1995)
type Pt10GOST, Pt50GOST, Pt100GOST, Pt500GOST, Pt1000GOST (6651-94)
type Cu10, Cu50, Cu100 (P50353-92)
type Ni100 (DIN 43760)
Measuring current approx. 200 μA with RTD
Types of measuring 2-, 3-wire connection
Lead resistance ≤ 50 Ω per lead
Measuring circuit monitoring sensor breakage, sensor short-circuit
Thermocouples type B, E, J, K, N, R, S, T (IEC 584-1: 1995)
type L (DIN 43710: 1985)
type TXK, TXKH, TXA (P8.585-2001)
Cold junction compensation external and internal
Measuring circuit monitoring sensor breakage
Voltage selectable within the range -100 ... 100 mV
Potentiometer 0 ... 20 kΩ (2-wire connection), 0.8 ... 20 kΩ (3-wire connection)
Input resistance ≥ 1 MΩ (-100 ... 100 mV)
Output
Connection output I: terminal 7: source (-), sink (+), terminal 8: source (+), terminal 9: sink(-)
output II: terminal 10: source (-), sink (+), terminal 11: source (+), terminal 12: sink(-)
Output I, II Analog current output
Current range 0 ... 20 mA or 4 ... 20 mA
Fault ** downscale 0 or 2 mA, upscale 21.5 mA (acc. NAMUR NE43)
Source load 0 ... 550 Ω
open-circuit voltage ≤ 18 V
Sink Voltage across terminals 5 ... 30 V. If the current is supplied from a source > 16.5 V,
series resistance of ≥ (V - 16.5)/0.0215 Ω is needed, where V is the source voltage.
The maximum value of the resistance is (V - 5)/0.0215 Ω.