回路供电，本质安全隔离器
KFD0型回路供电，电流隔离栅为与Dwyer本安变送器的通信提供隔离，该变送器已批准用于危险区域。当使用并联型二极管型安全栅时，电流隔离栅无需高完整性接地。与大多数其他隔离器不同，型号KFD0-SCSEX1.55不需要外部电源，并且具有低电流消耗。外壳设计为易于安装在大多数标准DIN导轨上。
产品应用
用于HHT系列本质安全应用的隔离电压
Hazardous Area Input:
Signal Range: 4 to 20 mA (linear transmission 1-22 mA); Available Transmitter Voltage: ≥16 V for supply voltage > 21 V.
Safe Area Output:Signal Range: 4 to 20 mA; Transmitter Voltage: ≤30 VDC.
Response Time:≤20 µs at 0, and ≤600 µs at 800 Load.
Maximum Power Disipation:150 mW @ 20 mA and V<24 V.
Temperature Limits:-4 to 140°F (-20 to 60°C).
Temperature Drift:≤0.5 µA/°C.
Weight:4.2 oz (120 g).
Agency Approvals:CE, FM.
| Model | Description |
|---|---|
| KFD0-SCS-EX1.55 | Loop powered galvanic barrier for use with intrinsically safe transmitters. |
