回路供電，本質安全隔離器
KFD0型回路供電，電流隔離柵為與Dwyer本安變送器的通信提供隔離，該變送器已批準用于危險區域。當使用并聯型二極管型安全柵時，電流隔離柵無需高完整性接地。與大多數其他隔離器不同，型號KFD0-SCSEX1.55不需要外部電源，并且具有低電流消耗。外殼設計為易于安裝在大多數標準DIN導軌上。
產品應用
用于HHT系列本質安全應用的隔離電壓
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. |
