回路供電，本質(zhì)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(zhǔn)用于危險(xiǎn)區(qū)域。當(dāng)使用并聯(lián)型二極管型安全柵時(shí)，電流隔離柵無需高完整性接地。與大多數(shù)其他隔離器不同，型號(hào)KFD0-SCSEX1.55不需要外部電源，并且具有低電流消耗。外殼設(shè)計(jì)為易于安裝在大多數(shù)標(biāo)準(zhǔn)DIN導(dǎo)軌上。
產(chǎn)品應(yīng)用
用于HHT系列本質(zhì)安全應(yīng)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. |
