Shanghai Chenzhu Instrument CO., LTD.
Shanghai Chenzhu Instrument CO., LTD.
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What are the main points when selecting an intrinsic isolated barrier?

The electrical parameters of intrinsic isolated barrier need to match field instrument/control room instrument electrical interface. Basically, we could complete the simple selection through the following 5 selection elements.


Hazardous area signal

Safe area signal

Power supply

Number of channels(Input channels/output channels)

Install method

Active 4-20mA

Active 4-20mA

Independentpower supply

1/1

DIN-rail mounting

Passive 4-20mA

Passive

4-20mA

Loop power supply

1/2

Backplane

mounting

Voltage signal

Voltage signal


2/2


Digital signal

Digital signal


3/3


Transistor

Transistor


4/4


Pulse voltage signal

Pulse voltage signal




Communication signal

Communication signal




Communication signal





Special specification



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