Output isolator for positioners, i/p-converters or displays in hazardous areas.
Isolating power supply for supply of 2-wire transmitters and mA sources with intrinsically safe input, approved up to SIL 2
The single-channel Ex i output isolation amplifiers are used for intrinsically safe operation of valve positioners, i/p converters or indicators.
Operation of intrinsically safe HART valve positioners (e.g. SIPART PS2) is also possible. The devices transfer a superimposed HART communication signal bidirectionally.
The SITRANS I200 is used for intrinsically safe operation of regulating valves, I/P converters or indicators.
- Superimposed HART communication signals are transmitted bidirectionally by the output isolator.
- Input, output and auxiliary power are electrically isolated from each other.
Design
The SITRANS I200-Ex i output isolation amplifier is comprised of a compact plastic enclosure (IP30) and is equipped with push-in screw terminals.
On the front are a green LED for indicating the power supply status and a red LED for signaling errors.
The auxiliary power supply can be individually connected using push-in screw terminals.
The SITRANS I200 Advantage
- Compact single-channel Ex i output isolation amplifiers
- Narrow design – 12.5 mm (0.49 inch) width – for single-channel version
- For HART output signals 0/4 to 20 mA
- Output intrinsically safe [Ex ia] IIC
- Galvanic isolation between input, output and auxiliary power
- Wire break and short-circuit monitoring and messaging (can be switched off)
- Installation permissible in Zone 2 and Div. 2
- Can be used up to SIL 2 (IEC/EN 61508)
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