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 SITRANS I100/200  Isolating power supplies and Output isolators |
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Isolating power supplies and Output isolators |
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Analog input 0/4 to 20 mA
The isolating power supplies are used for the intrinsically safe operation of 2- and 3-wire transmitters and for connecting to intrinsically safe mA sources.
The 2- and 3-wire transmitters are supplied with auxiliary power from the transmitter supply unit.
For 2-wire transmitters the isolators transfer the HART communication signal bidirectionally.
The output isolators are used for the intrinsically safe operation of valve positioners, i/p converters or indicators.
Operation of intrinsically safe HART valve positioners (e.g. SIPART PS2 and SITRANS VP300) is also possible.
The units transfer a superimposed HART communication signal bidirectionally. |
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