SITRANS I supply units and isolation amplifiers from Siemens for supplying 2-wire transmitters, for the galvanic isolation of analog standard signals and for controlling electropneumatic positioners.

The SITRANS I series incudes the following supply units and isolation amplifiers:

• SITRANS I100 isolating power supplies with HART for rail mounting, with intrinsically safe input, for supplying 2- and 3-wire transmitters and for connecting mA sources in the hazardous area
• SITRANS I200 output isolators with for rail mounting, with intrinsically safe output, for controlling valve positioners, i/p converters or indicators in the hazardous area.