K109S is a device that accepts mA/V signals able to convert it into mA/V standard signals. The device can power also all 2-wire sensors and all parameters are confi gurable through dip-switches. The power supply connection is available on the terminals or a special connector (K-BUS) allows a distribution of the power supply to the modules via bus connector. A 3-way galvanic isolation among Power supply // input // output circuits assures the integrity of your datas.