The Function-Extension FE260 has three different features:


  • Ex-separation of serial interface, digital outputs as well as
    power supply for  an EK230 or  EK260  volume  corrector
    which is  installed  inside a hazardous area
  • Internal interface  for plugging in a modem or for connecting an
    external modem 
  • Power supply for EK230 or EK260 volume correctors