Digital Input RTU Module

  • 24 optically isolated digital inputs
  • Sample rate 1ms
  • Time stamped values
  • Time synchronization by communication protocol and by Telem-GPS interface
  • Internal or external 24 or 48 V DC signal power
  • Optional external 110 V DC signal power

Common features of Telem I/O modules:

  • Disconnection terminals with test sockets
  • Terminal wires up to 2,5 mm
  • RS-232 and RS-422 interfaces
  • Communication protocol IEC 60870-5-101 Unbalanced
  • Daisy-chain connection for up to 15 modules




TELEM – SCADA is a solution designed for use in high-, medium- and low-voltage electric power distribution networks.


AS Martem Laki 25, 12915 Tallinn, Estonia
Phone: (+372) 639 7979 E-mail: martem [at] martem dot eu