115S Serial Expansion I/O Units 

 

Typical Applications


Expansion I/O for 105U / 905U wireless units - up to 31 x 115S units can be connected to each wireless unit via RS485 (up to 2 km long)

Serial I/O multiplexer - transfer I/O via RS485 - up to 32 units per multi-drop link.

Expansion I/O for Modbus devices - up to 31 x 115S units can be connected to each Modbus master via RS485 (up to 2 km long)

Features

  • Connect to 105U/905U wireless I/O units for I/O expansion - up to 31 serial addresses per wireless unit
  • Connect 115S units together to form a serial multi-drop I/O system - up to 32 serial addresses per multi-drop link, no Master device is required to control communications
  • RS485 multi-drop up to 2 km (1 mile) depending on installation environment
  • Four I/O versions available
  • Multiple communication-failure diagnostics with output status
  • Easy-to-use E-Series Windows configuration software