RIO3220 - RIO I/O Expansion Module

The RIO3220 has been designed using PC3 Series modules that have been proven to survive the rigors required for Railway Vehicles including:

  • Electrical surges and transients of EN 50155 / EN 50121-3-2.

  • Shock and vibration in accordance with EN 50155 / EN 61373.

  • Operating temperature range of -40°C to +70°C and relative humidity 5% to 95% non-condensing.


  • One Isolated RS485 port for connection with the Master Controller.
  • 8 isolated Analogue Inputs. Configured as: 0-10V (Ch1... Ch2); 0-20mA (Ch3... Ch5); NTC Thermistor (Ch6... Ch8).
  • Suitable for nominal battery voltages of 24VDC in accordance with EN 50155.
  • Operating temperature range: -40°C to +70°C (+85°C for 10 minutes).
  • Connections for RS485 via DB9 female connectors.
  • Connections via cage clamp plug socket connectors.
  • Conformal Coating.
  • EN 50155 Compliant.