EIO3220 + 3020 - EIO I/O Expansion Module

The EIO3220+3020 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.


  • 10/100 Mbps Wired Ethernet in accordance with IEEE 802.3 via M12 D-Code connector.
  • One RS232 serial communications port.
  • One isolated RS485 serial communications port.
  • 8 Digital Inputs individually isolated from adjacent channels. 2mA @ 110VDC.
  • 8 isolated Analogue Inputs. Configured as: 0-10V (Ch1... Ch2); 0-20mA (Ch3... Ch5); NTC Thermistor (Ch6... Ch8).
  • Suitable for nominal battery voltages of 110VDC in accordance with EN 50155. 
  • Operating temperature range: -40°C to +70°C (+85°C for 10 minutes). 
  • Connections for RS232 and RS485 via DB9 female connectors. 
  • Connections via cage clamp plug socket connectors.
  • Conformal Coating. 
  • EN 50155 Compliant.