MIO04 - CAN & Serial Interfaces

Welcome to the MIO04 documentation

MIO04 product view

MIO04 is a serial and CAN interface module with Ethernet and WLAN connectivity for edge applications in rail systems.


  • Ethernet and WLAN communication interface to host
  • Power Supply via PoE or 12V/24V (DC)
  • 2 serial interfaces with RS232 or RS485-full-duplex or RS485-half-duplex
    • Virtual tty support using RFC2217
    • Appears as a standard tty device on Linux hosts
  • 1 ISO 11898 CANBus Interface, up to 1MBit/s
    • Usable for direct I/O or as data logger with multiple data streams.
    • SocketCAN Support
  • Galvanic isolation of all inputs and outputs
  • EN 50155 compliant

MIO04 is an Io4Edge device, and therefore supports the features common to all Io4Edge devices.

Detailed Technical Specification

Please refer to the Data Sheet