(under construction)


Since the pure CAN-bus is not directly compatible with common networking protocols (particularly TCP/IP), there needs to be a means of connecting the CAN network to a LAN or WAN.

This gateway deals with such task and receives data from the devices on the CAN-bus and processes this data according the needs of the system. It can be written to logfiles, presented via a webserver, or send over the network using techniques like JSON.

It is particularly useful for CANopen®-based telemetry networks. In such network, we primarily need to receive sensor data, and store this on a disk or server, or provide a dashboard of actual values.

Additionally, this gateway is responsible for keeping the devices up and running with the latest available firmware and settings. Typically, the firmware images are stored on the gateway via FTP or directly via SD card or USB flashdrive. But we could also have the gateway to retrieve updates automatically.

The lite version of the gateway provides basic data flow and control via JSON & HTTP. It's full featured counterpart adds GPRS/3G, Xbee, local I/O, power control & monitoring, programmability and logging capabilities.

Gateway module


  • Master two CANopen® busses, each with up to 120 sensor nodes
  • Networking services via HTTP, FTP, JSON, Telnet & plain TCP/IP
  • Connect via Ethernet or Wifi
  • Encryption capabilities to protect firmware, network data and CAN-bus communication
  • Arranges bus management including ID's, node configuration and firmware updates

Hardware Specifications

  • Cortex M7 microcontroller running the CAN-bus and networking functionalities
  • 8MB SPI flash and Micro-SD card socket for local storage
  • Ethernet 10/100Mbps networking
  • Wifi & bluetooth connection with antenna
  • Efficient power supply 9-38Vdc
  • Typical power consumption < 1watt
  • Optional integrated 24V 20W or 100W AC/DC power supply
  • 2× CAN-bus master 1Mbit-10kbit
  • 120x120mm IP67 enclosure, height 60mm
  • Intrusion detect microswitch



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