(under construction)


Many systems call for some kind of feedback on rotating on linear movements. Howver, most of those are not that critical to warrant expensive encoder solutions. For such situations, this encoder interace takes readings from one or a pair of simple reflective photo detectors or photo interruptors and sends it onto a CANopen interface.


Resistance sensor CAN-bus node
  • One opto-coupler connection for single pulse encoder mode (no direction)
  • Two opto-coupler connections for incremental encoder mode
  • Capture min/max/avg at slow message rate
  • Conversion of field value (FV) to process value (PV) in RPM, speed, distance, etc
  • CANopen® fieldbus, encoder device profile CiA 406
  • Possibility for branding or custom firmware with specific behaviour

Network functions (via a CANopen gateway/master)

  • Stream data via JSON
  • View data directly via HTML, no cloud needed
  • Logging to micro-SD card
  • Bus ID assigned via serial number
  • Configuration & firmware update


  • Two logic input signals with pullup resistors
  • Two 10mA LED current sources 10mA, max 3V
  • Sensor I/O galvanically isolated from CAN-bus, intrinsic safe 500V isolation made of 1.5mm solid material
  • CANopen® device profile for encoders (CiA 406)
  • Supports LSS node ID assignment and Fastscan (CiA 305)
  • Supports automatic bitrate detection between 10kbps and 1Mbps (CiA 801)
  • Supports power management & monitoring features (CiA 302-9 + custom)
  • Bus powered 6-38VDC, power <1W
  • 8-Way 3.5mm screw terminal connection
  • 5-Pin spring-contact termination for CAN, power and shield
  • Ground and shield and 'hazardous-GND' individually terminated to earth via 1nF class Y1 safety capacitors
  • Aluminium IP67 enclosure 64x58mm, height 35mm
  • Integrated mounting flanges (94mm wide), optionally without flanges
  • Two M16 brass cable gland entries in sides
  • Optional with 5-pole & 8-pole industrial M12 plug connections
  • ATEX (IEC 60079) 'ic', 'ec', 'mc' & 'tc'




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