The embedded network specialist

Anybus Communicator - CANopen

RS232/RS485/RS422 to CANopen protocol converter

Integrate your serial RS-232/422/485 based industrial devices and equipment to a CANopen control system without the need for any changes to the device. Just connect, configure and you're done!

The Anybus Communicator is a proven and trusted protocol converter gateway that connects non-networked industrial devices and equipment to CANopen. The gateway performs an intelligent protocol conversion and presents the serial data to the Master PLC/Controller as easily processed I/O data.
Anybus Communicator - CANopen
CANopen network
RS232/485/422 network
Anybus Communicator - CANopen
Anybus Communicator - CANopen

The Communicator is slim stand-alone gateway designed for IP20 and DIN-rail mounting, requiring a 24-volt power supply. The Communicator is conformance tested to current CANopen specifications guaranteeing network compatibility.

Typical serial applications

Typical serial applications include variable frequency drives, sensors, actuators, human machine interfaces, barcode readers, RFID readers and industrial scales among others.

Features and benefits

  • Saves machine builders and device manufacturers of integrating a CANopen interface
  • Allows system integrators to retro-fit older automation devices into CANopen environment
  • Requires no hardware or software changes to be made to the connected device
  • Compatible with all Controllers and PLCs with CANopen support
  • Performs complete serial protocol conversion, no Controller or PLC function blocks required
  • Intelligent I/O data mapping within the Communicator permits even devices with slow serial communication can be integrated without any restrictions to the upper network  
  • Possibility to connect upto 31 nodes via one Communicator giving inexpensive CANopen network connectivity for your devices 
  • Always free technical support from Twincom and HMS

Serial protocol configuration features

No high level programming skills are needed to set up the Anybus Communicator as configuration is accomplished using the included, easy to use Windows™ based Anybus Configuration Manager.

  • Selectable RS-232/422/485 interface
  • Pre-defined 6-step Modbus-RTU configuration wizard
  • Selectable pre-loaded DF1 commands. No scripting or serial frame building required!
  • Ability to configure ASCII or vendor specific protocols (Request/Response or Produce/Consume via a visual frame building interface
  • Multi-language support for English, German, Spanish, Italian, French, Polish, Russian, Chinese and Japanese
  • Handy Save/Load function allows for a completed configuration to be re-used for many other installations
  • Password protection prevents unauthorized upload and download of configurations
  • Serial Line Listener and In-built Checksum calculations for diagnostic and troubleshooting

CANopen interface features

  • Complete CANopen slave functionality according to CANopen Version 4.02
  • Max 512 bytes of Input and 512 bytes of Output data (PDO + SDO)
  • Customizable PDO mapping
  • Up to 80 RPDO’s and 80 TPDO’s
  • Transmission types: PDO Sync, Change-of-state, Event based and RTR
  • Network store/restore functionality
  • Heartbeat & Node Guarding support
  • Supports CANopen baudrates 10 kbit/s – 1 Mbit/s
  • CANopen configuration via .EDS file or DIP switches
  • 1x D-sub 9-pin male CANopen connector
Technical data
Dimensions  (L•W•H) 120 x 75 x 27mm
Weight 150g
Operating temperature 0 to +55 °C
Storage temperature -40 to +85 °C
Power supply 24 VDC
Current consumption max. 200mA (Typical 100mA)
Serial application Interface Selectable RS-232, RS-422, RS-485
Max stations   31 nodes via RS-422 or RS-485 
Galvanic isolation On both serial and CANopen side
Mechanical rating IP20, NEMA rating 1
Mounting DIN-rail (EN 50022 standard)
 - Modbus RTU
 - ASCII or Vendor Specific
 - Rockwell DF1
Modbus RTU Master - Request/Response
Request/Response or Produce/Consume
DF1 Master 
Certifications CE, CULUS, ATEX/Haz.Loc, RoHS
Contents of delivery
- Anybus Communicator - CANopen
- Configuration cable (RS-232)
- D-sub9 connector with screw
- Anybus Configuration Manager (Windows™)
- Quick Reference Manual
- User Manual

Part number(s)

Anybus Communicator - CANopen, 1x CAN , 1x RS232/485/422
all with Galvanic Isolation
Anybus Communicator - CANopen, 1x CAN , 1x RS232/485/422all with Galvanic Isolation


USB-RS-232 configuration adapter

Getting interested?

Are you interested in the Anybus Communicator - CANopen? Please request, without any obligation, for a quote. Would you like more information? Please send an email to or visit our contact page.
You can call us if you like, we can be reached at +31-40-2301.922. We are pleased to help you and do offer you practical advice and support.

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