Remote I/O - CANbus

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CAN-8423 (I-8421)

CANopen Remote I/O Unit with 4 I/O Expansions


CANopen, a kind of communication protocols, is based on the intelligent field bus (CAN bus). It was developed as a standardized embedded network with highly flexible configuration capabilities. It provides standardized communication objects for real-time data (Process Data Objects, PDO), configuration data (Service Data Objects, SDO), network management data (NMT message, and Error Control), and special functions (Time Stamp, Sync message, and Emergency message). By now, CANopen is used in many various application fields, such as medical equipment, off-road vehicles, maritime electronics, public transportation, building automation and etc.


  • NMT: Slave
  • Error Control: Node Guarding and Heartbeat Producer protocol
  • No. of PDOs: 16Rx , 16Tx
  • PDO Modes: Event Triggered, Remotely requested, Cyclic and acyclic SYNC
  • PDO Mapping: Available
  • No. of SDOs: 1 server, 0 client
  • Emergency Message: yes
  • CANopen Version: DS-301 v4.02
  • Device Profile: DSP-401 v2.1
  • Baud Rate Setting by Rotary Switch: 10K, 20K, 50K, 125K, 250K, 500K, 800K, and 1Mbps
  • Node ID setting by Rotary Switch: yes
  • Produce EDS file Dynamically: yes
  • ERR, RUN,and PWR LED: yes

Ordering Information

CAN-8423-G (I-8421): CANopen Remote I/O Unit with 4 Expansions                                 

CANBus Interface-25C to 75C OperatingDIN Rail MountCANbus Product Group10V to 30VDC Power

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