ABB 64606905 RCAN-01 CANopen Adapter Module

The RCAN-01 CANopen Adapter module is an optional device for ABB drives, which enables the connection of the drive to a CANopen system. Through the RCAN-01 module, it is possible to：

*give control commands to the drive (Start, Stop, Run enable, etc.)

*feed a motor speed or torque reference to the drive ï give a process actual value or a process reference to the PID controller of the drive

*read status information and actual values from the drive

*change drive parameter values ï reset a drive fault.

The communication objects and functions supported by the RCAN-01 module are discussed in Chapter Communication.

The adapter module is mounted into an option slot of the motor control board of the drive. See the appropriate drive hardware manual for module placement options.

The construction of the CANopen network and the layout of the RCAN-01 module are presented in the following figure:

CANopen is a higher-layer protocol based on the CAN (Control Area Network) serial bus system and the CAL (CAN Application Layer). CANopen assumes that the hardware of the connected device has a CAN transceiver and a CAN controller as specified in ISO 11898.

The CANopen Communication Profile, CiA DS 301, includes both cyclic and event-driven communication, which makes it possible to reduce the bus load to a minimum while still maintaining extremely short reaction times. High communication performance can be achieved at relatively low baud rates, thus reducing EMC problems and cable costs.

CANopen device profiles define both direct access to drive parameters and time-critical process data communication. The RCAN-01 module fulfils the CiA (CAN in Automation) standard DSP 402 (Drives and Motion Control).

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