ICP DAS has announced several different solutions for the CANopen remote I/O, such as the CAN-8123, CAN-8223, CAN-8423 and CAN-2000C series products. In order to progress in the efficiency of the CANopen network security and approach to the trend of the market, the Heartbeat functionality which is more efficient than Node Guarding functionality is included in these CANopen remote I/O. It can be used for not only detecting the status of the CANopen slaves in time but decreasing the bus loading for the CANopen network. Besides, the CANopen remote I/O also provides the exclusive function, the Digital I/O Pair-connection function. By the configuration the rotary switch, the CANopen DI slave can info any change of the DI status to any other CANopen DO slave through the CANopen network, and then these CANopen DO slaves will modify the DO outputs according to the received DI status. These features greatly improve the performance and flexibility for the CANopen network system. |