In order to achieve information collection and command output over as large a range as possible, we need to distribute the IO through a fieldbus. How can this be achieved? The answer is to connect several IO couplers on the communication bus, which communicate data with controllers such as PLC. The PLC and other controllers utilize the IO interfaces of the IO couplers to achieve long-distance information collection and command output.
Since most PLCs use Modbus bus communication, the style of the IO couplers is generally also Modbus IO. However, with the emergence of the more comprehensive CAN bus, CANopen PLCs have been developed one after another, making the development of CANopen distributed IO a natural progression.
Currently, we have multiple models of distributed IO coupler devices, including types with eight digital inputs and eight digital outputs, types for collecting eight analog signals, types for collecting temperature data from eight thermocouples, and types for eight current outputs, among others. If you are not satisfied, we have also successfully developed a CANopen distributed IO that supports freely installable IO plug-ins, which can connect up to 32 IO plug-ins under sufficient power support, integrating more than 256 IO interfaces for the controller.
If you need CANopen distributed IO, feel free to add WeChat 183-0981-5706 for specific inquiries, and you are welcome to visit.