The Omron C200H-CN311 is a backplane module developed by Omron Automation and Safety for use in industrial automation systems. It functions as a passive communication interface that connects I/O racks, supporting stable data exchange between modules. Designed with compatible connectors and compliant with industry communication standards, the C200H-CN311 ensures reliable signal transfer without the need for external power, utilizing the internal electrical connections of the rack system to maintain efficient communication performance in demanding industrial environments.