Mitsubishi Q68B-C Extension Base Unit for MELSEC-Q Series

The Mitsubishi Q68B-C (Q68B-C) is an extension base unit designed for use with Mitsubishi MELSEC-Q series programmable logic controller systems. Serving as an expansion foundation within modular automation architectures, this base unit enables the integration and interconnection of multiple I/O and intelligent function modules to expand system capabilities. It facilitates reliable communication across the system backplane, ensuring stable data exchange and power routing between installed modules and the main controller assembly. With a net weight of 10 kg, the unit provides a robust physical mounting structure for industrial control panels, machine automation setups, and manufacturing systems. The Q68B-C is utilized across various industrial automation sectors, including automotive manufacturing, packaging machinery, material handling lines, and process control facilities that require dependable MELSEC-Q system expansion. It is suitable for maintenance, repair, and scheduled replacement in existing production environments, ensuring ongoing operational compatibility and minimizing equipment downtime.