Mitsubishi Q68B - PLC Base Unit
The Mitsubishi Q68B Programmable Logic Controller is an extension base unit with 8 slots and one power supply slot. Part of the Mitsubishi automation portfolio, this PLC extension base unit supports the Mitsubishi PLC platform within the MELSEC-Q SERIES, providing 328 mm width, 98 mm height, 44.1 mm depth, and 0.35 kg weight.

| Brand | Mitsubishi Electric |
| Product Type | PLC(Programmable Logic Controller) |
| Product | Q68B |
Mitsubishi PLC Base Unit Q68B Technical Specifications
| Specification | Value |
|---|---|
| Series | MELSEC-Q SERIES |
| Type | EXTENSION BASE UNIT |
| Slots | 8 |
| Slots for Power Supply | 1 |
| Depth (mm) | 44,1 |
| Weight (kg) | 0,35 |
| Width (mm) | 328 |
| Height (mm) | 98 |
The Q68B Programmable Logic Controller from Mitsubishi is an extension base unit used for PLC system expansion in industrial automation. This Q68B Programmable Logic Controller supports 8 slots, includes one power supply slot, and belongs to the MELSEC-Q SERIES. Its 328 mm width and defined mechanical dimensions allow consistent installation across structured control panels.
In industrial automation applications, the Q68B Programmable Logic Controller extension base unit is used in conveyors, packaging machines, assembly lines, and distributed automation panels. The slot configuration enables organized expansion of CPU and I/O modules while maintaining stable layouts. Defined physical dimensions support secure mounting, orderly wiring, and predictable cabinet design across manufacturing environments.
The Mitsubishi Q68B PLC extension base unit supports dependable system expansion through standardized slot distribution and series compatibility. As part of the MELSEC-Q SERIES, it aligns with established PLC architectures used in industrial facilities. The Q68B Programmable Logic Controller, supported by Mitsubishi engineering standards, is suitable for long-term industrial use requiring reliable physical integration and scalable control system design.




