Mitsubishi R312B PLC Base Unit (MELSEC iQ-R Series)
The Mitsubishi R312B PLC base unit with 12 slots and single power supply slot configuration. Part of the Mitsubishi automation portfolio, this PLC base unit supports the Mitsubishi PLC platform within the MELSEC IQ-R SERIES, offering 439 mm width, 101 mm height, 32.5 mm depth, and 0.72 kg weight for structured control system layouts.

| Brand | Mitsubishi Electric |
| Product Type | PLC(Programmable Logic Controller) |
| Product | R312B |
Mitsubishi PLC Programmable Logic Controller R312B Technical Specifications
| Specification | Value |
|---|---|
| Series | MELSEC IQ-R SERIES |
| Type | MAIN BASE UNIT |
| Slots | 12 |
| Slots for Power Supply | 1 |
| Depth (mm) | 32,5 mm |
| Weight (kg) | 0,72 kg |
| Width (mm) | 439 mm |
| Height (mm) | 101 mm |
The R312B Programmable Logic Controller from Mitsubishi is a main base unit designed for structured PLC system assembly. This model supports 12 module slots, includes one dedicated power supply slot, and aligns with the MELSEC IQ-R SERIES architecture. With a standardized 439 mm width and controlled mechanical dimensions, R312B Programmable Logic Controller integration remains predictable within industrial automation panels.
Within industrial automation environments, the R312B Programmable Logic Controller base unit is commonly used in conveyor systems, packaging lines, assembly stations, and distributed control panels. Its slot capacity enables flexible CPU and I/O placement, supporting scalable automation layouts. The defined mechanical profile helps maintain stable module alignment and consistent wiring practices across control cabinets in production facilities.
The Mitsubishi R312B PLC base unit reinforces system reliability through standardized slot distribution and series-level compatibility. As part of the MELSEC IQ-R SERIES, it maintains consistency across control architectures while supporting modular expansion. The R312B Programmable Logic Controller structure, combined with Mitsubishi engineering standards, makes it suitable for long-term industrial automation deployments requiring predictable layout and dependable physical integration.




