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MITSUBISHI CPU Board
Brand: MITSUBISHI -
Code:SE-CPU2
| Combination name | Availability | Price |
|---|---|---|
CNC CPU Board – Mitsubishi SE-CPU2
The SE-CPU2 is a CNC central processing unit board (“CNC CPU Board”) manufactured by Mitsubishi Electric, and serves as the main computing component of the MELDAS series CNC control systems. The board integrates the main processor, program memory (Flash/EEPROM) and working memory (RAM), managing part program execution, axis interpolation and communication with peripheral modules via the system’s proprietary bus. Available in the SE-CPU2 variant, it may exist in different hardware revisions; compatibility with the installed CNC system software version must be verified before replacement.
The CPU board is the computational core of the CNC controller: it performs real-time axis interpolation, interprets ISO/G-code part programs and coordinates the operation of all system modules (axes, spindle, I/O, serial communications). A CPU board failure results in a complete machine stoppage — no movement is possible without this component, making its replacement or repair an absolute priority for production recovery.
Mitsubishi Electric is one of the world’s leading manufacturers of CNC systems and industrial automation, with the MELDAS line — now evolved into the MELDASMAGIC and M800/M80 series — installed in thousands of machine tools worldwide. Products in the SE series are legacy / discontinued: available exclusively as used, surplus, or through specialist repair service.
Main Technical Specifications
| Type | CNC central processing unit board (CNC CPU Board) |
| Part number | SE-CPU2 (SECPU2) |
| Brand | Mitsubishi Electric |
| Known application | Mitsubishi MELDAS series CNC systems (CNC machine tools) |
| Function | CNC central processing: real-time axis interpolation, ISO/G-code part program execution, system bus and peripheral module management |
| Supply voltage | +5 V DC (logic), ±12 V DC (typical for this series) |
| Memory | Flash/EEPROM for OS and firmware + RAM for working data |
| Interfaces | Mitsubishi MELDAS proprietary bus; backplane rack connectors |
| Serial communications | RS-232C / RS-422 (typical for MELDAS series) |
| Software compatibility | Verify hardware revision and MELDAS OS version before replacement |
| Weight | ~0.3–0.8 kg |
| Dimensions | ~200–350 mm |
| Production status | Legacy / discontinued — used/surplus/repair only |
