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Mitsubishi Electric Q03UDECPU MELSEC-Q Universal PLC CPU with Ethernet
Mitsubishi Electric Q03UDECPU is a Universal-model MELSEC-Q programmable controller CPU with built-in Ethernet and USB interfaces. It has been widely used in modular Mitsubishi control systems and remains important for installed machinery even as Mitsubishi transitions the MELSEC-Q CPU line toward newer platforms.
This listing is for the exact manufacturer reference Q03UDECPU. Corwin Solutions creates exact model-level pages because industrial components within the same product family can look almost identical while differing in power rating, network protocol, memory, firmware, safety functions, I/O, enclosure, option cards, mechanical fit, or lifecycle status.
Key product details
- Manufacturer: Mitsubishi Electric
- Model: Q03UDECPU
- Platform: MELSEC-Q Series
- Product type: Universal PLC CPU
- I/O points: 4,096
- I/O device points: 8,192
- Program capacity: 30K steps
- Program memory: 120 KB
- Basic LD processing speed: 20 ns
- Interfaces: USB and built-in Ethernet
- Memory card interface: Yes
- Sales status: To be discontinued
- End of order: September 2026
- Discontinuation: October 2026
- Repair support expiration: October 2033
Common applications Common applications include legacy production lines, packaging machines, material handling, process equipment, assembly systems, machine tools, OEM machinery, and facilities maintaining installed MELSEC-Q racks.
Compatibility and ordering note: This CPU is entering discontinuation, so exact spare sourcing and migration planning are both important. Confirm the full model, GX Works/GX Developer project, rack and module list, Ethernet settings, memory card, special-function modules, motion or network modules, CPU parameters, firmware, backups, and Mitsubishi's migration guidance before moving to iQ-R or another CPU.
Why this part is commonly sourced: Purchasing and maintenance teams may need the exact model to restore a failed production asset, preserve an installed OEM platform, support an obsolete or phase-out machine, build critical-spare inventory, complete a BOM, or avoid unnecessary redesign and recommissioning during downtime.
Need Q03UDECPU? Send Corwin Solutions the required quantity, preferred condition, ship-to destination, and delivery deadline. For replacement requests, include a clear photo of the existing nameplate plus any known series, firmware, network, HMI project, motor, option-card, safety, enclosure, or parameter information. Availability, condition, exact configuration, lifecycle context, and lead time are confirmed at quotation.
Mitsubishi Electric Q03UDECPU is a Universal-model MELSEC-Q programmable controller CPU with built-in Ethernet and USB interfaces. It has been widely used in modular Mitsubishi control systems and remains important for installed machinery even as Mitsubishi transitions the MELSEC-Q CPU line toward newer platforms.
This listing is for the exact manufacturer reference Q03UDECPU. Corwin Solutions creates exact model-level pages because industrial components within the same product family can look almost identical while differing in power rating, network protocol, memory, firmware, safety functions, I/O, enclosure, option cards, mechanical fit, or lifecycle status.
Key product details
- Manufacturer: Mitsubishi Electric
- Model: Q03UDECPU
- Platform: MELSEC-Q Series
- Product type: Universal PLC CPU
- I/O points: 4,096
- I/O device points: 8,192
- Program capacity: 30K steps
- Program memory: 120 KB
- Basic LD processing speed: 20 ns
- Interfaces: USB and built-in Ethernet
- Memory card interface: Yes
- Sales status: To be discontinued
- End of order: September 2026
- Discontinuation: October 2026
- Repair support expiration: October 2033
Common applications Common applications include legacy production lines, packaging machines, material handling, process equipment, assembly systems, machine tools, OEM machinery, and facilities maintaining installed MELSEC-Q racks.
Compatibility and ordering note: This CPU is entering discontinuation, so exact spare sourcing and migration planning are both important. Confirm the full model, GX Works/GX Developer project, rack and module list, Ethernet settings, memory card, special-function modules, motion or network modules, CPU parameters, firmware, backups, and Mitsubishi's migration guidance before moving to iQ-R or another CPU.
Why this part is commonly sourced: Purchasing and maintenance teams may need the exact model to restore a failed production asset, preserve an installed OEM platform, support an obsolete or phase-out machine, build critical-spare inventory, complete a BOM, or avoid unnecessary redesign and recommissioning during downtime.
Need Q03UDECPU? Send Corwin Solutions the required quantity, preferred condition, ship-to destination, and delivery deadline. For replacement requests, include a clear photo of the existing nameplate plus any known series, firmware, network, HMI project, motor, option-card, safety, enclosure, or parameter information. Availability, condition, exact configuration, lifecycle context, and lead time are confirmed at quotation.