R120CPU - Mitsubishi Programmable Controllers Melsec
Mitsubishi R120CPU PLC is a standard CPU offering 1200K steps memory, 12288 I/O capacity, and 0.98 ns cycle time. This Mitsubishi PLC from the FX series supports 4096 local I/O, Ethernet connectivity, buffer battery backup, compact dimensions, and certified industrial approvals.

| Brand | Mitsubishi |
| Product Type | PLC(Programmable Logic Controller) |
| Product | R120CPU |
R120CPU Mitsubishi Programmable Controllers Melsec Technical Specifications
| Specification | Value |
|---|---|
| Type | STANDARD CPU |
| Program Memory | 1200K |
| Program Memory Unit | STEPS |
| Local I/O Points | 4096 |
| Local + Remote I/O Points | 12288 |
| Cycle Time LD (ns) | 0,98 |
| Cycle Time MOV (ns) | 1,96 |
| Ethernet Port | 1 |
| Buffer Battery | YES |
| Series | MELSEC IQ-R SERIES |
| Depth (mm) | 110 |
| Weight (kg) | 0,2 |
| Width (mm) | 27,8 |
| Height (mm) | 98 (106) |
| CE | COMPLIANT |
| Shipping Approvals | ABS,BV,DNV GL,LR,NK,RINA |
| EAC | NON-COMPLIANT |
| UL/cUL | COMPLIANT |
| UKCA | COMPLIANT |
The Mitsubishi R120CPU PLC is a programmable logic controller used in structured industrial automation systems. This Mitsubishi R120CPU PLC operates as a standard CPU with 1200K program steps, supports 12288 total I/O points, and executes logic instructions at 0.98 ns. It belongs to the FX series and is applied where high-speed processing and scalable I/O configuration are required in control architectures.
In industrial environments, the Mitsubishi R120CPU PLC is applied in conveyors, packaging machinery, automated assembly lines, and coordinated production systems. Its high I/O handling allows stable integration of sensors, drives, and field devices. Fast execution timing ensures precise sequence control, while Ethernet communication supports consistent data exchange between controllers, operator panels, and monitoring systems.
The Mitsubishi R120CPU PLC offers predictable performance through defined memory structure, battery-backed retention, and standardized physical dimensions. Compliance with international approvals supports long-term industrial deployment. As part of the FX series, the R120CPU fits controlled automation designs that prioritize reliability, consistent execution speed, and dependable operation in continuous industrial processes.




