Product Description of CJ1M-CPU11
The Omron CJ1M-CPU11 PLC is a compact, modular Programmable Logic Controller (PLC) designed for reliable machine automation and precise process control in industrial environments. As part of Omron’s trusted CJ1M series, this controller combines high processing performance with flexible I/O expansion, making it ideal for packaging machines, conveyors, material handling systems, textile equipment, food processing lines, and general factory automation.
Despite its compact footprint, the CJ1M-CPU11 delivers powerful control capability with fast program execution and stable operation in continuous production systems. The CPU executes ladder logic programs efficiently, enabling accurate timing, motion coordination, and equipment sequencing. Its modular rack-based architecture allows users to expand digital and analog I/O modules, communication cards, and specialty modules according to system requirements, eliminating the need to replace the controller as automation needs grow.
The PLC supports industry-standard communication protocols and integrates easily with HMIs, sensors, inverters, and SCADA monitoring systems. Built-in peripheral and RS-232C communication ports allow convenient programming, data exchange, and connection to external devices such as barcode readers, drives, and operator panels. Engineers can program and monitor the controller using Omron CX-Programmer software, which offers user-friendly ladder logic programming, troubleshooting tools, and real-time diagnostics.
The CJ1M-CPU11 is engineered for durability and long service life. Its non-volatile memory ensures program retention during power failure, while internal self-diagnostic functions help detect wiring faults and abnormal conditions. LED indicators provide clear operating status, simplifying maintenance and reducing downtime.
By combining compact size, reliable performance, flexible expansion, and seamless communication capability, the Omron CJ1M-CPU11 serves as a dependable automation controller for both standalone machines and integrated production lines. It is an excellent solution for industries seeking stable control, easy maintenance, and scalable automation without the complexity of large PLC systems.
Technical Specification
| Category | Specification |
|---|---|
| Brand | Omron |
| Series | CJ1M Series |
| Model Number | CJ1M-CPU11 |
| Product Type | Programmable Logic Controller (PLC) CPU Unit |
| PLC Type | Modular PLC Controller |
| Program Capacity | Approx. 5K Steps |
| Data Memory | DM Area with non-volatile retention |
| Programming Method | Ladder Logic Programming |
| Programming Software | Omron CX-Programmer |
| Processing Speed | High-speed instruction execution |
| I/O Expansion | Expandable via CJ Series I/O Modules |
| Maximum I/O Points | Expandable (depends on connected modules) |
| Communication Ports | Peripheral Port, RS-232C Serial Port |
| Communication Capability | PLC-to-PLC, HMI, SCADA, Barcode Reader, Inverter |
| Network Options | Optional communication modules available |
| Power Supply | Powered through CJ Series power supply unit |
| Status Indicators | RUN, ERR/ALM, COMM LED Indicators |
| Memory Backup | Non-volatile memory (program retention without battery loss) |
| Mounting | DIN Rail / Panel Mount (CJ Rack System) |
| Operating Environment | Industrial factory automation environments |
| Diagnostics | Self-diagnostic and error detection functions |
| Typical Applications | Packaging Machines, Conveyors, Textile Machinery, Material Handling, Food Processing |