Omron CJ1W-CPU22 CJ Series PLC CPU Unit 10K Steps
SKU: CJ1W-CPU22USD 150.00
Omron CJ1W-CPU22 is a CJ series PLC CPU unit with 10K program capacity for small to medium machine automation applications.
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Product Overview
The CJ1W-CPU22 serves as the control core for CJ-based systems managing discrete logic, I/O coordination, and machine sequencing. It is widely used in installed automation fleets where stability and maintenance continuity are priorities. This CPU supports modular expansion strategies and practical lifecycle support in both OEM and plant environments.
- SKU: CJ1W-CPU22
- Series: CJ1W
- I/O: 2560 I/O
Best-Fit Applications
- Running core machine logic in production lines
- Coordinating modular I/O in CJ control racks
- Maintaining legacy systems with proven architecture
- Supporting phased upgrades through compatible modules
- Standardizing controller spares in installed fleets
- Retrofitting older CPU units for reliability continuity
Buying Checklist
- Proven platform for uptime-focused operations
- Supports low-risk lifecycle maintenance strategy
- Modular architecture enables practical expansion
- Strong installed-base familiarity reduces training burden
- Reliable choice for sustaining mature machine assets
Technical Specifications
| Model | CJ1W-CPU22 |
|---|---|
| Series | CJ1W |
| Type | PLC CPU Unit |
| Program Capacity | 10K steps |
| Data Memory | 16K words |
| Max I/O Points | 2560 points |
| LD Instruction Time | 0.1μs |
| Built-in Ports | RS-232C |
| High-Speed Counter | 100kHz 2-axis |
| Pulse Output | 100kHz 2-axis |
| Expandable Units | Up to 40 units |
| Battery Life | 5 years at 25°C |
| Operating Temperature | 0 to +55°C |
| Mounting | DIN rail or panel |
| Software | CX-Programmer |
Resources & Downloads
FAQ for CJ1W-CPU22
What's the difference between CJ1W-CPU21, CPU22, and CPU23?
Program capacity: CPU21=5K, CPU22=10K, CPU23=20K steps. All have same I/O capacity (2560 points) and features. Choose based on program size requirements.
Can this CPU communicate over Ethernet?
CJ1W-CPU22 has built-in RS-232C only. For Ethernet, add CJ1W-ETN21 Ethernet unit or CJ1W-EIP21 EtherNet/IP unit to the CPU rack.
What motion control capabilities does this CPU have?
Built-in: 2-axis 100kHz pulse output for stepper/servo control. For more axes or advanced motion (interpolation, cam), add CJ1W-NC position control units.
How do I backup the program?
Three methods: 1) Download to PC via CX-Programmer, 2) Copy to CX-One memory card (optional), 3) Upload from PLC to PC. Regular backups recommended before any changes.
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