Compact CK3M-CPU121 PLC with High-Speed Processing and Built-in I/O for Automation Control
Compact CK3M-CPU121 PLC with High-Speed Processing and Built-in I/O for Automation Control
SKU:CK3M-CPU121
Package size: 20X15X20CM
Omron CK3M-CPU121 Programmable Logic Controller (PLC)
Premium Industrial Automation Control Solution
The Omron CK3M-CPU121 represents the pinnacle of compact PLC technology within the CK3M series, delivering exceptional processing power and reliability for industrial automation systems. Engineered specifically for demanding manufacturing environments, this PLC combines advanced control capabilities with rugged construction to withstand challenging operational conditions. The unit's 32-bit RISC processor ensures rapid execution of complex control algorithms while maintaining precise synchronization with industrial processes. With its modular architecture, the CK3M-CPU121 provides scalable solutions for applications ranging from simple machine control to sophisticated distributed automation networks.
Key Features and Operational Advantages
- High-Density I/O Configuration: Base unit supports 20 I/O points with expansion capability up to 320 points (including digital and analog modules) through dedicated expansion ports, enabling flexible system architecture for growing automation needs
- Space-Optimized Industrial Design: Compact 90 × 90 × 75 mm (W×H×D) footprint with 35mm DIN rail mounting (conforms to EN 60715) and integrated terminal blocks for efficient panel space utilization
- Energy-Efficient Performance: 24V DC (±15%) power input with low 15W typical power consumption (18W max) reduces operational costs while meeting strict industrial power standards
- Advanced Memory Architecture: 32KB flash memory for program storage with password protection and 16KB battery-backed RAM (lithium battery CR2032) for critical data retention during power interruptions
- Comprehensive Industrial Communication: Integrated RS-232C (D-Sub 9-pin) programming port and RS-485 (terminal block) communication port supporting multiple protocols including Modbus RTU for seamless integration with HMI, SCADA, and other industrial devices
- Rugged Environmental Specifications: Certified for operation in 0°C to 55°C ambient temperatures with 10-90% relative humidity (non-condensing) and vibration resistance up to 150Hz/9.8m/s² for reliable performance in harsh industrial settings
- Manufacturer Warranty Protection: Backed by Omron's standard 1-year limited warranty covering defects in materials and workmanship under normal operating conditions
Industrial Automation Applications
- Precision Manufacturing Systems: Ideal for CNC machine control, robotic cell management, and automated assembly line synchronization in automotive, electronics, and precision engineering sectors
- Continuous Process Industries: Reliable control solution for batch processing, flow regulation, and parameter monitoring in chemical plants, food processing facilities, and pharmaceutical production lines
- Logistics Automation: High-speed control for automated storage/retrieval systems (AS/RS), conveyor network coordination, and package sorting equipment in distribution centers
- Packaging Machinery: Precise timing control for form-fill-seal machines, labeling systems, and cartoning equipment with synchronization capabilities for multi-axis motion control
- Building Automation: Energy management applications including HVAC system optimization, lighting control sequences, and power monitoring in commercial facilities
- Infrastructure Monitoring: SCADA integration for water treatment plants, pumping station control, and environmental parameter tracking in municipal applications
Comprehensive Technical Specifications
| Specification Category | Technical Parameters |
|---|---|
| Product Identification | Omron CK3M Series Programmable Controller, Model CK3M-CPU121 (Base Unit) |
| System Architecture | Modular design with CPU base unit (20 I/O points) supporting up to 7 expansion modules (maximum system configuration) |
| Total I/O Capacity | Maximum 320 points (including 20 base unit points + 300 expansion points) with digital/analog mixed configuration capability |
| Physical Dimensions | 90mm (W) × 90mm (H) × 75mm (D) [3.54" × 3.54" × 2.95"] (Base unit only, excludes expansion modules) |
| Power Supply Requirements | 24V DC nominal input (21.6V to 26.4V range) with reverse polarity protection and surge suppression |
| Power Consumption | 15W typical (18W maximum) including base unit and connected expansion modules |
| Processing Performance | 0.5μs execution time for basic LD instructions, 3.6μs for MOV instructions, with deterministic scan cycle timing |
| Program Memory Capacity | 32KB non-volatile flash memory (supports up to 10,000 ladder program steps) with program protection functionality |
| Data Storage Capacity | 16KB RAM (including 8KB retentive memory) with battery backup (CR2032 lithium battery, typical 5-year life) |
| Integrated Communication Ports | 1 × RS-232C (D-Sub 9-pin female) programming port (115.2kbps max), 1 × RS-485 (terminal block) communication port (115.2kbps max, supports Modbus RTU protocol) |
| Operating Environment | Temperature: 0°C to 55°C (32°F to 131°F), Humidity: 10% to 90% RH (non-condensing), Altitude: ≤2000m |
| Storage Conditions | Temperature: -25°C to 65°C (-13°F to 149°F), Humidity: 10% to 95% RH (non-condensing) |
| Mechanical Durability | Vibration resistance: 10-57Hz at 0.075mm amplitude, 57-150Hz at 9.8m/s² acceleration (compliant with IEC 61131-2) |
| Impact Resistance | Withstands 147m/s² (15G) shock in X/Y/Z directions (3 times each direction, compliant with IEC 60068-2-27) |
| Warranty Coverage | 1-year limited warranty from date of purchase against manufacturing defects (excludes consumables like backup battery) |
The Omron CK3M-CPU121 Programmable Logic Controller delivers industrial-grade reliability and advanced control capabilities in a compact, cost-effective package. Its robust construction meets rigorous industrial standards while providing the processing power needed for modern automation applications. The unit's modular design allows for system expansion as operational requirements grow, protecting your automation investment. With Omron's reputation for quality and the included 1-year warranty, the CK3M-CPU121 represents an optimal balance of performance, durability, and value for industrial control applications across multiple sectors.
