CJ Series PLC - Global Industrial Automation Solution
The CJ Series PLC is a modular controller designed for global industrial automation, featuring two major sub-series: CJ1 and CJ2. With comprehensive international certifications including UL, CE, and CSA, this PLC system ensures compliance and market access across Europe, America, and worldwide markets.
Core Features
- Dual-Series Modular Design: CJ1 (cost-effective) and CJ2 (high-performance) sub-series with flexible CPU, I/O, communication, and analog module combinations
- Global Compliance Certification: Fully certified by UL, CE, CSA for European, American, and global market regulatory requirements
- Powerful Computing Performance: CJ1 series supports 14K-120K program steps (0.1μs/step); CJ2 series offers 0.04μs/step execution with up to 60K program capacity
- Multi-Protocol Communication: Supports Ethernet/IP, PROFINET, PROFIBUS-DP, EtherCAT, DeviceNet, CANopen for seamless cross-border production line integration
- Diversified I/O Configuration: Digital I/O (8-64 points), mixed I/O, high-precision analog modules compatible with AC/DC voltage and sink/source output modes
Product Highlights
- Compact & Space-Saving: High-density I/O layout (up to 64 points per module) reduces electrical cabinet space requirements
- Stable & Reliable Operation: Anti-interference design for harsh industrial environments with program backup battery protection
- Cost-Effective & Scalable: Modular structure supports on-demand configuration and expansion with balanced performance and budget
- Easy Integration & Maintenance: Standardized programming software with plug-in module design for quick replacement without system downtime
Performance Specifications
General Specifications
| Item |
CJ2M-CPU31/32 |
CJ2H-CPU64/65/66/67/68 |
| Protection |
Cabinet-mounted type |
Cabinet-mounted type |
| Grounding |
<100Ω |
<100Ω |
| Dimensions (H×D×W) |
90mm×84.5mm×62mm |
90mm×65mm×49mm |
| Weight |
190g |
≤190g (including end cover & battery) |
| Current Consumption |
- |
DC5V, 0.42A |
| Operating Temperature |
0~55°C |
0~55°C |
| Operating Humidity |
10%~90% (no condensation) |
10%~90% (no condensation) |
| Storage Temperature |
-20~70°C (excluding battery) |
-20~70°C (excluding battery) |
| Altitude |
≤2000m |
≤2000m |
| Vibration Resistance |
Complies with IEC60068-2-6 |
5~8.4Hz (3.5mm amplitude); 8.4~150Hz (9.8m/s² acceleration, X/Y/Z axis, 100min) |
| Shock Resistance |
Complies with IEC60068-2-27 |
147m/s² (X/Y/Z axis, 3 times); 100m/s² for relay output units |
| Certification |
UL/CE/CSA |
cULus/NK/LR/EC Directives |
Performance Specifications
| Item |
CJ2M-CPU31/32 |
CJ2H-CPU64 |
CJ2H-CPU65 |
CJ2H-CPU66 |
CJ2H-CPU67 |
CJ2H-CPU68 |
| Program Capacity |
25K/30K steps |
50K steps |
100K steps |
150K steps |
250K steps |
400K steps |
| Data Memory Capacity |
64K words |
160K words |
160K words |
352K words |
- |
- |
| Logic Execution Time |
0.04μs/step |
0.016μs (basic instruction); 0.048μs (special instruction) |
Same as CPU64 |
Same as CPU64 |
Same as CPU64 |
Same as CPU64 |
| Max I/O Points |
2560 bits |
2560 bits |
2560 bits |
2560 bits |
2560 bits |
2560 bits |
| Max Expansion Units |
40 units |
40 units (10 units per rack) |
Same as CPU64 |
Same as CPU64 |
Same as CPU64 |
Same as CPU64 |
| Max Expansion Racks |
3 racks |
3 racks |
3 racks |
3 racks |
3 racks |
3 racks |
| Communication Ports |
Ethernet/IP, Ethernet TCP/IP, USB, RS-232C/485 (optional) |
RS-232C, USB; Ethernet/IP (EIP model) |
Same as CPU64 |
Same as CPU64 |
Same as CPU64 |
Same as CPU64 |
Industry Applications
Automotive Manufacturing: CJ2H-CPU68 controls vehicle assembly lines, robotic arms, and conveyor synchronization in European, American, and Southeast Asian automotive facilities.
Food & Beverage: CJ2M-CPU31 manages raw material ratios, sterilization temperatures, and filling speeds in European dairy and South American juice production lines.
Packaging & Printing: CJ2H-CPU65 regulates color register accuracy and cutting precision in German printing lines and Middle Eastern packaging facilities.
Oil & Gas: CJ2M-CPU32 provides data acquisition and safety control for Middle Eastern oilfields and North American natural gas processing plants.
Logistics & Warehousing: CJ2H-CPU64 controls stackers and sorting systems in European and American e-commerce logistics centers with ±5mm positioning accuracy.
Metallurgical Processing: CJ2H-CPU67 manages furnace temperature and feeding systems in Eastern European aluminum plants and African mineral processing facilities.
Frequently Asked Questions
Q1: The PLC fails to power on after installation overseas--what's the most common reason?
A1: Voltage mismatch is the most common issue. Ensure the power module (like CJ1W-PA205R) matches local grid voltage (Europe: 230V AC, North America: 120V AC, Southeast Asia: 220V AC). Check the power module's voltage label and replace if necessary.
Q2: Why can't the PLC communicate with overseas-made sensors/inverters?
A2: Protocol mismatch or wiring standards. Verify communication protocols (PROFINET, Ethernet/IP, Modbus) and ensure proper module selection. Check wiring standards (source vs sink type) and adjust signal wiring accordingly.
Q3: The PLC reports an error after running in high-temperature areas--how to fix it?
A3: Overheating beyond the 0-55°C operating range. Relocate PLC away from heat sources, install cooling fans or air conditioning in electrical cabinets, and ensure proper ventilation to prevent heat buildup.
Q4: Why do I/O signals fluctuate or fail intermittently in overseas factories?
A4: Electromagnetic interference from industrial equipment. Separate signal and power cables (30cm minimum), use shielded cables with proper grounding, and secure modules against vibration-induced poor contact.
Q5: The PLC program is lost after power outage, even with battery--what's wrong?
A5: Expired battery or disabled backup function. Replace the CJ1W-BAT01 battery (5-year lifespan) and verify "battery backup" and data retention settings in CX-Programmer software.
Q6: Why can't the PLC pass local safety inspections?
A6: Using non-certified modules or improper installation. Use UL Class I Div 2 certified modules for hazardous areas and follow local electrical codes for wiring and installation requirements.
Q7: The PLC's Ethernet connection drops frequently in cross-border production lines--how to troubleshoot?
A7: Network latency or IP conflicts. Reduce communication baud rate, enable timeout retry settings, assign static IP addresses, and use wired connections instead of Wi-Fi for industrial applications.