Description
PM825 3BSE010796R1 is a high-performance processor module designed by ABB, a global leader in industrial automation solutions. As part of ABB’s Advant Controller 80 (AC80) series, this module delivers robust control and flexibility for complex industrial applications, ensuring reliable operation in demanding environments.
1. Product Description
The PM825 3BSE010796R1 serves as the central processing unit (CPU) for ABB’s AC80 PLC systems, enabling real-time control and monitoring of industrial processes. Its core functions include data processing, communication protocol management, and integration with ABB’s modular I/O modules. Key advantages of the PM825 include its rugged design, support for multiple communication standards, and compatibility with ABB’s advanced automation platforms.
2. Product Parameters
| Parameter | Specification |
|---|---|
| Processor | Intel 80C186 (20 MHz) or MC68360 (25 MHz) |
| Memory | 256–1024 KB RAM, 512–1024 KB Flash |
| Communication Interfaces | RS-232, RS-485, Ethernet, Modbus RTU |
| I/O Expansion | Supports up to 1,024 I/O points |
| Power Supply | 24 V DC ±10% |
| Operating Temperature | -25°C to +60°C |
| Certifications | CE, UL, RoHS |
PM861AK01 3BSE018157R1
3. Advantages and Features
- High Performance: The PM825 delivers rapid execution of control algorithms, with processing speeds up to 25 MHz (MC68360 variant), ensuring seamless operation in dynamic industrial environments.
- Flexible Communication: Supports multiple protocols (e.g., Modbus, Ethernet) for integration with third-party systems, enabling scalable automation networks.
- Rugged Design: Engineered to withstand harsh conditions, including high humidity and vibration, with an MTBF exceeding 80,000 hours.
- Modular Architecture: Compact dimensions (17.8 x 10.2 x 2.5 cm) and DIN-rail mounting facilitate easy installation and expansion.
4. Application Areas and Case Studies
The PM825 is widely deployed in industries such as:
- Power Generation: Controls critical processes in thermal and hydroelectric plants, ensuring stable energy output.
- Oil and Gas: Manages safety systems and production workflows in refineries and offshore platforms.
- Manufacturing: Optimizes conveyor systems and robotic assembly lines in automotive and electronics factories.
Case Study: A chemical plant in Germany reduced downtime by 20% after integrating the PM825 into its process control system, leveraging its real-time diagnostics and redundant communication capabilities.
5. Competitor Comparison
In comparison to similar processor modules, the PM825 offers:
- Broader Protocol Support: Native compatibility with Modbus and Ethernet, reducing reliance on additional gateway devices.
- Enhanced Reliability: Built-in surge protection and fault-tolerant design outperform legacy systems in harsh environments.
- Cost Efficiency: Competitive pricing for its feature set, including advanced diagnostics and scalable I/O capacity.
PM861AK01 3BSE018157R1
6. Selection Recommendations
When choosing the PM825, consider:
- Processing Needs: Match the module’s CPU speed (20 MHz or 25 MHz) to your application’s complexity.
- Communication Requirements: Ensure compatibility with existing protocols (e.g., Modbus, Ethernet) for seamless integration.
- Future Scalability: Opt for the PM825 if expanding I/O modules or integrating with advanced automation platforms like ABB’s 800xA.
7. Precautions
- Installation: Mount the module in a well-ventilated area, ensuring at least 50 mm clearance for cooling.
- Firmware Updates: Regularly update firmware to access security patches and performance optimizations.
- Grounding: Follow ABB’s guidelines for proper grounding to prevent electrical interference.
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