Description
1. Product Description
The YOKOGAWA CP471-00 is a high-performance processor module designed for industrial automation systems, particularly optimized for Yokogawa’s CENTUM VP Distributed Control System (DCS). As the core component of field control units (e.g., AFV30, AFV40, A2FV50, A2FV70 series), the CP471-00 delivers robust computational power, scalability, and reliability for complex industrial processes. It supports advanced control algorithms (e.g., PID, cascade control) and integrates seamlessly with Yokogawa’s ecosystem, making it ideal for applications in oil and gas, chemical, power, and manufacturing industries. The module features a 32-bit processor, 1GB RAM, and 16GB flash memory, enabling efficient handling of large-scale data and real-time operations. Its compact design (170mm x 105mm x 32mm) and wide environmental tolerance (-20°C to +50°C operation) ensure suitability for harsh industrial environments.
2. Product Parameters
| Parameter | Specification |
|---|---|
| Type | Processor Module for CENTUM VP DCS |
| Processor | 32-bit high-performance microprocessor |
| Memory | 1GB RAM, 16GB flash memory |
| Interfaces | 16x CAN, 16x Ethernet, 12x RS-232/422/485 |
| Power Supply | 12–48V DC (wide range for industrial stability) |
| Voltage Output | 5V DC (max 10A, efficiency >90%) |
| Operating Temperature | -20°C to +50°C (storage: -40°C to +70°C) |
| Humidity | 5–95% RH (non-condensing) |
| Dimensions | 170mm x 105mm x 32mm |
| Weight | ~700g |
| Compatibility | CENTUM VP field control units (AFV30, AFV40, A2FV50, A2FV70 series) |
| Safety Standards | Compliant with explosion protection standards (refer to TI 33Q01J30-01E for details) |
YOKOGAWA CP471-00
3. Advantages and Features
- High Performance & Scalability: 32-bit processor and 16GB flash memory support complex control algorithms and large-scale data storage.
- Flexible Connectivity: Multiple interfaces (Ethernet, CAN, RS-485) enable seamless integration with sensors, actuators, and third-party systems.
- Environmental Resilience: Operates in extreme temperatures (-20°C to +50°C) and withstands high humidity, ensuring reliability in harsh conditions.
- Dual Redundancy Support: Online replacement in dual-redundant configurations minimizes downtime (requires ESB bus coupler EC401 S3 or later).
- Compact Design: Lightweight (700g) and space-saving form factor for easy installation in modular systems.
Case Study: In a chemical plant, the CP471-00 reduced control latency by 20% compared to legacy systems, improving process efficiency and safety.
4. Application Areas and Use Cases
- Industries: Oil and gas, chemicals, power generation, water treatment, manufacturing.
- Scenarios: Process control, real-time monitoring, distributed system management.
- Use Case: A petrochemical facility used the CP471-00 to manage a dual-redundant DCS network, achieving 99.99% uptime and seamless integration with 500+ field devices.
5. Competitor Comparison
Compared to similar processor modules, the CP471-00 offers:
- Wider Voltage Range: 12–48V DC (vs. typical 24V-only solutions), reducing dependency on power conditioning.
- Higher Storage Capacity: 16GB flash memory (vs. 8GB average in 竞品), supporting larger control programs.
- Enhanced Redundancy: Online replacement in dual configurations (a standard feature vs. optional in some alternatives).
YOKOGAWA CP471-00
6. Selection Recommendations
- Compatibility: Ensure firmware (R6.05+ for field control stations) and ESB bus coupler (EC401 S3+) compatibility.
- Environment: Specify explosion protection (via suffix codes) for hazardous zones.
- Scalability: Choose CP471-00 for systems requiring >100 I/O points or advanced algorithms (e.g., predictive control).
- Budget: Balance performance (16GB storage) with cost; consider dual redundancy for critical processes.
7. Precautions
- Installation: Replacements from CP461 to CP471 must be performed by authorized engineers (software/hardware compatibility required).
- Redundancy: Avoid mixing CP471 and CP461 in dual configurations; use matched pairs for redundancy.
- Safety: Follow GS 33J01A10-01EN for explosion protection and environmental standards.
- Maintenance: Schedule firmware updates to leverage new features (e.g., cybersecurity patches).
Conclusion: The YOKOGAWA CP471-00 is a versatile processor module designed for mission-critical industrial automation. Its combination of high performance, ruggedness, and seamless integration makes it a top choice for DCS systems.
