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Product Introduction
The Yokogawa CP471 Processor Module is a high-performance CPU module designed for use in Yokogawa’s CENTUM CS 3000 and CENTUM VP distributed control systems (DCS). It serves as the central processing unit in the control architecture, managing communication, data processing, logic execution, and system integration. Known for its robustness, real-time data handling, and long-term operational stability, the CP471 plays a vital role in maintaining the integrity and responsiveness of complex industrial automation systems.
The module is engineered with a focus on redundancy, flexibility, and compatibility, making it suitable for a wide range of mission-critical applications such as oil & gas, power generation, chemical processing, and water treatment facilities. The CP471 is designed to operate reliably in demanding environments, ensuring uninterrupted control and monitoring capabilities in large-scale plant operations.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | CP471 |
| Product Type | Processor Module / CPU Module |
| System Compatibility | CENTUM CS 3000, CENTUM VP |
| CPU Type | 64-bit RISC Processor |
| Memory Capacity | 256 MB SDRAM (Expandable) |
| Storage | Flash memory for firmware and configuration |
| Communication Ports | Ethernet (Vnet/IP), Serial, I/O Bus |
| Redundancy Support | Yes (Hot Standby Redundancy) |
| Operating Voltage | 5V DC (supplied via the base unit) |
| Power Consumption | Approx. 8.5W |
| Operating Temperature | 0 to 50°C (32 to 122°F) |
| Storage Temperature | -20 to 70°C (-4 to 158°F) |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Dimensions (H × W × D) | 32.8 x 149 x 199.5 mm |
| Weight | 0.7 kg |
| Mounting Method | Installed on the AFV30D base or similar |
| Standards Compliance | CE, UL, CSA, RoHS |
Product Applications
The Yokogawa CP471 is designed to serve as the central controller within complex distributed control systems. Its common applications include:
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Oil & Gas Industry: For control and monitoring of refinery units, pipelines, and offshore platforms.
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Chemical & Petrochemical Plants: Ensures precise batch control and real-time process management.
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Power Generation: Manages turbine operations, boiler control, and auxiliary systems in thermal and hydro power stations.
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Water and Wastewater Treatment: Handles water quality monitoring and chemical dosing systems.
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Pulp & Paper: Facilitates high-speed data processing in continuous production lines.
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Pharmaceuticals: Ensures regulatory compliance and batch accuracy in drug manufacturing.
Key Advantages
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High Reliability: Designed for continuous operation in critical environments with redundancy support.
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Real-Time Processing: Offers fast data processing and deterministic control for time-sensitive operations.
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Modular Design: Facilitates easy replacement and maintenance with minimal system downtime.
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Seamless Integration: Fully compatible with other Yokogawa components and systems like I/O modules, Vnet/IP, and control stations.
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Future-Proofing: Supports ongoing firmware updates and scalable architecture for long-term system expansion.
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Energy Efficient: Low power consumption with optimized performance metrics.
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Robust Build Quality: Designed to perform in harsh industrial settings with wide environmental tolerance.
Frequently Asked Questions (FAQ)
1. What systems is the CP471 compatible with?
It is compatible with Yokogawa’s CENTUM CS 3000 and CENTUM VP systems.
2. Can the CP471 be used in a redundant configuration?
Yes, it supports hot standby redundancy to ensure uninterrupted operations.
3. Is the CP471 suitable for hazardous environments?
Yes, it complies with industrial standards such as CE and UL and is designed for stable operation in challenging conditions.
4. What is the typical lifespan of the CP471 module?
It is designed for long-term use and can operate reliably for over 10 years with proper maintenance.
5. Can the firmware on the CP471 be upgraded?
Yes, firmware upgrades are supported via flash memory.
6. What is the memory capacity of the CP471?
It has 256 MB of SDRAM, with configurations allowing for expansion.
7. Does it support Ethernet-based communication?
Yes, Vnet/IP Ethernet is fully supported for communication and control.
8. What type of processor is used in the CP471?
It uses a 64-bit RISC processor for high-speed logic and data handling.
9. What are the physical installation requirements?
It must be installed on a compatible base unit such as the AFV30D and mounted vertically.
10. How is the CP471 cooled?
It is passively cooled through natural air circulation; no fan is required.
Related Models in the Same Series
| Model | Description | Key Features |
|---|---|---|
| CP451 | Processor Module for CENTUM CS 1000 | Compact version with lower power consumption |
| CP461 | Enhanced Processor Module | Increased memory and faster processing |
| CP471-10 | CP471 with extended firmware for security control | Same hardware with cybersecurity enhancements |
| CP701 | Processor Module for newer CENTUM VP systems | Higher performance and Vnet/IP support |
| CP345 | Legacy CPU for CENTUM XL systems | Used in older installations |
| AFV30D | Base Unit for CP471 Processor | Provides power and connection interfaces |
Popular Yokogawa Models from Other Categories
| Model | Category | Application |
|---|---|---|
| FCS1000 | Field Control Station | Controls plant-wide automation |
| AAI543-H50 | Analog Input Module | High-speed, multi-channel analog input |
| PW482 | Power Supply Module | Powers CPU and I/O modules reliably |
| SAI143-H00 | Signal Conditioner | Used in temperature and sensor signal adjustment |
| ADV151-P00 | Digital Output Module | Controls on/off signals to field equipment |
| Vnet/IP Switch | Network Infrastructure | Handles Vnet/IP communication for control systems |
