Product Description
The CP471 is a high-availability central processing unit designed for the latest generations of Yokogawa CENTUM VP Field Control Units (FCU). Serving as the computational core of the DCS, it executes advanced control algorithms and manages high-speed data traffic across Vnet/IP and ESB bus architectures. Built on a Yokogawa proprietary system LSI, the CP471 delivers substantially higher processing capacity than legacy processor modules, making it well suited for large-scale plants with dense I/O requirements and fast control loop execution.
The CP471 is designed for “Pair & Spare” dual-redundant operation, ensuring continuous process control even in the event of a processor failure. When deployed in a duplex configuration, automatic and bumpless failover is achieved, preventing any interruption to field operations. This module is optimized for modern CENTUM VP environments and supports long-term system expansion and cybersecurity compliance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Volatile Memory | 2 GB SDRAM |
| Non-Volatile Storage | 512 MB Flash |
| Memory Protection | Internal battery backup (up to 72 hours data retention) |
| Bus Interfaces | ESB bus (via EC401 Style S3 or later), Vnet/IP |
| System Compatibility | CENTUM VP R6.05 or later (R6.01–R6.04 require specific patches) |
| Redundancy Support | Dual-redundant (Duplex) with bumpless failover |
| Environmental Protection | ISA G3 compliant (standard on selected suffix codes) |
| Operating Temperature | 0°C to 50°C |
| Dimensions | 199.5 mm (W) × 145 mm (H) × 32.8 mm (D) |
| Net Weight | 1.0 kg |
Application Scenarios
The CP471 is widely deployed in oil and gas refining, chemical processing, LNG facilities, and other mission-critical industries where high availability and deterministic control are mandatory. It is the preferred processor for upgrading legacy CP461-based systems, enabling compliance with modern performance and cybersecurity requirements, including IEC 62443-4-2 standards.
Frequently Asked Questions
Q: Can a CP461 be replaced with a CP471 while the system is online?
A: Yes. A redundant pair of CP461 modules can be replaced online with a pair of CP471 modules, provided the system is operating on CENTUM VP R6.05 or later and uses EC401 ESB couplers with Style Code S3 or higher.
Q: What is the significance of the EC401 Style Code S3 requirement?
A: The CP471 requires the S3 hardware revision of the EC401 ESB bus coupler to maintain timing synchronization and bus stability. Earlier style codes may result in communication errors or degraded performance.
Q: Is the CP471 suitable for explosion-proof or hazardous environments?
A: Yes. CP471 modules with suffix codes such as -10 or -11 are rated for use in hazardous or explosion-protected environments, subject to the applicable installation standards and certifications.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
Recently Viewed
Express Shipping
Extensive Inventory
Quality Assurance
