The Yokogawa CP471-50 represents the high-performance tier of CENTUM VP processing technology. This module functions as the central intelligence for Field Control Units (FCU), executing safety-critical logic and managing multi-variable control loops. We supply this unit as 100% brand new and original, ensuring your facility utilizes the high-density dual-core 32-bit RISC architecture. Unlike standard processors, the CP471-50 incorporates an IP65-rated housing, providing superior dust and moisture protection for unconditioned industrial environments. With an onboard web server for remote health checks, this module streamlines maintenance while maintaining deterministic performance for demanding oil, gas, and power applications.
The CP471-50 delivers massive computational throughput with robust environmental hardening:
| Parameter | Specification Details |
| Model Number | CP471-50 |
| Manufacturer | Yokogawa Electric Corporation (Japan) |
| Processor Type | Dual-core 32-bit RISC (Up to 1.5 GHz) |
| System RAM | 2 GB High-bandwidth SDRAM |
| Internal Storage | 16 GB Fixed Flash (Logs and Configuration) |
| Ingress Protection | IP65 (Dust-tight and water jet protection) |
| Connectivity | Dual-redundant Ethernet, RS-232, RS-485 (Modbus) |
| Web Integration | Built-in HTTP/HTTPS server for diagnostics |
| Operating Temp | -20°C to +60°C |
| Dimensions | 5.1 cm × 20.3 cm × 15.2 cm |
| Condition | 100% Brand New Original |
Task Segregation Architecture: The dual-core design separates control logic execution from communication tasks. This prevents heavy network traffic from Modbus devices or supervisory systems from interfering with the timing of PID loops or safety functions.
Superior Environmental Resilience: The IP65-rated enclosure eliminates the need for expensive specialized cooling or secondary protection in harsh settings. It resists dust infiltration and direct water jets, making it ideal for offshore platforms and unconditioned refinery cabinets.
Server-Less Remote Diagnostics: The integrated HTTP/HTTPS web server allows engineers to access real-time status data and module health via standard browsers. This eliminates the requirement for specialized client software during field health checks.
Passive Thermal Dissipation: Advanced heat management allows the module to operate at peak clock frequencies without an external cooling fan. This removes a common point of mechanical failure and increases the overall Mean Time Between Failures (MTBF) of the control rack.
Can the internal 16 GB storage be expanded?
The internal 16 GB Flash memory is fixed. However, this capacity provides ample space for the largest CENTUM VP project databases and extensive historical event logs without requiring external drives.
Does the CP471-50 support third-party protocol integration?
Yes. The module provides native support for Modbus through its serial and Ethernet interfaces, ensuring deterministic performance even when managing heavy data loads from third-party devices.
How does the dual-core design improve safety-critical performance?
By dedicating specific CPU resources to logic solving, the CP471-50 maintains consistent scan times. Network-heavy communication loads remain isolated on the second core, ensuring process control loop timing remains jitter-free.
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