Yokogawa CP461-50 S1 CENTUM VP AFV300 AFV400 CPU
Manufacturer: Yokogawa
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Part Number: CP461-50 S1
Condition：New with Original Package
Product Type: Yokogawa System Parts
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Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Yokogawa CP461-50 S1 functions as the high-velocity computational core for CENTUM VP, AFV300, and AFV400 Distributed Control Systems (DCS). This 100% brand new original processor module executes complex control algorithms and manages high-density data traffic with deterministic precision. Engineered for mission-critical infrastructure, the CP461-50 S1 provides the processing power necessary for large-scale refineries, power plants, and sophisticated manufacturing environments requiring zero-latency logic execution.
Technical Specifications
The CP461-50 S1 combines a high-clock-rate RISC architecture with expansive memory overhead to stabilize volatile process variables.
| Feature | Technical Data |
| Model Number | CP461-50 S1 |
| Architecture | Dual-core 32-bit RISC Proprietary |
| Clock Frequency | Up to 1.5 GHz |
| System RAM | 128 MB – 2 GB (Configuration Dependent) |
| Internal Flash | 512 MB – 16 GB |
| Input Voltage | 24 V DC |
| Protocols | Modbus, Profibus, Vnet/IP, Proprietary DCS |
| Operating Temperature | –20°C to +70°C |
| EMI Resistance | High-level industrial shielding |
| Physical Footprint | 152 mm × 51 mm × 203 mm |
| Net Weight | 0.68 kg (1.50 lbs) |
Engineering Advantages
The CP461-50 S1 optimizes control station performance by eliminating hardware-level bottlenecks:
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Drives Real-Time Determinism: The dual-core 1.5 GHz RISC processor handles high-speed Boolean operations and floating-point math simultaneously. This prevents "scan-time jitter," ensuring that safety interlocks and PID loops execute exactly when required.
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Withstands Extreme Thermal Shifts: Unlike standard commercial processors, this module operates reliably from –20°C to +70°C. This wide thermal envelope allows for installation in remote field cabinets where temperature fluctuations typically degrade electronics.
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Neutralizes Electromagnetic Interference: The module employs advanced industrial-grade EMI shielding. This prevents signal corruption and CPU resets caused by proximity to high-frequency variable speed drives (VSDs) or large transformer arrays.
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Simplifies Multi-Protocol Networking: The CP461-50 S1 coordinates various industrial protocols, including Modbus and Profibus, directly through the DCS backbone. This consolidates communication and reduces the need for external gateway hardware.
FAQs
Is the CP461-50 S1 compatible with older STARDOM controllers?
Yes. Yokogawa designed this module for cross-platform utility. It integrates seamlessly with both the CENTUM VP DCS environment and the STARDOM series standalone controllers, provided the firmware versions match.
What is the advantage of the S1 proprietary RISC architecture?
The S1 architecture optimizes the instruction set specifically for process control logic. This results in higher efficiency for PID calculations and ladder logic compared to general-purpose x86 processors, reducing power consumption and heat generation.
Does this module require a specialized mounting kit?
The CP461-50 S1 utilizes the standard rack-mounting interface for AFV300/AFV400 stations. It slides directly into the dedicated processor slots on the baseplate, securing via standard tension screws for high-vibration resistance.
How does this unit handle data retention during power loss?
The module utilizes internal flash memory (up to 16 GB) to store the system image and application logic. Combined with non-volatile RAM components, it ensures that your control strategies and setpoints remain intact through total power interruptions.