Product Description

The CP333D-S3 (Model: CP333D) is a high-integrity processor module engineered specifically for the Yokogawa CENTUM CS and CENTUM VP distributed control systems (DCS). Serving as the primary computational engine within a Field Control Station (FCS), the CP333D-S3 executes mission-critical control strategies, manages complex sequence logic, and coordinates high-speed data exchange across the Vnet system bus. The "S3" designation indicates the Style 3 hardware revision, which features enhanced hardware reliability and optimized firmware compatibility for modern industrial network architectures.

Equipped with a high-performance 32-bit RISC processor running at 400 MHz, the CP333D-S3 (Order Number: CP333D-S3) is designed for deterministic, real-time processing. This module is an essential component for high-density I/O handling and applications requiring sub-millisecond control response, such as turbine speed regulation, petrochemical distillation, and emergency shutdown integration. Its robust architecture supports dual-redundant configurations, ensuring uninterrupted 24/7 operation in the most demanding process environments.

Technical Specifications

• Manufacturer: Yokogawa Electric Corporation

• Model Number: CP333D-S3

• Hardware Style: Style 3 (S3)

• Product Category: Processor Module / CPU Card

• Processor Architecture: 32-bit RISC

• Clock Speed: 400 MHz

• System Bus Support: Vnet / Vnet/IP Redundant Ethernet

• Memory Capacity: Up to 256 MB RAM / Onboard Flash ROM

• Redundancy Support: Fully compatible with Dual-Redundant FCS setups

• Input Voltage: 3.3 V DC ± 9% (Internal Logic Power)

• Current Consumption: Maximum 2.5 A

• Operating Temperature: 0°C to +50°C

• Dimensions (W x H x D): 5.1 x 25.4 x 20.3 cm

• Net Weight: 1.0 kg

• Country of Origin: Japan

Functional Features

• High-Speed Execution: The 400 MHz RISC processor ensures rapid execution of PID loops and complex logic gates with minimal cycle time.

• Style 3 Enhancements: This revision provides improved thermal management and updated circuitry compared to earlier styles, enhancing long-term MTBF (Mean Time Between Failures).

• Vnet Connectivity: Native support for Yokogawa’s proprietary Vnet system ensures seamless data synchronization between the processor and distributed I/O modules.

• Deterministic Reliability: Built-in error-checking and diagnostic protocols ensure that control commands are processed without jitter or data loss.

Application Scenarios

• Petrochemical Distillation: Managing hundreds of PID loops in real-time to maintain precise temperature and pressure profiles.

• Turbine Regulation: Providing the high-speed processing necessary for steam or gas turbine governor control.

• Refining ESD Integration: Acts as the central logic solver for integrated control and safety system (ICSS) architectures.