Product Description

High-Availability Control Processing Overview

The CP461-51 (Model: CP461-51) is a high-availability central processing unit engineered for Yokogawa CENTUM VP and CS 3000 Field Control Stations (FCS). As the premium tier of the CP461 series, the CP461-51 (Style: Style S2) features ISA Standard G3 conformal coating, providing superior protection against corrosive gases such as hydrogen sulfide and sulfur dioxide. This module is an essential component for maintaining system integrity in harsh industrial environments.

Utilizing a 32-bit RISC high-speed architecture clocked at 400 MHz, the CP461-51 (CP461-51) offers significant performance gains over legacy versions. It serves as the primary execution engine for complex control logic, managing real-time data synchronization across Vnet/IP networks with integrated thermal management and optimized circuitry for long-term component stability.

Detailed Technical Specifications

The CP461-51 (Style S2) provides advanced memory management and robust communication throughput for large-scale DCS architectures.

• Manufacturer: Yokogawa Electric Corporation

• Model Number: CP461-51

• Style Code: Style S2

• Series: CENTUM VP / CS 3000

• Architecture: 32-bit RISC / 400 MHz

• Memory Capacity: 128 MB SDRAM / 512 MB Flash

• Environmental Protection: ISA Standard G3 Conformal Coating

• Redundancy Support: Dual-Redundant (Duplex) Operation

• Network Interfaces: Vnet/IP and ESB Bus Support

• Memory Backup: Battery-backed RAM (Retention up to 72 hours)

• Heat Dissipation: Optimized thermal sink design for Style S2 hardware

• Operating Temperature: 0°C to +60°C (32°F to 140°F)

• Dimensions: 199.5 mm x 145 mm x 16.4 mm

• Net Weight: 0.75 kg

• Compliance: CE, UL, and CSA standards for industrial control equipment