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01Temperature MeasurementTemperature measurement uses temperature sensors, thermocouples, RTDs and other instruments to accurately detect and monitor process temperatures. 02Level MeasurementLevel measurement uses ultrasonic level meters, radar level meters, and other instruments to detect and monitor the level or height of materials in tanks, vessels, and process equipment. 03Pressure MeasurementPressure measurement uses pressure transmitters, differential pressure transmitters, and other instruments to detect and monitor pressure and pressure changes in pipelines, tanks, and process equipment. 04Flow measurementFlow measurement uses electromagnetic, ultrasonic, vortex, and mass flow meters to detect and monitor the flow of liquids, gases, or steam in pipelines. 05DCSYokogawa DCS cards are core modules of a distributed control system, used to acquire field signals such as temperature, pressure, and flow, while providing control, output, and communication functions. 06Water Quality AnalysisWater quality analysis uses water quality analyzers and online monitoring instruments to detect and monitor key parameters such as pH, dissolved oxygen, turbidity, conductivity, and residual chlorine in water. 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Product Overview

YOKOGAWA CP471-00 | Processor Module for CENTUM VP Field Control Units

CP471-00

The YOKOGAWA CP471-00 is a high-performance processor module designed for CENTUM VP Field Control Stations (AFV30, AFV40, A2FV50, and A2FV700). It delivers reliable execution of control functions with support for dual-redundant configurations to ensure continuous and stable industrial operations.

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YOKOGAWA CP471-00 Processor Module for CENTUM VP DCS Field Control Unit

High-Performance Processing for CENTUM VP DCS Systems

The YOKOGAWA CP471-00 Processor Module is designed to provide high-speed, high-reliability computation for Yokogawa CENTUM VP Distributed Control Systems (DCS). Operating with CENTUM VP R6.05 or later versions of Field Control Station functions, the CP471-00 module ensures fast signal execution, advanced process logic evaluation, and stable system performance across complex automation environments.

Dual-Redundancy & Hot-Swappable Design

System reliability is paramount in industrial process automation. The CP471-00 supports a dual-redundant hardware architecture, allowing two CP471 processor modules to be mounted together on a duplexed field control unit. In the event of a module check or failure, control seamlessly transitions without interrupting active process loops. Furthermore, in dual-redundant configurations, online module replacement can be performed while the system is live, significantly enhancing maintenance efficiency and preventing unplanned operational shutdowns.

Seamless Integration and Compatibility

Engineered for exact field control unit integration, the CP471-00 standard non-explosion protection basic model is compatible with multiple Yokogawa Field Control Units, including AFV30, AFV40, A2FV50, and A2FV700 series. It operates efficiently in combination with style code S3 or later of the EC401 ESB bus coupler module, ensuring smooth high-speed communication within the DCS network.

Upgrade Path for Legacy Systems

The CP471 processor module serves as a direct hardware upgrade path for existing field control stations using CP461 modules. When updating system software to CENTUM VP R6.05 or later, existing CP461 modules can be replaced with the higher-capacity CP471 to meet increased processing demands and improve overall DCS capability.

Applications

The YOKOGAWA CP471-00 Processor Module is widely deployed in continuous and batch process control systems across critical manufacturing industries, including:

  • Oil & Gas Refineries: Distributed process control and continuous monitoring.

  • Chemical & Petrochemical Plants: Real-time logic processing and loop control.

  • Power Generation & Utilities: High-availability control systems requiring redundant processing.

  • Pharmaceutical & Specialty Chemical Facilities: High-precision process stability and continuous operation.

  • Water & Wastewater Treatment: Centralized field control unit operations.

 Technical Specifications

Parameter Specification Details
Model CP471
Suffix Code -00 (Basic type, with no explosion protection)
Compatible Control System CENTUM VP (Release 6, Control Function R6.05 or later)
Applicable Field Control Units AFV30S/D, AFV40S/D, A2FV50S/D, A2FV700S/D
Redundancy Supports dual-redundant configuration
Online Replacement Supported in dual-redundant setups
Bus Coupler Compatibility ESB Bus Coupler Module EC401 (Style S3 or later)
Approximate Weight Approx. 700 g
Dimensions (W x H x D) 32.8 mm x 199.5 mm x 146.5 mm (Nominal unit dimensions)
Standard Accessory Included Processor Module Modification History Label (Part No. T9044AR)

FAQ

Q: What control software version is required to run the CP471-00 module?

A: The CP471-00 requires CENTUM VP R6.05 or a later version of the Control Function for Field Control Stations.

Q: Can CP471-00 be installed alongside an older CP461 module in a dual-redundant unit?

A: No, CP471 cannot co-exist with a CP461 module in the same dual-redundant pair. However, a full pair of dual-redundant CP461 modules can be online-replaced with a pair of CP471 modules.

Q: Which bus coupler module is compatible with CP471-00?

A: The CP471-00 can be combined with style code S3 or later of the EC401 ESB bus coupler module.

Q: Can the CP471-00 be replaced while the system is running?

A: Yes, in a dual-redundant configuration, online replacement of the CP471 module can be safely performed.

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