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CP471-00 S1

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The Yokogawa CP471-00 S1 is a processor module for CENTUM field control units, supporting dual-redundant configuration, 700g weight, and running with CENTUM VP R6.05 or later.
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Technical specifications for CP471-00 S1

  • Manufacturer:
    Yokogawa
  • Part Number:
    CP471-00 S1
  • Product Family:
    Centum CS-Centum VP
  • Product Type:
    Processor Module
  • Stock:
    4
  • Redundancy Support:
    Dual-redundant on duplexed field control units
  • Software Requirement:
    CENTUM VP R6.05 or later
  • EC401 Style Requirement:
    S3 or later
  • Online Replacement:
    Supported in dual-redundant configuration
  • Replacement:
    Replaces CP461 (user replacement prohibited)
  • Option Code:
    /ERFI (Enhanced RFI/Tokuchi)
  • Weight:
    0.6 kg
  • Estimated shipping dimensions:
    3.2x14.6x19.8cm
  • Tariff Code:
    8517795000
  • Country of origin:
    Japan
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Diagnostic & Protection Upgrade Guide

Features:

  • Enables high-availability with two CP471-00 S1 modules in duplexed FCUs.
  • Requires CENTUM VP R6.05 or later for full functionality.
  • Supports module replacement without system shutdown in redundant configurations.
The CP471-00 S1 supports dual-redundant configuration on duplexed field control units, allowing two processor modules to operate in parallel. If one module fails, the other continues processing without interruption, eliminating single points of failure. This redundancy is critical for continuous process control applications where downtime is costly. The CP471-00 S1 also supports online replacement in dual-redundant configuration, enabling users to replace modules without system shutdown. The CP471-00 S1 can be mounted on AFV30D, AFV40D, AFV50D, and AFV70D duplexed units, providing flexible deployment options for Yokogawa CENTUM VP DCS systems.

The CP471-00 S1 provides a migration path from older CP461 processor modules. The CP471-00 S1 requires CENTUM VP R6.05 or later and EC401 ESB bus coupler module with style code S3 or later. Existing CP461 can be replaced with the CP471-00 S1, but user replacement is prohibited and must be performed by qualified personnel. The CP471-00 S1 cannot coexist with CP461 in dual-redundant configuration, but a pair of CP461 in dual-redundant configuration can be online-replaced with a pair of CP471-00 S1, ensuring smooth system upgrades.

The CP471-00 S1 is available with multiple suffix codes to suit different installation requirements. Suffix -0 provides no explosion protection, while -1 offers explosion protection for hazardous areas. Basic type (0) and ISA Standard G3 option (1) provide flexibility for environmental conditions. The CP471-00 S1 also offers option code /ERFI for enhanced RFI (Tokuchi) protection, improving performance in environments with high electromagnetic interference. The module weighs approximately 700g and complies with applicable standards as part of the field control units, ensuring reliable operation in demanding industrial environments.

The CP471-00 S1 YOKOGAWA Processor Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

YOKOGAWA CP471-00 S1 Processor Module Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
YOKOGAWA CP471-00 S1 Processor Module Specs

General

  • Manufacturer YOKOGAWA
  • Model CP471-00 S1
  • Condition New Original ready stock
  • Product Family CP461-10,CP451-50 S2,CP461-50 S1
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Oil & Gas (Upstream/Downstream): Used in offshore platforms, pipelines, oil refineries, and LNG plants for automated distillation, cracking, and blending control.
  • Chemical & Petrochemical: Manages complex chemical reactions, batch processing, and hazardous material handling with precise temperature and pressure loops.
  • Power Generation: Controls boiler systems, steam turbines, feed-water loops, and emissions monitoring in thermal, nuclear, and combined-cycle power plants.
  • Pharmaceutical & Food: Ensures strict batch consistency, clean-in-place (CIP) automation, and adherence to regulatory compliance tracking.
  • Dual-Redundant Architecture: Two modules operate in parallel (Active/Standby). The standby module executes identical calculations in real-time.
  • Bumpless Transfer: If the active module fails, control switches to the standby unit within milliseconds without interrupting the field process variables.
  • ECC Memory Protection: Built-in Error-Correcting Code (ECC) memory automatically detects and corrects single-bit memory errors, preventing system crashes caused by soft errors.
  • Self-Diagnostic Suite: Continuously monitors CPU temperature, power supply voltage levels, communication bus integrity, and internal clock execution.
  • ESD Safety: Always wear a grounded anti-static wrist strap before touching the module.
  • Slot Verification: Ensure the module is inserted into the correct designated processor slots of the Field Control Unit (FCU) (e.g., AFV30D or A2FV50D).
  • Insertion: Align the module with the guide rails and push it firmly until the levers lock into place.
  • Secure Fasteners: Tighten the top and bottom screws to ensure optimal grounding and vibration resistance.
Description
The Yokogawa CP471-00 S1 is a high-performance processor module designed for CENTUM field control units. This module provides the computing power for Yokogawa DCS systems. The CP471-00 S1 supports dual-redundant configuration on duplexed field control units, ensuring high system availability for critical process control applications.

The Yokogawa CP471-00 S1 weighs approximately 700g and runs with CENTUM VP R6.05 or a later version of Control Function for Field Control Station. The CP471-00 S1 can be mounted on various field control units including AFV30S/D, AFV40S/D, AFV50S/D, and AFV70S/D.

The Yokogawa CP471-00 S1 supports online replacement in dual-redundant configuration, allowing users to replace modules without system shutdown. The CP471-00 S1 requires EC401 ESB bus coupler module with style code S3 or later.

The Yokogawa CP471-00 S1 is available with option code /ERFI for enhanced RFI (Tokuchi) protection. The CP471-00 S1 is delivered with a processor module modification history label (Part No. T9044AR) as standard accessory.
Alternative Names
CP471-OO S1 CP47I-00 SI CP471 00 S1 CP471-01 S1 CP451-10 CP461-10 CP451-50 S2 CP461-50 S1
Technical notes
The Yokogawa CP471-00 S1 is a processor module for CENTUM field control units. It supports dual-redundant configuration,and requires CENTUM VP R6.05+. Compatible with EC401 style S3+. Replaces CP461 (user replacement prohibited).
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the primary function of the CP471-00 S1?
It is the processor module providing control and computation for Yokogawa CENTUM field control units in DCS systems.
What are the key specifications of the CP471-00 S1?
It requires CENTUM VP R6.05+, EC401 style S3+, and supports dual-redundant configuration.
Can the CP471-00 S1 be replaced online?
Yes, online replacement is supported in dual-redundant configuration. User replacement of CP461 is prohibited.
Can the CP471-00 S1 coexist with CP461?
No, CP471 cannot coexist with CP461 in dual-redundant configuration, but a CP461 pair can be replaced online with CP471.

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