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    Apter Power offers the brand-new Yokogawa CP401-10 S1 control processor, providing automation engineers with a reliable next-generation computing core.

CP401-10 S1

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The Yokogawa CP401-10 S1 is a fault-tolerant processor module engineered to deliver mission-critical control reliability for the CENTUM CS3000 and VP distributed control systems.
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Technical specifications for CP401-10 S1

  • Manufacturer:
    Yokogawa
  • Part Number:
    CP401-10 S1
  • Product Family:
    Yokogawa Centum XL
  • Product Type:
    Processor Module
  • Stock:
    2
  • Power Supply:
    24 V dc
  • Power Consumption:
    15 W typical
  • Temperature:
    0 to 50°C (32 to 122°F)
  • Humidity:
    5% to 95% RH (Non-condensing)
  • Storage Temperature:
    –40 – +85 °C
  • Cooling:
    Natural convection
  • Weight:
    0.06 kg
  • Estimated shipping dimensions:
    3.2x14.2x20cm
  • Tariff Code:
    8537101190
  • 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 Applications Monitoring & Control Performance & Efficiency

Features:

  • "Pair & Spare" High-Reliability Design
  • High-Speed SEN Bus Communication
  • Compact Modular Integration
The Yokogawa CP401-10 S1 utilizes dual-redundant microprocessors to execute identical computations, allowing the system to switch control rights instantly upon failure without interrupting the plant process.

The Yokogawa CP401-10 S1 integrates the innovative SEN bus for data equalization, replacing parallel buses with 384 Mbps point-to-point serial transmission to ensure data consistency between redundant modules.

By consolidating legacy CPU and bus interface cards into a single BGA-integrated module, the Yokogawa CP401-10 S1 provides a significant footprint reduction, making it ideal for high-density cabinet retrofitting.

The CP401-10 S1 Yokogawa RS422 PVC Insulated Cable may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Yokogawa CP401-10 S1 Processor Module for CENTUM CS3000/VP Series Manuals,Datasheets,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 CP401-10 S1 Processor Module for CENTUM CS3000/VP Series

General

  • Manufacturer Yokogawa
  • Model CP401-10 S1
  • Condition New Original ready stock
  • Product Family CP451-10,CP461-10,CP451-50 S2
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.
  • Brownfield Modernization: The Yokogawa CP401-10 S1 is the optimal choice for upgrading legacy uXL installations, extending system life without chassis modifications.
  • Continuous Chemical Processing: The high-availability architecture of the Yokogawa CP401-10 S1 ensures steady-state operation in volatile petrochemical reaction control.
  • Distributed Control Nodes: Ideal for remote I/O configurations where the Yokogawa CP401-10 S1 acts as a reliable local intelligence gatekeeper.
  • Scalable Automation: Enables operators to scale small-to-medium plant systems up to large-scale operations using the same hardware/software codebase.
  • Real-time Self-Diagnosis: The Yokogawa CP401-10 S1 performs constant background health checks even during idle frames, detecting potential hardware degradation before it impacts production.
  • Redundancy Health Tracking: Through the V-net/SEN bus interfaces, the Yokogawa CP401-10 S1 provides active status monitoring of the secondary module to ensure synchronization is never lost.
  • Memory Integrity Monitoring: The ECC-protected memory within the Yokogawa CP401-10 S1 tracks and logs bit-flip errors, providing predictive maintenance alerts to operators.
  • Bus Traffic Optimization: The SEN bus architecture allows the Yokogawa CP401-10 S1 to manage high-volume data equalization without congesting the main control network.
  • Zero-Shutdown Failover: The Yokogawa CP401-10 S1 guarantees that control transitions occur in milliseconds, preserving process variables and preventing costly emergency shutdowns.
  • Optimized Power Consumption: By adopting modern LVDS signaling and low-power BGA integrated circuits, the Yokogawa CP401-10 S1 significantly reduces the heat load inside control cabinets.
  • Enhanced Computational Density: The Yokogawa CP401-10 S1 packs more processing power into a compact unit than previous generations, allowing for more complex control loops in the same I/O node.
  • Streamlined Maintenance Efficiency: The modular nature of the Yokogawa CP401-10 S1, combined with simplified cabling requirements, reduces MTTR (Mean Time To Repair) for site maintenance crews.
Description
The Yokogawa CP401-10 S1 is built upon the industry-proven "Pair & Spare" architecture, a signature reliability technology that allows for continuous process control without manual intervention during hardware faults. By utilizing dual-redundant MPU processing, the CP401-10 S1 detects transient errors in real-time, cross-checking computation results via collators to maintain the integrity of complex control algorithms.

Designed for modernization and high-density deployment, the Yokogawa CP401-10 S1 replaces bulky legacy control units with a compact, modular form factor that is five times smaller in volume. Its seamless integration with the SEN bus facilitates high-speed data equalization and program synchronization, providing a robust communication backbone that minimizes latency between redundant processor pairs. 

Engineered for longevity and performance, the Yokogawa CP401-10 S1 supports hot-swappable maintenance, enabling technicians to remove or install modules in electrified lines without triggering system shutdowns. The module’s internal hardware—including advanced BGA-based integration and ECC-protected memory—ensures that the CP401-10 S1 meets the rigorous "seven 9s" (99.99999%) availability standard characteristic of Yokogawa’s premium DCS line.  
Alternative Names
CP401 CP401 10 S1 CP4O1-1O S1 CP40I-I0 SI CP451-10 CP461-10 CP451-50 S2
Technical notes
The Yokogawa CP401-10 S1 requires proper configuration of the SEN bus for synchronization in dual-redundant setups to ensure zero-shutdown failover capability. Users must ensure that the main memory backup battery pack is periodically inspected and maintained within the Yokogawa CP401-10 S1 module to prevent data loss during power cycles.
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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.
Can the Yokogawa CP401-10 S1 be used to replace older uXL system controllers?
Yes, the Yokogawa CP401-10 S1 is dimensionally compatible with legacy uXL control units, allowing for a seamless migration path that reuses existing infrastructure with minimal capital expenditure.
How does the Yokogawa CP401-10 S1 manage software compatibility during an upgrade?
The Yokogawa CP401-10 S1 maintains strict software consistency with industry-proven CENTUM CS3000 system software, allowing for scalable implementation across different plant sizes without extensive code rewriting.
What safety precautions are necessary when performing hot-swapping on the Yokogawa CP401-10 S1?
While the Yokogawa CP401-10 S1 supports hot-swapping, technicians must follow the specific ESD (Electrostatic Discharge) protocols and ensure that the redundant partner module is actively carrying the control load before removal.
Is the Yokogawa CP401-10 S1 suitable for mission-critical safety environments?
The Yokogawa CP401-10 S1 is designed for high-availability DCS tasks and utilizes robust error-detection, though compliance with specific safety integrity levels (SIL) should be verified against your specific system configuration and industry standards.
What communication network protocols does the YOKOGAWA CP401-10 S1 utilize, and what are its data throughput capacities?
The YOKOGAWA CP401-10 S1 utilizes Yokogawa’s proprietary, real-time V net (or VL net) process control network token-passing protocol. It operates over a bus topology at a transmission speed of 10 Mbps, supporting a standard link transmission cycle period of 100 milliseconds to guarantee predictable, deterministic control loop times across the DCS domain.