Process Automation Solution — YOKOGAWA CP461-11-S1 | CENTUM CS/CS3000 Series
Where This Product Is Used
The YOKOGAWA CP461-11-S1 is a central processor module deployed in mission-critical distributed control system (DCS) environments. It serves as the computational core of CENTUM CS and CENTUM CS3000 field control stations (FCS), executing real-time control logic, managing I/O communication, and maintaining system redundancy across the plant network.
Typical installation sites include:
- Oil & Gas Upstream/Downstream: Wellhead automation, crude distillation units, gas compression trains, and pipeline SCADA integration.
- Petrochemical & Refining: Reactor temperature/pressure loop control, distillation column sequencing, and safety interlock coordination.
- Power Generation: Boiler combustion management, turbine governor control, and load-dispatch automation in coal, gas, and combined-cycle plants.
- Pulp & Paper / Chemical: Continuous batch process control, recipe management, and multi-loop PID regulation.
- Water & Wastewater Treatment: Pump station automation, dosing control, and SCADA-linked remote monitoring.
Engineers specify the CP461-11-S1 when upgrading aging CENTUM CS installations or maintaining existing CS3000 architectures where proven processor compatibility and long-term spare availability are paramount.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | YOKOGAWA Electric Corporation |
| Part Number | CP461-11-S1 |
| Series | CENTUM CS / CENTUM CS3000 |
| Module Type | Field Control Station (FCS) Processor Module |
| Function | Real-time control execution, I/O bus management, network communication |
| Redundancy Support | Dual-redundant CPU configuration supported |
| Communication Interface | V-net (Vnet/IP compatible environment) |
| Operating Temperature | 0°C to 55°C (32°F to 131°F) |
| Storage Temperature | -20°C to 60°C |
| Power Supply | Via FCS backplane (24 VDC system bus) |
| Weight | Approx. 500 g |
| Mounting | FCS nest/rack (CENTUM CS3000 compatible chassis) |
| Approvals | CE Marking; compliant with IEC 61131-3 control execution environment |
Note: Specifications are provided for reference. Always verify against the official YOKOGAWA CP461-11-S1 datasheet and your system engineering documentation before installation.
Why Engineers Specify This Model
- Proven CENTUM CS3000 Compatibility: Drop-in replacement for existing CP461-series slots — no firmware migration or re-engineering of I/O maps required in most configurations.
- Redundant Architecture Ready: Supports 1:1 CPU redundancy for high-availability applications where unplanned downtime is unacceptable (SIL-rated loops, continuous process units).
- Real-Time Deterministic Execution: Dedicated processor architecture ensures scan-cycle consistency critical for tight PID loops and safety function response times.
- Long Service Life: YOKOGAWA’s CENTUM platform is renowned for multi-decade operational continuity; CP461-11-S1 spares extend the life of existing capital investments.
- Integrated Diagnostics: Built-in self-diagnostics and status LEDs simplify fault isolation during maintenance windows, reducing mean time to repair (MTTR).
- Vnet Communication: High-speed, deterministic plant network integration with other CENTUM CS3000 nodes, HIS operator stations, and EWS engineering workstations.
Complete System Bill of Materials
The CP461-11-S1 operates within a broader CENTUM CS3000 FCS architecture. A typical system BOM includes:
- CP461-11-S1 — FCS Processor Module (this item)
- PW481 / PW482 — FCS Power Supply Module
- EB401 / EB501 — FCS Node Interface Unit (NIU) / Expansion Bus
- AAI141 / AAI841 — Analog Input/Output Modules (4–20 mA)
- ADV151 / ADV551 — Digital Input/Output Modules
- ALR111 — Alarm & Event Module
- Vnet/IP Network Switch — Plant control network backbone
- HIS (Human Interface Station) — Operator console running CENTUM CS3000 software
- EWS (Engineering Workstation) — System Builder / Function Block configuration
Contact support@konmask.com for complete system sourcing assistance or multi-line BOM quotations.
Compliance & Industry Standards
- IEC 61131-3: Control execution environment aligned with structured function block programming standards.
- IEC 61511 / IEC 61508: Deployable within SIL-assessed process safety architectures (verify SIL rating with YOKOGAWA documentation for your specific loop).
- CE Marking: Electromagnetic compatibility (EMC) and low-voltage directive compliance for EU installations.
- RoHS: Confirm RoHS status with YOKOGAWA for specific production batches if required by procurement policy.
- ISO 9001: Manufactured under YOKOGAWA’s ISO 9001-certified quality management system.
Quality Assurance & Sourcing
Konmask.com specializes in verified industrial automation components for B2B buyers in process industries. Our sourcing and QA process for the CP461-11-S1 includes:
- Authenticity Verification: Each unit is inspected against YOKOGAWA OEM markings, label integrity, and hardware revision codes prior to listing.
- Functional Pre-Check: Where applicable, modules undergo power-on and communication bus verification before dispatch.
- Traceability Documentation: Supply chain documentation available on request for regulated industries (oil & gas, nuclear-adjacent, pharmaceutical).
- Packaging: Anti-static ESD packaging with humidity indicator cards; double-boxed for international freight.
- Warranty: 90-day replacement warranty against DOA (dead-on-arrival) defects. Extended warranty options available — contact us.
How to Source This Part
- Confirm your part number: Cross-reference CP461-11-S1 against your CENTUM CS3000 system drawing or existing module label.
- Request a quote: Email support@konmask.com with your required quantity, delivery timeline, and any documentation requirements.
- BOM sourcing: If you need multiple modules or a full FCS rebuild kit, share your BOM and we will provide a consolidated quotation.
- Lead time: In-stock units ship within 3–5 business days. Out-of-stock items are sourced within 2–4 weeks depending on global availability.
- Payment & Logistics: T/T bank transfer, PayPal, and trade-term options (EXW, FOB, CIF) available. We ship worldwide via DHL, FedEx, and freight forwarder.
Application-Specific FAQ
Q: Is the CP461-11-S1 compatible with both CENTUM CS and CENTUM CS3000?
A: The CP461-11-S1 is primarily associated with the CENTUM CS3000 FCS architecture. Compatibility with earlier CENTUM CS generations depends on chassis revision and firmware. Contact us with your system generation details for confirmation.
Q: Can this module be used in a redundant CPU configuration?
A: Yes. CENTUM CS3000 supports 1:1 CPU redundancy. Two CP461-11-S1 modules can be configured in a primary/standby pair within a dual-redundant FCS nest.
Q: What is the difference between CP461-11-S1 and CP461-10?
A: The “-S1” suffix typically denotes a specific hardware revision or regional certification variant. Verify the exact revision requirements against your system’s engineering documentation or contact YOKOGAWA technical support for revision compatibility matrices.
Q: Do you supply the matching power supply and I/O modules?
A: Yes. Konmask.com stocks a broad range of CENTUM CS3000 compatible modules. Share your full BOM and we will source the complete kit.
Q: Is this a new, refurbished, or surplus unit?
A: We supply new OEM, tested surplus, and refurbished units depending on availability. The condition and provenance of each unit is clearly stated in your quotation. Contact us to specify your preference.
Q: Can you provide a certificate of conformance or test report?
A: Yes, documentation packages including CoC, inspection reports, and supply chain traceability are available on request for regulated procurement processes.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
