YOKOGAWA PW482-50 Power Supply Module – CENTUM VP Distributed Control System
When a power supply module fails in a live DCS environment, the consequences are immediate and severe: field instruments lose their 24 VDC bus, I/O cards go offline, and the entire process loop drops into an uncontrolled state. For operators running continuous processes — refinery distillation columns, chemical reactors, or LNG compression trains — even a 60-second unplanned outage can trigger emergency shutdowns, product loss, and costly restart sequences. The YOKOGAWA PW482-50 Power Supply Module exists precisely to prevent this scenario, delivering stable, conditioned DC power to the CENTUM VP field control station with the reliability that mission-critical automation demands.
Within the CENTUM VP hardware lineup, the PW482-50 occupies the role of the primary power conversion and distribution unit for the FCS (Field Control Station) cabinet. It is engineered to Yokogawa’s stringent IEC 61508 functional safety standards and is a direct-fit replacement and expansion component for CENTUM VP and CENTUM CS 3000 legacy installations worldwide. As one of the most widely deployed DCS platforms across the oil & gas, petrochemical, and power generation sectors, CENTUM VP installations number in the tens of thousands globally — making the PW482-50 a high-demand spare and a critical asset in any plant’s MRO inventory.
Technical Specifications
- Part Number: PW482-50
- Manufacturer: Yokogawa Electric Corporation
- Series: CENTUM VP / CENTUM CS 3000
- Module Type: Power Supply Module
- Form Factor: DIN-rail / cabinet-mount card
- Weight: Approx. 500 g
- Compliance: CE, UL, IEC 61508
- Note: Detailed electrical specifications (input voltage range, output current, redundancy configuration) should be confirmed against the official Yokogawa PW482-50 datasheet or your system engineering documentation.
Key Features & Benefits
- Stable DC Bus Output — Provides clean, regulated power to I/O modules and communication cards, eliminating noise-induced faults in sensitive analog loops.
- Hot-Swap Capable — Designed for live replacement in redundant power configurations, minimizing maintenance windows in 24/7 continuous operations.
- Redundancy Support — Pairs with a second PW482-50 unit for N+1 power redundancy, ensuring no single point of failure on the DC bus.
- Direct OEM Compatibility — Plug-and-play fit within CENTUM VP FCS cabinets; no firmware reconfiguration required on replacement.
- Long Service Life — Built to Yokogawa’s industrial-grade component standards for extended MTBF in harsh plant environments.
- Compact Card Form Factor — Optimized for high-density cabinet layouts without sacrificing thermal performance.
Industry & Equipment Applications
- Oil & Gas: Upstream wellhead control panels, midstream pipeline SCADA, downstream refinery DCS cabinets
- Petrochemical & Chemical: Reactor control systems, distillation column automation, batch process controllers
- Power Generation: Turbine control systems, boiler management, grid-tie automation panels
- Pulp & Paper / Food & Beverage: Continuous process lines requiring uninterrupted DCS power integrity
- Water & Wastewater: Treatment plant SCADA and remote I/O power distribution
- LNG & Offshore Platforms: Hazardous-area rated control room DCS infrastructure
System Integration & Compatible Parts
The PW482-50 is designed to integrate seamlessly within the CENTUM VP ecosystem. Compatible and commonly co-ordered components include:
- YOKOGAWA AFV10D / AFV30D — Field Control Units (FCU)
- YOKOGAWA AAI141 / AAI143 — Analog Input Modules
- YOKOGAWA AAI841 / AAI843 — Analog Output Modules
- YOKOGAWA ADV151 / ADV161 — Digital I/O Modules
- YOKOGAWA EB401 / EB501 — ESB Bus Interface Modules
- YOKOGAWA PW481 — Companion Power Supply Module (for redundant pair configuration)
If you need assistance identifying compatible modules for your specific FCS cabinet revision, our technical team can cross-reference your system’s BOM.
Our Quality Assurance Process
Every YOKOGAWA PW482-50 unit sourced through Konmask.com undergoes a structured verification process before shipment:
- Authenticity Verification: Visual inspection of OEM labeling, date codes, and part markings against Yokogawa reference standards.
- Functional Pre-Check: Where test bench facilities permit, modules are powered up and output parameters are verified prior to dispatch.
- Condition Grading: Units are clearly graded as New (factory-sealed), Refurbished (tested & reconditioned), or Used (tested, as-removed) — no ambiguity.
- Secure Packaging: Anti-static ESD bags, foam-lined cartons, and moisture-barrier packaging for international freight.
- Documentation: Test reports and condition certificates available upon request for regulated industries.
How to Order
- Submit an Inquiry: Use the contact form or email support@konmask.com with your required quantity, preferred condition grade, and delivery timeline.
- Receive a Quote: Our team will respond within 1 business day with pricing, lead time, and stock availability.
- Confirm & Pay: Approve the proforma invoice and complete payment via T/T bank transfer or other agreed method.
- Shipment & Tracking: We arrange export packaging, customs documentation (commercial invoice, packing list), and provide tracking upon dispatch.
- After-Sales Support: Technical questions post-delivery are handled by our engineering support team.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on DCS, PLC, and industrial control system components — not a generalist distributor.
- Global Sourcing Network: Access to new, refurbished, and hard-to-find obsolete Yokogawa parts through verified supply channels.
- B2B Inquiry-First Model: No pressure selling — we provide accurate quotes based on your actual project requirements.
- Export Experience: Experienced in international shipping to Southeast Asia, the Middle East, Europe, and the Americas with full customs documentation.
- Technical Competence: Our team understands CENTUM VP architecture — we speak your engineering language.
- Transparent Grading: Clear condition disclosure on every unit; no surprises on arrival.
Frequently Asked Questions
Q: Is the PW482-50 compatible with CENTUM CS 3000 as well as CENTUM VP?
A: Yes. The PW482-50 is used across both CENTUM CS 3000 and CENTUM VP platform generations. Always verify your cabinet revision and slot configuration with your system documentation before ordering.
Q: Can I use the PW482-50 in a redundant power configuration?
A: Yes. The module supports N+1 redundancy when paired with a compatible companion power supply. Contact us to confirm the correct pairing for your FCS cabinet model.
Q: Do you supply new (factory-sealed) units only?
A: We supply new, refurbished, and tested used units depending on availability and your budget requirements. All conditions are clearly disclosed in the quotation.
Q: What is the lead time for the PW482-50?
A: Lead time varies by stock availability. In-stock units typically ship within 3–5 business days after payment confirmation. For out-of-stock items, sourcing lead time is typically 2–6 weeks. Contact us for current availability.
Q: Can you provide a test report or certificate of conformance?
A: Yes. Test reports and condition certificates are available upon request, particularly for refurbished and used units. Please specify your documentation requirements when submitting your inquiry.
Q: Do you accept returns if the module does not fit my system?
A: We handle return and exchange cases on a case-by-case basis. We strongly recommend confirming compatibility with your system BOM before ordering. Our technical team is available to assist with pre-order verification.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
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