PW402-S2 Yokogawa | CENTUM CS3000 Power Module Original

Availability: 99 left in stock

Product Overview The Yokogawa PW402-S2 functions as a high-performance power conversion module for the CENTUM CS3000 and CENTUM VP Distributed Control System (DCS) platforms....

SKU: PW402 S2

Manufacturer: Yokogawa
Product No.: PW402 S2
Product Type: Industrial Control Systems
Product Origin: 日本
Payment:T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Yokogawa PW402-S2 functions as a high-performance power conversion module for the CENTUM CS3000 and CENTUM VP Distributed Control System (DCS) platforms. This Style S2 revision delivers a regulated 24 VDC output (supporting up to 102W total power) to energize controllers, I/O modules, and fieldbus communication interfaces. We offer this unit as 100% Brand New and Original in Factory Packing, providing the updated safety and reliability standards inherent to the S2 revision for critical oil & gas, chemical, and power generation assets.

Part Number Breakdown: PW402-S2

PW402: Base model identifier for the CENTUM series power supply module.
Style S2: Designates the second-generation hardware revision, which features optimized internal circuitry and enhanced thermal dissipation characteristics compared to legacy Style S1 units.

Technical Specifications

Parameter	Details
Manufacturer	Yokogawa
Model	PW402-S2 (Style S2)
System Platform	CENTUM CS3000 / CENTUM VP
Input Voltage	100–120 VAC or 220–240 VAC (50/60 Hz)
Output Voltage	24 VDC Regulated
Total Output Power	102 Watts
Output Current	Up to 5.0 A (Secondary Logic: 5.1V @ 20A)
Redundancy	Supports dual-redundant load-sharing configurations
Operating Temp	0 °C to +50 °C
Dimensions	5.1 cm x 22.9 cm x 20.3 cm
Weight	2.0 kg
Country of Origin	Japan

Engineering Advantages

Revision S2 Hardware Optimization: The Style S2 revision eliminates common failure points found in older power modules. It utilizes high-grade industrial capacitors and an updated PCB layout to ensure stable 24VDC delivery even during high-frequency switching or fluctuating AC input conditions.
Fault-Tolerant Redundancy: Two PW402-S2 modules integrate seamlessly into a single system rack to facilitate N+1 redundancy. If the primary module fails, the redundant partner assumes the full electrical load instantly, preventing controller reboots and maintaining continuous process control.
Active Status Monitoring: Front-panel diagnostic LEDs provide real-time visual feedback on module health. The unit communicates internal fault states—such as overvoltage or thermal thresholds—directly to the DCS software, enabling predictive maintenance before a secondary failure occurs.
Hot-Swappable Maintenance: The module architecture allows for live replacement. Maintenance teams extract and replace faulty units without interrupting the power bus or shutting down the plant, significantly reducing Mean Time to Repair (MTTR).

FAQs

Q: Does the PW402-S2 replace the older PW402 Style S1?

A: Yes. The Style S2 is a direct, backward-compatible replacement for Style S1 modules. It offers superior thermal management and meets more stringent modern safety certifications while fitting the same rack footprint.

Q: What happens if the input voltage spikes beyond the rated range?

A: The PW402-S2 incorporates robust overvoltage and surge protection. It clamps excessive voltage to protect downstream controllers and, in extreme cases, triggers a safe thermal shutdown to prevent damage to the DCS backplane.

Q: Can I mix a PW402-S2 with an older revision in a redundant setup?

A: While Style S2 modules can operate alongside older revisions, Yokogawa recommends using matched S2 pairs for redundant configurations to ensure perfectly balanced load-sharing and identical diagnostic response times.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.