5.1V DC 29A Power Supply Module

5.1V DC 29A Power Supply Module | Yokogawa PW701

Availability: 99 left in stock

Product Overview The Yokogawa PW701 serves as the high-current power backbone for CENTUM VP, CS 3000, and ProSafe-RS Safety Instrumented Systems (SIS). This rack-mountable module delivers...

SKU: PW701

Manufacturer: Yokogawa
Product No.: PW701
Product Type: Redundant DCS Power
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 1000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Yokogawa PW701 serves as the high-current power backbone for CENTUM VP, CS 3000, and ProSafe-RS Safety Instrumented Systems (SIS). This rack-mountable module delivers a precision-regulated +5.1 V DC output at up to 29 Amps, specifically engineered to energize system CPUs and high-density I/O configurations. We supply this unit as 100% Brand New and Original, ensuring your critical safety and control loops benefit from factory-certified SIL2 hardware and superior thermal management.

Technical Specifications

Feature	Specification Details
Manufacturer	Yokogawa Electric Corporation
Model Number	PW701
Input Voltage Range	85–264 V AC or 88–300 V DC
Output Voltage	+5.1 V DC (Regulated)
Output Current	Up to 29 Amps
Output Power	148 Watts
Efficiency	≥ 90%
Redundancy	1:1 Hot-Standby with Automatic Failover
Safety Integrity	IEC 61508 SIL2 Certified
Cooling	Natural Convection (Fanless)
Operating Temp	–10 °C to +50 °C
Monitoring	Voltage, Current, Temperature, and Fault Status

Engineering Advantages

SIL2 Certified for Safety Systems: The PW701 carries IEC 61508 SIL2 certification, making it a mandatory component for ProSafe-RS platforms. It provides the high-integrity power required for Safety Instrumented Functions (SIF) in petrochemical and hazardous process environments.
Massive 29A Current Output: Optimized for power-hungry CPU modules and extensive I/O racks, the PW701 delivers a robust 29 Amps at 5.1V DC. This high capacity allows engineers to power complex DCS nodes without the voltage sag associated with lower-tier power cards.
Intelligent System Integration: The PW701 does not operate in isolation. It continuously reports real-time data—including output voltage, load current, and internal temperature—to the Human Interface Station (HIS) via the FCS backplane. This enables predictive maintenance and immediate fault visualization.
High-Efficiency Thermal Design: Boasting an efficiency rating of ≥90%, the module generates minimal waste heat. The fanless, natural convection design eliminates mechanical failure points and prevents the accumulation of industrial dust inside the module, significantly extending the service life of the internal electronics.
Universal Input Flexibility: The PW701 accepts a wide input range from 85–264 V AC to 88–300 V DC. This allows for seamless integration into diverse plant infrastructures, including those utilizing specialized DC battery backup systems for emergency operations.

FAQs

Can the PW701 be used in non-safety CENTUM VP systems?

Yes. While it is SIL2 certified for ProSafe-RS, the PW701 is fully compatible with standard CENTUM VP/CS 3000 racks. Its high current capacity makes it an excellent choice for any system requiring stable 5.1V DC power.
How does the redundancy work in a PW701 pair?

The system utilizes a 1:1 hot-standby configuration. Both modules reside in the rack, but the system manages them so that a secondary module takes over the full load instantly upon a detected fault in the primary unit, ensuring zero process interruption.
Is it safe to install the PW701 in high-vibration environments?

Yes. The PW701 is designed for industrial DCS cabinets. However, always ensure the module is securely latched into the FCS backplane and the cabinet is properly grounded to mitigate electromagnetic interference (EMI).
Why should I avoid used or refurbished PW701 modules?

The PW701 is a critical safety-rated component. Used power modules often have aged capacitors that cannot maintain the required 29A peak current or the strict 5.1V tolerance. A 100% Brand New PW701 ensures the unit meets its SIL2 reliability metrics and protects your multi-million dollar CPU and I/O hardware from electrical instability.

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.