Product Core Brief

• Model: PW701
• Brand: YOKOGAWA
• Series: CENTUM VP Power Supply Module
• Core Function: Power supply module for Yokogawa CENTUM VP Field Control Stations or I/O subsystems, providing regulated internal DC power to controllers, I/O nodes, and communication components.
• Product Type: FCS / I/O Power Supply Module
• Key Specs: CENTUM VP compatible | Redundant power support | Module status indication | FCS rack mounting
• Condition: New Original / New Surplus
• Status: Limited availability; confirm full model code, style/revision code, input voltage, and FCS model before ordering

Key Technical Specifications

• Product type: Yokogawa CENTUM VP power supply module
• Model code:
• System compatibility: Yokogawa CENTUM VP Field Control Station / I/O subsystem
• Input voltage: To be confirmed from module nameplate or Yokogawa hardware manual
• Output ratings: To be confirmed from nameplate or official documentation
• Redundancy: CENTUM VP FCS power supplies typically support dual-redundant configuration for high availability
• Diagnostics: Module status indication and fault detection typical of CENTUM VP power modules
• Typical applications: FCS rack power supply replacement, maintenance spares, system upgrades, and plant shutdown turnarounds
• Handling: ESD-sensitive control system module; verify model code, style/revision code, input voltage, and FCS compatibility before installation

Note: Publicly available CENTUM VP documentation confirms that FCS processors, power supplies, I/O modules, and control networks support dual-redundant design and online maintenance. However, the exact input voltage, output rating, and compatible FCS models for PW701 cannot be confirmed without the module nameplate or official Yokogawa documentation. Please verify these details before procurement or installation.

 

Product Introduction

The PW701 is a Yokogawa CENTUM VP power supply module used to provide regulated internal DC power within CENTUM VP Field Control Stations or associated I/O subsystems. In CENTUM VP systems, power supply modules supply stable power to processors, I/O nodes, and communication components inside the FCS rack.

Like other CENTUM VP power modules, the PW701 is primarily relevant for replacement, maintenance, and spare-parts provisioning in existing DCS installations. Because CENTUM VP power supplies must match the FCS model, input voltage, redundancy configuration, and revision, the PW701 should be verified against the original module nameplate before substitution.

For system integrators and maintenance teams, the most reliable way to confirm compatibility is to compare the full model code, style/revision code, and FCS rack type with the original installed unit.

QA & Inspection SOP

Each unit is inspected before release:

1. Nameplate verification: Confirm the model reads PW701 and record any style, revision, or suffix codes.
2. Visual inspection: Check the housing, terminals, connectors, and mounting hardware for damage.
3. Terminal check: Inspect power input terminals and system-side connectors for corrosion, looseness, or burn marks.
4. Insulation check: Verify no visible short circuits between input, output, and ground.
5. Power-on test: Apply rated input voltage and confirm normal output voltage per nameplate specification.
6. Status check: Verify module status LEDs or alarm indicators after startup.
7. Redundancy check: If used in a redundant pair, confirm both power supplies match model, revision, and output characteristics.
8. Packaging: Protect terminals and connectors with anti-static packaging.

Full system validation requires installation in a compatible CENTUM VP FCS rack with authorized configuration access.

Installation Pitfalls & Guide

❗ Confirm the exact model code. PW701 may have style, revision, or suffix variants. Do not substitute without verifying the full part number.

❗ Verify input voltage. Do not assume PW701 matches PW481, PW482, PW484, or other CENTUM VP power modules. Input voltage must be confirmed from the nameplate.

❗ Match FCS compatibility. PW701 is intended for CENTUM VP FCS or I/O power applications, not generic 24 V DC supplies or unrelated Yokogawa platforms.

❗ Check redundancy configuration. If the original power supply was installed as a redundant pair, both units should match in model, revision, and output characteristics.

❗ Follow plant electrical safety procedures. Power supply replacement should follow lockout/tagout and site maintenance procedures.

Installation steps:

1. Pre-install: Record the original module model, style/revision code, slot position, and wiring.
2. Isolate power: De-energize the FCS power input according to site safety procedures.
3. Install: Seat the PW701 firmly in the correct FCS power slot.
4. Wire: Reconnect power input and system connectors according to the original wiring.
5. Power-up: Restore power and check module status indicators.
6. Verify: Confirm normal FCS operation and absence of power alarms.

 

Technical FAQ

What is YOKOGAWA PW701?
It is a Yokogawa CENTUM VP power supply module used in FCS or I/O subsystems to provide regulated internal DC power.

Which system does it belong to?
It belongs to the Yokogawa CENTUM VP DCS power supply family.

What is the input voltage?
The input voltage cannot be confirmed without the module nameplate or official Yokogawa documentation. Please verify before ordering.

Can it replace other CENTUM VP power modules?
Not without verification. CENTUM VP power supplies must match the FCS model, input voltage, revision, and redundancy configuration.

What should I check before ordering?
Confirm the full model code, style/revision code, original FCS model, input voltage, redundancy requirement, and application. A nameplate photo is the most reliable way to verify compatibility.