Woodward 5437-1124 ProTech-GII Overspeed Spare Module

Description

Woodward 5437-1124 ProTech-GII Spare Module

Product Name: Woodward 5437-1124 ProTech-GII Spare Module Model: 5437-1124 Applications: Steam turbine overspeed protection, gas turbine safety monitoring, compressor over-speed trip, power generation prime mover protection Key Selling Points: Drop-in replacement, 2-out-of-3 voting logic, speed signal monitoring, overspeed trip function, compatible with ProTech-GII 8237-1596 /8237-1600 Audience: Turbine control engineers, power plant maintenance supervisors, EPC safety engineers, procurement managers for rotating machinery protection

2. Product Overview

The Woodward 5437-1124 is a spare core module for the ProTech-GII independent overspeed protection system. It monitors shaft speed signals and executes trip logic, preventing turbine runaway and mechanical damage when speed exceeds safe thresholds. This spare module supports 2oo3 voted protection, ensuring reliable overspeed response even if one channel develops faults.

2-out-of-3 voting logic → reduce false trips while maintaining reliable overspeed protection for rotating equipment

Direct drop-in replacement → simple swap for ProTech-GII rack without cabinet modification

High-precision speed signal acquisition → capture pulse signals from magnetic pickups for real-time shaft speed monitoring

Independent overspeed trip function → fully separate from turbine governor control to meet safety requirements

Compatibility with 8237-1596 /8237-1600 ProTech-GII units → direct spare for existing installed base

3. Technical Specifications

4. Product Features

2oo3 Voted Overspeed Protection

Why it matters: Turbine overspeed protection cannot fail to trip or trigger unnecessary shutdown, which may cause heavy production losses. How it works: Three independent measurement channels monitor shaft speed. Protection action activates only when at least 2 channels detect overspeed conditions, minimizing false trips while retaining safety response.

Drop-in Replacement Design

Why it matters: Power plants and compressor stations require fast module swap to shorten outage time during maintenance. How it works: Same mechanical form factor and terminal definition as the original ProTech-GII module. No wiring changes or program reconfiguration needed after replacement.

Independent Safety Trip Channel

Why it matters: Overspeed protection must be independent of the main turbine governor control to avoid common-mode failure. How it works: The module operates separately from the governor system. It directly processes speed pickup signals and drives trip relays, isolated from turbine regulation circuits.

5. Target Applications

Steam turbine overspeed protection: monitor shaft speed and trigger emergency trip for power generation steam turbines

Gas turbine safety monitoring: overspeed interlock for industrial gas turbines used in combined-cycle power plants

Centrifugal compressor protection: prevent runaway for refinery and petrochemical process compressors

Generator prime mover safety: overspeed protection for backup engine generators at remote sites

6. Quality Assurance & Compliance

Woodward ProTech-GII modules comply with industrial EMC and CE standards for rotating machinery safety applications. All surplus genuine 5437-1124 modules pass pre-shipment inspection: speed input signal test, 2oo3 voting verification, relay trip function test and visual hardware inspection. Inspection records are available for plant maintenance FAT verification. This is an EOL genuine Woodward spare part.

7. FAQ

Q1: Can you modify hardware for retrofit projects? A: We cannot modify Woodward safety module hardware. We can supply matched magnetic pickups, cables and terminal accessories for ProTech-GII system overhaul.

Q2: What is the lead time for samples and bulk orders? A: Stock status confirmed upon inquiry. If in stock, lead time is 1–2 weeks. Sample modules for technical testing can be arranged subject to inventory.

Q3: What warranty and technical support do you provide? A: 12-month warranty for original hardware defects. Damage caused by miswiring, overvoltage or improper installation is excluded. Our team offers compatibility review for your existing ProTech-GII unit.

Q4: Can you provide documents for plant safety audits? A: Commercial invoice, packing list and CO certificate are available. Additional audit documentation can be discussed before order confirmation.