Woodward 8440‑1713/D Industrial Digital Governor & Speed Controller Module

Product Description

The Woodward 8440‑1713/D is a high‑performance industrial digital governor and speed controller module, engineered for precision speed regulation, load sharing, and protection of turbines, engines, and critical rotating machinery in harsh industrial environments. Part of Woodward’s 8400 Series, this rack‑mountable module features dual redundant speed inputs (compatible with magnetic pickups, eddy‑current probes, or proximity sensors), configurable analog I/O (8× AI, multiple AO including 0‑10V DC/4‑20mA DC), discrete I/O (20× contact inputs, configurable trip/alarm outputs), Modbus RTU/TCP communication, and advanced control algorithms (PID, lead‑lag, critical speed avoidance). Built with industrial‑grade components, wide temperature operation (-40°C to 85°C), and robust EMI/RFI shielding, it ensures reliable operation in power generation, oil & gas, marine, and industrial process applications—ideal for retrofitting legacy mechanical governors or upgrading existing digital control systems.

Key Functions

The 8440‑1713/D digital governor delivers mission‑critical speed and load control with these core features: Dual redundant speed feedback inputs for fault‑tolerant operation, supporting magnetic pickups (MPU) and proximity sensors; Precision speed regulation (±0.1% accuracy) with PID tuning, critical speed avoidance, and overspeed trip protection; Configurable analog I/O (8× AI for temperature/pressure/load, 0‑10V DC/4‑20mA DC AO for actuator control); 20× contact inputs (for start/stop, speed setpoint, alarm resets) and programmable relay outputs (for alarms, trips, status); Modbus RTU (RS‑485) & Modbus TCP (Ethernet) communication for integration with DCS/PLC/SCADA systems; Automatic start/stop sequencing, load sharing, and frequency droop control for parallel operation; Built‑in diagnostics with LED indicators, event logging, and remote monitoring via Woodward’s configuration software.

Application Scenarios

The 8440‑1713/D is designed for high‑availability rotating machinery control applications including: Steam/gas turbine speed control in power generation plants (thermal, combined‑cycle, CHP); Reciprocating engine & turbine control for oil & gas upstream/midstream facilities (compressor stations, LNG plants); Marine main propulsion & auxiliary engine speed regulation for commercial vessels; Industrial gas turbine & centrifugal compressor control in chemical, petrochemical, and refining processes; Legacy mechanical governor retrofits to digital control systems for improved efficiency and reliability; Parallel operation of multiple generators for load sharing and grid frequency stabilization.

Technical Specifications

• Global Inventory: 121 shared inventories worldwide, enabling direct procurement from overseas warehouses for faster delivery.
• Pricing & After-Sales: Competitive prices plus reliable after-sales warranty services.
• Customer Coverage: Serving clients across United States, Germany, Japan, South Korea, United Kingdom, France, Italy, Canada, Brazil, India, Australia, Russia, Spain, Netherlands, Switzerland, Sweden, Belgium, Austria, and Turkey.
• Product Quality: All items are brand new and original. Spare parts include a 1-year warranty, and all products are tested and certified.
• Discounts: Contact us for bulk-order discounts. We also offer further price adjustments if you receive lower quotes for identical products from other suppliers.