Product Description
Woodward 5009-421 Digital Control System
Product Overview
- The Woodward 5009-421 is a Digital Control System designed for industrial steam turbines, providing advanced control, protection, and monitoring capabilities. Part of the Woodward 5009 series, this system is used to regulate turbine speed, load, and other operational parameters, ensuring optimal performance and safety. It is commonly applied in power generation, oil and gas, petrochemical, and industrial process applications, particularly for mechanical-drive and generator-drive steam turbines. The 5009-421 is known for its reliability, flexible configuration, and robust design, suitable for both new installations and retrofits of older turbine control systems.
Technical Specifications
- The 5009-421 has the following specifications based on industry sources and Woodward documentation:
| Specification | Details |
|---|---|
| Model/Part Number | 5009-421 |
| Manufacturer | Woodward |
| Description | Digital Control System for Steam Turbines |
| Series | 5009 |
| Function | Controls steam turbine speed, load, extraction, and protection |
| Input Signals | Analog: 4–20 mA, 0–5 V, thermocouples, RTDs (for process parameters) Digital: Binary inputs (e.g., start/stop, trip signals) Speed: Magnetic pickup (MPU) or proximity sensors (up to 4 speed inputs) |
| Output Signals | Analog: 4–20 mA (for valve actuators, governors) Digital: Relay outputs for alarms, shutdowns, or status PWM: For precise actuator control |
| I/O Capacity | Configurable, typically 16–32 analog inputs, 8–16 analog outputs, 32–64 digital inputs/outputs |
| Control Modes | Speed control, load control, extraction/admission pressure control, isochronous/droop, cascaded control |
| Communication Interfaces | RS-232, RS-485, Modbus RTU, Ethernet (optional), Woodward proprietary protocols |
| Redundancy | Optional triple modular redundant (TMR) configuration for critical applications |
| Software | Woodward Control Assistant, GAP (Graphical Application Programmer) for programming and configuration |
| Diagnostics | Overspeed protection, valve fault detection, event logging, real-time monitoring, alarm outputs |
| Compatibility | Woodward actuators (e.g., TG-17E, CPC-II), steam turbines, and third-party devices via standard protocols |
| Power Supply | 18–32 VDC (24 VDC nominal, redundant power inputs supported) |
| Power Consumption | Approx. 30–60 W (depending on configuration and I/O load) |
| Environmental Specifications | Operating Temperature: -40°C to +70°C (-40°F to +158°F) Storage Temperature: -40°C to +85°C (-40°F to +185°F) Relative Humidity: 5% to 95% non-condensing Vibration: MIL-STD-810 compliant Shock: MIL-STD-810 compliant |
| Enclosure | IP20 (installed in control cabinet, higher IP ratings with enclosures) |
| Dimensions | Approx. 350 mm (H) x 250 mm (W) x 150 mm (D) (chassis-dependent) |
| Weight | Approx. 3.0–5.0 kg (depending on configuration) |
| Mounting | Rack-mounted or panel-mounted (chassis-dependent) |
| Certifications | CE, UL, CSA, ATEX (for hazardous areas, configuration-dependent), marine certifications (e.g., DNV, ABS) |