WOODWARD A8516039 Power Supply Module

Technical Dossier

Product Details And Specifications

WOODWARD A8516039 Series Technical Notes

The WOODWARD A8516039 is a Power Supply Module designed for deployment within WOODWARD's industrial control and governor system platforms. WOODWARD governor and control systems are installed across critical heavy-industry sectors globally, including hydroelectric power stations, gas turbine plants, steam turbine facilities, oil refineries, and chemical processing plants. The A8516039 module provides regulated DC power distribution to the control backplane, ensuring stable voltage supply to CPU, I/O, and communication modules within the system rack. Its role as a foundational infrastructure component means that failure or unavailability of this module directly impacts plant uptime. Facilities operating WOODWARD-based control architectures in long-term maintenance cycles depend on verified spare parts availability for this module category.

WOODWARD A8516039 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components within WOODWARD's MicroNet and associated digital governor control system families. Each module is categorized by functional role:

Power Supply Modules

• A8516039: Primary DC power supply module for MicroNet control rack backplane distribution.
• 5464-839: Redundant power supply module for MicroNet dual-supply configurations.
• 5464-840: Backup power input module, supports UPS interface for critical governor racks.
• 5462-429: Power conditioning module, filters input AC/DC for sensitive control electronics.

CPU / Controller Modules

• 5464-748: MicroNet main processor module, executes governor control algorithms.
• 5464-749: Redundant CPU module for TMR (Triple Modular Redundancy) configurations.
• 5462-384: Application controller module, configurable for turbine speed and load control.
• 5464-752: High-speed processor module for fast-response governor applications.

Digital Input (DI) Modules

• 5462-371: 16-channel digital input module, 24VDC logic, for discrete status monitoring.
• 5462-372: 32-channel digital input module, extended I/O for large turbine control panels.
• 5464-804: Isolated digital input module, surge-protected for high-noise plant environments.

Analog Input (AI) Modules

• 5462-375: 8-channel analog input module, 4–20mA, for process variable acquisition.
• 5462-376: 16-channel analog input module, supports thermocouple and RTD inputs.
• 5464-808: High-resolution analog input module, 16-bit ADC, for precision speed sensing.

Communication / Network Modules

• 5462-390: Modbus RTU communication adapter for SCADA and DCS integration.
• 5464-820: Ethernet communication module, supports Modbus TCP and DNP3 protocols.
• 5462-395: DeviceNet adapter module for plant-level fieldbus connectivity.

Output Modules

• 5462-380: 8-channel analog output module, 4–20mA, for actuator and valve positioning.
• 5462-382: Digital output module, relay-type, 16-channel, for trip and alarm circuits.