Description
1. Unboxing & Physical Snapshot
- Model & Brand: Woodward MicroNet / Actuator Driver Module (Part Number: 9907-135)
- Physical Dimensions: 15.8 cm (Length) x 15.8 cm (Height) x 4 cm (Depth)
- Estimated Shipping Weight: 0.38 kg (Net hardware weight; factor approximately 0.9 kg for double-walled protective ESD transit cartons)
- What’s in the Box: Microprocessor-based driver printed circuit board assembly with plug-in terminal connections, factory antistatic pink polyethylene shielding bag, and compliance insert sheet.
2. Product Introduction
Prime mover turbine governors demand absolute reliability when driving critical fuel valve actuators under extreme operating conditions. This driver module interfaces directly with Woodward digital control systems, translating high-speed processor commands into precise actuator positioning currents. (Handle the sensitive electrostatic discharge-prone components strictly by the module edges to prevent silent logic gate failures.)
Plant maintenance engineers rely on its rugged internal circuit topology to maintain tight turbine speed control during sudden electrical load rejections. Verifying correct software configuration templates and jumper settings prior to rack insertion remains imperative to avoid catastrophic overspeed trips during startup.
3. Core Technical Specifications
| Parameter | Value |
| Product Family | Woodward MicroNet / Control System Hardware |
| Item Designation | Actuator Driver / Interface Module |
| Dimensions | 15.8 cm x 15.8 cm x 4 cm |
| Net Weight | 0.38 kg |
| Operating Power | Low-voltage internal rack bus supply rails |
| Operating Temperature | -40°C to +70°C harsh industrial turbine envelope |
| Enclosure Protection | Open-type card module requiring dedicated rack chassis integration |
| Diagnostic Support | Integrated hardware status LEDs for quick fault isolation |
4. Global Compliance & Industry Certifications
- Expected Regulatory Standards: CE Mark (EMC and Low Voltage Directives), UL/cUL Listed industrial control equipment, and hazardous locations listings where applicable.
- Safety Context: Precise fuel valve positioning prevents catastrophic turbine overspeed events, protecting massive rotating machinery assets from explosive mechanical failure.
- Audit Directive: Confirm specific lot compliance certificates and country-of-origin documentation directly with authorized distributors before installing this asset into nuclear or utility-grade power generation plants.
5. Long-Trust Storage & Asset Preservation Guide
- Leave the driver module sealed inside its original factory antistatic moisture barrier bag alongside the desiccant pack until the exact hour of installation.
- Store the asset flat on static-dissipative warehouse shelving in an environment where relative humidity remains strictly below 60% to prevent oxidation on delicate gold-plated backplane pins.
- Inspect the connector pins annually for tarnish, cleaning them only with electronic-grade anhydrous isopropyl alcohol and a lint-free swab if surface contamination is detected.
6. Physical Installation Prerequisites
- Maintain adequate spacing around the rack slot to ensure proper convective airflow and prevent thermal stress on localized semiconductor components.
- Ensure the turbine control cabinet chassis is bonded securely to the facility earth ground bus bar to eliminate electromagnetic interference (EMI).
- Align the card guide rails carefully before sliding the module into the backplane connector to avoid bending delicate interface pins.
7. Buyer’s FAQ (Logistics & Compliance Focus)
- Q: What Harmonized System (HS) code applies to this turbine driver module for international customs clearance?
A: Use HS code
8538.90(Parts suitable for use solely or principally with the control apparatus of heading 8537). - Q: Does this surplus Woodward module ship pre-loaded with site-specific firmware?
A: No, units ship with factory baseline hardware settings; technicians must configure application software parameters via the system engineering tool during commissioning.
- Q: Is specialized transit insurance required for international shipping?
A: Yes, full-value freight insurance is essential due to the high replacement cost and sensitive nature of vintage turbine control electronics.
- Q: What is the verified Country of Origin (COO) for regulatory import paperwork?
A: Manufactured in the USA; inspect the exterior factory box label to confirm exact manufacturing provenance prior to customs filing.
