WOODWARD 9905-860 Analog Input Module – Multi-Channel Signal Acquisition | Woodward NetCon / MicroNet Series
Engineering Background: The WOODWARD 9905-860 is a dedicated analog input module engineered for Woodward’s turbine and industrial governor control platforms. Designed to interface directly with the NetCon and MicroNet control architectures, this module provides high-fidelity analog signal conditioning and digitization for critical process variables including speed, temperature, pressure, and load feedback in power generation and rotating machinery applications.
Product Positioning: As a core I/O component in Woodward’s distributed control ecosystem, the 9905-860 is the preferred choice for OEM system integrators, turbine OEMs, and MRO procurement teams requiring drop-in replacement modules with guaranteed compatibility. Konmask.com supplies this module from verified industrial surplus and authorized distribution channels, with full traceability documentation available on request.
Complete Technical Specifications
- Part Number / SKU: 9905-860
- Manufacturer: WOODWARD Governor Company
- Module Type: Analog Input Module
- Compatible Platforms: Woodward NetCon, MicroNet, and compatible governor control systems
- Signal Types Accepted: 4–20 mA current loop, 0–10 VDC voltage, thermocouple (platform-dependent), RTD inputs
- Input Channels: Multi-channel (refer to system documentation for channel count per slot)
- Resolution: 12-bit or higher A/D conversion (platform-specific)
- Isolation: Channel-to-channel and channel-to-bus isolation for noise immunity
- Operating Temperature: 0°C to +60°C (32°F to 140°F)
- Storage Temperature: -40°C to +85°C
- Power Supply: Supplied via backplane bus (system-dependent)
- Mounting: Rack/backplane card format, Woodward standard form factor
- Weight: 5,220 g (shipping weight including packaging)
- Compliance: CE, UL/cUL (verify with current datasheet)
- Condition Available: New surplus, refurbished, and tested-used
Proven Application Environments
- Gas turbine and steam turbine governor control systems
- Combined-cycle power plant distributed control upgrades
- Compressor station automation and anti-surge control
- Industrial boiler and heat recovery steam generator (HRSG) control
- Marine propulsion governor systems
- Oil & gas upstream and midstream process control
- Retrofit and life-extension projects for legacy Woodward governor panels
Engineering Advantages
- Direct OEM Compatibility: Plug-and-play replacement for existing Woodward NetCon/MicroNet installations — no firmware modification required in most configurations.
- High Signal Integrity: Differential input architecture and hardware filtering minimize common-mode noise in high-EMI industrial environments.
- Redundancy Support: Compatible with Woodward’s redundant I/O architectures for critical turbine protection applications.
- Rapid Commissioning: Module auto-identification via backplane reduces configuration time during planned maintenance windows.
- Long Service Life: Industrial-grade components rated for continuous duty in harsh environments.
System Architecture & Signal Flow
The 9905-860 occupies a dedicated I/O slot within the Woodward control rack. Field wiring connects to the module’s terminal interface, where analog signals are conditioned, filtered, and converted to digital values by the onboard A/D converter. Digitized process values are transmitted over the Woodward proprietary backplane bus to the main processor module (e.g., NetCon CPU or MicroNet controller) for real-time control loop execution. The module supports both simplex and redundant bus configurations depending on the system build.
Sourcing & Quality Verification
- Source Traceability: All units sourced from documented industrial surplus, OEM overstock, or authorized distributors.
- Incoming Inspection: Visual inspection, label verification, and functional power-on test performed prior to listing.
- Serialization: Original Woodward serial numbers and date codes preserved; no remarking or relabeling.
- Packaging: ESD-safe anti-static bags, foam-lined cartons, and moisture barrier packaging for international shipment.
- Documentation: Certificate of conformance, test report, and original Woodward part label available upon request.
Procurement Process
- Lead Time: In-stock units ship within 1–3 business days; ex-stock availability confirmed at order placement.
- Minimum Order Quantity: 1 unit (bulk pricing available for 5+ units — contact sales).
- Payment Terms: T/T (wire transfer), PayPal, credit card; net terms available for qualified accounts.
- Export Compliance: ECCN classification and export documentation provided for international orders.
- Returns: 30-day DOA warranty; extended warranty options available — see store policy.
- Shipping: DHL Express, FedEx International Priority, UPS Worldwide — tracked and insured.
Technical FAQ
Q: Is the 9905-860 compatible with both NetCon and MicroNet platforms?
A: The 9905-860 is designed for Woodward’s governor control family. Compatibility depends on the specific rack generation and firmware version. Please provide your system model number for confirmation before ordering.
Q: Can this module be used as a direct replacement without reconfiguration?
A: In most cases, yes — the module uses backplane auto-identification. However, we recommend verifying the system’s I/O map and channel assignments with your Woodward system documentation or our technical team prior to installation.
Q: Do you provide a functional test report?
A: Yes. A functional test report is available upon request for all units. Please specify this requirement at the time of order.
Q: What is the warranty coverage?
A: All units carry a 30-day DOA (Dead on Arrival) warranty. Extended 90-day and 12-month warranty options are available — contact support for details.
Q: Can you supply multiple units for a plant-wide spares program?
A: Yes. We maintain stock and can source additional units for bulk spares programs. Contact us for volume pricing and availability.
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