Product Details
Configured for multi-channel sensor signal acquisition in gas turbine control platforms, the Woodward 9905-968 (9905-968 Channel Analog Input Module) provides direct physical/electrical execution. The hardware conditions and converts 4-20 mA analog inputs from field sensors into digital data streams for processing by central governing logic. Housed in a 16 cm x 16 cm x 12 cm enclosure weighing 1.82 kg, the unit routes conditioned real-time telemetry across dedicated Linknet communication channels.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 9905-968 |
| Brand | Woodward |
| Origin | United States |
| Weight | 1.82 kg |
| Dimensions | 16 cm x 16 cm x 12 cm |
| Operating Temp | Standard Industrial Range (-20 deg C to +60 deg C) |
| Power Consumption | Linknet Network / External 24 VDC Powered |
| Input Channel Count | 6 Channels |
| Signal Input Type | 4-20 mA Current Loop |
| Signal Processing | Analog-to-Digital Conversion with Signal Conditioning |
| Architecture | Linknet I/O Network Component |
Actuator Loop Feedback Response
The Woodward 9905-968 Linknet Analog Input Module incorporates low-latency signal filtering and digitizing logic designed to preserve actuator loop feedback response. By executing high-speed sampling across all six 4-20 mA channels, the internal circuitry scales field pressure, temperature, and position sensor inputs without phase delay. Continuous signal conditioning suppresses high-frequency electrical noise, supplying noise-free telemetry to the main controller to prevent phase lag or hunting in hydraulic actuator control loops.
Frequently Asked Questions
Q: How is signal wire shield grounding handled for the 4-20 mA input loops?
A: All 4-20 mA input loop signal cables must use individual shielded twisted pairs. Connect signal cable drain shields to the enclosure single-point grounding bus bar at one end only to prevent ground loops from introducing current measurement offsets.
Q: Can channels be hot-swapped while the Linknet network is actively processing signals?
A: Live removal or insertion of the module while powered must follow strict safety procedures. De-energize field loops or disconnect the Linknet communication header to avoid transient bus disruptions and improper diagnostic trips within the primary control software.
Field Installation Guidelines
Mount the module inside a grounded metal control cabinet using the standard mounting hardware to ensure structural stability against mechanical vibration. Wire the 4-20 mA input channels using shielded twisted-pair conductors, maintaining physical separation between low-level analog signal lines and high-voltage AC lines or inductive output wiring. Ensure the cabinet earth ground strap is bonded directly to the main grounding point with a short, low-impedance conductor prior to powering the unit.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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