Product Details
The Woodward 9905-969, also cataloged as the 9905-969 Analog Input Module, operates as a dedicated hardware component for distributed signal acquisition across LINKnet turbine control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 9905-969 |
| Brand | Woodward |
| Origin | USA |
| Weight | 9.11 lbs |
| Dimensions | 14 x 11 x 4 inches |
| Operating Temp | -40 to 55 deg C |
| Power Consumption | +24 VDC at 1 A |
| Accuracy | 1% at 25 deg C |
| Input Channels | 6 Channel (4-20 mA) |
Actuator Loop Feedback Response
The 9905-969 module facilitates distributed analog signal collection, interfacing with the NetCon controller via a single twisted-pair communication trunk. The input channels are optimized for 4-20 mA sensor feedback, providing the necessary data for sequencing and monitoring tasks. In systems utilizing actuator loop feedback, the module translates field device current levels into digital packets, which are then processed by the NetCon controller's defined rate group. Consistent signal integrity is maintained through isolated network trunks, with each module configured via dual rotary switches to ensure accurate node addressing (1 to 60) within the LINKnet architecture.
Frequently Asked Questions
Q: Can the 9905-969 module be hot-swapped during active network communication?
A: The module is designed as a plug-in component for the LINKnet system. However, replace modules only when the trunk is powered down or when the system software configuration permits safe removal to prevent address conflict or communication bus instability.
Q: How are network address conflicts avoided when installing multiple modules?
A: Each module utilizes two rotary switches to set the node address. This address must correspond precisely with the configuration assigned within the MOE coder program to ensure data packets are correctly routed to the assigned channel rate group.
Field Installation Guidelines
- Mounting: Ensure the module is securely mounted in the control cabinet. Maintain adequate spacing to allow for proper airflow within the -40 to 55 deg C operating range.
- Addressing: Before inserting the module, set the dual rotary switches to the address specified by the system integrator’s configuration file.
- Communication Wiring: Connect the module to the NetCon controller trunk using a single twisted-pair wire. Ensure terminations are tight to prevent intermittent data loss on the 277 VAC rated network line.
- Shielding: Ground cable shields at the designated cabinet terminals to protect against common-mode noise, especially in environments where humidity reaches the 95% threshold.
- Validation: After power-up, check the 2-line display for status indicators. Ensure the NetCon controller acknowledges the node before calibrating the 6 channels via the MOE coder program.
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.
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