Product Details
Configured for actuator interface in GS3/LQ control systems, the Woodward 9907-135 (9907-135 Driver Module) provides direct electrical execution of 4-20 mA demand signal conversion to output drive signals.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 9907-135 |
| Brand | Woodward |
| Origin | USA |
| Weight | 0.38 kg |
| Dimensions | 15.8 cm x 15.8 cm x 4.0 cm |
| Input Voltage | 10-32 VDC |
| Input Signal | 4-20 mA Demand |
Actuator Loop Feedback Response and Thermal Heat Sink Dissipation Profiles
The 9907-135 driver module processes 4-20 mA demand signals to regulate output current for GS3/LQ series actuators. The module facilitates a stable actuator loop feedback response by maintaining precise current output proportional to the input command. Thermal heat sink dissipation profiles are managed by the module housing to support the internal power stage during operation across the specified 10-32 VDC input range. The circuit ensures minimal latency between command input and driver output, maintaining control accuracy for proportional valve or actuator positioning.
Frequently Asked Questions
Q: Can the 9907-135 be used with input voltages outside the 10-32 VDC range?
A: No. Operating the module outside the specified voltage range may result in internal component failure or erratic output behavior. Ensure the power source is regulated within the 10-32 VDC limits.
Q: Is the 4-20 mA input signal isolated from the module power ground?
A: The input is designed to receive standard 4-20 mA control signals. Standard practice requires ensuring the signal source and the driver module power supply share a common reference point if isolation is not explicitly defined in the site-specific control schematic.
Field Installation Guidelines
- Mounting: Secure the module using the provided mounting holes. Maintain adequate clearance around the 15.8 cm x 15.8 cm x 4.0 cm footprint to facilitate convective cooling.
- Wiring: Terminate field connections using the screw clamp terminals. Ensure wire gauges are appropriate for the 10-32 VDC power draw and 4-20 mA signal transmission.
- Shielding: Use shielded twisted-pair cables for the 4-20 mA demand signal input. Terminate shields at the control cabinet ground to prevent electromagnetic interference from skewing the command signal.
- Inspection: Verify terminal tightness after initial installation to prevent intermittent connections that could cause signal loss or erratic actuator positioning.
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
The Shift to Flexible IO Modules in Modern Industrial Automation
Traditional control systems rely on dedicated Input Output (IO) cards for industrial automation. Each conventional module processes a single signal type, such as Digital Input (DI), Digital Output (DO), Analog Input (AI), or Analog Output (AO). A standard 16-channel card accepts only one specific channel type across all ports. This inflexible hardware design often creates severe engineering bottlenecks during project execution. Engineers frequently must install entirely new cards to accommodate a single extra sensor. Consequently, late design changes increase control cabinet space requirements and drive up project costs.
DCS Commissioning Steps in Industrial Automation Projects
Commissioning a Distributed Control System (DCS) represents a crucial milestone when deploying modern process automation infrastructure. Field engineers must execute systematic verification steps to transition complex control hardware from static installation to dynamic plant control. Proper commissioning ensures that controllers, I/O modules, network switches, and HMI software operate in strict compliance with engineering design specifications before introducing live process fluids.
PLC and DCS Control System Spares Strategy: Engineering Guidelines
Modern factory automation relies on high-speed fiber optic backbones to link distributed control systems across noise-intensive industrial environments. Unlike copper wiring, optical fibers transmit data via light pulses, making them completely immune to electromagnetic interference (EMI). Field engineers must master optical cable joining and fusion splicing techniques to guarantee low-loss data transmission across critical Programmable Logic Controller (PLC) and Distributed Control System (DCS) nodes.