Woodward 9905-970 LinkNet 6-Channel Input Module for Turbine Control Systems
Reliable Analog Input Acquisition for Turbines
The Woodward 9905-970 belongs to the LinkNet family within the 9900 series. Its primary function is to supply the control system with up to six analog input signals. These inputs monitor critical turbine parameters such as temperature, pressure, and flow rate. Consequently, the control system can optimize turbine performance while ensuring safe and efficient operation.
Key specifications include an input voltage of 24 Vdc and a maximum operating current at 12 V. Signal input impedance is 33K Ohms. Power supply transient protection handles up to 900 Vdc. The module measures 14in. x 11in. x 4in. Operating temperature ranges from -40°C to +85°C.
High Accuracy and Wide Input Range
This Woodward 9905-970 module provides highly accurate measurements. Accuracy is essential for maintaining turbine safety and performance. Additionally, it supports a wide range of input signals. These include voltages from 0-10V and currents from 0-20mA. Such flexibility allows connection to various sensor types.
The module features a 24-character LED display. This display shows status information and helps with troubleshooting. Furthermore, the unit is manufactured in the United States (USA).
Scalability and Easy Integration
The 9905-970 works seamlessly with other LinkNet components. Together, they create a scalable control system. You can customize this system to meet different turbine application needs. For instance, you can add more input modules for additional channels. Alternatively, you can integrate output modules for actuator control.
Its plug-and-play design makes installation straightforward. The user-friendly interface simplifies configuration. Therefore, setup time is significantly reduced compared to traditional I/O modules.
Installation and Environmental Considerations
Install the Woodward 9905-970 inside a protected control cabinet. Ensure adequate airflow around the module. Operating temperature must stay within -40°C to +85°C. Avoid condensing humidity and corrosive gases. Use shielded cables for analog inputs to minimize electrical noise. Tighten all terminal screws to the specified torque.
Packaging List
Woodward 9905-970 LinkNet module (1 pc)
Mounting brackets and screws (2 sets)
Terminal block connectors (pre-installed)
Quick installation guide
Configuration software CD
Note: No certificate or warranty document is included in the package.
Shipping Information
We ship all orders via FedEx, UPS, or DHL. Delivery takes 3–7 business days worldwide. Tracking number will be provided within 24 hours after dispatch.
Frequently Asked Questions (FAQ)
1. What type of signals can the Woodward 9905-970 accept?
The 9905-970 accepts analog input signals. These include 0-10V voltage signals and 0-20mA current signals. This covers most common turbine sensors for temperature, pressure, and flow.
2. Can this module operate in extreme cold environments?
Yes, the operating temperature range is -40°C to +85°C. Therefore, it works well in outdoor or unheated turbine enclosures.
3. How many input channels does the 9905-970 provide?
It provides six analog input channels. This allows simultaneous monitoring of multiple turbine parameters.
4. Is the Woodward 9905-970 compatible with other LinkNet components?
Yes, it is part of the LinkNet family. You can use it with other 9900 series modules to build a scalable turbine control system.
5. What does the LED display show on this module?
The 24-character LED display shows status information. It also assists with diagnostics and channel configuration during setup.
