9905-967 Woodward turbine controller

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Product basic information
Manufacturer: Woodward
Model: 9905-967
Belonging to the famous 505 series
Supports multiple communication protocols and can be smoothly integrated with the existing control system of the factory
Core application: Designed specifically for speed control and protection of steam turbines
9905-967 controller has stable performance and high reliability

Categories: WOODWARD
Tags: - Actuator 9905-967 controller debugger module Motor touch screen WOODWARD

9905-967 Woodward turbine controller

The 9905-967 is a microprocessor-based digital governor controller produced by Woodward, belonging to its classic 505 series.
It is primarily designed for speed control and protection of steam turbines. Below is a detailed introduction to this product:

I. Product Overview

Brand and Model: Woodward 9905-967
Series: 505 Series Digital Governor
Type: Microprocessor-based controller
Purpose: Specifically designed for steam turbines to control their speed and provide overspeed protection.

II. Core Functions

Speed Control:
- 9905-967 Precisely controls the speed of steam turbines by adjusting steam inlet flow.
- Supports single-range or split-range actuators to accommodate turbines of different sizes.
Overspeed Protection:
- Incorporates triple independent overspeed protection logic to ensure rapid shutdown in case of overspeed, preventing equipment damage.
- Provides an overspeed test button for convenient on-site testing of protection functions.
Emergency Shutdown:
- Equipped with an emergency stop button for immediate shutdown in emergency situations.
System Protection:
- - Automatically switches control modes upon sensor failure to ensure uninterrupted system operation.
  - Offers local/remote control priority selection to adapt to different operational scenarios.

4、 Installation and Update of Drivers

1. Installing Drivers: Typically, the operating system automatically recognizes hardware devices and installs the corresponding drivers. But in some cases,

users may need to manually install the driver. At this point, users can visit the official website of the hardware device manufacturer to download and install the latest drivers.

2. Updating Drivers: In order to ensure the performance and compatibility of hardware devices, hardware device manufacturers will regularly release driver updates.

Users can check and update drivers through the device manager of the operating system or the official website of the hardware device manufacturer.

5、 Fault diagnosis and troubleshooting of drives

1. Common symptoms of drive failure: device failure to recognize, device performance degradation, device malfunction, etc.

2. Fault diagnosis method:

a. Check device connection: Ensure that the hardware device is properly connected to the computer.

b. Check drive version: Confirm if the drive is the latest version, if not, try updating the drive.

c. Check operating system compatibility: Ensure that the drive is compatible with the operating system.

d. Check hardware devices: If possible, try connecting hardware devices to another computer to eliminate the possibility of hardware device failure.

3. Troubleshooting methods:

a. Reinstall drive: Try uninstalling and reinstalling the drive.

b. Roll back the drive: If there are problems after updating the drive, you can try rolling back to the previous version of the drive.

c. Check hardware devices: If you suspect a problem with the hardware device, you can try replacing it or contact the hardware device manufacturer for technical support.

d. System restore: If the malfunction is related to the operating system, you can try using the system restore function to restore to the previous state

III. Technical Specifications

Power Supply: 18-32 VDC, supporting 24VDC input.
Display: Two-line x 24-character LED display for clear indication of operating status and parameters.
Enclosure: NEMA 4X or IEC 60529 IP56 rated for protection against harsh industrial environments.
Inputs/Outputs:
- Inputs: 6 programmable current inputs, 16 discrete contact inputs.
- Outputs: 2 actuator outputs, 8 relay outputs, 6 programmable current outputs.
Communication Interfaces: 9905-967 Supports RS-232, RS-422, and RS-485 hardware interfaces for easy integration with host computers or other devices.
Software: Equipped with OpView™ and 505View software for parameter configuration, monitoring, and fault diagnosis.
Operating Temperature: -20 to +60°C (some models support -4 to +140°F).
Storage Temperature: -40 to +85°C (some models support -40 to +185°F).
9905-967 Weight: Approximately 9.11 pounds (4.13 kilograms).

IV. Application Scenarios

Steam Turbine Control: 9905-967Suitable for steam turbines of various sizes, including industrial steam turbines, small grid turbo-generators, and turboexpanders.
Single Extraction and Admission Applications: Designed for operating steam turbines in single extraction and/or admission applications.
On-Site Programming: Allows on-site operators to program and adjust parameters through an integrated operator control panel, adapting to different operating conditions.

V. Product Advantages

High Reliability:
- Microprocessor-based design ensures precise control and stability.
- Triple independent overspeed protection logic provides multiple layers of safety.
Flexibility:
- Supports various actuator and sensor configurations to accommodate different turbine models.
- Offers a rich set of input/output interfaces for easy system expansion and integration.
Ease of Use:
- Two-line x 24-character LED display provides an intuitive operating interface.
- A 30-key multifunctional keyboard simplifies parameter configuration and operation.
Compatibility:
- Supports multiple communication protocols for easy integration with DCS, PLC, and other systems.
- Provides OpView™ and 505View software for remote monitoring and fault diagnosis.