Description
The 9905-970 is an industrial-grade analog input module manufactured by Woodward. Below is a detailed introduction to this product:
I. Product Overview
- Brand & Model: 9905-970, produced by Woodward.
- Product Type: Analog input module, used as a signal acquisition unit in industrial automation control systems.
- Application Areas: Widely applied in steam turbine and gas turbine control systems, as well as generator set control, industrial process automation, and control cabinet systems in the oil and gas sector.
II. Product Features
- High-Precision Signal Acquisition:
- Supports multi-channel analog input signal acquisition, compatible with commonly used voltage and current signals in industrial settings, such as 0–5V, 0–10V, and 4–20mA.
- Offers a resolution of 12 bits or higher, ensuring precise signal acquisition.
- Strong Anti-Interference Capability:
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WOODWARD 9905-970 LINKNET 6 CHANNEL 100 OHM RTD MODULE
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- Designed with consideration for electromagnetic interference in industrial environments, featuring excellent anti-interference performance.
- Supports signal isolation to enhance the overall anti-interference capability of the system.
- High Stability:
- Utilizes an industrial-grade design, capable of stable operation in harsh industrial environments.
- Operates within a wide temperature range, from -40°C to +70°C, suitable for various extreme temperature conditions.
- Easy Integration:
- Communicates with the main control module through a backplane interface, eliminating the need for separate power supply and simplifying system integration.
- Provides multi-channel input capability, supporting 8 or 16 signal channels (depending on the specific configuration) to meet different application requirements.
- Comprehensive Diagnostic Functions:
- Supports diagnostic functions such as signal open-circuit and short-circuit detection, facilitating prompt issue identification and resolution for users.
III. Technical Specifications
- Input Types: Supports standard current (e.g., 4–20mA) or voltage signals (e.g., 0–10V).
- Isolation Method: Isolation between channels and the main control circuit ensures reliable signal transmission.
- Operating Voltage: Powered from the main control system, eliminating the need for an additional power supply.
- Installation Method: Plug-in module installed in a rack for easy maintenance and replacement.
IV. Application Scenarios
- Steam Turbine Control Systems:
- Used for acquiring analog signals such as temperature, pressure, and rotational speed of steam turbines to achieve precise control.
- Gas Turbine Control Systems:
- Acquires operating parameters of gas turbines to ensure stable system operation.
- Generator Set Control:
- Used for acquiring and monitoring voltage and current signals of generator sets to ensure the stability of power supply.
- Industrial Process Automation:
- In industrial processes such as chemicals and pharmaceuticals, acquires analog signals such as temperature, pressure, and flow rate to achieve automated control.
- Oil and Gas Sector:
- Used for signal acquisition and monitoring in oil and gas extraction and transportation processes to ensure production safety.
