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Technical specifications for 9905-969
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Manufacturer:WOODWARD
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Product Category:General Automation
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Spare Part Number:9905-969
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Estimated shipping dimensions:22x11.5x7cm
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Weight:0.54 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Input Voltage:+24 VDC at 1 A
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Network to I/O channel:277 V (AC)
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Accuracy:1% at 25°C
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Humidity Standards:20 and 55°C at 95% for 48 hours
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Power supply input to I/O channel:500 V
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Temperature Range:–40 to +55°C
Information
Overview
Manuals
Common Applications
Product Precautions
The 9905-969 is distributed input acquisition hardware manufactured by Woodward and belongs to the LinkNet module series. This hardware functions as an analog input module specifically to receive and collect standard 4 to 20 mA direct current signals from field transmitters. It interfaces with the main control system to transmit physical transmitter signals to the central controller for digital control logic processing.
- Built-in 24 Vdc Loop Power Supply
- LONWORKS Hardware Rotary Addressing
- High-Voltage Physical Electrical Isolation Architecture
The Woodward 9905-969 LinkNet Analog Input Module may still be available for purchase and support from Apter Power Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
WOODWARD 9905-969 LinkNet 6 Channel Analog Input Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Thermal Power Generation
Collecting high-pressure/high-temperature pressure transmitter signals on main steam turbine pipelines to ensure precise steam flow control.
Petroleum Refining
Monitoring the lubricating oil supply pressure and auxiliary system temperature transmitter signals of core recycle hydrogen compressor trains in hydrocracking units.
Petrochemical
Transmitting temperature and pressure signals from interstage coolers of the core cracked gas compressor train to the main control system in ethylene plants.
Coal Chemical Industry
Collecting differential pressure transmitter data from the suction end filters of main air compressors and boosters in large air separation units.
Nuclear Power Generation
Used to collect analog process signals from turbine auxiliary feedwater systems and condensate pump control loops in conventional island distributed control systems.
Hydropower Generation
Collecting control oil pressure of hydraulic oil stations and 4–20 mA feedback signals from servomotor stroke transmitters in large hydro-turbine governing systems.
Power off before operating 9905-969 and hot-swapping is strictly prohibited. With built-in 24 Vdc loop power, clearly separate wiring for two-wire and four-wire transmitters to prevent active signal back-feeding from burning channels. Install terminal resistors on LON cables to prevent signal reflection, and precisely set the network node address via hardware switches during replacement.
Alternative Names
9905 969
99O5-969
Technical notes
The 9905-969 hardware utilizes the LON network protocol to achieve high anti-interference field transmitter signal acquisition, supporting 4–20 mA inputs and integrating a 24 Vdc loop power capability.
FAQ View All FAQ
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What is 9905-969?It is a LinkNet distributed 6-channel analog input module manufactured by Woodward.
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What is the main function of 9905-969?To collect 4-20 mA analog signals from the field and transmit them to the main controller.
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Which control system family does 9905-969 belong to?It belongs to Woodward's MicroNet, NetCon, or legacy LinkNet distributed I/O systems.
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How many input channels does 9905-969 have?It has 6 independent analog input channels.
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Do you offer global delivery services?Yes. We ship globally, and we are able to quickly deliver parts globally to any corner of the world. Unless otherwise specified, we will ship your order via (DHL). We can also ship through FedEx, UPS, and TNT. We can also use your account.
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How many parts do you have in stock?We have an extensive stock base consisting of ten thousands of new and discontinued automation parts including those from leading manufacturers such as: Control Systems(DCS, PLC, CNC), Panel Controllers, HMI and Display Panels, Drives, Encoders and Resolvers, Power Supplies.
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