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Woodward 9905-969 LinkNet 6-Channel Analog Input Module

The 9905-969 (Model: 9905-969) is a specialized distributed I/O module within Woodward’s LinkNet architecture. It is primarily engineered for industrial control systems like MicroNet and Atlas, where high-density, remote signal acquisition is required. Unlike digital speed controllers, the 9905-969 (Part Number: 9905-969) functions as a high-precision interface for six independent analog input channels, facilitating the monitoring of critical process variables such as pressure, temperature, and position via standard current loops.

This module is a "Smart" I/O solution that features integrated 24 V DC loop power. This internal power source allows the 9905-969 (Model: 9905-969) to energize two-wire field transmitters directly, significantly reducing the complexity of cabinet wiring and the need for external power distribution blocks. Communicating via a high-speed serial LinkNet bus, it provides the main control CPU with deterministic data updates and comprehensive loop diagnostics, ensuring that turbine and engine control logic operates on reliable, real-time information.

Detailed Technical Specifications

The 9905-969 (Model: 9905-969) provides optimized signal conditioning for demanding industrial environments.

Feature Details
Manufacturer Woodward
Model Number 9905-969
Series LinkNet Distributed I/O
Product Type Analog Input Module
Input Channels 6 Independent Channels
Signal Range 4–20 mA DC
Loop Power 24 V DC (Integrated for field sensors)
Power Consumption 3.1 W (Maximum)
Communication Bus Proprietary LinkNet Serial Interface
Operating Temperature –40°C to +70°C
Isolation Channel-to-Bus Galvanic Isolation
Dimensions 12.7 cm $\times$ 2.5 cm $\times$ 20.3 cm
Weight 0.59 kg (1.21 lbs)
Origin USA

 

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