Woodward 9905-973 | LinkNet 8-Channel Relay Module 100% New

Overview

The Woodward 9905-973 is an 8-channel relay output module used in turbine control and industrial automation systems. It enables controllers to drive external loads such as alarms, shutdown relays, and signaling devices through electrically isolated relay outputs.

General Information

Part Number: 9905-973

Manufacturer: Woodward

Brand / Country of Origin: Woodward / USA

Series: LinkNet Relay Modules

Type: 8-Channel Relay Output Module

Mounting: Rack or panel installation compatible with LinkNet bus system

Technology: Electrically isolated relay outputs with bus communication interface

Power Specifications

Input Supply Voltage: 18–32 V DC (nominal 24 V DC)

Module Power Consumption: ~14 W under typical load

Output Relay Rating: Each channel supports 24 V DC output, up to 16 A

Bus / Network Support: LinkNet bus for multi-module communication

Communication & Interface

Bus Interface: LinkNet proprietary bus

Function: Receives digital command signals via bus and converts them into relay switching outputs

Diagnostics: Channel status monitoring and fault detection through module indicators

Operator Interface: LED indicators for each relay channel

I/O & Channels

Relay Channels: 8 independent channels

External Load Support: Drives alarms, shutdown relays, and other discrete field devices

Environmental

Operating Temperature: –40 to +85 °C

Humidity: Up to 95% RH, non-condensing

Protection Rating: NEMA 4X with proper enclosure

Dimensions & Weight

Dimensions (L × W × H): 160 × 110 × 65 mm

Weight: ~1.0 kg

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