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Woodward 9905-971 LinkNet 16-Channel Discrete Input Module
Woodward 9905-971 LinkNet 16-Channel Discrete Input Module
Woodward 9905-971 LinkNet 16-Channel Discrete Input Module

Woodward 9905-971 LinkNet 16-Channel Discrete Input Module

WOODWARD LINKNET · DISCRETE INPUT MODULE

9905-971

The 9905-971 is a Woodward first-generation LON LinkNet discrete input module with 16 channels for 24 VDC field signals. It collects binary input states for a compatible Woodward control system.

PRODUCT TYPELON LINKNET DISCRETE INPUT MODULE
INPUT CHANNELS16 discrete inputs
INPUT LEVEL24 VDC
NETWORKLON LinkNet
MANUFACTURERWoodward
CONDITION / WARRANTYOriginal New · One-Year Warranty
ISO CERTIFICATIONISO-Certified Product
VERIFICATION● Product photos and videos provided after inquiry
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Woodward ● LON LINKNET DISCRETE INPUT MODULE
WOODWARD LINKNET 16-CHANNEL DISCRETE INPUT MODULE

9905-971

16 DISCRETE INPUT CHANNELS

24 VDC FIELD INPUTS · LON LINKNET

MODEL ROLE
9905-971 is a first-generation Woodward LON LinkNet discrete input module. It brings 16 channels of 24 VDC field input states into a compatible LinkNet control configuration.
TECHNICAL CONTEXT
The 9905-971 is identified in Woodward documentation as a 16-channel, 24 VDC LinkNet discrete input module. Its original LinkNet generation uses LON rather than the CANopen architecture of newer LINKnet HT hardware.
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OFFICIAL-REFERENCE CHARACTERISTICS

Technical Specifications

Woodward 9905-971 ↗
9905-971 LON LINKNET DISCRETE INPUT MODULE

Engineering data at a glance

Click “+” to expand more specifications.

INPUT CHANNELS16
FIELD INPUT LEVEL24 VDC
I/O NETWORKLON LinkNet
MODULE FUNCTIONDiscrete input
Woodward product notices identify the 16-channel, 24 VDC LinkNet module.
Module function 9905-971 collects 16 discrete 24 VDC input states for a compatible LON LinkNet control configuration.
GENERAL INFORMATION −
BrandWoodward
Part number9905-971
Product typeLinkNet discrete input module
Input channels16
Field input level24 VDC
Signal classDiscrete input
I/O networkLON LinkNet
Network generationFirst-generation LON-based LinkNet
Documented host exampleWoodward 723PLUS
Address in cited 723PLUS table7
Node allocation in cited 723PLUS table1
System functionRemote binary-state acquisition
DISCRETE INPUT DATA ＋
Module roleLinkNet discrete input node
Discrete input channels16
Field input level24 VDC
Field signal typeBinary / discrete
Control-system dataField input states
LINKNET SYSTEM CONTEXT ＋
Network familyWoodward LinkNet
Network architectureLON-based
Documented hostWoodward 723PLUS Performance Control
Network address example7 in cited 723PLUS configuration
Node use example1 node in cited 723PLUS configuration
Source: Woodward Product Change Notifications 06988 and 06923 identify 9905-971 as a first-generation LON LinkNet 16-channel, 24 VDC discrete input module. Woodward 723PLUS manuals 02882 and 26043 document one host configuration.
FAQ

Questions Buyers Ask Most

What function does 9905-971 perform in a LinkNet system?＋

9905-971 is a first-generation Woodward LinkNet discrete input module. It acquires 16 binary field input states at 24 VDC for a compatible LON-based LinkNet control system.

Which network and host configuration applies to 9905-971?＋

9905-971 belongs to the LON-based LinkNet generation. Woodward documents it in one 723PLUS Performance Control configuration as a one-node, 16-channel input module at network address 7; that address is specific to the cited configuration, not a universal setting.

What input signals and channel count does 9905-971 support?＋

9905-971 is identified by Woodward as a 16-channel discrete input module for 24 VDC field signals. Confirm the installed wiring and host I/O mapping against the applicable Woodward system manual.

Can 9905-971 be replaced directly by LINKnet HT hardware?＋

9905-971 cannot be assumed to be a plug-in replacement for a CANopen LINKnet HT module. Woodward states that migration from first-generation LON LinkNet to LINKnet HT requires hardware and software changes.

What should be checked when installing or ordering 9905-971?＋

Before fitting or ordering 9905-971, confirm the complete part number, LON LinkNet network generation, 24 VDC discrete inputs, channel mapping and host configuration. Woodward identifies this first-generation line as discontinued, so verify the available unit and replacement plan rather than assuming current production.

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DATA SHEET

Product Information for
9905-971

Official manufacturer-documentation status for Woodward 9905-971.

Official manufacturer documentation

Woodward Product Change Notification 06988 lists 9905-971 as a first-generation LON LinkNet 16-channel discrete input module for 24 VDC signals. Woodward notice 06923 explains that moving to CANopen LINKnet HT requires hardware and software changes.

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Technical statements on this product page are based on Woodward Product Change Notifications 06988 and 06923 and the documented 723PLUS LinkNet configuration in manuals 02882 and 26043. The linked notice is not a dedicated 9905-971 datasheet.

WOODWARD LON LINKNET DISCRETE INPUT RELATIONSHIP

How 9905-971 Fits into a LON LinkNet System

Woodward is the manufacturer brand; LON LinkNet is the first-generation I/O network; and 9905-971 is the 16-channel, 24 VDC discrete input module.

Woodward · BRAND
LON LinkNetDistributed I/O network
SYSTEM ROLE

16-channel discrete input module

Acquires 24 VDC binary field signals for a compatible Woodward LON LinkNet control system.

HARDWARE PROFILE

16 channels · 24 VDC · LON LinkNet

Woodward identifies this part as a first-generation LinkNet discrete input module on a LON-based network.

ORDER DATA

9905-971 · 16 DI · 24 VDC

Use the complete 9905-971 part number to distinguish this LON LinkNet input module from newer CANopen LINKnet HT hardware.

System relationship: 9905-971 belongs to the original LON LinkNet generation; Woodward documents it as 16 discrete inputs at 24 VDC.
APPLICATION AREAS

Application map for 9905-971

Woodward 723PLUS LinkNet I/OIn Woodward’s documented 723PLUS configuration, the module supplies discrete field input data over LON LinkNet.
Field Status AcquisitionSixteen 24 VDC input channels collect binary states from connected field circuits.
APPLICATION CENTER 9905-971 9905-971 · 16 DI · 24 VDC
Distributed Discrete I/OLinkNet remote input node for compatible Woodward control applications.
Control-State MonitoringReports on/off states from 24 VDC field inputs to the host configuration.
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05ASSURANCE
One-Year WarrantyOne-year warranty from delivery for products supplied by Moore Automation.
Warranty Claim Information＋
What to provide: If a product-related issue occurs within the warranty period, contact our team and submit one clear, continuous video for review.
✓Complete product and nameplate
✓Power supply and wiring connections
✓Installation and operating conditions
✓Indicator lights, alarms or error messages
✓Clear description of the fault
✓Continuous video showing the issue
Review outcome: If the evidence confirms a covered product fault, Moore Automation will arrange the appropriate warranty solution.
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HEISSE TAGS : 9905-971 WOODWARD 9905-971 9905-971 LinkNet Discrete Input Module 9905-971 16 Channel 24 VDC Input Woodward LON LinkNet 9905-971 9905-971 Replacement Inquiry
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Thema : Woodward 9905-971 LinkNet 16-Channel Discrete Input Module
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