This document applies to any of the Modbus drivers for any release of NiagaraAX. Any features that require a certain release level of NiagaraAX are noted, if necessary.
The audience is considered to be knowledgeable in Modbus technology and is NiagaraAX Certified.
The following main sections are included:
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This preface.
Includes Modbus terms and a Document change log.
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Explains NiagaraAX license requirements and the software modules that need to be installed.
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Provides several quick procedures for station configuration to add various Modbus client or slave networks, add child Modbus devices and proxy points, and also other Modbus components.
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Provides general explanations of basic Modbus concepts. Included is basic information on registers, addressing, data types, function codes, device differences, and Modbus messaging.
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NiagaraAX Modbus Representation
Provides details on NiagaraAX components and views used to model Modbus devices and networks, including the different client types and server types. Included are details on Modbus proxy points.
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Provides brief summaries of the different Modbus manager views, each with links back to the more detailed concepts section. Entries are used in NiagaraAX context-sensitive help “On View”.
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Provides brief summaries of the different Modbus components, most with links back to the more detailed concepts section. Entries are used in NiagaraAX context-sensitive help “Guide On Target”.