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Momentum Sales & Marketing 170 PNT Series manual Module Ownership Registers Parameters

Models: 170 PNT Series

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Communication Access Registers

Module

Ownership

Registers

Parameters

Note that this 60-second Write Privilege timer is separate from the Outputs Holdup timer, and applies only to the write privilege. Any node may read the input data or status information from the adapter. The 60-second time is a fixed value and is not accessible to the application.

The table below contains parameters for module ownership registers.

Parameters

Starting Reference	4F401 (hex)

Field Length	3 words

40	870 USE 103 00 May 2001

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Momentum Sales & Marketing 170 PNT Series manual Module Ownership Registers Parameters

Contents

PNT Series USE 103 00 May Table of Contents USE 103 00 May About the Book At a GlanceDocument Scope ModelsUSE 103 00 May Introduction PurposeWhat’s in this Chapter?Diagram Product OverviewOverview FunctionIntroduction Status Indicators IndicatorsActive Indicator Modbus PlusModbus Plus Channel Error Indicators Indicator Red StatusModule address Address SwitchesTwo Rotary Example of Node Address Assignment Address Switch UpperPorts Ports and CablingCabling Introduction Assembling a Communications Adapter and I/O Base Connections Between the Adapter and I/O Base PhysicalConnections ElectricalAssembling the I/O Base and the Adapter Overview Procedure Assembling an Base and an AdapterStep Step Overview What Goes on the Label? Example of a Label Labeling the Assembled ModuleDescription Disassembling an Adapter from an I/O Base Step Assembling Adapter and I/O Base Using Modbus Plus for Distributed Servicing Purpose What’s in this Chapter?Strategies for Distributed I/O Servicing Network Configuration ConfigurationLimit Types Devices onSingle Cable Modbus Plus Network LayoutsExample Example below illustrates a dual cable configuration Dual CableModbus Plus for DIO Servicing How Communication Adapters Handle Messages How Messages Are Defined in the Application How Messages are Transacted Communication Adapter Message Handling Communication Access Registers Access to Overview of Register TypesRegister Types FunctionsDiagram of Register Types Data Registers All other registers can be accessed using Mstr blocksOutput data to field outputs Configuration Registers Module TimeoutRegister ParametersModule Ownership Registers Parameters Status Registers Ascii header blockModule Status Block Function Operating parameters Module StatusAscii Header Block Function Ascii HeaderBlock 4FC01+Byte ASCIICharacters Offset MeaningADM 350 00 Discrete 16-Point Input, 16-Point Output Module Examples of an Ascii Header BlockAAO 120 00 Analog 4-Channel Output Module Communication Access Registers