Rockwell Automation 1771-DA,D17716.5.13 U MNL 1771-DA ASCII I/O MODULE User Manual

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To Our Customers

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Overview of This Manual

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Intended Audience

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Notational Conventions

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Some Tips on Using This Manual

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Typical Applications

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Getting Started With Your ASCII Module

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PLCĆ2 Family Processors

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What You Need to Get Started

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Reading Data from Your ASCII Device

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Writing Data to Your ASCII Device

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PLCĆ3 Processors

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What You Need To Get Started

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Reading Data from Your ASCII Device

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Writing Data to Your ASCII Device

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Choosing Module Features

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Chapter Objectives

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Choosing the Mode of Communication

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Choosing the Mode of Module Operation, IW1(02Ć04)

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Using BCD Delimiters (Report Generation Mode, Only), IW4(10Ć16)

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Justifying Margins, IW3(03)

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Using the EndĆofĆString Delimiter, IW3(10Ć16)

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Setting String Length, IW2(00Ć13)

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Determining Block Transfer Length

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Removing the Fill Character (Data Mode, Only), IW4(10Ć16)

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Removing Header and Trailing Characters, IW4(00Ć03, 04Ć07)

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Choosing I/O Buffer Size, IW3(00Ć02)

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Choosing Transmission Mode, IW1(05Ć07)

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Choosing Single or Multiple Transfers, IW2(17)

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Selecting Delay for Carriage Return, IW3(06Ć07)

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Setting Remaining Bits in IW1(10Ć17)

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Selecting the Number of Initialization Words, IW1(00Ć01)

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Recording Bit Settings in Initialization Words

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