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Allen-Bradley MicroLogix 1200 Reference Manual

Allen-Bradley MicroLogix 1200
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i Publication 1762-RM001C-EN-P
Table of Contents
Preface Who Should Use this Manual . . . . . . . . . . . . . . . . . . . . . . . . P-1
Purpose of this Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-1
Common Techniques Used in this Manual. . . . . . . . . . . . . . . P-2
Rockwell Automation Support . . . . . . . . . . . . . . . . . . . . . . . P-3
Chapter 1
I/O Configuration Embedded I/O. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
MicroLogix 1200 Expansion I/O . . . . . . . . . . . . . . . . . . . . . . 1-3
MicroLogix 1200 Expansion I/O Memory Mapping. . . . . . . . . 1-4
MicroLogix 1500 Compact Expansion I/O. . . . . . . . . . . . . . 1-7
MicroLogix 1500 Compact Expansion I/O Memory Mapping 1-9
I/O Addressing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
I/O Forcing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Input Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Latching Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
Configuring Expansion I/O Using RSLogix 500 . . . . . . . . . . 1-18
Chapter 2
Controller Memory and File
Types
Controller Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Data Files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Protecting Data Files During Download. . . . . . . . . . . . . . . . . 2-6
Static File Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Password Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Clearing the Controller Memory . . . . . . . . . . . . . . . . . . . . . 2-10
Allow Future Access Setting (OEM Lock). . . . . . . . . . . . . . . 2-10
Chapter 3
Function Files Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Real-Time Clock Function File . . . . . . . . . . . . . . . . . . . . . . . 3-3
Trim Pot Information Function File . . . . . . . . . . . . . . . . . . . . 3-5
Memory Module Information Function File . . . . . . . . . . . . . . 3-6
DAT Function File (MicroLogix 1500 only) . . . . . . . . . . . . . . 3-9
Base Hardware Information Function File . . . . . . . . . . . . . . 3-12
Communications Status File . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Input/Output Status File . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Chapter 4
Programming Instructions
Overview
Instruction Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Using the Instruction Descriptions. . . . . . . . . . . . . . . . . . . . . 4-2

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Allen-Bradley MicroLogix 1200 Specifications

General IconGeneral
BrandAllen-Bradley
ModelMicroLogix 1200
CategoryControl Unit
LanguageEnglish

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