User guide

A–B
P
Preface
P–1
Preface
Read this preface to familiarize yourself with the rest of the manual. This
preface covers the following topics:
• who should use this manual
• the purpose of this manual
• conventions used in this manual
• Allen–Bradley support
Use this manual if you are responsible for designing, installing,
programming, or troubleshooting control systems that use Allen–Bradley
small logic controllers.
You should have a basic understanding of SLC 500 products. If you do not,
contact your local Allen–Bradley representative for information on available
training courses before using this product.
We recommend that you review The Getting Started Guide for HHT, catalog
number 1747–NM009 before using the Hand–Held Terminal (HHT).
This manual is a reference guide for technical personnel who use the
Hand–Held Terminal (HHT) to develop control applications. It describes
those procedures in which you may use an HHT to program an SLC 500
controller.
This manual:
• explains memory organization and instruction addressing
• covers status file functions and individual instructions
• gives you an overview of ladder programming
• explains the procedures you need to effectively use the HHT
Who Should Use this Manual
Purpose of this Manual