Rockwell Automation 1771-DA,D17716.5.13 U MNL 1771-DA ASCII I/O MODULE - Manual (Page 5)

Preface
1
To Our Customers
This manual tells you in a tutorial manner how to install and use your
ASCII module.
In Chapter Entitled We Will Show You How To
1 Getting Started with
Your ASCII Module
Read data from your ASCII module and write data to it
using an industrial terminal
2 Choosing Module
Features
Choose module features so you can match your ASCII
module with your ASCII device
3 ASCII Module Tutorial Select and demonstrate module features, and format
messages
4 Handshaking Program the handshaking logic that controls
communication between your ASCII module and your PC
processor
5 Functions of Control
and Status Bits
Select desired features and read module status by
describing the function of bits in command and status
words
6 Troubleshooting Your ASCII
Module
Interpret status indicators and status codes, and use a
simple program to test your ASCII module.
Ć Appendix Program block transfer communication and estimate the
time required for read/write handshaking. We have
included numerous example programs
Ć Index Locate concepts and definitions in the text
We assume that you are familiar with operating and programming your
Allen-Bradley controller. Because of the functions that your module
performs, your programming skills should include file manipulation and
message formatting. Refer to the Programming and Operations Manual
for your PLC-2 family controller or to the Programming Manual for your
PLC-3 controller.
Some chapters in this manual contain examples of how you enter data or
commands. When you read these chapters, remember the following
notational conventions:
Overview of This Manual
Intended Audience
Notational Conventions