User Manual

Preface
Publication 1771-6.5.88 – May 1997
Preface
Read this preface to familiarize yourself with the manual.
This preface covers the following topics:
• who should use this manual
• the purpose of this manual
• abbreviations, symbols and terms
• Allen-Bradley support
Use this manual if you are responsible for designing, installing,
programming, or troubleshooting injection molding control systems
that use Allen-Bradley programmable logic controllers.
You should have a basic understanding of Allen-Bradley PLC-5

processors and be able to interpret the ladder logic instructions
required to control your application.
This manual provides reference information for the 1771-QDC
Plastic Molding Module. It provides lists of words, bits, addresses,
and error codes needed for all applications. It also describes
procedures you use to calibrate the module.
Contents of this Manual
Chapter Title Contents
1
Abbreviated Command
and Status Blocks
A summary list of command and status block words with
Pro-Set addresses used by the QDC module.
2
Word/Bit Descriptions
for Command Blocks
A detailed list of command block words with word/bit
descriptions.
3
Word/Bit Descriptions
for Status Blocks
A detailed list of status block words with word/bit
descriptions.
4
Programming
Error Codes
A list of all possible error codes that could be presented
when you enter invalid data in command blocks.
5
Specifications Provides physical, electrical, environmental, and
functional specifications for the QDC module.
6 Calibration Instructions Provides procedures for calibrating the QDC module.
Who Should Use
this Manual
Purpose of this Manual