Rockwell Automation 1771-QRD PULS FLOWMTR - Manual (Page 5)

Chapter 1
1–1
Before You Begin
This manual shows you how to apply the 1771–QRD Pulse Flowmeter
Module to an Allen-Bradley PLC system. It describes methods for
installation, programming, and troubleshooting the module. It also
provides examples of how to use the module.
You must be able to program and operate an Allen-Bradley programmable
controller to make efficient use of this module. In particular, you must
know how to program Block Transfer instructions. If you do not, refer to
the appropriate programming and operations manual for the processor you
are using.
We refer to the:
Pulse Flowmeter Module (Catalog No. 1771–QRD) as “the module”, or
“the QRD”.
Programmable Controller as “the processor”.
This manual is divided into 6 chapters. The following table provides a brief
overview of the topics covered in each chapter.
Chapter Title Topics Covered
2 Introduction Description of module including
programmable features
3 Installation Module power requirements, keying chassis
location, field wiring
4 Programming Reading data from the module
Sample programs for various processors
5 More on Overrange and Overflow Error codes
Block transfer write rung for resetting
totalizers and/or overflow flags
6 Troubleshooting Symptom/solution guide
Appendix A Data Formats Data formats fore Blcok Transfer Write and
Block Transfer Read
Appendix B Specifications
Manual's Purpose
Audience
Vocabulary
Overview of the Manual