Watlow Optimizing Your Process System with the Series 988 Controller - Manual (Page 3)

Introduction
Welcome to the Watlow Series 988 application guide: Optimizing Your Process
System with the WATLOW Series 988. This application guide describes all the
features of the Series 988 and how they can be applied to your system. In
addition, this guide will walk you through the process of determining the op-
timal Series 988 for your application. Once you have purchased the control-
ler, the Series 988 Users Manual will guide you through installation and setup
of the controller.
Start with Chapter One of this book, where “test drives” show the thought
process used for determining the correct Series 988 feature set for a specific
application. Chapter Two consists of a glossary and a question-and-answer
section that provides more details to help choose the right control. Chapters
Three through Five describe the features of the controller with a sample appli-
cation for each feature. Chapter Six outlines the controllers’ specifications.
Use this chapter to ensure that the controller interfaces correctly with other
system components. Finally, Chapter Seven walks you through the feature
set selection for your specific application. Once you have used the guide a few
times, you will be able to skip to Chapter Seven and use the previous chapters
for reference.
The purpose of this technical guide is to assist you in the system design pro-
cess. The final responsibility for the system design must remain with the sys-
tem design engineer.
Watlow manufactures heaters, sensors and controls. We can provide a com-
plete thermal system. For more information concerning the Series 988, con-
tact your local sales representative listed on the back cover. Literature on the
Series 988 includes:
• Series 988/989 Users Manual
• Calibrating Watlow Process Controls
• How to Use Data Communications with the Watlow Series 988/989
or How to Use Data Communications with the Watlow Process Controls
Disclaimer of Warranty
The information presented here is of a general nature. Because of the diver-
sity of conditions and hazards under which control products may be applied
and because of the differences in components and methods of installation, no
representation or warranty of any kind, express or implied, is hereby made,
that the applications discussed herein will be effective in any particular appli-
cation or set of circumstances, or that additional or different precautions will
not be reasonably necessary for a particular application.
We will be pleased to consult with you regarding a specific application, upon
request.