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ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
This manual is organized in menu form to make it easier for you to find in-
formation. This means the following:
At the front of the manual is an overview page that lists the title of each
chapter. Following this page you will find a table of contents.
The individual chapters are marked with printed tabs.
At the beginning of each chapter is a table of contents for that chapter.
Each chapter has three level headings that are numbered.
Pages, figures, and tables are numbered separately for each chapter.
Following the table of contents you will find a list of the figures and
tables.
This manual employs specific structuring devices which will be explained to
you in the following.
Important information is marked specifically:
!
Warning
You will find the definitions for the terms “Danger”, “Warning” and “Cau-
tion” in the “Safety–Related Guidelines” on the page following the front
page.
Footnotes are marked with a raised number (e.g.
1
) or a raised asterisk
(*)
.
You will find the corresponding explanations in the lower margin of the
page.
Enumerations are marked with a black point (
) (as, for example, in this
list) or with a dash (–).
Instructions are numbered (e.g. “1”).
Cross–references are indicated in the following way: “(see Section
7.3.2)” refers to Section 7.3.2.
Dimensions in drawings are indicated in “mm”.
Value ranges are indicated as follows: 17 to 21
You will find correction sheets at the end of the manual. Use them to indicate
any corrections or suggestions for improvement you might have. Send these
suggestions to us. They will help us to improve the next edition of the system
manual.
Conventions
Preface