Symbols And Conventions; Symbols; Document Conventions - ABB RELION REX640 Operation Manual

1MRS759118 D
1.4

Symbols and conventions

1.4.1

Symbols

Although warning hazards are related to personal injury, it is necessary to
understand that under certain operational conditions, operation of damaged
equipment may result in degraded process performance leading to personal injury
or death. Therefore, comply fully with all warning and caution notices.
1.4.2

Document conventions

A particular convention may not be used in this manual.
• Abbreviations and acronyms are spelled out in the glossary. The glossary also
contains definitions of important terms.
• Menu paths are presented in bold.
Select Main menu > Settings.
• WHMI menu names are presented in bold.
Click Information in the WHMI menu structure.
• Parameter names are shown in italics.
The function can be enabled and disabled with the
• Parameter values are indicated with quotation marks.
The corresponding parameter values are "On" and "Off".
• Input/output messages and monitored data names are shown in Courier font.
When the function starts, the START output is set to TRUE.
• Values of quantities are expressed with a number and an SI unit. The
corresponding imperial units may be given in parentheses.
• This document assumes that the parameter setting visibility is "Advanced".
REX640
Operation Manual
The electrical warning icon indicates the presence of a hazard which
could result in electrical shock.
The warning icon indicates the presence of a hazard which could result in
personal injury.
The caution icon indicates important information or warning related to
the concept discussed in the text. It might indicate the presence of
a hazard which could result in corruption of software or damage to
equipment or property.
The information icon alerts the reader of important facts and conditions.
The tip icon indicates advice on, for example, how to design your project
or how to use a certain function.
Introduction
Operation setting
13