ABB REL670 2.2 IEC, Applications Manual

Page: 37 / 908

The caution hot surface icon indicates important information or
warning about the temperature of product surfaces.
Class 1 Laser product. Take adequate measures to protect the eyes
and do not view directly with optical instruments.
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.
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. It is important that the user fully complies with all warning and
cautionary notices.
1.4.2 Document conventions
GUID-96DFAB1A-98FE-4B26-8E90-F7CEB14B1AB6 v8
• Abbreviations and acronyms in this manual are spelled out in the glossary. The
glossary also contains definitions of important terms.
• Push button navigation in the LHMI menu structure is presented by using the
push button icons.
For example, to navigate between the options, use
and .
• HMI menu paths are presented in bold.
For example, select
Main menu/Settings .
• LHMI messages are shown in Courier font.
For example, to save the changes in non-volatile memory, select
Yes
and
press .
• Parameter names are shown in italics.
For example, the function can be enabled and disabled with the
Operation
setting.
• Each function block symbol shows the available input/output signal.
1MRK 506 369-UEN B
Section 1
Introduction
Line distance protection REL670 2.2 IEC 31
Application manual