ABB RER620

Section 1 1MAC309294-MB F
Introduction
20 RER620
Technical Manual
Although warning hazards are related to personal injury, it should be understood that
operation of damaged equipment could, under certain operational conditions, result in
degraded process performance leading to personal injury or death. Therefore, comply fully
with all warning and caution notices.
1.4.2 Manual conventions
Conventions used in relay manuals. A particular convention may not be used in this
manual.
• 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.
• Parameter values are indicated with quotation marks, for example:
The corresponding parameter values are “Enabled” and “Disabled”.
• Relay input/output messages and monitored data names are shown in Courier font, for
example:
When the function picks up, the PICKUP output is set to TRUE.
• Dimensions are provided both in inches and mm. If it is not specifically mentioned
then the dimension is in mm.
• Analog inputs to protection functions are shown in the technical manual for clarity
however these inputs and connections do not appear in the application logic. The
connection of these analog signals is fixed internally to the corresponding function
blocks and cannot be altered by users.
The information icon alerts the reader to important facts and conditions.
The tip icon indicates advice on, for example, how to design your project
or how to use a certain function.