Document Conventions; Functions, Codes And Symbols - ABB RELION REX640 Technical Manual

Section 1
Introduction
1.4.2
1.4.3
50
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.

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.
• Parameter names are shown in italics.
The function can be enabled and disabled with the Operation setting.
• 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.
• This document assumes that the parameter setting visibility is "Advanced".
•
Protective earthing is indicated in figures with the symbol

Functions, codes and symbols

Table 1: Functions included in the relay
Function
Protection
Distance protection
Local acceleration logic
Scheme communication logic
Current reversal and weak-end
infeed logic
Communication logic for residual
overcurrent
Current reversal and weak-end
infeed logic for residual overcurrent
Line differential protection with
inzone power transformer
Binary signal transfer
Switch-onto-fault protection
Three-phase non-directional
overcurrent protection, low stage
Three-phase non-directional
overcurrent protection, high stage
Table continues on next page
IEC 61850 IEC 60617
DSTPDIS Z<
DSTPLAL LAL
DSOCPSCH CL
CRWPSCH CLCRW
RESCPSCH CLN
RCRWPSCH CLCRWN
LNPLDF 3Id/I>
BSTGAPC BST
CVPSOF CVPSOF
PHLPTOC 3I>
PHHPTOC 3I>>
1MRS759142 C
.
ANSI
21P,21N
21LAL
85 21SCHLGC
85 21CREV,WEI
85 67G/N
SCHLGC
85 67G/N
CREV,WEI
87L
BST
SOTF
51P-1
51P-2
REX640
Technical Manual