Settings For Each Step - ABB REC670 Applications Manual

1MRK 511 401-UEN A
8.5.3.1
Bay control REC670 2.2 IEC
Application manual
is required, it is important to set the definite time delay for that
stage to zero.

Settings for each step

x means step 1, 2, 3 and 4.
DirModeSelx: The directional mode of step x. Possible settings are off/
nondirectional/forward/reverse.
Characteristx: Selection of time characteristic for step x. Definite time delay and
different types of inverse time characteristics are available.
Table 23: Inverse time characteristics
Curve name
ANSI Extremely Inverse
ANSI Very Inverse
ANSI Normal Inverse
ANSI Moderately Inverse
ANSI/IEEE Definite time
ANSI Long Time Extremely Inverse
ANSI Long Time Very Inverse
ANSI Long Time Inverse
IEC Normal Inverse
IEC Very Inverse
IEC Inverse
IEC Extremely Inverse
IEC Short Time Inverse
IEC Long Time Inverse
IEC Definite Time
User Programmable
ASEA RI
RXIDG (logarithmic)
The different characteristics are described in the Technical Reference Manual
(TRM).
Ix>: Operation negative sequence current level for step x given in % of IBase.
Section 8
Current protection
GUID-CFB327EF-C5C4-44B5-AB4B-9C2916355FC5 v5
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