ABB Relion RES670, Техническое руководство

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Table 433: Input integer value converted to binary output signals
Measured supervised
value is:
below low-low
limit
between low‐
low and low
limit
between low
and high limit
between high-
high and high
limit
above high-high
limit
Output:
LOWLOW High
LOW High
NORMAL High
HIGH High
HIGHHIGH High
16.9 Limit counter L4UFCNT
GUID-22E141DB-38B3-462C-B031-73F7466DD135 v1
16.9.1 Identification
16.9.1.1 Identification
GUID-F3FB7B33-B189-4819-A1F0-8AC7762E9B7E v2
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Limit counter L4UFCNT -
16.9.2 Functionality
GUID-13157EAB-1686-4D2E-85DF-EC89768F3572 v6
The 12 Up Limit counter (L4UFCNT) provides a settable counter with four
independent limits where the number of positive and/or negative sides on the input
signal are counted against the setting values for limits. The output for each limit is
activated when the counted value reaches that limit.
Overflow indication is included for each up-counter.
16.9.3 Operation principle
GUID-4D58423F-329C-4553-9FAF-E55A368849A5 v2
Limit counter (L4UFCNT) counts the number of positive and/or negative sides on the
binary input signal depending on the function settings. L4UFCNT also checks if the
accumulated value is equal or greater than any of its four settable limits. The four limit
outputs will be activated relatively on reach of each limit and remain activated until the
reset of the function. Moreover, the content of L4UFCNT is stored in flash memory
and will not be lost at an auxiliary power interruption.
1MRK 511 408-UUS A
Section 16
Monitoring
Phasor measurement unit RES670 2.2 ANSI 585
Technical manual