ABB Relion 670 Series Applications Manual page 504

Section 18
Monitoring
18.8.4.1 Connection of analog currents
Connection diagram for analog currents included IN from parallel line shown in
L1
L2
L3
IEC07000113 V2 EN-US
Figure 248: Example of connection of parallel line IN for Fault locator LMBRFLO
18.9 Limit counter L4UFCNT
18.9.1 Identification
Function description
Limit counter
18.9.2 Application
Limit counter (L4UFCNT) is intended for applications where positive and/or negative flanks on
a binary signal need to be counted.
The limit counter provides four independent limits to be checked against the accumulated
counted value. The four limit reach indication outputs can be utilized to initiate proceeding
actions. The output indicators remain high until the reset of the function.
498
1
I1
2
3
I2
4
5
I3
6
9
I5
10
IEC 61850
identification
L4UFCNT
© Copyright 2017 Hitachi Power Grids. All rights reserved
1
I1
2
3
I2
4
5
I3
6
9
I5
10
en07000113-1.vsd
IEC 60617 ANSI/IEEE C37.2
identification device number
-
1MRK 511 401-UEN Rev. K
M13769-16 v6
Figure 248.
GUID-22E141DB-38B3-462C-B031-73F7466DD135 v1
GUID-F3FB7B33-B189-4819-A1F0-8AC7762E9B7E v3
GUID-41B13135-5069-4A5A-86CE-B7DBE9CFEF38 v2
Bay control REC670
Application manual