IEC 61850 or
function name
ANSI Function description Line Differential
RED670 (Customized)
RED670 (B33)
RED670 (A42)
RED670 (B42)
RED670 (C42)
LDRGFC 11RE
L
Additional security logic for
differential protection
0-1
Impedance protection
ZMQPDIS,
ZMQAPDIS
21 Distance protection zone,
quadrilateral characteristic
0-5
ZDRDIR 21D Directional impedance
quadrilateral
0-2
ZMCPDIS,
ZMCAPDIS
21 Distance measuring zone,
quadrilateral characteristic for
series compensated lines
0-5
ZDSRDIR 21D Directional impedance
quadrilateral, including series
compensation
0-2
FDPSPDIS 21 Phase selection, quadrilateral
characteristic with fixed angle
0-2
ZMHPDIS 21 Full-scheme distance protection,
mho characteristic
0-5
ZMMPDIS,
ZMMAPDIS
21 Full-scheme distance protection,
quadrilateral for earth faults
0-5
ZDMRDIR 21D Directional impedance element
for mho characteristic
0-2
ZDARDIR Additional distance protection
directional function for earth faults
0-2
ZSMGAPC Mho impedance supervision logic 0-1
FMPSPDIS 21 Faulty phase identification with
load enchroachment
0-2
ZMRPDIS,
ZMRAPDIS
21 Distance measuring zone, quad
characteristic separate Ph-Ph
and Ph-E settings
0-5
FRPSPDIS 21 Phase selection, quadrilateral
characteristic with settable angle
0-2
ZMFPDIS 21 High speed distance protection,
quad and mho characteristic
0-1 1–B15 1–B15 1–B15 1
ZMFCPDIS 21 High speed distance protection
for series comp. lines, quad and
mho characteristic
0-1
PPLPHIZ Phase preference logic 0-1
PPL2PHIZ Phase preference logic 0-1
ZMRPSB 68 Power swing detection 0-1 1-B15 1-B15 1-B15 1
PSLPSCH Power swing logic 0-1 1-B15 1-B15 1-B15 1
Table continues on next page
Section 3 1MRK 505 378-UEN A
Available functions
32 Line differential protection RED670 2.2 IEC
Commissioning manual