IEC 61850 ANSI Function description Line Distance
REL670 (Customized)
REL670 (A21)
REL670 (A31)
REL670 (B31)
REL670 (A32)
REL670 (B32)
ZMMPDIS,
ZMMAPDIS
21 Fullscheme distance
protection, quadrilateral
for earth faults
1-5
ZDMRDIR 21D Directional impedance
element for mho
characteristic
1-2
ZDARDIR Additional distance
protection directional
function for earth faults
1-2
ZSMGAPC Mho impedance
supervision logic
1
FMPSPDIS 21 Faulty phase
identification with load
enchroachment
2
ZMRPDIS,
ZMRAPDIS
21 Distance protection
zone, quadrilateral
characteristic, separate
settings
1-5
FRPSPDIS 21 Phase selection,
quadrilateral
characteristic with fixed
angle
2
ZMFPDIS 21 High speed distance
protection
1 1 1 1 1
ZMFCPDIS 21 High speed distance
protection for series
compensated lines
1
ZMRPSB 68 Power swing detection 0-1 1 1 1 1
PSLPSCH Power swing logic 0-1 1-B03 1-B03 1-B03 1-B03
PSPPPAM 78 Pole slip/out-of-step
protection
0-2 1-B22 1-B22 1-B22 1-B22
OOSPPAM 78 Out-of-step protection 0–1 1-B22 1-B22 1-B22 1-B22
ZCVPSOF Automatic switch onto
fault logic, voltage and
current based
1
1 1 1 1 1
PPLPHIZ Phase preference logic 0-1 1
Section 3 1MRK 506 355-UEN A
Available functions
30 Line distance protection REL670 2.1 IEC
Commissioning manual