ABB Relion 670 series - Input and output signals

6.6.4 Input and output signals
Table 130: ZDMRDIR (21D) Input signals
Name Type Default Description
I3P GROUP
SIGNAL
- group connection for current abs 1
V3P GROUP
SIGNAL
- group connection for voltage abs 1
Table 131: ZDMRDIR (21D) Output signals
Name Type Description
DIR_CURR GROUP SIGNAL Group connection
DIR_VOLT GROUP SIGNAL Group connection
DIR_POL GROUP SIGNAL Group connection
PUFW BOOLEAN Pickup in forward direction
PUREV BOOLEAN Pickup in reverse direction
STDIRCND INTEGER Binary coded directional information per measuring loop
Table 132: ZDARDIR Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Current signals
V3P GROUP
SIGNAL
- Voltage signals
I3PPOL GROUP
SIGNAL
- Polarisation current signals
DIRCND INTEGER 0 Binary coded directional signal
Table 133: ZDARDIR Output signals
Name
Type Description
FWD_G BOOLEAN Forward start signal from phase-to-ground directional
element
REV_G BOOLEAN Reverse start signal from phase-to-ground directional
element
DIREFCND INTEGER Pickuo direction Binary coded
1MRK505222-UUS C Section 6
Impedance protection
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