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7.2.3
Function block
IEC06000422_2_en.vsd
ZDMRDIR
I3P*
U3P*
DIR_CURR
DIR_VOLT
DIR_POL
STFW
STRV
STDIRCND
IEC06000422 V2 EN
Figure 78:
ZDMRDIR function block
7.2.4
Signals
Table 75:
ZDMRDIR Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Group signal for current input
U3P
GROUP
SIGNAL
-
Group signal for voltage input
Table 76:
ZDMRDIR Output signals
Name
Type
Description
CURR
GROUP SIGNAL
Group signal for current signals to Mho function
VOLT
GROUP SIGNAL
Group signal for voltage signals to Mho function
POL
GROUP SIGNAL
Group signal for polarization voltage signals to Mho
function
STFW
BOOLEAN
Start in forward direction
STRV
BOOLEAN
Start in reverse direction
STDIRCND
INTEGER
Binary coded directional information per measuring
loop
Table 77:
ZDARDIR Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Current signals
U3P
GROUP
SIGNAL
-
Voltage signals
I3PPOL
GROUP
SIGNAL
-
Polarisation current signals
DIRCND
INTEGER
0
Binary coded directional signal
Section 7
1MRK502052-UEN B
Impedance protection
198
Technical manual
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