ABB REG670 - Signals; Function Block

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