6.10.3  Function block
ANSI08000430-2-en.vsd
FRPSPDIS (21)
I3P*
V3P*
BLOCK
DIRCND
TRIP
BFI
FWD_A
FWD_B
FWD_C
FWD_G
REV_A
REV_B
REV_C
REV_G
NDIR_A
NDIR_B
NDIR_C
NDIR_G
FWD_1PH
FWD_2PH
FWD_3PH
PHG_FLT
PHPH_FLT
PHSELZ
DLECND
ANSI08000430 V2 EN
Figure 183: FRPSPDIS (21) function block
6.10.4  Input and output signals
Table 156: FRPSPDIS (21) Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Group signal for current input
V3P GROUP
SIGNAL
- Group signal for voltage input
BLOCK BOOLEAN 0 Block of function
DIRCND INTEGER 0 External directional condition
Table 157: FRPSPDIS (21) Output signals
Name
Type Description
TRIP BOOLEAN Trip by pilot communication scheme logic
BFI BOOLEAN Start in any phase or loop
FWD_A BOOLEAN Fault detected in phaseA - forward direction
FWD_B BOOLEAN Fault detected in phase B - forward direction
FWD_C BOOLEAN Fault detected in phase C - forward direction
FWD_G BOOLEAN Ground fault detected in forward direction
REV_A BOOLEAN Fault detected in phase A- reverse direction
Table continues on next page
Section 6 1MRK505222-UUS C
Impedance protection
344
Technical reference manual