ANSI08000290_1_en.vsd
ZMRAPDIS (21)
I3P*
V3P*
BLOCK
BLKZ
BLKTR
PHSEL
DIRCND
TRIP
TR_A
TR_B
TR_C
BFI
PU_A
BFI_B
PU_C
PHPUND
ANSI08000290 V1 EN
Figure 168: ZMRAPDIS (21) function block
ZDRDIR
I3P*
U3P*
STDIRCND
IEC09000639-1-en.vsd
IEC09000639 V1 EN
6.9.4 Input and output signals
Table 146: ZMRPDIS (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
BLKZ BOOLEAN 0 Blocks all output for LOV (or fuse failure) condition
BLKTR BOOLEAN 0 Blocks all trip outputs
PHSEL INTEGER 0 Faulted phase loop selection enable from phase
selector
DIRCND INTEGER 0 External directional condition
Table 147: ZMRPDIS (21) Output signals
Name
Type Description
TRIP BOOLEAN General Trip, issued from any phase or loop
TR_A BOOLEAN Trip signal from phase A
TR_B BOOLEAN Trip signal from phase B
TR_C BOOLEAN Trip signal from phase C
RI BOOLEAN General Pickup, issued from any phase or loop
BFI_A BOOLEAN Pickup signal from phase A
Table continues on next page
1MRK505222-UUS C Section 6
Impedance protection
321
Technical reference manual