ABB Relion 670 series - Function block; Input and output signals

4.12.4 Function block
ANSI05000705-1-en.vsd
SMAI1
BLOCK
DFTSPFC
^GRP1_A
^GRP1_B
^GRP1_C
^GRP1_N
TYPE
SPFCOUT
AI3P
AI1
AI2
AI3
AI4
AIN
ANSI05000705 V1 EN
Figure 39: SMAI1 function block
ANSI07000130-1-en.vsd
SMAI2
BLOCK
^GRP2_A
^GRP2_B
^GRP2_C
^GRP2_N
TYPE
AI3P
AI1
AI2
AI3
AI4
AIN
ANSI07000130 V1 EN
Figure 40: SMAI2 function block
4.12.5 Input and output signals
Table 44: SMAI1 Input signals
Name
Type Default Description
BLOCK BOOLEAN 0 Block group 1
DFTSPFC REAL 20.0 Number of samples per fundamental cycle used for
DFT calculation
GRP1_A STRING - Sample input to be used for group 1 phase A
calculations
GRP1_B STRING - Sample input to be used for group 1 phase B
calculations
GRP1_C STRING - Sample input to be used for group 1 phase C
calculations
GRP1_N STRING - Sample input to be used for group 1 residual
calculations
1MRK505222-UUS C Section 4
Basic IED functions
111
Technical reference manual