•
n=2 and m=12 in task group 1
•
n=14 and m=24 in task group 2
•
n=26 and m=36 in task group 3
The task time defines the execution repetition rate, and is 3, 8 or 1 ms respectively for
the three task time groups.
20.15.3
Signals
Table 859:
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
REVROT
BOOLEAN
0
Reverse rotation group 1
GRP1L1
STRING
-
First analog input used for phase L1 or L1-L2
quantity
GRP1L2
STRING
-
Second analog input used for phase L2 or L2-L3
quantity
GRP1L3
STRING
-
Third analog input used for phase L3 or L3-L1
quantity
GRP1N
STRING
-
Fourth analog input used for residual or neutral
quantity
Table 860:
SMAI1 Output signals
Name
Type
Description
SPFCOUT
REAL
Number of samples per fundamental cycle from
internal DFT reference function
G1AI3P
GROUP SIGNAL
Group 1 analog input 3-phase group
G1AI1
GROUP SIGNAL
Group 1 analog input 1
G1AI2
GROUP SIGNAL
Group 1 analog input 2
G1AI3
GROUP SIGNAL
Group 1 analog input 3
G1AI4
GROUP SIGNAL
Group 1 analog input 4
G1N
GROUP SIGNAL
Group parameter for residual sample
Table 861:
SMAI2 Input signals
Name
Type
Default
Description
BLOCK
BOOLEAN
0
Block group 2
REVROT
BOOLEAN
0
Reverse rotation group 2
GRP2L1
STRING
-
First analog input used for phase L1 or L1-L2
quantity
Table continues on next page
1MRK502052-UEN B
Section 20
Basic IED functions
1129
Technical manual
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