The SMAI function blocks for the 650 series of products are possible to set
for two cycle times either 5 or 20ms. The function blocks connected to a
SMAI function block shall always have the same cycle time as the SMAI
block.
17.9.2
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Signal matrix for analog inputs
SMAI_20_x
-
-
17.9.3
Function block
ANSI09000137-1-en.vsd
SMAI_20_1
BLOCK
DFTSPFC
REVROT
^GRP1_A
^GRP1_B
^GRP1_C
^GRP1_N
SPFCOUT
AI3P
AI1
AI2
AI3
AI4
AIN
ANSI09000137 V1 EN
Figure 306:
SMAI_20_1 function block
SMAI_20_2
BLOCK
REVROT
^GRP2_A
^GRP2_B
^GRP2_C
^GRP2_N
AI3P
AI1
AI2
AI3
AI4
AIN
ANSI09000138-1-en.vsd
ANSI09000138 V1 EN
Figure 307:
SMAI_20_2 to SMAI_20_12 function block
Note that input and output signals on SMAI_20_2 to SMAI_20_12 are the
same except for input signals GRPx_A to GRPx_N where x is equal to
instance number (2 to 12).
1MRK 502 048-UUS A
Section 17
Basic IED functions
687
Technical manual