STARTCOMB
To make it possible to provide the directional information from a protection
function, a STARTCOMB block is used in between the application function and the
Start Matrix function.
The STARTCOMB function has one block input and 14 Boolean inputs that
convert the 14 Boolean inputs into a WORD output
STDIR
, see Figure
STDIRX=[b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14]
b0=
START (start)
b1=
FW (forward)
b2=
REV (reverse)
b3=
STL1 (startL1)
b4=
FWL1 (forwardL1)
b5=
REVL1 (reverseL1)
b6=
STL2 (startL2)
b7=
FWL2 (forwardL2)
b8=
REVL2 (reverseL2)
b9=
STL3 (startL3)
b10=
FWL3 (forwardL3)
b11=
REVL3 (reverseL3)
b12=
STN (startN)
b13=
FWN (forwardN)
b14=
REVN (reverseN)
STARTCOMB
BLOCK
START
FW
REV
STL1
FWL1
REVL1
STL2
FWL2
REVL2
STL3
FWL3
REVL3
STN
FWN
REVN
STDI R
IEC16000166-2-en.vsdx
IEC16000166 V2 EN-US
Figure 164:
STARTCOMB
Protection functions
Some protection functions are provided with start and directional outputs, for
example:
Section 10
1MRK 505 384-UEN A
Logic
340
Breaker protection REQ650 2.2 IEC
Technical manual
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