. . , .
:
1) .
2) .
3)
2 :
1) ( ) ( )
2) ( ) - . ( .
=2+1 . . . (2 3, 3 5) .
1, 2, 3 - ()
3 ; 1, 2, 3 -
. , / . , , HID 2072 HID 2824. . Tricon TMR (Triple Modular Redundant) - . ( ), ( 2 3, , ) ( ,,). , . 1, 2, 3 3 . 1 . 3 , , , , 3 , . 2 3 , , ( ), , 2 . .. , . . : 1- 2- . : , .
|
|
|
11. IEC 61131-3/
, .
.
, IEC 61131-3. : :IL ( );ST ( ); :LD ( );FBD ( ); :SFC ( ).
1) (SequentialFunctionChart)SFC- , . SFC (), .
2) (LadderDiagram)LD- , , .
. LD , .
3) (FunctionalBlockDaigram)FBD- LD. . FBD (, , , ) . .
4) (InstructionflList)IL- . . , .
5) (StructuredText)ST- , . . . .
. .
