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    HART

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    i

    ......................................................................................................................-1

    ....................................................................................................... 1-1

    .................................................................... 1-1 ............................................................................................ 1-1

    ............................................................................................1-1

    ....................... 1-2

    .....................................................................1-3

    .................................................................. 1-3

    HART ........................................................................................... 1-3

    HART ........................................................................................... 1-5

    ........................................................................ 1-5

    ..................................................................1-5

    ....................................................... 1-5

    .................................................................................. 1-6

    Fieldbus .............................................................................................. 1-6

    .................................................................................................. 1-7

    1

    HART

    2

    ....................................................................................................... 2-1

    ................................................. 2-1

    ......................................................................................2-2

    .............................................................. 2-3

    ...................................................................................... 2-3

    .......................................................................2-4

    - 65 .......................... 2-4

    ........................................................................................2-5 ....................................................................................................2-6

    ....................................................................................... 2-6

    ....................................................... 2-6

    ........................................................................................2-6

    - ..................................................................... 2-7

    .................................................................................................. 2-7

    ....................................................................................................... 3-1

    - ............................................... 3-1

    ....................................... 3-1 ................................................................................ 3-1

    ..........................................................................................3-1

    ...................................................................................3-2

    ...................................................................................... 3-2

    ................................................ 3-3

    ................................................................................................. 3-3

    ...................................................................................3-3

    .........................................................................................................3-3

    ....................................................................................................3-4

    ......................................................................................3-5

    ........................................................................................................ 3-5

    ......................................................................................................3-5 .................................................................................3-5

    .................................................................................................. 3-7

    3

    , - -

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    ii

    HART:

    4 .......................................................................................................4-1 ......................................................................................4-1

    ....................................................................................................... 4-1

    ............................................................................ 4-1

    ...................................................................... 4-2

    ........................................................... 4-2

    ............................................................................................................4-2

    .......................................................................................................... 4-2

    ........................................................................................4-3

    .................................................................... 4-3

    .............................................................. 4-3

    .................................................................................................. 4-3

    ........................................................................................................ 4-3

    ...................................................................................................................... -1

    1-1. . ..................................................................................1-2

    1-2. . ......................................................... 1-3

    1-3. ,

    . ............................... 1-4

    1-4. ........................................................... 1-4

    1-5. fieldbus. .............................................. 1-6

    2-1. - . ......... 2-2

    2-2. . .............2-3

    2-3. , -

    . ..................................... 2-33-1. 8- . ............... 3-2

    3-2. . ....................................................................... 3-2

    3-3. : . .................................................. 3-4

    3-4. : . .................................................... 3-4

    3-5. : . ..................... 3-5

    3-6. : . ...................... 3-6

    4-1. ........................................................... 4-1

    C-1. ............... -1

    2-1. . .............................................. 2-2

    2-2 . ......................................... 2-4

    2-3. . ............................................................ 2-5

    2-4. ..................................................... 2-6

    3-1. ..................................................... 3-3

    4-1. . .................................................................. 4-4

    4-2. . ............................................................ 4-5

    4-3. . ........................................................................ 4-7

    4-4. , . ...................................... 4-7

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    -1

    -

    HART(Highway Addressable Remote

    Transducer - -). HART

    , -

    . -

    HART . HART -

    , -

    HART -

    .

    HART -

    HART ( 5).

    HART,

    .

    HART - - HART , -

    , .

    , .

    HART ,

    .

    , -

    , -

    , ,

    . ,

    , .

    1

    HART . -

    . 2

    . 3 -

    , -

    . 4 ,

    .

    , HART .

    ,

    HART .

    HART .

    -

    , HART -

    -

    . -

    ,

    .

    - ,

    - ,

    , , -

    .

    HART HART -

    .

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    -2

    HART:

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    1-1

    HART

    -

    -

    . ,

    -

    . -

    HART -

    ,

    .

    , .

    , , -

    ( ) . (

    , ,

    , .

    , , -

    , , -

    .)

    , .

    ,

    . , -

    -

    -

    .

    -

    , -

    (, -

    ). , -

    , ,

    .

    ,

    -

    , -

    ,

    .

    -

    HART -

    .

    1 HART

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    1-2

    HART:

    -

    -

    . , -

    , ,

    . ,

    , -

    ,

    .

    - -

    - 420 . , -

    ,

    ( ) ,

    . HART

    ,

    - .

    , -

    ,

    . -

    .

    1-1. .

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    1-3

    HART

    , -

    420 . -

    ,

    . ,

    , ,

    .

    , . -

    , ,

    .

    -

    .

    -

    4 .

    .

    HART

    -

    . -

    , -

    , .

    , ,

    . , -

    , - .

    1-2.

    .

    -

    ,

    . -

    , -

    , , ,

    .

    HART Rosemount

    Inc. Rosemount Inc.

    HART -

    . -

    HART .

    , -

    .

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    1-4

    HART:

    HART .

    , .

    ( -

    , ).

    15 ( - ).

    , -

    - .

    HART BELL 202

    (FSK)

    1200 ;

    420 , .

    ,

    -

    .

    1-4.

    1-3.

    -

    ,

    .

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    1-5

    HART

    , , -

    , - . :

    ,

    ,

    ( )

    , ,

    ,

    , . :

    ( , )

    -

    (PV)

    (PV)

    - -

    ( / )

    , , -

    , -

    . :

    (PV)

    8- , 16- ,

    32-

    ,

    HART : HART

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    1-6

    HART:

    , fieldbus,

    HART .HART

    , -

    .

    , ,

    , -

    HART .

    Fieldbus , ,

    field bus.

    ,

    .

    -

    ( 3 5 /2 ), -

    (4-20 ) -

    (HART), -

    fieldbus

    .

    , .

    1-5.

    fieldbus.

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    1-7

    HART

    :

    . -

    .

    HART

    , .

    -

    -

    .

    -

    , -

    .

    .

    , -

    .

    .

    -

    .

    , on-line

    .

    .

    ()

    .

    .

    BELL 202

    .

    .

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    1-8

    HART:

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    2-1

    HART

    4-20 , ,

    .

    1 0 (1200 2200 ).

    . .

    4-20

    ,

    . ,

    - - . (- - 10

    0.01% ).

    1200 .

    , 1 1200 , 0

    2200 .

    BELL 202,

    ,

    . ,

    , .

    . ,

    . (

    (back-to-back)

    BELL 202 RS-232-C, CCITT

    V.23, ).

    HART , (

    ) ,

    () .

    (, -

    ;

    , - HART .)

    . ,

    ,

    .

    HART ,

    OSI (International Standards Organization -

    ) .

    2

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    2-2

    HART:

    2-1.

    .

    HART

    .

    ( ).

    !, " #$ %&$min 400 $'

    max 600 $'

    !, " "$ %&$ min 0.8 $(max ).2 $(

    *$+ " ,

    "# % 230 ,$

    *$+ " ,

    "# % ) )00 ,$

    )84 $'

    )320 $'

    -%#&+&+ "$

    (. "#+ "$&+)

    / "$ (. #&+)

    & )20 $' 2.0 '

    &0 $' 80 $'

    - .

    HART ,

    .

    -

    :

    2-1.

    -

    .

    : (PSU), (Tx) (LR) -

    , .

    .

    ( ), ( B C) (

    ).

    HART

    230 1100 .

    , HART

    .,

    6.8 .

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    2-3

    HART .

    ,

    .

    . 4-20 ,

    4 ( ),

    .

    ( )

    ,

    .

    ,

    .

    -

    . , - ,

    ; :

    .

    - ;

    .

    ,

    ,

    , .

    - ,

    B C, - .

    HART

    - ,

    4-20 HART

    .

    B

    C, :

    2-2.

    .

    2-3.

    ,

    -

    .

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    2-4

    HART:

    , HART,

    ,

    .

    :

    2-2

    .

    , ,

    .

    .

    HART ,

    , 3

    ( 0.707).

    (0.8 ),

    (230 )

    (120 ) (. ). ,

    , 50 ,

    .

    -

    65

    /# #

    %& (#01

    %)

    2%&%03 "

    " ("$03)*$+ "

    " &

    ("03) (&. .

    "#4&+ "$03)

    ,&230 )

    )00 ,$

    700 ,$

    '& #

    %&

    *$+ 4%&%03 "

    " ("$03)

    *$+ 4%&%03 "

    " ("03)

    5 ,$

    )00 ,$

    /

    %&

    *$+ 4%&%03

    "

    *$+1 4%&"%031

    $&+

    )00 ,$

    5000 "

    5$#-

    %&

    ( 3)

    *$+ 4%&%03 "

    "

    *$+ "#&+

    " "

    )0 ,$

    )00 ,$

    (

    ) .

    5 000

    , .

    (capacitance number - CN).

    , 5 000 . ,

    Rosemount 1151 22 000 ,

    CN 5.

    , .

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    2-5

    6#1#&1" 1

    $"+0A "/$ )20 ,$/$

    /$417#1#&1

    " )50 "/$ )20 ,$/$

    6# $.+ + 200 "/$ )20 ,$/$

    250 -

    65

    0.26 . 0.01 (10 000 ) ,

    0.25 . , 110 ,

    R 360 ,

    2-3.

    .

    , HART

    (3 )

    HART.

    - RC 65 . (

    : R C.

    ; , = , : 250

    0.1 = 25 .)

    HART ,

    RC 65 . HART

    R .

    C

    . ,

    -

    250 . ,

    , .

    ,

    , ,

    (

    HART ).

    HART

    , ,

    , .

    ,

    HART . ( HART

    , , ,

    HART

    - . .)

    , , RC

    ( ). , ,

    , ,

    - .

    ,

    .

    ;

    .

    , .

    :

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    2-6

    HART:

    , HART .

    2-4.

    8"1. 24 '"&. &

    *$+1"%+91(&47 )25 :9)0.2 '#1

    $"&%

    *$+ 4%$(&500 :9 )0 :9)

    ).2 $'

    #&

    *$+ "#&+ $" )0 ,$

    ,

    HART .

    , HART

    ,

    HART ,

    .

    HART 40 /,

    HART-

    25 . HART

    , ,

    16 .

    ,

    , ,

    (. ).

    ,

    ,

    HART .

    .

    .

    , .

    (, ).

    0.18 . 900

    200 .

    HART, 1500 ,

    , ,

    ( ).

    ( CN = 5 ) -

    0.255 ( 10 25000 +5000 ) 0.005 .

    25 75 ,

    . (

    .)

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    2-7

    HART ,

    4-20 ,

    1200 .

    ,

    .

    , ,

    .

    HART

    .

    RC

    , .

    .

    ,

    .

    HART-

    .

    , -,

    0.6 ,

    ( ) HART .

    -.

    RC; .

    .

    -

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    2-8

    HART:

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    3-1

    ,

    3 ,

    -

    . -

    ,

    .

    . -

    , -

    .

    , ,

    .

    .

    -

    .

    , . -

    , -

    .

    -

    , ,

    . -

    , -

    .

    , - ,

    HART .

    -

    .

    HART .

    ,

    . ,

    .

    HART () / (mas-

    ter / slave) ,

    () , () -

    , .

    ,

    ; ,

    .

    -

    ,

    HART .

    2

    OSI - ( ).

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    3-2

    HART:

    HART- 8-, -

    UART (Universal Asynchronous

    Receiver/Transmitter - /-

    ) . RS-232 -

    ,

    , . - UART -

    - .

    HART . , -

    8-

    :

    3-1. -

    8-

    .

    IBM- PC

    8-

    DOS MODE, IBM OPEN COM.

    . , -

    , --

    .

    HART ;

    ( -

    1).

    HART :

    HART ; -

    ,

    .

    - .

    , ,

    .

    3-2.

    .

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    3-3

    ,

    HART , -

    , , -

    . (

    ) :

    HART ( 4 HART) -

    ( ). -

    0 , -

    , 4-20 ,

    1 15 .

    5 HART . - , 38-

    , -

    .

    , -

    , , -

    . , -

    HART ,

    -

    , , , .

    ,

    .

    , -

    , . -

    0 (-

    ) . -

    -

    , ,

    .

    FF

    ( ), -

    -

    .

    ,

    FF.

    : .

    ( -

    ), ( ).

    -

    . -

    , .

    -

    . , -

    3-1. -

    !" #$ !"

    % && " %2 82

    % & &" %6 86

    '"("

    & %) 8)

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    3-4

    HART:

    3-3. :

    .

    ( . -

    .)

    1)

    4 .

    38 -

    - . , -

    :

    0 ( 38 )

    , -

    (

    ; -

    ).

    ( 0 FF 255), HART . -

    254 , -

    , 256 -

    , .

    -

    .

    : ,

    HART ; -

    , 1, ,

    , 0. -

    -

    0 1, -

    . -

    ,

    . -

    1 -

    .

    0 15. -

    . -

    , -

    :

    3-4. :

    .

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    3-5

    ,

    , , -

    ; , , -

    -

    .

    4.

    . , 25 .

    , ASCII -

    .

    -

    . -

    4.

    3-5. :

    .

    :

    ,

    , (-

    ; -

    ).

    .

    -

    . ,

    . ,

    . ,

    (, -

    ).

    -. -

    .

    4.

    " " ( ) ,

    , .

    -

    , 8

    .

    .

    ( ) -

    . :

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    3-6

    HART:

    :

    :

    -

    :

    3-6. :

    .

    :

  • 7/26/2019 HART Tech Ru

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    3-7

    ,

    :

    :

    -

    , .

    , 0 11 (. 4 ).

    HART - , (

    , ). 15 -

    .

    . -

    :

    ( 5 HART).

    .

    .

    . -

    -

    .

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    3-8

    HART:

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    4-1

    4

    HART , . 7

    OSI ( ).

    3. -

    :

    ( 0 FF 255),

    HART. , 254,

    , 256

    , .

    HART : -

    , .

    4-1.

    ,

    . :

    (PV)

    8- , 16- ,

    32- ,

    4-1.

    ,

    .

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    4-2

    HART:

    , -

    , .

    ,

    . :

    ( , )

    -

    (PV)

    (PV)

    - -

    ( / )

    -

    4-2.

    ,

    . :

    ,

    ,

    ( )

    -

    . -

    .

    -

    () . -

    . -

    , . ,

    ,

    (, ).

    .

    -

    . .

    HART 4-3

    4-4.

    . ,

    25 . -

    :

    8, 16 24 ,

    IEEE

    754 (32 )

    ASCII

    4 3

    8-

    .

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    4-3

    , , - . HART

    :

    ( )

    ( 0 = ; 1 = )

    ( 0 = ; 1 = )

    ( 0 = ;

    1 = )

    ( 0 = ;

    1 = )

    ( 0 = Bell 202, - )

    , . -

    , -

    . HART -

    .

    , -

    . HART , -

    . -

    .

    , .

    50 56

    , -

    . , , 51, -

    , , -

    (PV, SV, TV FV), -

    3. , 33

    , -

    .

    HART : -, .

    ,

    .

    , ,

    ASCII .

    .

    ,

    , .

    4-1 4-2.

    4-1 4-2

    , ,

    .

    4-3 4-4 . -

    HART .

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    4-4

    HART:

    4-1. .

    !"#$ "#%!&'()*!+(, &%!!'$-"#%!&$((.) &%!!'$-"-$$((.)

    0 ! "#

    " 0 "254" ($)

    " 1 %&

    " 2 ' "

    " 3 ! '" 4 (

    " 5 ')#!(

    " 6 '&.

    '!

    " 7 ''& '.

    " 8 #& #)""

    (H)

    " 9-11 #. ! "

    (B)

    1 ! '!*'*

    " 0 )%

    '!"'"

    " 1-4 '! '

    (F)

    2 ! ') '%

    " 0-3 ()

    (F)

    " 4-7 ') '%

    (F)

    3 ! %! !(

    (''() !(

    '(

    " 0-3 ()

    (F)

    " 4 . %. '.

    '

    " 5-8 '! '

    (F)

    " 9 .%. !"

    '.

    " 10-13 ! '

    (F)

    " 14 .%. "'.

    " 15-18 '

    (F)

    " 19 .%. !"

    '.

    " 20-23 ! '

    (F)

    6 +' ' " 0 '

    11 ! "#,

    %" ,&

    " 0-5 ,&

    () 0

    12 ! " 0-23

    ()

    13 ! ,&, ',

    " 0-5 ,&

    ()

    " 6-17 '

    ()

    " 18-20

    (D)

    14 ! #)* !- , ' ')

    " 0-2 "" !.,-

    " 3 .%. ,

    ' "

    " 4-7 ("' !(F)

    " 8-11 -"' !

    (F)

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    4-5

    4-2. ' .

    !"#$ "#%!&'()*!+(, &%!!'$-"#%!&$((.) &%!!'$-"-$$((.)

    33 ! ' !

    " 0 '. ! 0

    " 1 '. ! 1

    " 2 '. ! 2

    " 3 '. ! 3

    " 0 '. ! 0

    " 1 )%. 0

    " 2-5 ' 0

    (F)

    " 6 '. ! 1" 7 )%. 1

    (% ' '&

    %'$& )

    " 8-11 ' 1

    (F)

    " 12 '. ! 2

    " 13 )%. 2

    " 14-17 ' 2

    (F)

    " 18 '. !

    3

    " 19 )%. 3

    " 20-23 ' 3

    (F)

    (% ' '" %'$"'")

    34 +' ! '#" 0-3 '#. %! ()

    (F)

    35 +' %! '%

    " 0 . %. '%

    " 1-4 ( %! '%

    (F)

    " 5-8 - %! '%

    (F)

    36 ( %!

    '% (, -*

    ' SPAN)

    37 - %!

    '% (, -* ' ZERO)

    38 #&"#&)

    %"

    39 ' .//+

    " 0 ' .//+

    ( 0 = '-! .//+,

    1 = ' .//+

    +)

    40 0" /" %-

    #&

    " 0-3 ()

    (F)

    (0 = " %-)

    41 0' & !

    42 0' &&

    "

    43 '!"

    '"

    44 +' ) %

    '!"'"

    " 0 )%

    '!"'"

    45 /" 0-3 %" ()

    (F)

    46 ,##)

    /

    " 0-3 %" ()

    (F)

    47 +' #)*'% " 0 #) '%

    48 ! '"

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    4-6

    HART:

    4-2. ' . /-.

    !"#$ "#%!&'()*!+(, &%!!'$-"#%!&$((.) &%!!'$-"-$$((.)

    51 +' ' !"

    '"

    " 0 '!"'"!

    " 1 !"'"!

    " 2 "'"!

    " 3 !"'"!

    52 '"

    !" 0 '"!

    53 +' ) % !" 0 '"!

    " 1 .%. '"!

    54 ! #)* '"

    !" 0 '"!

    " 0 '"!

    " 1-3 ""

    " 4 .%. '"!

    " 5-8 ("' '"

    !

    (F)

    " 9-12 -"' '"

    !

    (F)

    " 13-16 ! '#- ()

    '"!

    (F)

    55 +' ! '#

    '"!

    " 0 '"!

    " 1-4 ! '#

    '"! ()

    (F)

    56 +' ""

    '"!

    " 0 '"!

    " 1-3 ""

    '"!

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    )

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    H xxxxx yyy ( xxxxx = ; yyy = )

    8-, 16- 24- .

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    4-7

    4-3. .

    : :

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    6 5

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    0

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    7

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    4-8

    HART:

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    -1

    () -

    ,

    HART .

    ASCII (American Standard Code for Information Interchange - -

    )

    , ANSI (American Na-tional Standard Institute - -

    ). (

    ), 0 9 7-

    . ,

    , , , -

    , , , , (-

    ) .

    7- ASCII 8- -

    0

    .

    ASCII

    . ASCII , -

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    ( ASCII -

    .) , .

    IBM PC ASCII

    . ( ASCII IBM

    -

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    - , , 2, 3, 4 5 .

    0 9, A Z

    .

    .

    HART 6- , 7--

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    ASCII

    Bell 202 . -

    1200 2200 1 0 ,

    1200 . Bell 202 -

    , -

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    HART Bell 202, -

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    Bell

    (CCITT), Bell 202 .

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    CCITT (International Telegraph and Telephone Consultative Committee

    -

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    . , V (V.21, V.22, ..)

    CCITT

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    -2

    HART:

    OSI OSI (Open System Interconnection - - ) -

    , -

    .

    (ISO). , ,

    ,

    .

    , , -

    OSI, -

    . , ,

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    HART 1 ( ), 2 (-

    ; ) 7 ( -

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    ), 5 ( ) 6 ( )

    .

    HART (Highway Addressable Remote Transducer -

    ) -

    -

    .

    CCITT.

    HART

    RS-232-C -

    , -

    , DTE (Data Terminal

    Equipment - ) DCE (Data Communica-

    tions Equipment - ), 50 ( 15 ). -

    (EIA - Electronic Industries Asso-

    ciation), , -

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    CCITT V.24

    , RS-232-C.

    RS-232-C,

    Bell 202

    HART .

    RS-232-C

    UART (Universal Asynchronous Receiver Transmitter -

    -) -

    ,

    ( ) -

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    . UART

    .

    UART

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    -3

    -

    , ,

    . -

    .

    , -

    .

    ( ) -

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    ( 0) ( 1). -

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    ). (

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    1 .

    HART ,

    .

    -

    , (binary digit),

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    , ASCII - IEEE 754 .

    .

    , .

    1 0, -

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    ( 8),

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    -4

    HART:

    . -

    ( 10),

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    10 (-

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    -5

    (CRC - CyclicRedundancy Check)

    , -

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    0 1, ( 300 3000

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    15 . -

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    -6

    HART:

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    . .

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    2 ( 2 ).

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    IEEE 754 ( ), HART

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    -7

    (LRC)

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    -8

    HART:

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    , 4 -

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    01000011 ( 67), - FF 11111111 (255 ).

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    Fisher Rosemount

    119881

    . , .8

    (095) 245 86 86

    (095) 245 86 85

    Fisher Rosemount

    480003 -

    . ,

    .109, .1

    (327) 263-64-06

    (327) 900-27-88

    Fisher Rosemount

    254025

    . -

    , .6/11, .20

    (044) 229 43 43

    (044) 224 45 56