HART
www.PicPars.com1HART . .MODBUS . FIELDBUS . PROFIBUS , ASI ,
DEVICENET , FOUNDATION FIELDBUS . ETHERNET . . ETHERNET TCP/IP . .
HART 4~20 mA . HART .HART
4 ~20mA . . . Highway Addressable Remote Transducer . HART
4~20mA .
HART :
HART bel 202 Frequency Shift Keying . FSK . 1 1200 0 2200 . +0.5
mA 4-20 mA -0.5 mA .8 HART : Master/Slave Slave Master . Master
HART (Slave) . (DCS PLC) Master Communicator Master HART . hart : :
. . . . . (multi drop) . Master . . 500 ms . HART (HART
Communications) HART : HART . HART ) I/O Card ( 4~20 mA . . HART :
. 4-20 mA . Bell 202 Frequency Shift Keying .
/ (The Request/Reply Model) : HART / HART .. HART . (Burst Mode
Communication) . (HART Burst Mode Communication): HART . Burst Mode
(Measure Valued) PV (Process Variable) . Burst Mode . Mutidrop HART
:
HART . HART . Request/Reply . HART (Data-Acquisition) . HART:
Master . SET , .
(Multiplexer): . . . , Host Master . Cascade , Master ( 1000 ) .
. HART (Maintenance cost) .
( )
. . . HART FOUNDATION Fieldbus . . HART FOUNDATION Fieldbus
:
HART FF FF HART . . .
HART Wireless : HART Wireless . HART Wireless HART . HART . HART
.HART Wireless 4 20 DCS ( ) HART . . HART Wireless : (Gateways)
Wireless. HART Wireless . HART Wireless . HART Wireless . Gateway
HART Wireless . Gateway MODBUS . HART Wireless modem . HART
Wireless 200 . . Gateway . HART Wireless . . . . . . . .
:
HART . HART . Fieldbus HART . HART 4~20mA . HART multiparametr .
HART .
:
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