---------------------------------
:鐘松豪
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+86-592-5556572
2556372430
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IRDH575B1-4227
IRDH575B1-4235
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IRDH575B1-435
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IRDH575B2-435
IRDH575B2W-435
IREH470Y2-6
IREH470Y2-613
LFC107E06-B16
LFC107E12-B16
LFC107E18-B16
LFC107E24-B16
LTIC107D
LTIC107E
MK2007CBM
MK2007CBMT
MK2007CBM-CN
MK24..-FLUSH
MK24..-SWITCHBOARD
MK2410
MK2418-11
MK2418-12
MK2418A-11
MK2418A-12
MK2418CP-11
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MK2418CPA-11
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MK2418CPK-11
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MK2430-11
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PGH471
PGH471-21
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RCM420-D-1
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RCM460Y
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RCMA420-DM-1
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RCMS460-D-1
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RCMS470-12
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RK170
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SMO482P-12
SP100
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STW2
SUA143
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SUA143
SUA145
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SUA145
SUA145
SUD140
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SUD142
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SUD142
SUD472
SUD473
SUG140
SUG140
SUG141
SUG141
SUR353Z
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UFC107E65-06-B16
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UFC107E65-24-B16
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UG140P
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UMC107E-65
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UMC107E-80
UMC108E-65
UMC108E-80
UMC710D4-160
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UMC710D4-250
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UMC710D4-29
UMC710D4-29-E1
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UMC710D4-400
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UMC710D4-630
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USC107D4
USC107D4-HA
USC710D4-01-HA
USC710D4-02-HA
VMD420-D-1
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VMD421H-D-3
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VME420-D-2
VME421H-D-1
VME421H-D-2
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W10/8000
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W1000
W120
W120AB
W120B
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W1-A35S
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W20-8000
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W210
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W35
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W465-A26
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W4-S140
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W5-A210S
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W60
W600
W60-8000
W60AB
W60B
W60B-120T1
W700
W800
W900
WR115x305
WR115x305S
WR150x350S
WR200x500S
WR50x175
WR70x150
WR70x175
WR70x175S
WS20x30
WS20X30/8000
WS20x30-8000
WS50x80
WS50x80/8000
WS50x80-8000
WS50x80S
WS80x120
WS80x120S
WS80x160S
WS80x80S
-100
-1000
-250
-500
S-75
S-100
S-1000
S-250
S-500
W465-A26-1
現(xiàn)場(chǎng)總線控制技術(shù)作為一門新興技術(shù),
已廣泛、
成功地應(yīng)用在關(guān)系民生的多個(gè)行業(yè)。
20
世紀(jì)
80
年代,
廣泛用于火力發(fā)電廠過(guò)程控制的系統(tǒng)是分散控制系統(tǒng)
(
DCS
)
和可編程控制器
(
PLC
)
。
80
年代末至今,
DCS
以其*的技術(shù)、豐富的控制功能、友好的人機(jī)界面等優(yōu)勢(shì),
逐步占領(lǐng)了火電廠機(jī)、爐、電主控領(lǐng)域,而
PLC
則由于其邏輯處理功能強(qiáng)、境適應(yīng)性好、環(huán)
系統(tǒng)獨(dú)立性強(qiáng)、
采購(gòu)成本較低等特點(diǎn),
成為電廠輔助生產(chǎn)系統(tǒng)和機(jī)組輔助系統(tǒng)的*控制系
統(tǒng)。
80
年代末期開始發(fā)展起來(lái)的現(xiàn)場(chǎng)總線技術(shù)和產(chǎn)品,以及由此組成的控制系統(tǒng)——現(xiàn)場(chǎng)
總線控制系統(tǒng)(
FCS
,
Field
Control
System
)
,引發(fā)了自動(dòng)控制領(lǐng)域的革命。開放的、全數(shù)
字化和雙向多站的通訊網(wǎng)絡(luò),
與多功能的智能化現(xiàn)場(chǎng)數(shù)字儀表是
FCS
的主要特征,
它將使自
動(dòng)控制系統(tǒng)的效能產(chǎn)生巨大的飛躍。
一、現(xiàn)場(chǎng)總線的定義及特點(diǎn)
根據(jù)電工委員會(huì)
IEC61158
標(biāo)準(zhǔn)的定義:安裝在制造或生產(chǎn)過(guò)程區(qū)域的現(xiàn)場(chǎng)裝置與
控制室內(nèi)的自動(dòng)控制裝置之間的數(shù)字式、串行、雙向、多點(diǎn)通信的數(shù)據(jù)總線稱為現(xiàn)場(chǎng)總線。
由現(xiàn)場(chǎng)總線與現(xiàn)場(chǎng)智能設(shè)備組成的控制系統(tǒng)稱為現(xiàn)場(chǎng)總線控制系統(tǒng)
FCS(Fieldbus Control
System)
。
FCS
的核心是總線協(xié)議,只有遵循現(xiàn)場(chǎng)總線協(xié)議的控制系統(tǒng),才能稱為現(xiàn)場(chǎng)總線
控制系統(tǒng);
FCS
的基礎(chǔ)是數(shù)字智能現(xiàn)場(chǎng)儀表,它是
FCS
的硬件支撐;
FCS