描述
為了保證系統(tǒng)在工業(yè)電磁環(huán)境中免受或減少內(nèi)外電磁干擾,必須從設(shè)計(jì)階段開始便采取三個(gè)方面抑制措施:抑制干擾源;切斷或衰減電磁干擾的傳播途徑;提高裝置和系統(tǒng)的抗干擾能力。這三點(diǎn)就是抑制電磁干擾的基本原則。
PLC控制系統(tǒng)的抗干擾是一個(gè)系統(tǒng)工程,要求制造單位設(shè)計(jì)生產(chǎn)出具有較強(qiáng)抗干擾能力的產(chǎn)品,且有賴于使用部門在工程設(shè)計(jì)、安裝施工和運(yùn)行維護(hù)中予以全面考慮,并結(jié)合具體情況進(jìn)行綜合設(shè)計(jì),才能保證系統(tǒng)的電磁兼容性和運(yùn)行可靠性。進(jìn)行具體工程的抗干擾設(shè)計(jì)時(shí),應(yīng)注意以下兩個(gè)方面。
1)設(shè)備選型
在選擇設(shè)備時(shí),首先要選擇有較高抗干擾能力的產(chǎn)品,其包括了電磁兼容性(EMC),尤其是抗外部干擾能力,如采用浮地技術(shù)、隔離性能好的PLC系統(tǒng);其次還應(yīng)了解生產(chǎn)廠給出的抗干擾指標(biāo),如共模擬制比、差模擬制比、耐壓能力、允許在多火電場強(qiáng)度和多高頻率的磁場強(qiáng)度環(huán)境中工作。
歐美品牌停產(chǎn)的,常用的“PLC”備品備件
我司產(chǎn)品應(yīng)用于以下領(lǐng)域:
1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》
2,《智能平鋼化爐系統(tǒng)制造》
3,《PLC可編程輸送控制系統(tǒng)》
4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》
6,《化工廠藥液恒流量計(jì)算機(jī)控制系統(tǒng)》
7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線,變電站綜合自動(dòng)化控制系列
本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機(jī)器人系統(tǒng)配件,大型伺服系統(tǒng)備件。
CONTROL TECHNIQUES R142DSB301T USPP R142DSB301T
CONTROL TECHNIQUES 6180-9007 NSFP 61809007
CONTROL TECHNIQUES 24009003 NSFP 24009003
CONTROL TECHNIQUES SKNEMA1KITA NSFP SKNEMA1KITA
CONTROL TECHNIQUES SMIOLITE NSFP SMIOLITE
CONTROL TECHNIQUES MGE-4120-CONS-0?000 USPP MGE4120CONS0
CONTROL TECHNIQUES 960473-04 USPP 96047304
CONTROL TECHNIQUES V150ICD USPP V150ICD
CONTROL TECHNIQUES FM-2 USPP FM2
CONTROL TECHNIQUES 2400-9002 NSFP 24009002
CONTROL TECHNIQUES SSC-06 USPP SSC06
CONTROL TECHNIQUES CFOS-060 USPP CFOS060
CONTROL TECHNIQUES EI-203-00-000 USPP EI20300000
CONTROL TECHNIQUES DB140 USPP DB140
CONTROL TECHNIQUES INL602 USPP INL602
CONTROL TECHNIQUES EN-205-00-000 USPP EN20500000
CONTROL TECHNIQUES LOGICSTICK NSFP LOGICSTICK
CONTROL TECHNIQUES AX-CEN-002 USPP AXCEN002
CONTROL TECHNIQUES 820037-02 USPP 82003702
CONTROL TECHNIQUES DRIVER SE23400400 SE5.5T 4.0KW
CONTROL TECHNIQUES SP1402-LED USPP SP1402LED
CONTROL TECHNIQUES SP-1401 NSFP SP1401
CONTROL TECHNIQUES CMDS-020 USPP CMDS020
CONTROL TECHNIQUES 960500-06 USPP 96050006
CONTROL TECHNIQUES RSR-2N USPP RSR2N
CONTROL TECHNIQUES 2450-8000 USPP 24508000
CONTROL TECHNIQUES 2450-8000 USPP 24508000
CONTROL TECHNIQUES 2950-8000 USPP 29508000
CONTROL TECHNIQUES V1500 USPP V1500
CONTROL TECHNIQUES ES-2600RG USPP ES2600RG
CONTROL TECHNIQUES DIN3220150 USPP DIN3220150
CONTROL TECHNIQUES DXE-4120C USPP DXE4120C
CONTROL TECHNIQUES MHE-4120-CONS-0?000 USPP MHE4120CONS0
CONTROL TECHNIQUES PCM-11 USPP PCM11
CONTROL TECHNIQUES UD55 NSFP UD55
CONTROL TECHNIQUES 850014-02 NSPP 85001402
CONTROL TECHNIQUES 2950-8003 USPP 29508003
CONTROL TECHNIQUES 960113-04 USPP 96011304
Control Techniques CT-DBRS-820153
CONTROL TECHNIQUES LX-400 USPP LX400
CONTROL TECHNIQUES CFEF-050 NSPP CFEF050
CONTROL TECHNIQUES 861115-50 USPP 86111550
CONTROL TECHNIQUES 2950-8003 NSFP 29508003
CONTROL TECHNIQUES FX-6120 USPP FX6120
CONTROL TECHNIQUES 810236-10 USPP 81023610
CONTROL TECHNIQUES EN-208-05-000 USPP EN20805000
CONTROL TECHNIQUES CDII-220ICD USPP CDII220ICD
CONTROL TECHNIQUES EIO005 NSFP EIO005
CONTROL TECHNIQUES CDE15HP USPP CDE15HP
CONTROL TECHNIQUES AX-2000-00-00-0?3C USPP AX2000000003C
CONTROL TECHNIQUES DD-075 USPP DD075
CONTROL TECHNIQUES 6180-8110 USPP 61808110
CONTROL TECHNIQUES 960187-01 USPP 96018701
CONTROL TECHNIQUES MGE-455-CONS-00?00 USPP MGE455CONS000
CONTROL TECHNIQUES RTDL-10 USPP RTDL10
CONTROL TECHNIQUES VB75ICDNP USPP VB75ICDNP
CONTROL TECHNIQUES 2450-9012 NSFP 24509012
CONTROL TECHNIQUES M45-1ICDQ USPP M451ICDQ
CONTROL TECHNIQUES 95DSB301CAAAA USPP 95DSB301CAAAA
CONTROL TECHNIQUES EB49DMTCI NSPP EB49DMTCI
CONTROL TECHNIQUES CD550K-R USPP CD550KR
CONTROL TECHNIQUES MD-407-00-000 USPP MD40700000
CONTROL TECHNIQUES 2423-0230 NSPP 24230230
CONTROL TECHNIQUES PCM-16 NSPP PCM16
CONTROL TECHNIQUES 6041-8001 USPP 60418001
CONTROL TECHNIQUES MIC-8112-1 USPP MIC81121
CONTROL TECHNIQUES DXA-316 USPP DXA316
CONTROL TECHNIQUES SMDEVICENET USPP SMDEVICENET
CONTROL TECHNIQUES ECS-25 NSFP ECS25
CONTROL TECHNIQUES 8200-00060 USPP 820000060
CONTROL TECHNIQUES 960169-04 USPP 96016904
CONTROL TECHNIQUES EN-204-00-001 NSFP EN20400001
CONTROL TECHNIQUES M035340 USPP M035340
CONTROL TECHNIQUES DXM-340C USPP DXM340C
CONTROL TECHNIQUES SMIOPLUS NSFP SMIOPLUS
CONTROL TECHNIQUES MIC8116-2 USPP MIC81162
CONTROL TECHNIQUES 6180-4025 NSPP 61804025
CONTROL TECHNIQUES FX-316 USPP FX316
CONTROL TECHNIQUES 6180-4020 NSPP 61804020
CONTROL TECHNIQUES EB-202-00-000 USPP EB20200000
CONTROL TECHNIQUES 7004-0014 USPP 70040014














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