出售KEM電材KF-S101,KF-S101Y,KF-S101L,批發(fā)CREVIS,NA-9289,MODBUS TCP Network Adapter, 252 bytes bbbbb and 252 bytes output
CREVIS,NA-9212,Premium DeviceNet Network Adapter, 252 bytes bbbbb and 252 bytes output
CREVIS,NA-9211,DeviceNet Network Adapter, 32 bytes bbbbb and 32 bytes output
CREVIS,ST-4622,ACREVIS,NAlog Output 2 Channels, 0~5V, 12Bit
CREVIS,ST-8411,DeviceNet / CANopen Connector, 6EA
CREVIS,ST-8241,Removable TermiCREVIS,NAl Block, 9EA
CREVIS,ST-8372,Numbering, Blank, 100EA
CREVIS,ST-8371,Numbering, 0~9, White, 100EA
CREVIS,ST-8121,End Module, 7EA
CREVIS,ST-7588,Field DiCREVIS,STributor, 24Vdc / 0Vdc, ID Type
CREVIS,ST-7641,Field DiCREVIS,STributor, 5Vdc, 24Vdc, 48Vdc, 110Vac, 220Vac, ID Type
CREVIS,ST-7241,Field DiCREVIS,STributor, Arbitrary 5Vdc,24Vdc,48Vdc,110Vac, 220Vac
CREVIS,ST-7191,Field DiCREVIS,STributor, 24Vdc
CREVIS,ST-7188,Common for 24Vdc and 0Vdc
CREVIS,ST-7518,Common for 24Vdc, ID Type
CREVIS,ST-7118,Common for 24Vdc
CREVIS,ST-7511,Expansion Power Supply, bbbbb 24Vdc, Output 1.0A/5Vdc, ID Type
CREVIS,ST-7111,Expansion power Supply, bbbbb 24Vdc / Output1.0A/5Vdc
CREVIS,ST-7508,Common for 0Vdc, ID Type
CREVIS,ST-7108,Common for 0Vdc
CREVIS,ST-7408,Shield Module, ID Type
CREVIS,ST-7008,Shield Module
CREVIS,ST-5726,Extension Function IO, Sle
CREVIS,ST-5725,Extension Function IO, CREVIS,MACREVIS,STer
CREVIS,ST-5651,1 channel Pulse Output, RS422
而且可以大大意外事故損失,其主要功能有:●及時(shí)性。油田后方能夠?qū)崟r(shí)每個(gè)區(qū)域、甚至每口油、氣井的生產(chǎn)動(dòng)態(tài),為快速制定生產(chǎn)和經(jīng)營(yíng)方案提供決策依據(jù)?!褡詣?dòng)。在出現(xiàn)意外情況,如輸油管線破裂,造成主管流量和分支管線流量之和產(chǎn)生較大差異,計(jì)算機(jī)經(jīng)運(yùn)算發(fā)出,提醒用戶及時(shí)采取措施,事故損失?!裨诰植繀^(qū)域,如一個(gè)采油站或聯(lián)合站內(nèi),出現(xiàn)異常情況,如某管線壓力嚴(yán)重下降,可自動(dòng)關(guān)閉相關(guān)閥門,防止事故發(fā)生?!窠y(tǒng)計(jì)數(shù)據(jù)的準(zhǔn)確性。本提供各種形式的自動(dòng)報(bào)表,不但節(jié)約大量人力,也了因人為因素造成的誤差?!窳啃?。由于采用了無(wú)線通訊技術(shù),野外沒有通訊線路,可大大量?!裨诓捎驼尽⒙?lián)合站也可監(jiān)控每口井或每個(gè)采油站的生產(chǎn)情況?,F(xiàn)大多采用變頻調(diào)速器了,因?yàn)樽冾l調(diào)速器的節(jié)能效果有30%左右。此外,變頻器價(jià)格也從早期的每千瓦1000元左右下降到每千瓦只有200多元(大功率),價(jià)格下降十分顯著。如今的工礦企業(yè)對(duì)變頻器的應(yīng)用已經(jīng)普及了,幾乎涵蓋了所有領(lǐng)域,不夸張地說,凡是用到電動(dòng)機(jī)的地方肯定有變頻調(diào)速器的身影。而且變頻調(diào)速備了電動(dòng)機(jī)所需要的起動(dòng)效果和節(jié)能效果??萍歼M(jìn)步?jīng)Q定市場(chǎng)占有,這就是為什么軟起動(dòng)器市場(chǎng)發(fā)展空間會(huì)逐步下降,而變頻器市場(chǎng)占有率飛速的主要原因。變頻器產(chǎn)業(yè)的國(guó)產(chǎn)化水平已經(jīng)有了質(zhì)的突破,國(guó)產(chǎn)變頻器的市場(chǎng)份額也在逐步,但是和國(guó)外品牌在技術(shù)上相比,還是有一定距離。目前談超越還為時(shí)過早,因?yàn)槲覀冊(cè)谧冾l技術(shù)領(lǐng)域的研究、方面。
特別聲明:以上內(nèi)容(如有圖片或視頻亦包括在內(nèi))為自媒體平臺(tái)“機(jī)電號(hào)”用戶上傳并發(fā)布,本平臺(tái)僅提供信息存儲(chǔ)服務(wù)
Notice: The content above (including the pictures and videos if any) is uploaded and posted by a user of JDZJ Hao, which is a social media platform and only provides information storage services.