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140CPU31110

 
品牌: Schneider
Schneider: 140CPU31110
單價(jià): 999.00元/件
起訂: 1 件
供貨總量: 99 件
發(fā)貨期限: 自買家付款之日起 3 天內(nèi)發(fā)貨
所在地: 福建省 廈門市
有效期至: 長(zhǎng)期有效
最后更新: 2020-01-17 17:24
瀏覽次數(shù): 138
 
公司基本資料信息
詳細(xì)說(shuō)明
安全級(jí)別協(xié)議的標(biāo)準(zhǔn)
通過(guò)以太網(wǎng)傳輸?shù)陌踩?jí)別協(xié)議的主要標(biāo)準(zhǔn)已經(jīng)使用了15年以上了。定義現(xiàn)代數(shù)字化安全系統(tǒng)需求的主要規(guī)范包含在以下標(biāo)準(zhǔn)中:國(guó)際電工委員會(huì)(IEC)61508 電氣/電子/可編程安全級(jí)別系統(tǒng)的功能性安全,以及IEC 61784-3 工業(yè)通訊網(wǎng)絡(luò)-配置文件 -第3部分:功能性安全現(xiàn)場(chǎng)總線-通用規(guī)則及配置文件定義。
第一批數(shù)字化安全系統(tǒng)是采用了單獨(dú)的、自有的通訊總線的專用控制器。這對(duì)于實(shí)現(xiàn)安全性來(lái)說(shuō)是前進(jìn)了一步,可是需要為其設(shè)計(jì)師和最終用戶提供額外的硬件、編程軟件、許可、以及額外的現(xiàn)場(chǎng)總線。
諸如EtherCAT這種快速的、高效的工業(yè)以太網(wǎng)系統(tǒng)的出現(xiàn)使人們有可以使用IEC 61784-3推薦的“黑色通道”方式。同時(shí)也給出了另一個(gè)重要的建議,即安全數(shù)據(jù)通道不能超過(guò)目標(biāo)安全完整性等級(jí)(SIL)安全級(jí)別最大失效概率的1%,安全配置文件是根據(jù)SIL的安全級(jí)別設(shè)計(jì)的。這可以讓安全協(xié)議集合在現(xiàn)場(chǎng)總線系統(tǒng)內(nèi)部“打開(kāi)通道”,極大程度上簡(jiǎn)化了安全系統(tǒng)的硬件和軟件。Safety over EtherCAT (FSoE))協(xié)議符合IEC 61748-3標(biāo)準(zhǔn)中的功能安全通訊設(shè)備行規(guī)([FSCP 12])。在FSoE上的大多數(shù)EtherCAT功能性安全的設(shè)備都是SIL3級(jí)別的。
FSoE的趨勢(shì)
FSoE的發(fā)展趨勢(shì)是接受來(lái)自多家供應(yīng)商的安全邏輯控制器和安全輸入/輸出(I/O)設(shè)備。已有27家公司生產(chǎn)的產(chǎn)品作為FSoE系統(tǒng)的補(bǔ)充。這也是基于眾多供應(yīng)商對(duì)EtherCAT的支持,其中包括200家主控制器供應(yīng)商、105家I/O供應(yīng)商、以及160家傳動(dòng)設(shè)備供應(yīng)商。
除此以外,具有安全運(yùn)動(dòng)功能的伺服傳動(dòng)已經(jīng)問(wèn)世,由于運(yùn)動(dòng)控制器可以為了安全停止、安全轉(zhuǎn)矩、以及安全位置(請(qǐng)見(jiàn)表格)而直接向傳動(dòng)設(shè)備發(fā)送安全功能指令,已經(jīng)使運(yùn)動(dòng)控制產(chǎn)品供應(yīng)商及用戶的自動(dòng)化設(shè)計(jì)更加高效合理。不僅如此,不再需要給傳動(dòng)設(shè)備停止供電, 這一直以來(lái)都是爭(zhēng)論的焦點(diǎn),特別是在考慮例如在按下緊急停止按鈕之后,一個(gè)慣性滑行的飛輪是否真的可以建立最安全的狀況。

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TEL:0592-6808374   FAX:0592-6514751
電話:18050036945
聯(lián)系人:楊工 QQ:3443643092 mail:[email protected]
地址:廈門市湖里區(qū)安嶺路1012號(hào)豐潤(rùn)控股大廈A座202之2單元
產(chǎn)品圖片、價(jià)格、產(chǎn)品屬性等資料,僅供參考,具體以詢價(jià)時(shí)為準(zhǔn),如需詳細(xì)技術(shù)資料請(qǐng)聯(lián)絡(luò),歡迎在線或來(lái)電咨詢
注:下班時(shí)間請(qǐng)加QQ給我留言,留下公司及聯(lián)系方式,我會(huì)在24小時(shí)內(nèi)給您回復(fù),非常感謝!
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)》
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)化控制系統(tǒng)

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