電子計(jì)算機(jī)(包括DCS系統(tǒng))用對(duì)絞屏蔽控制電纜
Electronic Computer (Including DCS System)Purpose Screened Twisted-Pair Cable
執(zhí)行標(biāo)準(zhǔn)
STANDARD IMPLEMENTED
執(zhí)行標(biāo)準(zhǔn):電子計(jì)算機(jī)(包括DCS系統(tǒng))用對(duì)絞屏蔽控制電纜執(zhí)行Q/321084KXD04-2008
Executive standard:Q/321084KXD04-2008 is applicable for electroniccomputer (including DCS system)purpose screenedtwisted-pair control.
使用特性
APPLICATION PROPERTIES
1.交流額定電壓(Uo/U):450/750V
2.電纜導(dǎo)體長(zhǎng)期允許工作溫度為:
聚氯乙烯絕緣電纜70℃ 90℃105℃(根據(jù)型號(hào)的溫度等級(jí)而定)
聚乙烯絕緣電纜70℃交聯(lián)聚乙烯絕緣電纜90℃
3.環(huán)境溫度:固定敷設(shè)-40℃，非固定敷設(shè)-10℃
4.安裝敷設(shè)溫度:不低于0℃
(低于允許敷設(shè)溫度應(yīng)預(yù)先加熱)
5.最小彎曲半徑:
無(wú)鎧裝層電纜應(yīng)不小于電纜外徑的8倍;
有鎧裝層電纜應(yīng)不小于電纜外徑的16倍。
1.Rated AC voltage (Uo/U):450/750V
2.Allowable long-time working temperatures of cableconductors:PVC insulated cable:7o℃,90℃,105℃
(Note:The specific temperature shall be determined inaccordance to the model of cable.)
PE insulated cable:70℃
XLPE insulated cable:90℃
3.Minimumambienttemperature:-40℃for fixedcable;-10℃ for moveable cable.
4.Minimum temperature for cable laying:over 0℃
(Note:Preheat when the ambient temperature is lowerthat the allowable minimum temperature for cablelaying. )
5.Recommended allowable bending radius for cablelaying:
Cable with no armor:over 8 times of the outside diameterof cable;
Cable with armor:over 16 times of the outside diameterof cable.
產(chǎn)品特點(diǎn)及用途
Properties and purpose of produc
本產(chǎn)品適用于發(fā)電、冶金、石油化工等工礦企業(yè)、交流額定電壓(Uo/U)450/750V及以下集散系統(tǒng)、電子計(jì)算機(jī)系統(tǒng)、自動(dòng)化控制系統(tǒng)的信號(hào)傳輸以及檢測(cè)儀器、儀表等連接。
This category of products are applicable for the enter-prises ofpower generation industry,metallurgicalindustry,petrochemicalindustryandotherindustries,450/750V rated AC voltage (Uo/U),the signaltransmission ofdistributed control system,computersystem and automatic control system,ａnd the connectionbetween detection instruments and meters.
