電子計算機(包括DCS系統)用對絞屏蔽控制電纜
Electronic Computer (Including DCS System)Purpose Screened Twisted-Pair Cable
執行標準
STANDARD IMPLEMENTED
執行標準:電子計算機(包括DCS系統)用對絞屏蔽控制電纜執行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.電纜導體長期允許工作溫度為:
聚氯乙烯絕緣電纜70℃ 90℃105℃(根據型號的溫度等級而定)
聚乙烯絕緣電纜70℃交聯聚乙烯絕緣電纜90℃
3.環境溫度:固定敷設-40℃，非固定敷設-10℃
4.安裝敷設溫度:不低于0℃
(低于允許敷設溫度應預先加熱)
5.最小彎曲半徑:
無鎧裝層電纜應不小于電纜外徑的8倍;
有鎧裝層電纜應不小于電纜外徑的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.
產品特點及用途
Properties and purpose of produc
本產品適用于發電、冶金、石油化工等工礦企業、交流額定電壓(Uo/U)450/750V及以下集散系統、電子計算機系統、自動化控制系統的信號傳輸以及檢測儀器、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.
