計(jì)算機(jī)電纜適用于額定電壓500V及以下對(duì)于防干擾性要求較高的電子計(jì)算機(jī)和自動(dòng)化連接用電纜。適合電力、冶金、石化等行業(yè)電子計(jì)算機(jī)為主的自動(dòng)控制系統(tǒng)、計(jì)算機(jī)集散控制系統(tǒng)、自動(dòng)化控制系統(tǒng)作控制線以及檢測(cè)用儀器儀表用計(jì)算機(jī)電纜。計(jì)算機(jī)電纜屏蔽層根據(jù)不同場(chǎng)合分別采用：對(duì)絞組合屏蔽、對(duì)絞組成電纜的總屏蔽、對(duì)絞組合屏蔽后總屏蔽等方法。

詳細(xì)介紹

描述

執(zhí)行標(biāo)準(zhǔn)：Q/SX05-2020（等效采用英國(guó)BS5308-86）

用途：適用于發(fā)電、冶金、石化等工礦企業(yè)集散系統(tǒng)、電子計(jì)算機(jī)系統(tǒng)、自動(dòng)化系統(tǒng)的信號(hào)傳輸及檢測(cè)儀器、儀表等連接用多對(duì)屏蔽電纜。

使用特性：

工作溫度：一般型號(hào)不超過70℃，

型號(hào)后帶105的不超過105℃

環(huán)境溫度：固定敷設(shè)：-40℃ 非固定敷設(shè)：-15℃

額定電壓U₀/U：300/500V

最小彎曲半徑：無鎧裝層電纜應(yīng)不小于電纜外徑的8倍

帶鎧裝層的電纜不小于電纜外徑的16倍

主要技術(shù)指數(shù)

性能項(xiàng)目 Property		單位 Unit	技術(shù)指標(biāo) Technical Indices
			聚乙烯絕緣 PE Insulation		聚氯乙烯絕緣 PVC Insulation
20℃時(shí)絕緣電阻 ≥ Insulation resistance at 20℃ ≥	任一線對(duì)導(dǎo)體間 Between conductors of any pair	MΩ? km	5000		25
工作電容（1kHz） ≤ Working capacitance (1kHz) ≤	截面	pF/m	總屏	分屏	200
	Sec.area			分（總）
	0.5mm²		75	90
	0.75mm²		75	90
	1.0mm²		75	90
	1.5mm²		85	98
	2.5mm²		95	115
電容不平衡(1KHz) ≤ Capacitance unbalance (1KHz) ≤		pF/m	1		–
電感電阻比 ≤ Inductance resistance Ratio ≤	截面	μH/Ω
	Sec.area		20
	0.5mm²		25
	0.75mm²		25
	1.0mm²		40
	1.5mm²		50
	2.5mm²

性能項(xiàng)目 Property	單位 Unit	技術(shù)指標(biāo) Technical Indices
性能項(xiàng)目 Property	單位 Unit	聚乙烯絕緣 PE Insulation	聚氯乙烯絕緣 PVC Insulation
屏蔽抑制系數(shù)≤ Shield rejection factor≤		0.01	0.01
試驗(yàn)電壓 Test voltage	V/1min	1000	1000
阻燃性 Flame retardant property		符合GB/T18380要求 Satisfy GB/T18380	同左 Same as left

導(dǎo)體結(jié)構(gòu)及直流電阻

標(biāo)稱截面 Nom.Cross-section	根數(shù)/直徑 Number/wire Dia. mm			20°C時(shí)直流電阻 DC.Resist.at 20℃ ≤Ω/km
mm	A	B	R	A、B		R
mm	A	B	R	不鍍錫	鍍錫	不鍍錫	鍍錫
0.5	1/0.8	7/0.3	16/0.2	36.8	37.6	39.7	40.9
0.75	1/0.95	7/0.37	24/0.2	25.0	25.3	26.5	27.2
1.0	1/1.13	7/0.43	32/0.2	18.4	18.6	19.9	20.4
1.5	1/1.38	7/0.52	30/0.25	12.4	12.6	13.6	14.0
2.5	1/1.78	7/0.68	49/0.25	7.56	7.71	8.14	8.37

blank 型號(hào)及名稱

電子計(jì)算機(jī)用多對(duì)屏蔽控制電纜型號(hào)及名稱

序號(hào) No.	型號(hào) Type	產(chǎn)品名稱 Names of Product	備注 Remark
1	DJYPV	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅絲編織分屏蔽電子訐算機(jī)電纜 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided individual shield.	聚乙烯絕緣聚氯乙烯護(hù)套計(jì)算機(jī)纜有優(yōu)良的電性能工作電容小絕緣電阻高 PE insulated and PVC sheathed computer cables have excellent electrical characteristics, small working capacitance and high insulation resistance
2	DJYPVP	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅絲編織分屏蔽及總屏蔽電子訐算機(jī)電纜 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided individual and collective shield.
3	DJYVP	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅絲編織總屏蔽電子訐算機(jī)電纜 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided collective shield.
4	DJYP2V	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅/塑復(fù)合膜分屏蔽電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Cu/plastic composite film individual shield.
5	DJYP2VP2	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅/塑復(fù)合膜分屏蔽及總屏蔽電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Cu/plastic composite film individual and collective shield.
6	DJYVP2	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅/塑復(fù)合膜總屏蔽電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Cu/plastic composite film collective shield.
7	DJYP3V	銅芯聚乙烯絕緣聚氯乙烯護(hù)套鋁/塑復(fù)合膜分屏蔽電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film individual shield.
8	DJYP3VP3	銅芯聚乙烯絕緣聚氯乙烯護(hù)套鋁/塑復(fù)合膜分屏蔽及總屏蔽電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film individual and collective shield.
9	DJYVP3	銅芯聚乙烯絕緣聚氯乙烯護(hù)套鋁/塑復(fù)合膜總屏蔽電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film collective shield.
10	DJYPV22	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅絲編織分屏蔽鋼帶鎧裝電子訐算機(jī)電纜 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided individual shield，ａnd steel tape armoring.
11	DJYPVP22	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅絲編織分屏蔽及總屏蔽鋼帶鎧裝電子訐算機(jī)電纜 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided individual and collective shield，ａnd steel tape armoring.
12	DJYVP22	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅絲編織總屏蔽鋼帶鎧裝電子訐算機(jī)電纜 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided collective shield，ａnd steel tape armoring.
13	DJYP2V22	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅/塑復(fù)合膜分屏蔽鋼帶鎧裝電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Cu/plastic composite film individual shield，ａnd steel tape armoring.
14	DJYP2VP2-22	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅/塑復(fù)合膜分屏蔽及總屏蔽鋼帶鎧裝電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Cu/plastic composite film individual and collective shield，ａnd steel tape armoring.
15	DJYVP2-22	銅芯聚乙烯絕緣聚氯乙烯護(hù)套銅/塑復(fù)合膜總屏蔽鋼帶鎧裝電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Cu/plastic composite film collective shield，ａnd steel tape armoring.
16	DJYP3V22	銅芯聚乙烯絕緣聚氯乙烯護(hù)套鋁/塑復(fù)合膜分屏蔽鋼帶鎧裝電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film individual shield，ａnd steel tape armoring.
17	DJYP3VP3-22	銅芯聚乙烯絕緣聚氯乙烯護(hù)套鋁/塑復(fù)合膜分屏蔽及總屏蔽鋼帶鎧裝電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film individual and collective shield，ａnd steel tape armoring.
18	DJYVP3-22	銅芯聚乙烯絕緣聚氯乙烯護(hù)套鋁/塑復(fù)合膜總屏蔽鋼帶鎧裝電子計(jì)算機(jī)電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film collective shield，ａnd steel tape armoring.