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

詳細介紹

描述

執(zhí)行標準：Q/SX05-2020（等效采用英國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)、電子計算機系統(tǒng)、自動化系統(tǒng)的信號傳輸及檢測儀器、儀表等連接用多對屏蔽電纜。

使用特性：

工作溫度：一般型號不超過70℃，

型號后帶105的不超過105℃

環(huán)境溫度：固定敷設：-40℃ 非固定敷設：-15℃

額定電壓U₀/U：300/500V

最小彎曲半徑：無鎧裝層電纜應不小于電纜外徑的8倍

帶鎧裝層的電纜不小于電纜外徑的16倍

主要技術指數

性能項目 Property		單位 Unit	技術指標 Technical Indices
			聚乙烯絕緣 PE Insulation		聚氯乙烯絕緣 PVC Insulation
20℃時絕緣電阻 ≥ Insulation resistance at 20℃ ≥	任一線對導體間 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

性能項目 Property	單位 Unit	技術指標 Technical Indices
性能項目 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≤ Shield rejection factor≤		0.01	0.01
試驗電壓 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

導體結構及直流電阻

標稱截面 Nom.Cross-section	根數/直徑 Number/wire Dia. mm			20°C時直流電阻 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

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型號及名稱

電子計算機用多對屏蔽控制電纜型號及名稱

序號 No.	型號 Type	產品名稱 Names of Product	備注 Remark
1	DJYPV	銅芯聚乙烯絕緣聚氯乙烯護套銅絲編織分屏蔽電子訐算機電纜 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套計算機纜有優(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套銅絲編織分屏蔽及總屏蔽電子訐算機電纜 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套銅絲編織總屏蔽電子訐算機電纜 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套銅/塑復合膜分屏蔽電子計算機電纜 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套銅/塑復合膜分屏蔽及總屏蔽電子計算機電纜 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套銅/塑復合膜總屏蔽電子計算機電纜 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套鋁/塑復合膜分屏蔽電子計算機電纜 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套鋁/塑復合膜分屏蔽及總屏蔽電子計算機電纜 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套鋁/塑復合膜總屏蔽電子計算機電纜 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套銅絲編織分屏蔽鋼帶鎧裝電子訐算機電纜 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套銅絲編織分屏蔽及總屏蔽鋼帶鎧裝電子訐算機電纜 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套銅絲編織總屏蔽鋼帶鎧裝電子訐算機電纜 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套銅/塑復合膜分屏蔽鋼帶鎧裝電子計算機電纜 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套銅/塑復合膜分屏蔽及總屏蔽鋼帶鎧裝電子計算機電纜 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套銅/塑復合膜總屏蔽鋼帶鎧裝電子計算機電纜 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套鋁/塑復合膜分屏蔽鋼帶鎧裝電子計算機電纜 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套鋁/塑復合膜分屏蔽及總屏蔽鋼帶鎧裝電子計算機電纜 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套鋁/塑復合膜總屏蔽鋼帶鎧裝電子計算機電纜 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film collective shield，ａnd steel tape armoring.