计算机用屏蔽电缆(或称DCS系统用电缆)
用途
本产品适用于额定电压500V及以下对于防干扰性要求较高的电子计算机网络及控制系统，或抗干扰性能要求较高的检测装置和仪器仪表的连接。
特点
电缆地线芯绝缘采用具有抗氧化性能的K型B类低密度聚乙烯。聚乙烯的绝缘电阻高，耐电压好，介电系数小和介质损耗温度和变频率的影响也小，不但能满足传输性能的要求，而且能确保电缆的使用寿命。
主要功能
为了减少回路间的相互串扰和外部干扰，电缆采用屏蔽结构。电缆的屏蔽要求是根据不同场合分别采用：对绞组合屏蔽、对绞组成电缆的总屏蔽、对绞组合屏蔽后总屏蔽等方法。屏蔽材料有圆铜线，铜带、铝带/塑料复合带三种。屏蔽对与屏蔽对具有较好的绝缘性能，电缆在使用中若屏蔽对屏蔽对之间出现电位差时，不会影响信号的传输质量。
产品详情
计算机用屏蔽电缆(或称DCS系统用电缆)Computer Shielded Cable (Cable for DSC system)
本产品适用于电子计算机网络及控制系统，或抗干扰性 能要求较高的检测装置和仪器仪表的连接。
It is used as connection cable of inspection devices and instruments with high demand on interference resis- tant performance in computer network and control sys- tem.
一、生产执行标准：Q/SY.J.04.030-2004参照采用英国BS5308标准。
Executive standard:Q/SY.J.04.030-2004 or BS5308 standard for reference
二、使用特性
1、交流额定电压U0/U：300/500V；电缆导体长期允许 最高工作温度：聚氯乙烯绝缘分70℃、105℃两种；聚乙烯绝 缘为70℃；交联聚乙烯绝缘为90℃（绝缘交联类型可分为硅 烷交联和辐照交联）。
2、最低环境温度：固定敷设-40℃；非固定敷设-15℃。安 装敷设时环境温度：不低于0℃。
3、电缆允许最小弯曲半径：金属带绕包屏蔽或钢丝、钢 带铠装电缆不小于电缆外径的12倍；非铠装软电缆或编织屏 蔽电缆不小于电缆外径的6倍。
Performance for Usage
1: AC rated voltageU0/U：300/500V. Long term working temperature of cable conductor is 70℃ & 105℃ for cable with PVC insulation, 70℃ for cable with PE insulation and 90℃ for cable with XLPE insulation.(XLPE insulation includes silane XLPE & irradiation XLPE insulation.)
2: Min. environment temperature is - 40℃ for fixed laying and -15℃ for non-fixed laying. Environment tem- perature shall be no less than 0℃ for installing.
3: Min.bending radius allowed by cable is no less than 6 times that of cable OD for non-armored soft cable or braided shielding cable and 12 times that of cable OD for cable with metallic tape wrapped shielding or steel wire/steel tape armor.
三、基本型号及名称 Basic Type and Description
| 序号No. | 型号Type | 电缆名称Description |
| 1 | DJYVP | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织总屏蔽计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper wire braidedgeneral shielding | ||
| 2 | DJYVPR | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织总屏蔽计算机软电缆 |
| Computer soft cable with Cu core, PE insulation, PVC sheath, copper wire braidedgeneral shielding | ||
| 3 | DJYPV | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织分屏蔽计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper wire braidedindividual shielding | ||
| 4 | DJYPVR | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织分屏蔽计算机软电缆 |
| Computer soft cable with Cu core, PE insulation, PVC sheath, copper wire braidedindividual shielding | ||
| 5 | DJYPVP | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织分屏总屏计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper wire braidedgeneral & individual shielding | ||
| 6 | DJYPVPR | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织分屏总屏计算机软电缆 |
| Computer soft cable with Cu core, PE insulation, PVC sheath, copper wire braidedgeneral & individual shielding | ||
| 7 | DJYVP2 | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包总屏蔽计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper-plastic compoundtape wrapping general shielding | ||
| 8 | DJYVP2R | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包总屏蔽计算机软电缆 |
| Computer soft cable with Cu core, PE insulation, PVC sheath, copper-plasticcompound tape wrapping general shielding | ||
| 9 | DJYP2V | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包分屏蔽计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper-plastic compoundtape wrapping individual shielding | ||
| 10 | DJYP2VR | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包分屏蔽计算机软电缆 |
| Computer soft cable with Cu core, PE insulation, PVC sheath, copper-plasticcompound tape wrapping individual shielding | ||
| 11 | DJYP2VP2 | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包分屏总屏计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper-plasticcompound tape wrapping individual & general shielding | ||
| 12 | DJYP2VP2R | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包分屏总屏计算机软电缆 |
| Computer soft cable with Cu core, PE insulation, PVC sheath, copper-plasticcompound tape wrapping individual & general shielding | ||
| 13 | DJYVP3 | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包总屏蔽计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, aluminum-plasticcompound tape wrapping general shielding | ||
| 14 | DJYVP3R | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包总屏蔽计算机软电缆 |
| Computer soft cable with Cu core, PE insulation, PVC sheath, aluminum-plastic compound tape wrapping general shielding | ||
| 15 | DJYP3V | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包分屏蔽计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, aluminum-plasticcompound tape wrapping individual shielding | ||
| 16 | DJYP3VR | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包分屏蔽计算机软电缆 |
| Computer soft cable with Cu core, PE insulation, PVC sheath, aluminum-plastic compound tape wrapping individual shielding | ||
| 17 | DJYP3VP3 | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包分屏总屏计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, aluminum-plasticcompound tape wrapping individual & general shielding | ||
| 18 | DJYP3VP3R | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包分屏总屏计算机软电缆 |
| Computer soft cable with Cu core, PE insulation, PVC sheath, aluminum-plastic compound tape wrapping individual & general shielding | ||
| 19 | DJYVP22 | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织总屏蔽钢带铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper wire braidedgeneral shielding, steel tape armor | ||
| 20 | DJYPV22 | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织分屏蔽钢带铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper wire braidedindividual shielding, steel tape armor | ||
| 21 | DJYPVP22 | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织分屏总屏钢带铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper wirebraided individual & general shielding, steel tape armor | ||
| 22 | DJYVP2-22 | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包总屏蔽钢带铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper-plasticcompound tape wrapping, general shielding, steel tape armor | ||
| 23 | DJYP2V22 | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包分屏蔽钢带铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper-plasticcompound tape wrapping, individual shielding, steel tape armor | ||
| 24 | DJYP2VP2-22 | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包分屏总屏钢带铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper-plasticcompound tape wrapping, individual & general shielding, steel tape armor | ||
| 25 | DJYVP3-22 | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包总屏蔽钢带铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, aluminum-plasticcompound tape wrapping, general shielding, steel tape armor | ||
| 26 | DJYP3V22 | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包分屏蔽钢带铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, aluminum-plasticcompound tape wrapping, individual shielding, steel tape armor | ||
| 27 | DJYP3VP3-22 | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包分屏总屏钢带铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, aluminum-plasticcompound tape wrapping, individual & general shielding, steel tape armor | ||
| 28 | DJYVP32 | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织总屏蔽钢丝铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper wire braidedgeneral shielding, steel wire armor | ||
| 29 | DJYPV32 | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织分屏蔽钢丝铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper wire braidedindividual shielding, steel wire armor | ||
| 30 | DJYPVP32 | 铜芯聚乙烯绝缘聚氯乙烯护套铜线编织分屏总屏钢丝铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper wire braidedindividual & general shielding, steel wire armor | ||
| 31 | DJYVP2-32 | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包总屏蔽钢丝铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper-plasticcompound tape wrapping, general shielding, steel wire armor | ||
| 32 | DJYP2V32 | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包分屏蔽钢丝铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper-plasticcompound tape wrapping, individual shielding, steel wire armor | ||
| 33 | DJYP2VP2-32 | 铜芯聚乙烯绝缘聚氯乙烯护套铜塑复合带绕包分屏总屏钢丝铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, copper-plasticcompound tape wrapping, general & individual shielding, steel wire armor | ||
| 34 | DJYVP3-32 | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包总屏蔽钢丝铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, aluminum-plasticcompound tape wrapping, general shielding, steel wire armor | ||
| 35 | DJYP3V32 | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包分屏蔽钢丝铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, aluminum-plasticcompound tape wrapping, individual shielding, steel wire armor | ||
| 36 | DJYP3VP3-32 | 铜芯聚乙烯绝缘聚氯乙烯护套铝塑复合带绕包分屏总屏钢丝铠装计算机电缆 |
| Computer cable with Cu core, PE insulation, PVC sheath, aluminum-plasticcompound tape wrapping, general & individual shielding, steel wire armor |
四、型号名称及含义 Type, Description and Definition
五、规格范围
对数：1~24对。
每对芯数：二芯(称二线组)或三芯(称三线组)。
导体截面：0.5mm2、0.75mm2、1.0mm2、1.5mm2、2.5mm2。
Specification Scope
Pair No.: 1~24 pairs
Core No. per pair: 2 cores (equal to 2 wire group ) or
3 cores (equal to 3 wire group)
Cross section of conductor: 0.5mm2、0.75mm2、
1.0mm2、1.5mm2、2.5mm2
六、主要技术参数 Main Technical Parameter
1、20℃导体直流电阻 DC Resistance of Conductor at 20℃
| 导体标称 | 导体根数/单丝直径mm | 20℃时导体直流电阻Ω/km | |||
| 截面mm2 | Pieces of conductor/diameter of singlepiece | DC resistance of conductor at20℃ | |||
| Nominal crosssection | |||||
| area | A | B | R | A、B | R |
| 0.5 | 1/0.80 | 7/0.30 | 16/0.20 | ≤36.0 | ≤39.0 |
| 0.75 | 1/0.97 | 7/0.37 | 24/0.20 | ≤24.5 | ≤26.0 |
| 1 | 1/1.13 | 7/0.43 | 32/0.20 | ≤18.1 | ≤19.5 |
| 1.5 | 1/1.38 | 7/0.52 | 30/0.25 | ≤12.1 | ≤13.3 |
| 2.5 | 1/1.78 | 7/0.68 | 49/0.25 | ≤7.41 | ≤7.98 |
2、20℃绝缘电阻 Insulation Resistance at 20℃
| 性能项目 | PVC绝缘 | PE、XLPE绝缘 |
| Performanceitem | PVCinsulation | PE、XLPEinsulation |
| 20℃时绝缘电阻MΩ.km | ≥25 | ≥500 |
| insulation resistance at20℃ |
Cable shall endure A.C. voltage test of 2000V under power frequency for 1min without puncture of insulation. And testing temperature is environment temperature.
