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电子计算机用控制电缆DJYVP 0.5/0.75/1.0/1.5/2.5平方
计算机电缆适用于额定电压500V及以下对于防干扰性要求较高的电子计算机和自动化连接用电缆。适合电力、冶金、石化等行业电子计算机为主的自动控制系统、计算机集散控制系统、自动化控制系统作控制线以及检测用仪器仪表用计算机电缆。计算机电缆屏蔽层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。
描述
描述
执行标准：Q/SX05-2020（等效采用英国BS5308-86）
用途：适用于发电、冶金、石化等工矿企业集散系统、电子计算机系统、自动化系统的信号传输及检测仪器、仪表等连接用多对屏蔽电缆。
使用特性：
工作温度：一般型号不超过70℃，
型号后带105的最高不超过105℃
最低环境温度：固定敷设：-40℃ 非固定敷设：-15℃
额定电压U0/U：300/500V
最小弯曲半径：无铠装层电缆应不小于电缆外径的8倍
带铠装层的电缆不小于电缆外径的16倍
主要技术指标
| 性能项目 Property | 单位 Unit | 技术指标 Technical Indices | |||
| 聚乙烯绝缘 PE Insulation | 聚氯乙烯绝缘 PVC Insulation | ||||
| 20℃时绝缘电阻 ≥ Insulation resistance at 20℃ ≥ | 任一线对导体间 Between conductors of any pair | MΩ· km | 5000 | 25 | |
| 工作电容（1kHz） ≤ Working capacitance (1kHz) ≤ | 截面 | pF/m | 总屏 | 分屏 | 200 |
| Sec.area | 分（总） | ||||
| 0.5mm2 | 75 | 90 | |||
| 0.75mm2 | 75 | 90 | |||
| 1.0mm2 | 75 | 90 | |||
| 1.5mm2 | 85 | 98 | |||
| 2.5mm2 | 95 | 115 | |||
| 电容不平衡(1KHz) ≤ Capacitance unbalance (1KHz) ≤ | pF/m | 1 | – | ||
| 电感电阻比 ≤ Inductance resistance Ratio ≤ | 截面 | μH/Ω | |||
| Sec.area | 20 | ||||
| 0.5mm2 | 25 | ||||
| 0.75mm2 | 25 | ||||
| 1.0mm2 | 40 | ||||
| 1.5mm2 | 50 | ||||
| 2.5mm2 | |||||
| 性能项目 Property | 单位 Unit | 技术指标 Technical Indices | |
| 聚乙烯绝缘 PE Insulation | 聚氯乙烯绝缘 PVC Insulation | ||
| 屏蔽抑制系数≤ Shield rejection factor≤ | 0.01 | 0.01 | |
| 试验电压 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 | |
导体结构及直流电阻
| 标称截面 Nom.Cross-section | 根数/直径 Number/wire Dia. mm | 20°C时直流电阻 DC.Resist.at 20℃ ≤Ω/km | |||||
| mm | A | B | R | A、B | R | ||
| 不镀锡 | 镀锡 | 不镀锡 | 镀锡 | ||||
| 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 |
型号及名称
电子计算机用多对屏蔽控制电缆型号及名称
| 序号 No. | 型号 Type | 产品名称 Names of Product | 备注 Remark |
| 1 | DJYPV | 铜芯聚乙烯绝缘聚氯乙烯护套铜丝编织分屏蔽电子讦算机电缆 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided individual shield. | 聚乙烯绝缘聚氯乙烯护套计算机缆有优良的电性能工作电容小绝缘电阻高 PE insulated and PVC sheathed computer cables have excellent electrical characteristics, small working capacitance and high insulation resistance |
| 2 | DJYPVP | 铜芯聚乙烯绝缘聚氯乙烯护套铜丝编织分屏蔽及总屏蔽电子讦算机电缆 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided individual and collective shield. | |
| 3 | DJYVP | 铜芯聚乙烯绝缘聚氯乙烯护套铜丝编织总屏蔽电子讦算机电缆 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided collective shield. | |
| 4 | DJYP2V | 铜芯聚乙烯绝缘聚氯乙烯护套铜/塑复合膜分屏蔽电子计算机电缆 Computer cable with Cu conductor, PE insulation and PVC sheath, Cu/plastic composite film individual shield. | |
| 5 | DJYP2VP2 | 铜芯聚乙烯绝缘聚氯乙烯护套铜/塑复合膜分屏蔽及总屏蔽电子计算机电缆 Computer cable with Cu conductor, PE insulation and PVC sheath, Cu/plastic composite film individual and collective shield. | |
| 6 | DJYVP2 | 铜芯聚乙烯绝缘聚氯乙烯护套铜/塑复合膜总屏蔽电子计算机电缆 Computer cable with Cu conductor, PE insulation and PVC sheath, Cu/plastic composite film collective shield. | |
| 7 | DJYP3V | 铜芯聚乙烯绝缘聚氯乙烯护套铝/塑复合膜分屏蔽电子计算机电缆 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film individual shield. | |
| 8 | DJYP3VP3 | 铜芯聚乙烯绝缘聚氯乙烯护套铝/塑复合膜分屏蔽及总屏蔽电子计算机电缆 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film individual and collective shield. | |
| 9 | DJYVP3 | 铜芯聚乙烯绝缘聚氯乙烯护套铝/塑复合膜总屏蔽电子计算机电缆 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film collective shield. | |
| 10 | DJYPV22 | 铜芯聚乙烯绝缘聚氯乙烯护套铜丝编织分屏蔽钢带铠装电子讦算机电缆 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided individual shield，and steel tape armoring. | |
| 11 | DJYPVP22 | 铜芯聚乙烯绝缘聚氯乙烯护套铜丝编织分屏蔽及总屏蔽钢带铠装电子讦算机电缆 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided individual and collective shield，and steel tape armoring. | |
| 12 | DJYVP22 | 铜芯聚乙烯绝缘聚氯乙烯护套铜丝编织总屏蔽钢带铠装电子讦算机电缆 Computer cable with Cu conductor，PE insulation and PVC sheath, Cu-wire braided collective shield，and steel tape armoring. | |
| 13 | DJYP2V22 | 铜芯聚乙烯绝缘聚氯乙烯护套铜/塑复合膜分屏蔽钢带铠装电子计算机电缆 Computer cable with Cu conductor, PE insulation and PVC sheath, Cu/plastic composite film individual shield，and steel tape armoring. | |
| 14 | DJYP2VP2-22 | 铜芯聚乙烯绝缘聚氯乙烯护套铜/塑复合膜分屏蔽及总屏蔽钢带铠装电子计算机电缆 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 | 铜芯聚乙烯绝缘聚氯乙烯护套铜/塑复合膜总屏蔽钢带铠装电子计算机电缆 Computer cable with Cu conductor, PE insulation and PVC sheath, Cu/plastic composite film collective shield，and steel tape armoring. | |
| 16 | DJYP3V22 | 铜芯聚乙烯绝缘聚氯乙烯护套铝/塑复合膜分屏蔽钢带铠装电子计算机电缆 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film individual shield，and steel tape armoring. | |
| 17 | DJYP3VP3-22 | 铜芯聚乙烯绝缘聚氯乙烯护套铝/塑复合膜分屏蔽及总屏蔽钢带铠装电子计算机电缆 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 | 铜芯聚乙烯绝缘聚氯乙烯护套铝/塑复合膜总屏蔽钢带铠装电子计算机电缆 Computer cable with Cu conductor, PE insulation and PVC sheath, Al/plastic composite film collective shield，and steel tape armoring. |
型号说明：
| 项 目 Item | 代号 Symbol | 说 明 Description |
| 阻燃代号 Flame-retardant symbols | / ZRZA ZB ZC | 非阻燃可省略 Non-flame retardant, can be omitted 阻燃 Flame-retardant A级阻燃 Flame-retardant class A B级阻燃 Flame-retardant class B C级阻燃 Flame-retardant class C |
| 系列代号 Series symbol | DJ | 电子计算机(包括DCS系统)和电动仪表用 For use in computers(incl.DCS system) and motor-driven instruments |
| 绝缘材料 Insulation materials | Y V WDZ | 聚乙烯 PE 聚氯乙烯 PVC 低烟无卤阻燃聚烯烃 Low-smoke, non-halogen flame-retardant polyolefine |
| 屏蔽材料 Shield materials | P P1 P2 P3 | 铜丝编织 Cu-wire braiding 镀锡铜丝编织 Tinned Cu-wire braiding 铜塑/聚酯复合膜或铜带 Cu/polyester composite film or Cu tape 铝塑/聚酯复合膜 Al/polyester composite film |
| 护套材料 Sheath materials | Y
V
WDZ | 耐光热聚乙烯 Light resistant and heat resistant PE 聚氯乙烯 PVC 低烟无卤阻燃聚烯烃 Low-smoke, non-halogen flame-retardant polyolefine |
| 铠装材料 armoring materials | 22 | 钢带铠装 Steel tape armoring |
| 导体种类 Kinds of conductor | A
B
R | 单根导体 Single-strand conductor 七股绞合导体 seven-strands twisted conductor 多股软导体 Multi-strand flexible conductor |
| 耐热等级 Thermal rating | /
90
105 | 最高工作温度70℃时省略 Max. working temperature 70℃, can be omitted 最高工作温度90℃ Max. working temperature 90℃ 最局工作温度105℃ Max. working temperature 105℃ |
| 规格 Specifications | 填写对数×(单元芯数×导体截面)N ×(n × s) Fill in No.of units × (cores in unit × ond.area) [N ×(n × s)] 对数N:l、2、3……19 No.of units N: 1、2、3……19 单元芯数n：2、3 cores in unit n: 2、3 导体截面S:0.5、0.75、1.0、1,5、2.5(mm2) Cond.area S: 0.5、0.75、1.0、1.5、2.5(mm2) |
双星产品特点：
- 导体采用软结构时在型号后加“R”,采用7股胶合时在规格后面加“B”.
- 产品具有良好的抗电场、磁场干扰性能，并具有良好的防芯与芯之间的干扰性能。
- 在低频、高频、超高频及变频等场合下，仍具有精确地抗干扰性能。
- 阻燃型电缆、低烟无卤型电缆、耐火型电缆，需在电缆型号前加ZA、WDZ、NH即可。
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