RVVP2X0.75软芯电源线满城安装定尺生产大对数通信电缆优美

　　阻燃电缆电线电缆电缆的燃烧是由于外部加热而产生了易燃气体，要达到阻燃的目的，必须抑制引起燃烧的三要素，即：可燃气体、热量和氧气。
卤化氢气体与空气中的水一旦反应后，即生成“卤化氢酸”，严重腐蚀仪器设备、建筑物造成“二次灾害”。




　　100对及以上线对的电缆加有1％的预备线对，但最多不超过6对。
缆芯内的间隙用石油膏填充。
5、缆芯包带：用聚脂薄膜带绕包。
6、屏蔽：铜丝屏蔽或用轧纹（或不轧纹）金属带，金属带纵包于通信电缆缆芯包带之外。
7、护套：蓝色低密度聚乙烯。


Identification and length marking: there are permanent identification marks on the cable surface, and the marking interval is not more than 1m.

　　WDZA-YJY/WDZB-YJY/WDZC-YJYWDZA-YJLY/WDZB-YJLY/WDZC-YJLY交联聚乙烯绝缘聚烯烃护套A(B、C)类阻燃电力电缆可敷设在对阻燃且无卤低烟有要求的室内、隧道及管道中。




　　2）电缆的长期允许工作温度：RV-105型应不超过105℃；其他型号应不超过70℃4、电缆型号、名称和使用范围:RV铜芯聚氯乙烯绝缘连接软电缆（电线）连接用RVB铜芯聚氯乙烯绝缘平型连接软电缆（电线）连接用RVS铜芯聚氯乙烯绝缘绞型连接软电线连接用RVV铜芯聚氯乙烯绝缘聚氯乙烯护套圆型连。


Plc与一些支持通信设置进行的通信控制，如变频器、伺服、传感器等设备。
PLC输入输出分类我们的plc要想全部控制这些外围设备，光靠基本单元是不够的，还需要额外的扩展模块，如下图的选型组合，基本单元是FX3g-40mt,控制模拟量的输出需要DA模块如FX2N-4DA,采集传感器模拟量信号的AD模块如FX3U-4AD，通信有两个通道，通道1通过FX3G-CNV-ADP连接一个FX3U-485ADP通信适配器,通道2连接的是FX3G-485BD的通信板。


　　MHYV电缆、煤矿用通信电缆、煤矿用信号电缆、煤矿用通讯电缆、矿用防暴电缆、MHY32电缆、PUYV电缆，MHYVP电缆、MHYVR电缆、阻燃煤矿用通信电缆、防暴电缆、矿用监测电缆、PUYVR电缆、矿用电话线、矿用监控电缆、矿用防暴线、矿用电话电缆、执行标准：企标Q/TX本标准适用于煤矿用铜芯聚乙烯。


Fire control cable USES: this product has high fire-resistant ability, can withstand direct flame combustion and in a certain period of time not short circuit or open circuit fault occur, when the fire broke out, to put out the fire and reduce the loss. It is suitable for electric devices and control systems in places with high fire risk and fire control importance. Product standard: Q/ 320831nhn004-1996 25 ℃ ~ + 105 ℃ and 60 ℃ ~ + 200 ℃. Two kinds of refractory characteristics: comply with GB12666.6-90: A class: the flame temperature of 950 ℃ to 1000 ℃ class B: flame temperature 750 ℃ to 800 ℃ the burning time of 90 min burning time: 90 min additional voltage 500 v 3 additional voltage 500 v 3 A current a. flame retardant properties: Comply with class A of gb12666.5-90 test • minimum allowable bending radius of cable: The armoured not less than 12 times the cable diameter models: main material PVC insulated PVC sheathed low smoke low halogen low smoke zero halogen sheath insulation fluorine plastic insulation Low smoke low halogen sheath fluorine plastic insulation Low smoke zero halogen sheath fluorine plastic insulation fluorine plastic sheath Single strand conductors without shielding NH - KVV NH - KV D Y D NH - KFV DNH KFY D NH - KFF single strands of copper conductor shielding NH - KVVP NH - KV D Y D P NH - KFV D P NH - KFY D P NH - KFFP single stranded conductor copper tape screened NH - KVVP 2 NH - KV D Y D P 2 NH - KFV D P 2 NH - KFY D P 2 NH - KFFP 2 soft conductor shielding NH - no KVVR NH - KV D Y D R NH - KFV NH - KFY D D R R NH - KFFR soft copper conductor shielding NH - KVVRPNH - KV D Y D RP NH - RP NH - KFY KFV D D RP NH - KFFRP no shielding NH - steel tape armoured KVV NH - 22 KV D Y D - 22 NH - KFV NH - KFY D - D - 22 of 22 NH - KFF 22 note: PVC insulation structure by using the 105 ℃ resistance fuel used for refractory compound insulation structure. Specifications: Section 0.5 0.75 1.0 1.5 2.5 4 June 15 mm 2 above and below 2.5 mm 2 class A 1/0.80 1/1.13 1/1.13 1/1.38 1/1.38 1/1.13 1/1.13 PVC fluorine plastic sheath PVC fluorine plastic sheath class B 19/0.1 19/0.2 19/0.2 19/0.3 19/0.3 19/0.2 19/0.2 4-2-2-61 core 37 core 27 Core 4-14 core technical indicators: Performance can project technical indicators conductor dc resistance (20 ℃) or less Ω/km nominal section 0.5 0.75 1.0 1.5 2.5 4 6 class A 36.0 24.5 18.1 12.1 7.41 4.61 3.08 39.0 26.0 26.0 13.3 7.98 4.95 19.5 B test voltage 3000 V / 5 min not breakdown insulation resistance M Ω 1000 km or more refractory characteristics through the class A, Class B (according to gb12666.5-90 test) passed class A (according to gb12666.5-90 test).
　　ZR-BPFFPP2氟46绝缘和护套铜丝编织铜带绕包屏蔽耐高温变频电力电缆ZR-BPFFP3氟46绝缘和护套铝聚酯复合膜绕包屏蔽耐高温变频电力电缆。
ZR-BPVVP聚氯乙烯绝缘和护套铜丝编织屏蔽变频电力电缆。


　　通信电缆与架空明线相比，具有通信容量大、传输稳定性高、保密性好、少受自然条件和外部干扰影响等优点。
是由多根互相绝缘的导线或导体绞成的缆心和保护缆心不受潮与机械损害的外层护套所构成的通信线路。
质量保障，信誉第一，由多根互相绝缘的导线或导体构成缆芯，外部具有密封护套的通信线路。




Low smoke and low halogen flame retardant control cables are suitable for the use of ac rated voltage 450/750v and below control, monitoring circuit and protection line with certain environmental protection requirements. Operating conditions (1) rated voltage U0/U is 450/750v; (2) the cable conductor allowed to work at 70 ℃ for a long time; (3) the cable temperature under installation should not below 0 ℃, allowed bending radius; recommended by (4) the cable without armor layer shall be no less than 6 times the outer diameter of the cable; (5) the cable with armored or copper belt shielding structure shall be no less than 12 times the outer diameter of the cable; (6) the soft cable with shield layer structure shall be no less than 6 times of the cable. Technical requirements for 20 ℃ dc resistance conductors shall comply with the terms of GB9330.1 insulation resistance are shown in table 3 - table 6. The fire retardant performance test of the cable conforms to the provisions of GB/T18380. If the user does not require it to meet the requirements of class C fire retardant. The cable smoke concentration shall comply with the provisions of GB/T17651, and its light transmittance shall be 60%. The halogen content should not exceed 100 mg/g. Other performance requirements are the same as GB9330.

　　3．成品电缆经受交流50HZ3.5KV/5min电压试验不击穿。
本质安全防爆测温系统用补偿导线或电缆采用低电容、低电感材料结构，具有防爆安全性能，适用于有爆炸危险的环境下作防爆热电偶冷短与防爆测温仪表连接，形成本安热电偶测温系统。


下图是数字万用表的档位和量程，使用数字万用表进行测量时，应根据测量对象选择相应的档位，根据测量对象估计测量的范围，选择合适的量程。
，要测试9V电池电压，可选择“直流电压20V”档位。
如果无法估计测量对象的大小，则应先选择该档位的最大量程，根据显示情况逐步减小量程，直至能够准确显示读数。
选择测量量程时，应尽量使LCD显示屏中显示较多的有效数字，以提高测量精度。
，测量1.5V电池电压，选择“直流电压”的200V、20V、2V档均可测量，2V档显示的有效数字最多，测量精度较高，如下图所示。


DJYP3V polyethylene insulation on twisted aluminum plastic composite tape sub - shielding PVC



　　使用特性1、电缆额定工作电压：450F／50V、600／1000V。
2、电缆导体的长期工作温度：70℃。
3、电缆敷设时环境温度应不低于0℃。
4、最小弯曲半径：非铠装电缆：阻燃型为电缆外径的6倍，铠装型电缆：为电缆外径的20倍。


　　自承式电缆芯结构：以25对为基本单位，超过25吃饭的电缆按单位组合，每个单位规定色谱的单位扎带绕扎，以便识别不同的单位。
100对及以上的电缆加有1%的预备对。
自承式电缆缆芯包带：用聚酯薄膜带绕包。
自承式电缆屏蔽：用轧纹或不轧纹金属带纵包子缆芯包带之外，两边搭接。


Sheathed control cable is introduced: polyvinyl chloride insulated fine steel wire armoured or steel tape armoured polyvinyl chloride sheathed control cable for mine, for laying indoors, in cable trench, pipelines, and underground shaft, in the male by certain pulling force function and the function of external mechanical forces.