ZRYJV阻燃电力电缆2X6平方沙湾定制格RVSP电缆直销舒心
Tianjin cable pull branch factory in line with the principle of "customer is", with "honest, trustworthy, thoughtful" service concept won the trust of the extensive business. I company for the pre-sale, sale, after-sales service promise as follows: 1, in order to deepen the understanding of our company, we welcome you, experts to visit factory, our company will provide accommodation and convenient work. 2. Provide customers with product price information and product information. 3, in order to ensure the products can good, our company adopts domestic high materials, and according to the re of ISO 9001 guarantee system, to strictly control the material purchasing and acceptance, un material is strictly prohibited. 4. Our company strictly implements the system of self-inspection, mutual inspection and special inspection, and it is strictly prohibited to make any substandard semi-products run out of production. To organize the production according to the special technical re of customers and provide products to customers. 5. The wires and cables provided by our company guarantee brand-new, mature and reliable performance and meet the re of customers or customers in all aspects. 6. Our company guarantees that the products provided by us can operate reliably and reliably under normal installation, normal operation and conditions.
执行标准:企业标准参照采用MT818.14-1999 。产品在全国几十个煤业集团及矿山上使用,获得了较高的评价和赞誉。MHYV(PUYV)(1×2 1×4 2×2 3×2 4×2 5×2 6×2 8×2 10×2)1/1.0、1/1.38聚乙烯绝缘聚氯乙烯护套煤矿用信号电缆用于矿场作普通信号传输,适用于固定敷设。
型号:ZRC-HYAT阻燃通信电缆,WDZ-HYAT无卤阻燃通信电缆,ZR-HYAT阻燃通信电缆,MHYAT矿用通信电缆技术特点:防火阻燃低损耗低色散结构紧凑良好的综合机械性能应用范围:适用于矿山、电厂、市内、近郊及局部地区,起到防火阻燃作用。
In order to maintain compatibility, EIA/TIA 568B is commonly used to make mineral net wire. A wiring is applied to the whole network wiring, but the network connection with rj-45 socket at both ends is feasible in the network whether it is 568A or 568B.
MHYVP矿用聚乙烯绝缘、阻燃聚氯乙烯护套、铜丝编织屏蔽信号电缆用于井下干扰较大的场合。MHYV31矿用聚乙烯绝缘、阻燃聚氯乙烯护套、镀锌钢丝编织铠装信号电缆用于井下平巷作主信号干线电缆。
今天为大家介绍一个用plc设计的简易的机械手控制电路。控制要求示意图:当按下启动按钮X1后,机械手先向下移动再向上移动,然后向右移动再向右下移动,再向右上移动,再回到原点。(我们可以想像成一个机械手抓持着一个工件,把工件从一个位置移动到另一个位置)。I/O分配表:首先我们先把输入与输出的分配给编好。流程图:像设计这种带有步进顺控指令的电路,我们可以先画一个流程图以方便我们一步步的分析与设计电路。首先机械手从原点开始先向下——向上——向右——右下——右上——向左——复位。
Low smoke zero halogen flame retardant cable insulation using crosslinked poly (do not contain halogen, sheath used do not contain halogen polyethylene thin hydrocarbon material, so the set of all materials do not contain halogen, chung cable cable released when small amounts of smoke, it won't produce a strong acid mist, functioning, toxicity is small.
Combination cable, control cable, communication cable, coaxial cable of the combined, messenger combination cable SYV75-5 + RVV RVVP + in order to adapt to the needs of high-tech and various kinds of scientific research, and organized scientific and technological personnel and use the unit joint efforts, the combination of a series of cables. The products have compact structure, performance and convenient installation, and are widely used in communication, navigation, electronic countermeasures, early warning, sea training and exploration, and comprehensive cables for various e According to the re of the user, multiple lines, power lines, shielding lines, coaxial radio frequency cables, etc. can be combined into a combined cable with total shielding. In addition, our factory has developed a self-supporting combined cable on the basis of syv75-5 +RVV+RVVP cable, and added a self-supporting steel wire to the cable, which greatly enhances the cable tension. Video line syv-75-5, syv-75-3, power supply line RVV, shielding line RVVP supply video line syv-75-5, syv-75-3, power supply line RVV, shielding line RVVP this company solemnly declares: 1. 2. Product tracking service within two years and keep records in the archives for 20 years. 3. Due to product problems, our company will guarantee, refund, replacement and customer re.
产品说明:450/750V聚氯乙烯绝缘控制电缆,适用于直流和交流50HZ额定电压450/750V的发电站、发电厂、工厂、矿山、港口及石油化工企业等远距离操作的控制回路,作为电器仪表及自动化仪表装置之间的连接线,起着传运各种电能的作用,使整个电气系统安全,可靠运行。
为了提高电缆的质量,我们选择高电性能绝缘材料生产,例如1.8/3千伏变频电机专用电缆,采用10千伏交联绝缘材料,6/10千伏变频电机专用电缆采用35千伏交联绝缘材料,导体屏蔽、绝缘屏蔽和绝缘材料均采用了进口材料。
变频电缆使用条件1、额定电压U0/U:0.6/1KV.2、电缆导体长期允许最高温度为90度,短路时最高温度250度3、安装敷设环境温度不低于0度,固定敷设时环境温度不低于-10度.4、电缆允许最小弯曲半径不小于15D(D-电缆外径,mm)变频电缆性能1、BRYJVP12R-TK、ZRBPYJVP12。
例如:①煤矿用铜芯聚乙烯绝缘聚氯乙烯护套通信电缆,2芯1.5mm2(1/1.38)或7芯0.75mm2(7/0.37),适用于固定场合使用和2对1.5mm2(48/0.2),适用于移动场合使用,表示为:MHYV1x2x1.5(1/1.38)或MHYV1x7x0.75(7/0.37)或MHYV1x7x。
今天给大家分享一个使用ST语言的注意事项,是大家在使用ST的时候要注意的,就是判断语句不能连续使用,什么意思呢,看一个例子。图一典型IF语句看,这个程序,有问题吗?你会说,没问题,它也确实没问题,但它真的有问题。这不是绕口令。虽然它从数学的角度看没问题,但是它从ST的语法角度看,它是有问题的,编译一下图二编译错误如图二,看黄色荧光笔的部分,错误类型,不能比较BOOL和类型SINT,这个报警莫名其妙,因为我们根本就没有定义BOOL型变量。
天津市电缆总厂第一分厂提供的CPEV-S通信电缆;CPEV-S电缆不仅具有国内外领先的技术水平,更有良好的售后服务和优质的解决方案。护套采用阻燃材料,安全系数高。采用先进的工艺生产,使电缆的阻抗均匀性好。
火灾中矿用电缆的主要特性有火灾温度一般在600℃~8000℃,在火灾情况下,导线电缆会很快失去绝缘能力,进而引发短路等次生电气事故,造成更大的损失;导线电缆在规定的允许载流量下有较大的过载能力;短路状态下,导线电缆会在瞬间引起绝缘材料熔化、燃烧,并引燃周围可燃物。
MHY32型弯曲半径不小于电缆直径的15倍。2.绝缘颜色:3.3线芯为一根红色一根蓝色,0.85线芯为一根白色一根绿色,白色线芯外绕包一层铝箔。3.绝缘厚度:3.3线芯绝缘厚度为0.5,绝缘后外径为3.5毫米。
执行标准Q/CF006阻燃耐火特性试验执行GB标准使用特性1.交流额定电压:U0/U0.6/1KV最高工作温度:硅橡胶绝缘180℃,氟46绝缘有200℃和260℃两种,聚氯乙烯绝缘70℃,交联聚乙烯90℃。