偃师低烟无卤WDZ-超柔电缆ZR-RVV
低烟无卤电缆，是指不含卤素（F、Cl、Br、I、At）、不含铅镉铬汞等环境物质的胶料制成，燃烧时不会发出有毒烟雾的环保型电缆。
低烟无卤电缆基本概述:● 其中卤素指针为：所有卤素的值≦50PPM(根据法规PREN 14582)● 燃烧后产生卤化氢气体的含量<100PPM(根据法规EN5067-2-1)● 燃烧后产生的卤化氢气体溶于水后的PH值≧4.3(弱酸性) (根据法规EN-50267-2-2)● 产品在密闭容器中燃烧后透过一束光线其透光率≧60%(根据法规EN-50268-2)● Pb<90PPM，Cd、Cr6+、Hg、PBBs、PBDEs均小于5PPM
低烟低卤、低烟无卤阻燃电缆特点及用途：本产品适用于交流额定电压450/750V及以下的地铁、高层建筑、商场、剧院、发电站、化学工厂、城市广场及其他公用事业等对电缆阻燃特性要求高的场合。电缆的无卤低烟、低卤低烟特性，当火灾发生时，蔓延速度慢，烟浓度低，可见度高，有害气体释放量小，便于人员撤离。
RS485 cable product description: the characteristic impedance of 100 ohms, conductor is 2 * 2 * 24 awg multi-strand tin electrolytic copper wire twisted and become, insulating sheath like installation of design and color recognition, aluminum foil/polyester with total shielding, additional stranded tinned copper wire grounding conductor, industrial gray PVC outer sheath, 1 of the RS - 485 communication cable, the characteristic impedance of 120 ohms, conductor is 2 * 24 awg stranded tinned copper wire, PE insulation, covered with aluminum foil/polyester composite with + 90% tin plated copper wire this double shielding, comes with a grounding conductor is RS - 485 communication cable.
Half air insulated cable: this kind of structure is between these two kind of insulation type, its insulation is also made up by air and solid medium, but from one conductor to another conductor need through the solid dielectric layer.
燃烧气体的腐蚀性小，也避免了对仪器设备的损害，低卤、无卤的特性，使得电缆材料在耐老化和耐紫外线及其它辐照性能大大提高，从而延长电缆的使用寿命。低烟无卤WDZ-超柔电缆ZR-RVV
低烟无卤电缆使用特性：1.电缆额定电压UO/U:450/750V，交流聚烯烃UO/U为0.6/1KV2.电缆长期工作温度为：-20℃－90℃，-40℃－105℃3.推荐弯曲半径：无铠装电缆应不小于电缆外径的6倍，有铠装或铜带屏蔽结构的电缆应不小于电缆外径的12倍。
低烟无卤电缆主要技术指标：1.电缆应经受环境温度下工频电压试验3kV，5min不击穿2.电缆的透光率应符合下表电缆外径 D（mm）透光率（%）≥电缆外径 D（mm）透光率（%）≥D>40705
三菱plc控制三菱变频器的方法：采用PLC的开关量控制变频器（即采用PLC的开关量输出端直接与变频器的开关量输入端相连，PLC可通过程序控制变频器的启动、停止、正反转及高、中、低速多段速度运行）。采用PLC的模拟信号控制变频器。PLC采用RS-485的Modbus-RTU通信方法控制变频器。PLC采用现场总线方式控制变频器。PLC采用RS-485无协议通信方法控制变频器。其中采用RS-485无协议通信方法控制变频器得到了广泛应用。
KYV20,KYV220.5-10mm2,4-61芯FYV30,KYV320.5-10mm2,7-61芯KYVR0.5-6mm2,2-61芯KYVRP0.5-4mm2,2-61芯KYVP22,KYVP2-221.5-10mm2,4-61芯注：型号前加“ZR”为阻燃型，适用于火灾易发生的环境。
主要生产，KVV,KVV22，KVV32，KVVR,KVVRP等全系类全塑控制电缆，ZR-KVV,ZRC-KVV,ZRA-KVV,ZR-KVV22，ZR-KVVP22，ZR-KVV32，ZR-KVVRP等全系类阻燃控制电缆KYJV,KYJV22，KYJV32，KYJVR,KYJVRP,ZRA-KYJ。
Purpose: the self-supporting non-filled cable is suitable for the urban and township telecommunication lines of local telecommunication network, and also for the special network lines connecting to the public network. It is economical and practical to use the same outer protective layer for hoisting line and cable. The mechanical and electrical properties of the cable remain unchanged under conditions of 30~C - 60~C. Structure: wire: annealed bare copper wire, copper wire diameter is 0. 4, 0. 50, 0. 60, 0. 70, 0. 80, 0. 90 mm. Insulating material: high density polyethylene or ethylene-propylene copolymer. The color of the insulated wire is in accordance with the full chromatographic standard. Pair of insulated wires: two different colored insulated wires are twisted in pairs according to different pitch and are identified by a specified chromatographic combination. Core structure: with 25 pairs as the basic unit, more than 25 pairs of cables are assembled according to the unit, each unit is wired with the unit of specified chromatogram to identify different units. 100 pairs or more of cables plus 1% of the reserve pair. Core tape: wrap with a polygrease film tape. Shielding: the two sides are overlapped with or without corrugated metal strip, beyond the cable core of the longitudinal capsule. The plastic film coated on the surface of the shielding belt and the bonding sheath of the protective layer: black low density polyethylene. Hoisting line: the hoisting line is 7 strands of galvanized steel strand, nominal outside diameter is 6. 3 and 4 mm. The tensile strength of two types of 75mm is not less than 3000kg and 1800kg respectively. The suspension wire is coated with thermoplastic paint to prevent the steel wire from corrosion. Identification and length marking
低烟无卤电缆代号、名称及含义：项目代号含义系列代号DLDWLDK低烟低卤低烟无卤控制电缆绝缘材料VJEF聚氯乙烯交联聚烯烃丁腈热塑体护套材料VGS聚氯乙烯热固性护套热塑性护套屏蔽材料PP2铜网或镀锡铜网铜带/塑复合带铠装材料2232钢带细钢丝导体种类ABR独股导体7股绞合导体多股绞合导体；生产范围截面(mm2)：0.5、1.0、1.5、2.5、4、6、10、16、25。
低烟无卤电缆主要用途：该产品阻燃性能优越，燃烧时烟度甚少，无腐蚀性气体逸出，广泛应用于核电站、地铁车站、交换机及计算机控制中心、高层建筑大楼、宾馆、广播电视台、重要军事设施、石油平台等，以及人员较集中，空气密度低的场所。
低烟无卤电线特性：(1) 抗张强度比一般PVC电线大：一般PVC电线抗张强度大于1.05Kgf/mm2，而低烟无卤电线抗张强度大于1.2Kgf/mm2；(2) 具有良好的耐候性(-30℃~105℃)；(3) 具备良好的柔软度(硬度为80—90)；(4) 具有非移性(因为此产品配方中不用添加可塑剂，故不会有移形性)；(5) 燃烧时不会产生有毒黑烟(会产生少量白色烟雾)；(6) 具有较高的体积电阻率：PVC电线一般为1012~1015Ω/cm3，低烟无卤电线大于1016Ω/cm3；(7) 具有良好的耐高压特性：PVC电线一般耐10KV以上，而低烟无卤电线高达15KV以上；(8) 具有良好的弹性和粘性。
三菱FX3U与三菱变频器多从站通信硬件如下：plc：FX3U-64MR-ES/A1台特殊模块：FX3U-4AD1台变频器：FR-E740-7.5K-CHT1台变频器：FR-D740-0.75-CHT2台通信板：FX3U-485-BD1片触摸屏：威纶通TK6070IP1台机械工艺如下：实现2轴变频器+编码器定位搬运，6个电机做输送线传动。5KW电机加了刹车电阻。。。技术参数：三台变频器通过FX3U-485-BD与FX3UPLC实现485通信，节省硬件接线。
在电缆燃烧时会释放大量的浓烟和卤酸气体，卤酸气体对周围的电气设备有腐蚀性危害需要带上防毒面具才能接近现场进行灭火。电缆燃烧时给周围电气设备以及救援人员造成危害，不利于灭火救援工作，从而导致严重的“二次危害”。
Low smoke halogen free cable All the value of the halogen ≦ 50 PPM (PREN 14582) according to regulations after low produce halide body content of < 100 parts per million (according to the regulations EN5067-2-1) halide produced by the body after low PH ≧ 4.3 after soluble in water, weak acid) (EN - 50267-2-2) according to regulations and hid products in an airtight container through a beam of light after the light transmittance ≧ 60% (according to regulations, EN - 50268-2) low Pb < 90 PPM, +, Hg, Cd, Cr6, PBBs, PBDEs are less than 5 PPM