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can总线电缆型号RS485-2*AWG24+1*AWG24

can总线电缆型号RS485-2*AWG24+1*AWG24
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  • 产品名称:can总线电缆型号RS485-2*AWG24+1*AWG24
  • 产品型号:can总线电缆型号RS485-2*AWG24+1*AWG24
  • 产品展商:天联电缆
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简单介绍
can总线电缆型号RS485-2*AWG24+1*AWG24是我厂生产的型号规格中的一种,要想了解can总线电缆型号RS485-2*AWG24+1*AWG24是什么意思,是什么线,以及价格,can总线电缆型号RS485-2*AWG24+1*AWG24代表的含义请咨询销售部
产品描述
can总线电缆型号RS485-2*AWG24+1*AWG24是我厂众多产品中的一种,can总线电缆型号RS485-2*AWG24+1*AWG24产品的规格众多,我厂年产can总线电缆型号RS485-2*AWG24+1*AWG24几十万公里,有着丰富的制造can总线电缆型号RS485-2*AWG24+1*AWG24的宝贵经验,要详细的了解我厂can总线电缆型号RS485-2*AWG24+1*AWG24产品信息,可以拨打销售人员电话索要can总线电缆型号RS485-2*AWG24+1*AWG24的规格书。如果还想了解can总线电缆型号RS485-2*AWG24+1*AWG24以外的产品可以登录网址www.mhyv.cn查询。RS-485通讯电缆传输距离
24AWG的RS-485电缆(线径为0.51mm)为例,当数据信号速率降低到90Kbit/S以下时,假定较大允许的信号损失为6dBV时,则电缆长度被限制在1200m,当数据信号速率为600
 
以24AWG的RS-485电缆(线径为0.51mm)为例,当数据信号速率降低到90Kbit/S以下时,假定较大允许的信号损失为6dBV时,则电缆长度被限制在1200m,当数据信号速率为600Kbit/S时,采用24AWG电缆,较大电缆长度是200m,若采用19AWG电缆(线径为0.91mm)则电缆长 度将可以大于200m; 若采用28AWG 电缆(线径为0.32mm)则电缆长度只能小于200m。
如果传输距离达不到以上数字,除了布线环境干扰恶劣外,那就是电缆的质量问题。
普通网线UTP、STP,严格来说也是不能满足RS485协议的传输要求。撇开网线的机械强度、耐环境性能不说,只说电性能,一般网线的特性阻抗通常为100欧姆,而RS485要求的匹配阻抗必须在120欧姆以上(个别的如ProfiBus则达到150欧姆)。当数据在高速率传输的情况下,线路就呈现传输线效应,此时负载的特性阻抗必须与输出相匹配,否则,就会导致信号回波反射、系统不能正常工作。即使某些情况下,可以通过在末端并联匹配电阻等方法来实现阻抗匹配,但长远来说,一旦该电阻因某种原因改变而会重新发生故障,再说,此种方法还会带来增大系统功率消耗的弊端。
RVVP、KVVP这类的线材,虽然有屏蔽网,但其PVC绝缘的介质损耗实在让人无法忍受,更难实现高速远距离传输!
当高速、远距离通信,或者处于干扰恶劣的工业环境下,选择传输介质就显得十分重。采用阻抗相匹配的RS485电缆有利于降低信号的回波反射;其双绞对称、多重隔离屏蔽等独特的结构,通过正确的接地,提高了信道的抗干扰性能;其高频低衰减的特性,可实现信号长线传输距离较大化!其灵活的组合形式、多种护套更可适用不同的场合。
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can总线电缆型号RS485-3*2*0.75 can总线电缆型号RS485-3*2*0.75
can总线电缆型号RS485-3*2*1.0 can总线电缆型号RS485-3*2*1.0
can总线电缆型号RS485-4*0.2 can总线电缆型号RS485-4*0.2
can总线电缆型号RS485-4*0.3 can总线电缆型号RS485-4*0.3
can总线电缆型号RS485-4*0.5 can总线电缆型号RS485-4*0.5
can总线电缆型号RS485-4*0.75 can总线电缆型号RS485-4*0.75
can总线电缆型号RS485-4*1.0 can总线电缆型号RS485-4*1.0
can总线电缆型号RS485-4*1.5 can总线电缆型号RS485-4*1.5
can总线电缆型号RS485-4*2.5 can总线电缆型号RS485-4*2.5
can总线电缆型号RS4854芯-2*2*0.75 can总线电缆型号RS4854芯-2*2*0.75
can总线电缆型号RS485-53-2*2.5+2*0.3 can总线电缆型号RS485-53-2*2.5+2*0.3
can总线电缆型号RS485-6*0.2 can总线电缆型号RS485-6*0.2
can总线电缆型号RS485-8*0.34 can总线电缆型号RS485-8*0.34
can总线电缆型号RS485-9841 can总线电缆型号RS485-9841
can总线电缆型号RS485-9843#3*2*24AWG can总线电缆型号RS485-9843#3*2*24AWG
can总线电缆型号RS485ASTP-2*2*24AWG can总线电缆型号RS485ASTP-2*2*24AWG
can总线电缆型号RS485P-2*0.5 can总线电缆型号RS485P-2*0.5
can总线电缆型号RS485-STP-120-2*0.3 can总线电缆型号RS485-STP-120-2*0.3
can总线电缆型号RS485STP-120-2*1.5 can总线电缆型号RS485STP-120-2*1.5
can总线电缆型号RS485SWA-2*18AWG can总线电缆型号RS485SWA-2*18AWG
can总线电缆型号RS485ZR-RVSP-2*1.5 can总线电缆型号RS485ZR-RVSP-2*1.5