RS-485 communication cable in general occasion using twisted pair can be, but under the high requirement of environment can be using tape shielded twisted pair cables.
485通讯电缆在一般场合采用双绞线就可以，但在要求比较高的环境下可以采用带屏蔽层的双绞电缆。
Optical fiber communication mode is adopted in main channels, RS-485 communication mode using shielding twisted pair lines is employed in branch channels, and detailed descri…
在系统主干线通道上采用光纤通信方式，对于分支通信采用屏蔽双绞线以RS-485方式通信，并对网络体系结构作了详细的描述。
Optical fiber communication mode is adopted in main channels, RS-485 communication mode using shielding twisted pair lines is employed in branch channels, and detailed descri…
在系统主干线通道上采用光纤通信方式，对于分支通信采用屏蔽双绞线以RS-485方式通信，并对网络体系结构作了详细的描述。
应用推荐