国产成人av麻豆精选_国内丰满少妇一级毛片_国产亚洲欧美精品永久国产经典在线观看一区_欧美+日韩+国产在线_5月亚洲激情婷婷色丁香网_国产精品无码小视频免费_一区二区免费网站_国产另类乱子伦精品免费女_wwwvr高清亚洲精品二区_亚洲色图综合在线

Shenzhen yantong Technology Co., Ltd.

Are you here:HomeSupport > FAQsFAQs

[2014-07-28]The use of fiber optic transceivers should pay attention to ...

Fiber optic transceivers have different classifications, but the actual use in most attention is classified according to different categories of optic...[View details]

[2014-07-28]Why serial photoelectric isolation?

As the name suggests, is the main role of isolation! The purpose of the interference source and interference of isolated from the circuit, the control...[View details]

[2014-07-28]RS485 communication to the terminal?

In the RS485 (RS485 converter) during the process of constructing network another idea problem is the terminal load resistance, less equipment in shor...[View details]

[2014-07-28]How do the configuration software RS485 communication?

A, use the configuration software for monitoring project, mainly from the field instrument data, the instrument has 485 interface, but not the instrum...[View details]

[2014-07-28]The USB data line connection cannot be communication is what...

Data communication failures can be checked as follows: The first step: to plug USB port, to allow the computer to search equipment. The second step: r...[View details]