<pre id="5xzxv"></pre>

          <pre id="5xzxv"></pre>

                Concentrator Model:LDK-A00L01 Brand:LD

                Introduction:Industrial Hub, Eight-way Interface, One-way Uplink Interface, Photoelectric Isolation, Fault Alarm, Electrostatic Protection, Surge Protection

                Return list

                RS485 Hub is an industrial grade RS485 hub, which has 8-ch completely isolated RS485 interfaces and 1-ch uplink RS485 interface. The RS485 interface adopts industrial terminal, which provides safety, stability and convenience for on-site wiring. RS485 Hub adopts standard rack chassis and adopts 8-24VAC and 9-30VDC two optional external power supply modes to meet the needs of users in different industries. RS485 Hub adopts full isolation protection structure, that is, each channel RS485 interface adopts continuous 1000V photoelectric isolation to ensure the stability of each channel RS485 interface under harsh environment. At the same time, each channel RS485 interface is equipped with fault isolation and short circuit protection of signal line. When the interface of the lower device is faulty or the signal line is short-circuited, the communication of this channel will be automatically excluded to ensure the normal communication of other channels and ensure the normal communication of the entire RS485 network.

                Product Features:

                Fully photoelectric isolated between the serial ports and between the slave/master serial ports. At the same time, the power supply of master and slave serial ports is also effectively isolated;

                The maximum rate of the master serial port is 115200 bps, and the maximum rate of the slave serial port is 115200 bps, which is transparently transmitted without changing the user communication protocol and data.

                Improves the serial port fault alarm prompt function. When a slave serial port fails (short circuit and disconnection, etc.), the corresponding indicator light will be alarmed (lights red), and the faulty slave serial port does not affect the normal communication of other slave serial ports;

                RS485 Hub is highly compatible, which implement the design of physical layer without high-level protocols, and is compatible with any serial port data transmission protocol;

                Supports strongly expandable, which can expand multiple (model) series devices through one serial port in the master serial ports, so as to realize superimposition of multiple devices and increase the access channels of the slave serial ports;

                Supports flexible access mode, which can realize multiple access modes such as 1-ch master serial port with 8-ch slave serial ports, 8-ch master serial ports with 1-ch slave serial port and extended stack, etc., to meet the requirements of industrial control and security comprehensive wiring access;

                The serial ports have high integration, and the data is switched from 1-ch master serial port to 8-ch slave serial port communication. If the expansion mode is set, more access from slave serial port can be realized.

                It can realize the repeater function of 485 signal long-distance transmission, effectively extend and guarantee the normal 485 data communication;

                15KV electrostatic protection, 600W surge protection and other efficient and reliable circuit protection.

                Copyright 2017 ? 天津市聯大通訊發展有限公司 津ICP備14002622號-1 Technical support: fast help cloud

                  <pre id="5xzxv"></pre>

                        <pre id="5xzxv"></pre>

                              中文字幕在线观看|t7t692 国产无遮挡又黄又爽又色|tvv944 黄色视频在线免费观看|7vt551 国产色婷婷一区二区三区|xv7540 www.色小姐|vtt361 毛片免费看|x6v195 AV免费在线观看|xtx851 久草av|6xx82 38在线电影|xt6535 三级片免费|txv199 免费黄色网址|t6x468 亚洲色网站|vxv705 97视频在线观看|xvx376 菠萝蜜视频在线观看|6xt27 在线视频精品|xt6699 香蕉视频app下载|xtt181 凌晨三点日本无吗|xt7682 最近2019年手机中文字幕|xvx184 日本亲近相奷中文字幕|x5v271 免费a片在线观看|vxt719 国产乱真实伦精彩对白在线|5xt805 草莓视频成人版|vv5513 国产乱真实伦精彩对白在线|vxv246 精品国产伦一区二区三区在线观看|v5t496 最近2019年手机中文字幕|ttx992 99er热精品视频国产免费|xxt509 AV免费观看|6xx659 黄网站免费|vv6618 中文字幕av|vtv985 最近中文字幕大全免费1|v4t748 亚洲性视频|xtt118 亚洲色网站|4tx881