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目录一．概述： (2)二．性能参数： (2)三．接线端子说明： (3)四．通讯波特率设置： (3)五．CHD-485HUB包装清单： (4)六．使用CHD-485HUB优点 (5)七．使用CHD-485HUB RS485网络集线器扩展网络 (5)一．概述：CHD-485HUB RS485网络集线器是专门为扩展RS485通信能力、延长通信距离以及便于组网而设计的，它是远距离控制设备一点对多点RS485网络最佳的扩展组网中继设备。
具有以下功能：●将标准RS232转换成4路独立的RS485，扩展RS485联接能力及设备数量，节省RS232-RS485转换器，同时也避免串口窃电所带来的不稳定性；（可直接与PC机串口联接）●把一路RS485输入线接入主路RS485，扩展成4路相互独立的RS485，提升RS485通信能力及增加联接设备数量、延长通信距离。
（方便树型结构组网）二．性能参数：※接口兼容EIA/TIA之RS232和RS485标准；※标准RS232转四路相互独立RS485或一路RS485扩展四路相互独立RS485，二者选其一；※四路输出之间的接地相互隔离，提高设备的抗干扰能力和通讯的稳定性；※通讯速率：4800/9600/19200/38400BPS 可通过拔档开关设定，出厂缺省为9600BPS；※通信格式：1起始位，8数据位，1停止位，无校验位，支持国家邮电总局YDN023-1996标准。
※宽范围供电：直流10～35V，功耗小于1瓦；※接口保护措施：三级防雷保护，过流保护（自复保险丝），+/-15KV ESD静电放电保护，瞬态过压600瓦保护（即浪涌抑制）；※每路RS485最多可并挂32台联网设备；每路通讯距离最大为1200米；※工作电流：静态时为25mA；※使用环境：-20℃到70℃，相对湿度为5% 到 95%，产品采用100%防潮处理适合比较恶劣的环境工作；※外形尺寸：150mm x 100mm x 35mm※状态指示：“PWR”电源指示灯---供电正常该绿色指示灯亮；“LED”红色通讯指示灯---平时不亮，只有通讯正常收发数据时不停闪烁；（当哪一路输出发生短路时，该路输出的红色指示灯也不停闪烁，注意区别通讯正常与短路闪灯的状态）。
电源 上联口
8口集线器（HUB ）使用说明书
◆8口集线器功能简介
8口集线器外观如下图，提供1个数据接入口，7个用户接口，速率10Mbps 。
可以组建小型的家庭局域网，满足多电脑上网需求。
端口的链路/收发指示灯（Link/Receive ）动态显示链路的连接情况（灯亮）以及数据收发情况（灯闪）。
◆线路连接
集线器背面接线图如下：
端口1为数据上联口，连接宽带接口/ADSL Modem 等网络设备，提供以太网数据接入。
端口2～8为7个用户接口，连接电脑或在集线器级联时连接下级集线器。
电源为直流7.5V/1A ，可由模块所配的稳压电源供给或由其他配线箱外引入电源（电源可通过暗管或配线箱面板右下方的进入孔引入箱中）。
数据端口采用标准RJ －45接口，连接交换机等网络设备时采用交叉网线，连接电脑等终端设备时采用直连网线，最大连接距离100m 。
网线制作请咨询网络专业人士；连接好网线两端接口，网线制作有误，该端口的指示灯不亮。
8 Channel RS485 Relay Manual/v_show/id_XMTM0ODY4NzkxMg==.html ∙2CH RS485 Relay Modbus Poll Enter(Usage 2-channel and 8-channel is the same):/v_show/id_XMTM0ODY4OTg5Mg==.htmlFeatures:1: DC 12V power supply (voltage range 9-13V )2: Standby current (all relays closed) 12MA, 1 relay open 40MA, 2 relays open 67MA, 3 relays open 95MA,4 relays open 121MA,5 relays open 147MA,6 relays open 173MA, 7 relays open 198MA,8 relays open 223MA3: "open" "close" "Momentary" "Self-locking" "Interlock" "Delay" 6 Commands4: MODBUS RTU command5: Under the "Delay" command ,the maximum delay is 255 seconds6 MODBUS commands can be made serial HyperTerminal (serial assistant) OR "Modbus Poll"Enter;7 Under the MODBUS command mode, it can support up to 64 devices in parallel8 Size: 90 * 62 * 19.5mm9 Weight: 115 g10 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDCGlossary:NO : Relay normally open contactCOM : Relay common contactNC : Relay normally closed contactOpen : NO connection COM, NC disconnect COMClose : NO disconnect COM, NC connection COMMomentary : Enter the Momentary command, the Rreceiver Relay is Open, delay of 0.5 seconds after, Relay is Close;Toggle : Enter the Toggle command, the Rreceiver Relay is Open, Enter the Toggle command again, Relay is Close;Latched : Enter the Channel 1 Latched command, the receiver Channel 1 is Open, the Channel 2 is Close.Enter the Channel 2 Latched command the receiver Channel 2 is Open, the Channel 1 is Close. Enter the Channel 3 Latched command the receiver Channel 1 is Close, the Channel 2 is Close.Delay : Enter the Delay command, the Rreceiver Relay is Open, delay of 0-9999 seconds(MODBUS command is 0-255 seconds )after, Relay is Close;During the delay, Eter the Close command, immediately close the relaySlave ID: A0-A5 is the slave ID, you can choose 64 different slave ID.Under the MODBUS command mode,the slave ID must be correctcommand Description, Please refer to "8 Channel RS485 Relay Command"Typical applications:MODBUS command mode (HEX), you can control a variety of ways: Serial Hyper Terminal Control (need to manually add the CRC), Modbus Poll software control (software automatically add the CRC), PLC or MCU process controlWiring Diagram:1 DC 12V control circuit,Wiring diagram below. "LOAD" may be camera,LED lights, fans, motors and other DC 12V equipment2 DC 1-100VAC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). "LOAD" may be LED lights, fans, motors Lights, fluorescent lights, solar water heaters and other DC AC equipment。
RS485集线器使用说明书（工业级、隔离式一、概述天津三格电子的MS-HUB是一款可通过一路RS-485，一路RS-232为主口扩展出7路RS-485从口的工业级光电隔离型RS-485分配器。
可以有效的实现RS-485网络的中继、扩展与隔离。
采用先进的自动流控技术自动侦测RS-485信号流向。
MS-HUB具备光电隔离功能，电气特性可靠。
每个RS-485口拥有600W TVS防雷保护，使RS-485系统更安全，同时也增加了产品自身的使用寿命。
二、规格与特性电源：宽电源供电，7-36V直流电源，电源带防止反接功能。
接口：上位机接口为一路RS-232，一路RS-485。
下位机接口为7路RS-485。
传输速率：RS-232最高可以达到115200bps；RS-422 、RS-485最高可以达到500Kbps。
速率完全自适应通信方式：RS-232为全双工/ RS-485为半双工。
通信距离：可以达到2000米。
支持点数：每个端口最大32个节点接入。
保护：485 短路保护功能，15KV静电保护，600W浪涌保护，上位机接口和下位机接口具备1KV的隔离，板卡电气特性稳定。
环境温度：-40---60°CMB：130其二二零八零83存储温、湿度：-20---50°C 5%---90%体积：长120mm 宽85mm 高25mm四、LED指示灯POWER：电源指示灯；RS485_1_LED：闪烁表示RS485_1有数据收发；RS485_2_LED：闪烁表示RS485_2有数据收发；RS485_3_LED：闪烁表示RS485_3有数据收发；RS485_4_LED：闪烁表示RS485_4有数据收发；RS48_5_LED：闪烁表示RS485_5有数据收发；RS485_6_LED：闪烁表示RS485_6有数据收发；RS485_7_LED：闪烁表示RS485_7有数据收发；五、装修清单AC220V/DC 9V电源适配器一个，使用说明书一份（销售日期，作为保修的依据），集线器一台。
2022.07.12 V1.03 Guangzhou ZHIYUAN Electronics Co.,Ltd.第1页 共5页输入特性参数 符号 条件 最小值 典型值 最大值 单位输入电压V CC RSM3485IDHT 3.15 3.3 3.45 VDC RSM485IDHT4.75 55.25 TXD 逻辑电平高电平 V IH 0.7V CC -- V CC +0.5 低电平 V IL 0 -- 0.3V CC RXD 逻辑电平高电平 V OH I RXD =-1.5mA V CC -0.4 V CC -0.2 -- 低电平V OL I RXD =1.5mA-- 0.2 0.4 TXD 驱动电流 I TXD 2 -- -- mA RXD 输出电流 I RXD -- -- 10 TXD 上拉电阻R TXD--4.7--k Ω 串行接口RSM3485IDHT 3.3V 标准UART 接口 RSM485IDHT5V 标准UART 接口产品特性—————————————————◆ 单一输入电源供电 ◆ 无隔离输出电源脚 ◆ 两路RS-485通道相互隔离 ◆ 自动收发数据功能 ◆ 最多可连接32个节点 ◆ 电磁辐射EME 极低 ◆ 电磁抗干扰EMS 极高◆集成电源隔离、信号隔离和总线ESD 保护功能产品应用————————————————◆ 工业通讯 ◆ 煤矿行业 ◆ 电力监控 ◆ 石油化工 ◆ 楼宇自动化◆ PLC 与变频器的通信 ◆……产品系列————————————————产品型号 温度范围 隔离耐压 封装 RSM3485IDHT -40℃～+85℃ 2500VDC DIP12 RSM485IDHT-40℃～+85℃2500VDCDIP12产品型号———————————————————————————————————————产品型号 电源电压(范围)(VDC) 静态电流 (mA,Typ) 最大工作电流(mA)传输波特率 (kbps) 节点数 (pcs) 类型 RSM3485IDHT 3.3 (3.15-3.45) 20 200 115.2 32 高速 RSM485IDHT 5(4.75-5.25)18150115.232高速参数符号条件最小值典型值最大值单位内置隔离输出电源电压V O标称输入电压4.9 5.1 5.3VDC差分输出电压（A-B）V OD 1.5 -- V O差分输出电流（A-B）I OD 标称输入电压，差分负载为54Ω 28 -- -- mA 总线接口保护ESD静电保护传输特性参数条件最小值典型值最大值单位内置上下拉电阻-- 4.7 --kΩ收发器输入阻抗-7V≤V CM≤+12V 48 -- --数据发送延时-- 1000 --ns 数据接收延时-- 80 --真值表特性收发功能输入输出发送功能TXD A B 1 1 0 0 0 1接收功能V A-V B RXD ≥+200mV 1≤-200mV 0-200mV＜V A-V B＜+200mV 不确定状态极限特性参数条件最小值典型值最大值单位输入冲击电压(1)（1s，max）RSM3485IDHT -0.7 -- 5VDC RSM485IDHT -0.7 -- 7引脚焊接温度焊点距离外壳1.5mm，10秒-- -- 300 ℃热插拔不支持一般特性参数条件最小值典型值最大值单位隔离电压输入-输出，时间1分钟，漏电流小于1mA 2500 -- -- VDC 绝缘电阻输入-输出，绝缘电压500VDC 1 -- -- GΩ 封装尺寸19.90×16.90×7.10 mm 外壳材料黑色阻燃塑胶外壳，符合UL94 V-0标准环境特性参数条件最小值典型值最大值单位工作温度-40 -- +85℃存储温度-55 -- +125外壳温升Ta=25℃-- 15 25存储湿度无凝结-- -- 95 % 冷却方式自然空冷EMS静电放电抗扰度IEC/EN 61000-4-2 Contact ±4KV/Air ±8KV(裸机) (2) Perf.Criteria B IEC/EN 61000-4-2 Contact ±8KV/ Air ±15KV(图2/图3) Perf.Criteria B 脉冲群抗扰度 IEC/EN 61000-4-4 ±2KV (2)Perf.Criteria B 雷击浪涌抗扰度 IEC/EN 61000-4-5 共模 ±2KV(裸机) (2)Perf.Criteria B IEC/EN 61000-4-5 差模 ±2KV ，共模 ±4KV(图2/图3)Perf.Criteria B 传导骚扰抗扰度IEC/EN 61000-4-6 3Vr.m.s (2)Perf.Criteria A注：（1）输入电压不能超过所规定范围值，否则可能会造成永久性不可恢复的损坏；（2）此参数仅限于RS-485通信端口，Ax 、Bx 或Gx ；测试均为RS-485端口浮地，通信状态下测试； （3）如没有特殊说明，本手册中的参数都是在25℃，湿度40%~75%，输入标称电压下测得。
CANHub-AS8高性能八通道CAN 集线器UM01010101 1.04 Date:2023/3/1©2023 Guangzhou ZHIYUAN Electronics Co., Ltd.修订历史目录1. 功能简介 (1)1.1产品概述 (1)1.2产品特点 (2)1.3产品规格 (2)1.3.1电气参数 (2)1.3.2工作温度 (2)1.3.3防护等级 (3)1.4机械安装尺寸 (3)1.5典型应用 (3)2. 设备硬件接口说明 (4)2.1电源接线 (4)2.2终端电阻拨码开关 (4)2.3CAN通讯接口 (4)2.4信号指示灯 (5)2.5系统连接 (6)3. 驱动程序安装 (7)3.1安装配置软件 (7)4. 快速使用指南 (9)4.1获取设备基本信息 (9)4.2管理设备配置 (11)4.3配置参数说明 (12)4.3.1波特率与终端电阻 (12)4.3.2滤波 (13)4.3.3帧映射 (15)4.3.4路由 (19)4.4查看各通道状态 (20)4.5升级固件 (21)5. 检查和维护 (25)6. 装箱清单 (27)7. 免责声明 (28)1. 功能简介1.1 产品概述本产品实现8通道CAN集线器功能，实现8个通道CAN帧接收、缓存、帧映射、帧转发等功能。
通过UART（USB或RS232）使用类似ModBus协议与上位机通信，实现CANHub-AS8的功能配置。
CANhub-AS8能实现多个CAN网络的透明连接，可以在总线级别实现复杂结构的多点连接；CANhub-AS8使得主干网络没有支线长度限制，网络中任意两个节点可以到达协议距离，该设备具有8个通信端口，每个端口都有独立的CAN收发器，能倍增节点数目，因此，在提供自由的布线方式的同时，也解除了系统总线上CAN收发器最大节点数驱动限制。
每个端口还具备检测总线活跃及总线故障指示灯，方便观察CAN总线网络工作状态。
Introduction of USB-8COMi-MThe USB to industrial Octal RS-422/485 Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Serial Adapter instantly adds 8 RS-422/485 multi-electrical interface serial communication ports to your system. By taking advantage of the USB bus, the USB-8COMi-M Adapter makes it easier than ever to add 8 RS-422/485 ports and serial devices to your system with easy plug-and-play and hot plug features. Adapting the new technology, the serial port expansion now takes the new bus with easy and convenient connectivity.Plugging the USB 8-Port RS-422/485 Adapter to the USB port, the adapter is automatically detected and installed. There are no IRQ & COM port conflicts, since the port doesn't require any additional IRQ, DMA, memory as resources on the system. The RS-422/485 port functions as native Windows COM port, and it is compatible with Windows serial communication applications. Each port is individually configurable. The adapter is designed with external switches to set the RS-422 or RS-485 ports and different operation modes conveniently. There is no need to open the chassis to set the ports.The USB Serial Adapter provides instant connectivity to RS-422 or RS-485 communication devices for factory automation equipment, multi-drop data collection devices, barcode readers, time clocks, scales, data entry terminals, ATMs and serial communication in harsh environment. The USB to Serial Adapter is suitable for remote access, retail and industrial application, data collection and other applications requiring high speed RS-422/485, communication ports. Specifications & Features●Adds eight high speed RS-422 / 485 serial ports via USB connection.●384 byte receive buffer.●128 byte transmit buffer for high speed data throughput.●Requires no IRQ, DMA, I/O port.●Data rates: 300 bps to 921.6K bps.●Serial Connector: one DB-9 male connector.●Auto transmit buffer control for 2-wire RS-485 half-duplex operation.●Termination resistors installed on-board.●RS-422 data signals: Tx-, Tx+, Rx+, Rx-, GND, RTS-, RTS+, CTS+, CTS-.●RS-485 data signals: Tx-, Tx+, Rx+, Rx-(4 wire) and data-, data+ (2 wire).●Monitor LEDs of TxD, RxD indicating port status.●Power Supply: provides an external DC12V power adapter●Virtual COM port drivers available for Windows 7, Vista, 2003, XP, 2000.Hardware InstallationOutside the unit, there are eight 3-pin DIP switches which are set to select the mode of operation. You will need to set the switch settings to RS-422 or RS-485 mode as per the requirements of your application.You need to install driver first, prior to hardware installation. After the setting of DIP switches and connecting power cord to the adapter, you then plug the adapter to USB port to start driver installation.The Mode Block Configuration Settings are listed as follows:SW1 (Port-1), SW2 (Port-2), SW3 (Port-3), SW4 (Port-4)SW5 (Port-5), SW6 (Port-6), SW7 (Port-7), SW8 (Port-8)JP3 (Port-1), JP4 (Port-2), JP5 (Port-3), JP6 (Port-4)JP7 (Port-5), JP8 (Port-6), JP9 (Port-7), JP10 (Port-8)for Termination and Biasing Option ConfigurationInside the unit, there are eight 2 x 7 (14 pin) header blocks which are jumpered to enable Tx, Rx, CTS 120 Ohm termination resistors and Tx, Rx 750 Ohm BIASing resistor.You will need to open up the metal case and set the jumper setting for RS-422 mode or RS-485 mode as per the requirements of your application.Settings are listed as follows:Note: Sometimes, when operating in RS-422 or RS-485, it is necessary to configure termination and biasing of the data transmission lines. Generally this must be done in the cabling, since this depends on the installation of connections. Before applying the option, check your cable specification for proper impedance matching.You need to have administrator privileges to install any new drivers under Windows 7/ Vista / 2003 / XP / 2000. To install the driver or update the configuration please log onto Windows as "Administrator" or ask your system administrator to install the USB-COM driver.You need to install driver first, prior to hardware installation. Do not connect the USB-to-Serial Adapter to the USB port of your computer, before you finish driver installation.Please proceed with the following steps to install the driver:1. Insert the “USB COM Series Driver and Utility” CD into your CD-ROM.2. The “USB COM Series Driver and Utility CD” dialog box appears.3. Under “Driver Installation”, double click “Windows 7, Vista, 2003, XP, 2000driver” to install the device driver.4. The USB COM install program will auto-detect the OS type and install thedriver automatically. (Note: in Windows 7 or Vista OS you will find anotherdialog box, please click on “OK” to confirm the drivers install program).5. After the message “FTDI CDM Driver installation process completed”appears, press “Enter” to complete the driver installation.6. Plug in the USB to Serial Adapter to the USB port of your computer.Windows will finish installing the driver files.Check InstallationYou can now verify the installation has been completed successfully by looking under Device Manager of the System Properties screen. (Go there by Start-Setting- Control Panel-System Properties-Hardware-Device Manager.The device should have installed as a "USB Serial Port (COMx)" attached to "USB Serial Converter A/B/C/D".Change COM Port Properties & COM Port NumberThis feature is particularly useful for programs, such as HyperTerminal, which only work with COM1 through COM4. Please ensure that you do not change the COM Port Number already in use.To change the virtual COM port properties:●Select the "USB Serial Port"●Click “Properties”.●Select "Port Setting" and “Advanced”.●Click the drop down arrow on COM Port Number and scroll to the required COMport. Select "OK".●Return to the Device Manager Screen. You will see that the USB Serial Portinstallation has been changed to the new COM Port Number.Uninstalling Windows 2003/XP/2000 DriversPlease proceed with the following steps to uninstall the 2003/XP/2000 driver:1. Insert the “USB COM Series Driver and Utility” CD into your CD-ROM.2. The “USB COM Series Driver and Utility CD” dialog box appears.3. Under “Driver Uninstalling”, double click “Windows 2003, XP, 2000 driveruninstall” to uninstall the device driver.4. When following dialog box appears, double click “Clean System” touninstall the 2003/XP/2000 drivers.5. You need to disconnect all USB to serial Adapters from your PC, when themessage below appears. Double click “OK” to start uninstalling Windows2003/XP/2000 USB to Serial drivers.6. Double click “Yes” to confirm it.7. Click “No” to proceed.8. When the message “Status: System clean completed” appears, double click“Exit” to complete the USB to serial drivers uninstall.9. Press “Start” button and select “Control Panel”.10. Open the Add or Remove program.11. Remove the first “Windows Driver Package – FTDI CDM Driver Package (…)”.12. Click “Chang/Remove” and “Yes” to remove the first Windows DriverPackage.13. Remove the second “Windows Driver Package – FTDI CDM Driver Package(…)”.14. Click “Chang/Remove” and “Yes” to remove the second Windows DriverPackage.15. Reboot the computer to complete the driver uninstall.Uninstalling Windows 7 or Vista DriversWindows 7 and Vista have many new security features. You need to proceed with the following steps to uninstall the Vista driver:1. The USB to serial devices must connect to the PC.2. Press “Start” button and select “Control Panel”.3. Select “Classic View” from the top left hand corner and then “System” fromthe list.4. Select “Device Manager” from the top left hand corner.5. Locate your Device under the Ports (COM & LTP) section and right click onit to bring up the menu shown.Note: if you have more than one USB Serial Port (COMx) installed in your PC, you need to repeat from step 5 to step 6 to delete the driver software for each port.7. Locate your Device under the Universal Serial Bus Controllers section, andright click on it to bring up the menu shown.Note: if you have more than one USB Serial Converter installed in your PC, you need to repeat step 7 and step 8 to delete the driver software for all devices.RS-422 Signal Pin-outs of DB-9 MaleRS-422 Signal Wiring● Point- to- Point 4 Wire Full Duplex● RS-422 with Handshaking2 TxD+(B) RxD+ (B) RxD- (A) TxD+(B) TxD- (A) GND USB-8COMi-M RS-422 Device1 TxD- (A) 3 RxD+ (B) RxD- (A) 5 GND 7 RTS+(B) CTS+(B) 6 RTS- (A) CTS- (A) 8 CTS+(B) RTS+(B) 9 CTS- (A)RTS- (A)4 2 TxD+(B) RxD+ (B) RxD- (A) TxD+(B) TxD- (A)GNDUSB-8COMi-M RS-422 Device 1 TxD- (A) 3 RxD+ (B) RxD- (A)5 GND 4RS-485 4-Wire (Full duplex) Signal Pin-outs of DB-9 MaleRS-485 2-Wire (Half duplex) Signal Pin-outs of DB-9 MaleRS-485 Signal WiringPoint-to-Point 4-Wire Full Duplex2 TxD+(B) RxD+ (B)RxD- (A) TxD+(B) TxD- (A) GNDUSB-8COMi-M RS-485 Device1 TxD- (A) 3 RxD+ (B) RxD- (A) 5 GND4Multidrop RS-485 2-Wire Half-duplexAll brand names and trademarks are the property of their respective owners.Manual Part No. USBG051Data+(B) Data- (A) GND| | | | |Data+(B) Data- (A) GNDUSB- 8COMi-M2 Data+(B 1 5 GND。
