{"product_id":"rs485-to-rj45-ethernet-module-common-ethernet-port-b","title":"RS485 to RJ45 Ethernet Module - Common Ethernet Port (B)","description":"\u003cp\u003eThis is an RS485 device data acquisitor \/ IoT gateway designed for the industrial environment. It combines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON and more.\u003c\/p\u003e\n\u003cp\u003eThe module features RS485 and Ethernet ports, uses screw terminals for power input and supports 9~24V wide-range power supply in a rail-mount flame-retardant case design.\u003c\/p\u003e\n\u003cp\u003eSmall in size and easy to install, it is suitable for applications such as data acquisition, IoT gateways, safety \u0026amp; security IoT and intelligent instrument monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis is the 'B' version, which accepts a 9 ~ 24V power supply, and comes without isolation protection. \u003c\/strong\u003eWe also stock the 'C' version, which accepts 6-36V and includes protection.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial Serial Server\u003c\/li\u003e\n\u003cli\u003eRail-mount\u003c\/li\u003e\n\u003cli\u003eRS485 to RJ45 Ethernet\u003c\/li\u003e\n\u003cli\u003eTCP\/IP to Serial\u003c\/li\u003e\n\u003cli\u003eModbus Gateway\u003c\/li\u003e\n\u003cli\u003eMultiple Communications\u003c\/li\u003e\n\u003cli\u003eTerminal Power in\u003c\/li\u003e\n\u003cli\u003eRJ45 Ethernet\u003c\/li\u003e\n\u003cli\u003eMQTT \u0026amp; JSON\u003c\/li\u003e\n\u003cli\u003eMulti-host Support\u003c\/li\u003e\n\u003cli\u003eMulti Features\u003c\/li\u003e\n\u003cli\u003eHost\/Webpage Config\u003c\/li\u003e\n\u003cli\u003eIndustrial Quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeature Detail\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary Function \u003c\/strong\u003e- Bi-directional transparent data transmission between RS485 and ethernet.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Industrial Serial Server primary function\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/waveshare-industrial-serial-server-10_1.jpg?v=1641831146\u0026amp;width=700\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRail-Mount Support\u003c\/strong\u003e - Easy to combine multi rail-mounted serial servers together.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Industrial Serial Server rail mount\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/waveshare-industrial-serial-server-11_1.jpg?v=1641831227\u0026amp;width=700\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModbus Gateway Support\u003c\/strong\u003e - Suitable for Modbus gridding upgrade, can be used with 3D configuration software.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/waveshare-industrial-serial-server-12_1.jpg?v=1641831338\u0026amp;width=700\" alt=\"Industrial Serial Server Modbus\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulti Communication Modes\u003c\/strong\u003e - Supports TCP Server \/ TCP Client \/ UDP Mode \/ UDP Multicast.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/waveshare-industrial-serial-server-13_1.jpg?v=1641831560\u0026amp;width=700\" alt=\"Industrial Serial Server TCP UDP\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMQTT\/JSON To Modbus\u003c\/strong\u003e - More flexible conversion between different protocols.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/waveshare-industrial-serial-server-14_1.jpg?v=1641831633\u0026amp;width=700\" alt=\"Industrial Serial Server MQTT\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhen used as an MQTT gateway\u003c\/strong\u003e, the devices can upload serial data to the MQTT server by MQTT protocol through transparent transmission, supported servers including Baidu Cloud MQTT, Alibaba Cloud MQTT, China Mobile OneNet, etc. The acquired Modbus RTU or non-standard serial data can be parsed into JSON format and packaged into an MQTT data packet for uploading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhen used as JSON data acquisition gateway\u003c\/strong\u003e, the devices can be connected to data acquisition instruments through RS485 connection, then acquire data automatically, convert the data into JSON format, and finally post it to server. The acquired data supports Modbus RTU 645 instrument 97 version, 645 instrument 07 version, as well as sorts of non-standard RS485 protocols. The uploaded data format can be configured via host, and the JSON upload protocol can be MQTT protocol, HTTP POST protocol, HTTP GET protocol and so on.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMulti Hosts Roll-Polling Support\u003c\/strong\u003e - Different network devices will be identified and respond respectively, no more crosstalk issues while communicating with multi-network devices.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Industrial Serial Server roll-polling\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/waveshare-industrial-serial-server-15_1.jpg?v=1641831797\u0026amp;width=700\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUser-Defined Heartbeat\/Registration Packet\u003c\/strong\u003e - Easy for cloud communication and device identification.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Industrial Serial Server Heartbeat\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/waveshare-industrial-serial-server-16.jpg?v=1641831857\u0026amp;width=700\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNTP Protocol Support\u003c\/strong\u003e - Getting network time info for serial output or data upload.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulti Configuration Methods \u003c\/strong\u003e- Supports web browser configuration, obtaining dynamic IP via DHCP, DNS protocol connected domain server address.\u003c\/p\u003e\n\u003ch2\u003eInterface\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"Industrial Serial Server Interface\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/waveshare-industrial-serial-server-17_1.jpg?v=1641832051\u0026amp;width=700\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x RS485 to Ethernet (B) Unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Wiki\u003c\/li\u003e\n\u003cli\u003eManual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable width=\"676\" style=\"height: 378px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd colspan=\"2\" style=\"text-align: center; height: 18px; width: 670px;\"\u003e\u003cstrong\u003eOutline\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eCommunication interface\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003eRS485, screw terminal, supports 32x slave devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003ePower supply\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003e9 ~ 24V DC, screw terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003eL × W × H: 87 × 36 × 59 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd colspan=\"2\" style=\"height: 18px; width: 670px; text-align: center;\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eEthernet\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003e10 \/ 100M auto-negotiation RJ45 connector, 2 KV surge protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eSerial port\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003eRS485 × 1: RXD, TXD, GND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd colspan=\"2\" style=\"height: 18px; width: 670px; text-align: center;\"\u003e\u003cstrong\u003eSerial Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eBaudrate\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003e300 ~ 115200 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eParity bit\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003enone, odd, even, mark, space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eData bit\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003e5 ~ 9 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eFlow control\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd colspan=\"2\" style=\"height: 18px; width: 670px; text-align: center;\"\u003e\u003cstrong\u003eSoftware\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eProtocol\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003eETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eConfiguration\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003ehost, web browser, device management functions library\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eCommunication method\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003eTCP\/IP direct communication, VCOM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eOperating mode\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003eTCP server, TCP client (coexisting with TCP server), UDP, UDP multicast\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd colspan=\"2\" style=\"height: 18px; width: 670px;\"\u003eEnvironment Requirement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eOperating temperature\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003e-40℃ ~ 85℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eStorage temperature\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003e-45℃ ~ 165℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18px;\"\u003e\n\u003ctd style=\"height: 18px; width: 170.641px;\"\u003eHumidity range\u003c\/td\u003e\n\u003ctd style=\"height: 18px; width: 495.359px;\"\u003e5% ~ 95% relative humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":48624283058394,"sku":"ivy1789688771832","price":17.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/8318\/3834\/files\/rs485-to-rj45-ethernet-module---common-ethernet-port-b_1.jpg?v=1789688778","url":"https:\/\/memoryfoamwear.shop\/products\/rs485-to-rj45-ethernet-module-common-ethernet-port-b","provider":"My Store","version":"1.0","type":"link"}