{"product_id":"dual-ethernet-ports-8-ch-relay-module-c-modbus-rtu-protocol-poe-power-supply","title":"Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply","description":"\u003ch2 style=\"text-align: center;\"\u003eDual Ethernet Ports 8-ch Relay Module (C)\u003c\/h2\u003e\n\u003ch3 style=\"text-align: center;\"\u003eWith Digital Input\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eEthernet Port Communication, Supports Ethernet Port Cascade,\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eModbus Protocol, PoE Power Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"8-ch Ethernet Relay Module (C), front view\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-1.jpg\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eThis product is an 8-ch relay module designed for industrial environments, featuring dual Ethernet interfaces control and 8 digital inputs. It adopts Modbus RTU \/ Modbus TCP protocols, supports Ethernet port cascade and PoE power supply, also comes with an ABS rail-mount case.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eThe Modbus POE ETH Relay (C) is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and\/or applications with high communication requirements.\u003c\/p\u003e\n\u003ctable style=\"width: 82.1429%; border-collapse: collapse; border: 1px solid rgb(0, 0, 0); height: 362px; margin-left: auto; margin-right: auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 100%;\"\u003eDual Ethernet ports design, supports Ethernet communication cascade and PoE power supply cascade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 100%;\"\u003eFlash-on \/ flash-off function for timed relay control via command arguments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 19.5938px; width: 100%;\"\u003eSupports DC 7~36V wide range power input and PoE power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 100%;\"\u003eSupports relay control through MQTT protocol with Alibaba Cloud MQTT demo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 19.5938px; width: 100%;\"\u003eOnboard optocoupler isolation to prevent high-voltage interference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 100%;\"\u003eDedicated relay driver chip with flyback diode protection for stable operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 100%;\"\u003eSupports passive and active digital input with bi-directional optocoupler isolation and debouncing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 19.5938px; width: 100%;\"\u003eReverse-proof circuit to prevent damage from incorrect connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 19.5938px; width: 100%;\"\u003eHigh-quality relay, contact rating ≤10A 250VAC \/ 30VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 19.5938px; width: 100%;\"\u003eRail-mounted ABS plastic enclosure for easy installation and safety\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 100%;\"\u003e4 LEDs and network indicators for MCU status and signal transmission status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003ePrimary Function\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eSupports reading digital input by sending Modbus protocol commands via Ethernet for relay output control\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-3.jpg\" alt=\"8-ch Ethernet Relay Module (C), primary function\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eSupports Multiple Communication Modes, Adopts Modbus Protocol\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eSupports TCP Server \/ TCP Client \/ UDP Mode \/ UDP Multicast \/ MQTT\u003cbr\u003eSupports Modbus RTU \/ Modbus TCP protocols\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-5.jpg\" alt=\"8-ch Ethernet Relay Module (C), supports Modbus RTU protocol\/Modbus TCP protocol\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eMulti Configuration Methods\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eSupports software and Web Browser Configuration, Obtaining Dynamic IP Via DHCP, connecting to domain name server via DNS protocol\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-7.jpg\" alt=\"8-ch Ethernet Relay Module (C), supports multi configuration methods\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eMulti Power Supply Options, Wide Range Power Input\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eDC Power port: directly uses a power plug for power supply;\u003cbr\u003eScrew terminal: DC 7~36V wide range power input;\u003cbr\u003ePoE port: IEEE 802.3af PoE compliant\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-9.jpg\" alt=\"8-ch Ethernet Relay Module (C), supports multi power supply methods\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e* The external power supply adapter is NOT included by default, it is recommended to purchase 12V power supply if you need it.\u003c\/span\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eDigital Input\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eSupports passive (dry contact) and active (wet contact) digital input, with bi-directional optocoupler isolation\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-11.jpg\" alt=\"8-ch Ethernet Relay Module (C), digital input connection demo\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eInterfaces \u0026amp; Indicators\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eWith Multiple LED Indicators, Easy To Monitor The Operating Status\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-13.jpg\" alt=\"8-ch Ethernet Relay Module (C), Interfaces \u0026amp; Indicators instruction\"\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 82.1429%; border-collapse: collapse; border: 1px solid rgb(0, 0, 0); height: 298px; margin-left: auto; margin-right: auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 35.6077%;\"\u003e\u003cstrong\u003eRUN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 64.3923%;\"\u003eEthernet port indicator, blinking when Ethernet port is normally working\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 35.6077%;\"\u003e\u003cstrong\u003eSTA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 64.3923%;\"\u003eMCU indicator, blinking when the MCU is normally working\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 19.5938px; width: 35.6077%;\"\u003e\u003cstrong\u003eTXD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 19.5938px; width: 64.3923%;\"\u003eTX indicator, lights up when sending data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 19.5938px; width: 35.6077%;\"\u003e\u003cstrong\u003eRXD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 19.5938px; width: 64.3923%;\"\u003eRX indicator, lights up when receiving data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 35.6077%;\"\u003e\u003cstrong\u003eLeft Ethernet Port Green Indicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 64.3923%;\"\u003eLights up when the connection of Ethernet Port 1 is established\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 35.6077%;\"\u003e\u003cstrong\u003eRight Ethernet Port Green Indicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 64.3923%;\"\u003eLights up when the connection of Ethernet Port 2 is established\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 35.6077%;\"\u003e\u003cstrong\u003eLeft Ethernet Port Yellow Indicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 64.3923%;\"\u003eLights up when the TCP connection is established\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 35.6077%;\"\u003e\u003cstrong\u003eRight Ethernet Port Yellow Indicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(0, 0, 0); text-align: center; height: 39.1875px; width: 64.3923%;\"\u003eData activity indicator, blinking when transmitting data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eMultiple Modes for Various Automation Scenarios\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eSupports multiple relay control modes, each channel supports independent\u003cbr\u003econtrol mode setting\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"8-ch Ethernet Relay Module (C), normal and flash ON \/ flash OFF relay control mode\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-15.jpg\"\u003e\u003cimg alt=\"8-ch Ethernet Relay Module (C), Linkage and Toggle relay control mode\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-17.jpg\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003eNote: Except for linkage mode, all other modes also support relay control via commands.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eSupport Ethernet Port Cascade and PoE Cascade Power Supply\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eOnboard 2-ch Ethernet Ports for communication and cascade\u003cbr\u003eEither one can be used for dual serial server network communication, while the other one can be used for cascading or communication with other devices\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-21.jpg\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003e* Note: Each module in the cascade needs to be powered individually or using PoE cascade power supply. The maximum power consumption of a single module is 7W, please pay attention to the output power of Router when using PoE cascade power supply.\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eRelay Connection\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eContact rating of the onboard relay up to 10A 250VAC\/30VDC\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"8-ch Ethernet Relay Module (C), relay connection demo\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-19.jpg\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eEnclosure Design\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eRail-mounted ABS plastic enclosure, easy to install, safe to use\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"8-ch Ethernet Relay Module (C), adopts rail-mounted ABS plastic enclosure\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-23.jpg\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eApplications\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"8-ch Ethernet Relay Module (C), applications\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-25.jpg\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eProduct Show\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"8-ch Ethernet Relay Module (C), product show\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-27.jpg\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eOutline Dimensions\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"8-ch Ethernet Relay Module (C), outline dimensions\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-size.jpg\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eResources \u0026amp; Services\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"bgGrey\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cstrong\u003eWIKI:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/Modbus_POE_ETH_Relay_(C)\" id=\"tab-wiki\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/Modbus_POE_ETH_Relay_(C)\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\n\u003cbr\u003ePackage Content\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003e0.287 kg\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003e- The power supply of this product is not included, it is recommended to purchase 12V power supply if you need it.\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003e- It is also recommended to purchase USB TO RS232\/485\/TTL or USB TO RS485 at the same time for easy testing.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eModbus POE ETH Relay (C) x1\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-C\/Modbus-POE-ETH-Relay-C-details-pack.jpg\" alt=\"Modbus POE ETH Relay (C)\"\u003e\u003c\/p\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":51590598721853,"sku":"WVSH0594","price":5449.99,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/modbus-poe-eth-relay-c-1.jpg?v=1776246746","url":"https:\/\/thinkrobotics.com\/ar\/products\/dual-ethernet-ports-8-ch-relay-module-c-modbus-rtu-protocol-poe-power-supply","provider":"Atlantis Robotics","version":"1.0","type":"link"}