Ethernet Port Communication, Modbus Protocol, PoE Power Supply
Features
This product is an industrial 30-ch relay module controlled via Ethernet port, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case.
The Modbus POE ETH Relay 30CH 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.
Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically
Supports DC 7~36V wide range power input and PoE power supply
Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo
Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability
Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
High quality relay, contact rating: ≤10A 250VAC/30VDC
Rail-mounted ABS plastic enclosure, easy to install, safe to use
4 LEDs and Network indicators for indicating the MCU status and signal transceiving status
Primary function
Supports Sending Modbus RTU/TCP Protocol Commands Via Ethernet Port To Control Relay And Various Devices
Supports Multiple Communication Modes Adopts Modbus Protocol
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{"id":9634201927997,"title":"30-Ch Ethernet Relay Module, Modbus RTU\/Modbus TCP Protocol, PoE Port Communication","handle":"30ch-ethernet-relay-module","description":"\u003cdiv style=\"text-align: center;\" class=\"pdT\"\u003e\n\u003ch1 style=\"text-align: center;\" class=\"richTitle\"\u003e30-Ch Ethernet Relay Module\u003c\/h1\u003e\n\u003ch4 style=\"text-align: center;\" class=\"richDesc hilitBlock3 round1234\"\u003eEthernet Port Communication, Modbus Protocol, PoE Power Supply\u003c\/h4\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-1.jpg\" alt=\"30-Ch Ethernet Relay Module, front view\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\"\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\"\u003eFeatures\u003c\/h2\u003e\n\u003cdiv class=\"alignl pdTRBL\"\u003e\n\u003cp\u003eThis product is an industrial 30-ch relay module controlled via Ethernet port, adopts Modbus RTU\/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case.\u003c\/p\u003e\n\u003cp\u003eThe Modbus POE ETH Relay 30CH 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\u003cul\u003e\n\u003cli\u003eFeatures flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically\u003c\/li\u003e\n\u003cli\u003eSupports DC 7~36V wide range power input and PoE power supply\u003c\/li\u003e\n\u003cli\u003eSupports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo\u003c\/li\u003e\n\u003cli\u003eOnboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit\u003c\/li\u003e\n\u003cli\u003eAdopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability\u003c\/li\u003e\n\u003cli\u003eReverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection\u003c\/li\u003e\n\u003cli\u003eHigh quality relay, contact rating: ≤10A 250VAC\/30VDC\u003c\/li\u003e\n\u003cli\u003eRail-mounted ABS plastic enclosure, easy to install, safe to use\u003c\/li\u003e\n\u003cli\u003e4 LEDs and Network indicators for indicating the MCU status and signal transceiving status\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003ePrimary function\u003c\/h2\u003e\n\u003ch4 class=\"richDesc pdTRBL\" style=\"text-align: center;\"\u003eSupports Sending Modbus RTU\/TCP Protocol Commands \u003cbr\u003eVia Ethernet Port To Control Relay And Various Devices\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-3.jpg\" alt=\"30-Ch Ethernet Relay Module, primary function\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eSupports Multiple Communication Modes\u003cbr\u003eAdopts Modbus Protocol\u003c\/h2\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003eSupports TCP Server \/ TCP Client \/ UDP Mode \/ UDP Multicast \/ HTTP \/ MQTT\u003cbr\u003eSupports Modbus RTU protocol\/Modbus TCP protocol\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-5.jpg\" alt=\"30-Ch Ethernet Relay Module, supports Modbus RTU protocol\/Modbus TCP protocol\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eMulti Configuration Methods\u003c\/h2\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003eSupports software and Web Browser Configuration, \u003cbr\u003eObtaining Dynamic IP Via DHCP, connecting to domain name server via DNS protocol\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-7.jpg\" alt=\"30-Ch Ethernet Relay Module, supports multi configuration methods\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eMulti Power Supply Options, Wide Range Power Input\u003c\/h2\u003e\n\u003ch4 class=\"richDesc pdTRBL\" 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; PoE port: \u003cbr\u003eIEEE 802.3af PoE compliant\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-9.jpg\" alt=\"30-Ch Ethernet Relay Module, supports multi power supply methods\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"msg msg_warning\"\u003e\u003cem\u003e* The external power supply adapter is NOT included by default, it is recommended to purchase 12V power supply if you need it.\u003c\/em\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eInterfaces \u0026amp; Indicators\u003c\/h2\u003e\n\u003ch4 style=\"text-align: center;\" class=\"richDesc\"\u003eWith Multiple LED Indicators, Easy To Monitor The Operating Status\u003c\/h4\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-11.jpg\" alt=\"30-Ch Ethernet Relay Module, Interfaces \u0026amp; Indicators instruction\"\u003e\n\u003ctable style=\"width: 70%; margin: auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right; width: 35%;\"\u003eRUN\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eEthernet port indicator, blinking when Ethernet port normally working\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right;\"\u003eSTA\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eMCU indicator, blinking when the MCU normally working\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right;\"\u003eTXD\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eTX indicator, lights up when sending data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right;\"\u003eRXD\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eRX indicator, lights up when receiving data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right;\"\u003eEthernet port Green Indicator\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eLights up when the connection is established\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right;\"\u003eEthernet Port Yellow Indicator\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eData activity indicator, blinking when transmitting data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eRelay connection\u003c\/h2\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003eContact rating of the onboard relay up to 10A 250VAC\/30VDC\u003cbr\u003eDirectly controlling 220VAC home appliances, or devices below 30VDC\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-13.jpg\" alt=\"30-Ch Ethernet Relay Module, relay connection demo\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eEnclosure Design\u003c\/h2\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003eRail-mounted ABS plastic enclosure, easy to install, safe to use\u003c\/h4\u003e\n\u003ctable style=\"width: 90%; margin: auto;\" data-mce-style=\"width: 90%; margin: auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0px;\" data-mce-style=\"border: 0px;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-15-1.jpg\" class=\"round1234\" alt=\"30-Ch Ethernet Relay Module, adopts rail-mounted ABS plastic enclosure, front view\"\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 0px;\" data-mce-style=\"border: 0px;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-15-2.jpg\" class=\"round1234\" alt=\"30-Ch Ethernet Relay Module, adopts rail-mounted ABS plastic enclosure, back view\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\" class=\"pdT\"\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eApplications\u003c\/h2\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-17.jpg\" alt=\"30-Ch Ethernet Relay Module, applications\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eOutline dimensions\u003c\/h2\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-size.jpg\" alt=\"30-Ch Ethernet Relay Module, outline dimensions\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\"\u003eResources\u003c\/h2\u003e\n\u003cp class=\"bgGrey\"\u003e\u003cstrong\u003eWIKI:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/Modbus_POE_ETH_Relay_30CH\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/Modbus_POE_ETH_Relay_30CH\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e \u003c\/h2\u003e\n\u003ch2\u003ePackage Contains:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e0.292 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"std\"\u003e\n\u003cblockquote\u003e\n\u003cdiv class=\"msg msg_info\"\u003e\u003cem\u003eThe power supply of this product is not included, it is recommended to purchase 12V power supply if you need it.\u003c\/em\u003e\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cul\u003e\n\u003cli\u003eModbus POE ETH Relay 30CH x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-pack.jpg\" alt=\"Modbus POE ETH Relay 30CH\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","published_at":"2024-09-01T08:24:03+05:30","created_at":"2024-09-01T08:20:52+05:30","vendor":"Waveshare","type":"","tags":["27928","30CH","Circuit","Isolation","Modbus","Modbus POE ETH Relay 30CH","Modbus RTU Relay (D)","opto isolater relay","optocoupler","optoisolated relay","Protection","relay","relay expansion module","RLY-MOD","RTU","WaveSH","Waveshare","WVSH"],"price":619999,"price_min":619999,"price_max":619999,"available":true,"price_varies":false,"compare_at_price":729999,"compare_at_price_min":729999,"compare_at_price_max":729999,"compare_at_price_varies":false,"variants":[{"id":49312352534845,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"ELC3073","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"30-Ch Ethernet Relay Module, Modbus RTU\/Modbus TCP Protocol, PoE Port Communication","public_title":null,"options":["Default Title"],"price":619999,"weight":350,"compare_at_price":729999,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-1.jpg?v=1725159188","\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-5.jpg?v=1725159188","\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-2.jpg?v=1725159188","\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-3.jpg?v=1725159188","\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-4.jpg?v=1725159188"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-1.jpg?v=1725159188","options":["Title"],"media":[{"alt":null,"id":40320936935741,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-1.jpg?v=1725159188"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-1.jpg?v=1725159188","width":800},{"alt":null,"id":40320936804669,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-5.jpg?v=1725159188"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-5.jpg?v=1725159188","width":800},{"alt":null,"id":40320936902973,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-2.jpg?v=1725159188"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-2.jpg?v=1725159188","width":800},{"alt":null,"id":40320936870205,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-3.jpg?v=1725159188"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-3.jpg?v=1725159188","width":800},{"alt":null,"id":40320936837437,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-4.jpg?v=1725159188"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/modbus-poe-eth-relay-30ch-4.jpg?v=1725159188","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv style=\"text-align: center;\" class=\"pdT\"\u003e\n\u003ch1 style=\"text-align: center;\" class=\"richTitle\"\u003e30-Ch Ethernet Relay Module\u003c\/h1\u003e\n\u003ch4 style=\"text-align: center;\" class=\"richDesc hilitBlock3 round1234\"\u003eEthernet Port Communication, Modbus Protocol, PoE Power Supply\u003c\/h4\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-1.jpg\" alt=\"30-Ch Ethernet Relay Module, front view\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\"\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\"\u003eFeatures\u003c\/h2\u003e\n\u003cdiv class=\"alignl pdTRBL\"\u003e\n\u003cp\u003eThis product is an industrial 30-ch relay module controlled via Ethernet port, adopts Modbus RTU\/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case.\u003c\/p\u003e\n\u003cp\u003eThe Modbus POE ETH Relay 30CH 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\u003cul\u003e\n\u003cli\u003eFeatures flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically\u003c\/li\u003e\n\u003cli\u003eSupports DC 7~36V wide range power input and PoE power supply\u003c\/li\u003e\n\u003cli\u003eSupports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo\u003c\/li\u003e\n\u003cli\u003eOnboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit\u003c\/li\u003e\n\u003cli\u003eAdopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability\u003c\/li\u003e\n\u003cli\u003eReverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection\u003c\/li\u003e\n\u003cli\u003eHigh quality relay, contact rating: ≤10A 250VAC\/30VDC\u003c\/li\u003e\n\u003cli\u003eRail-mounted ABS plastic enclosure, easy to install, safe to use\u003c\/li\u003e\n\u003cli\u003e4 LEDs and Network indicators for indicating the MCU status and signal transceiving status\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003ePrimary function\u003c\/h2\u003e\n\u003ch4 class=\"richDesc pdTRBL\" style=\"text-align: center;\"\u003eSupports Sending Modbus RTU\/TCP Protocol Commands \u003cbr\u003eVia Ethernet Port To Control Relay And Various Devices\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-3.jpg\" alt=\"30-Ch Ethernet Relay Module, primary function\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eSupports Multiple Communication Modes\u003cbr\u003eAdopts Modbus Protocol\u003c\/h2\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003eSupports TCP Server \/ TCP Client \/ UDP Mode \/ UDP Multicast \/ HTTP \/ MQTT\u003cbr\u003eSupports Modbus RTU protocol\/Modbus TCP protocol\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-5.jpg\" alt=\"30-Ch Ethernet Relay Module, supports Modbus RTU protocol\/Modbus TCP protocol\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eMulti Configuration Methods\u003c\/h2\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003eSupports software and Web Browser Configuration, \u003cbr\u003eObtaining Dynamic IP Via DHCP, connecting to domain name server via DNS protocol\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-7.jpg\" alt=\"30-Ch Ethernet Relay Module, supports multi configuration methods\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eMulti Power Supply Options, Wide Range Power Input\u003c\/h2\u003e\n\u003ch4 class=\"richDesc pdTRBL\" 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; PoE port: \u003cbr\u003eIEEE 802.3af PoE compliant\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-9.jpg\" alt=\"30-Ch Ethernet Relay Module, supports multi power supply methods\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"msg msg_warning\"\u003e\u003cem\u003e* The external power supply adapter is NOT included by default, it is recommended to purchase 12V power supply if you need it.\u003c\/em\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eInterfaces \u0026amp; Indicators\u003c\/h2\u003e\n\u003ch4 style=\"text-align: center;\" class=\"richDesc\"\u003eWith Multiple LED Indicators, Easy To Monitor The Operating Status\u003c\/h4\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-11.jpg\" alt=\"30-Ch Ethernet Relay Module, Interfaces \u0026amp; Indicators instruction\"\u003e\n\u003ctable style=\"width: 70%; margin: auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right; width: 35%;\"\u003eRUN\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eEthernet port indicator, blinking when Ethernet port normally working\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right;\"\u003eSTA\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eMCU indicator, blinking when the MCU normally working\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right;\"\u003eTXD\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eTX indicator, lights up when sending data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right;\"\u003eRXD\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eRX indicator, lights up when receiving data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right;\"\u003eEthernet port Green Indicator\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eLights up when the connection is established\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: right;\"\u003eEthernet Port Yellow Indicator\u003c\/th\u003e\n\u003ctd style=\"text-align: left;\"\u003eData activity indicator, blinking when transmitting data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eRelay connection\u003c\/h2\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003eContact rating of the onboard relay up to 10A 250VAC\/30VDC\u003cbr\u003eDirectly controlling 220VAC home appliances, or devices below 30VDC\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-13.jpg\" alt=\"30-Ch Ethernet Relay Module, relay connection demo\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eEnclosure Design\u003c\/h2\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003eRail-mounted ABS plastic enclosure, easy to install, safe to use\u003c\/h4\u003e\n\u003ctable style=\"width: 90%; margin: auto;\" data-mce-style=\"width: 90%; margin: auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 0px;\" data-mce-style=\"border: 0px;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-15-1.jpg\" class=\"round1234\" alt=\"30-Ch Ethernet Relay Module, adopts rail-mounted ABS plastic enclosure, front view\"\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 0px;\" data-mce-style=\"border: 0px;\"\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-15-2.jpg\" class=\"round1234\" alt=\"30-Ch Ethernet Relay Module, adopts rail-mounted ABS plastic enclosure, back view\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\" class=\"pdT\"\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eApplications\u003c\/h2\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-17.jpg\" alt=\"30-Ch Ethernet Relay Module, applications\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eOutline dimensions\u003c\/h2\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-size.jpg\" alt=\"30-Ch Ethernet Relay Module, outline dimensions\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\"\u003eResources\u003c\/h2\u003e\n\u003cp class=\"bgGrey\"\u003e\u003cstrong\u003eWIKI:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/Modbus_POE_ETH_Relay_30CH\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/Modbus_POE_ETH_Relay_30CH\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e \u003c\/h2\u003e\n\u003ch2\u003ePackage Contains:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e0.292 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"std\"\u003e\n\u003cblockquote\u003e\n\u003cdiv class=\"msg msg_info\"\u003e\u003cem\u003eThe power supply of this product is not included, it is recommended to purchase 12V power supply if you need it.\u003c\/em\u003e\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cul\u003e\n\u003cli\u003eModbus POE ETH Relay 30CH x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Modbus-POE-ETH-Relay-30CH\/Modbus-POE-ETH-Relay-30CH-details-pack.jpg\" alt=\"Modbus POE ETH Relay 30CH\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e"}
