{"product_id":"r4d8a08-8ch-rs485-modbus-din-rail-relay-module","title":"R4D8A08 8-Channel RS485 Modbus RTU Relay Module – DC 12V DIN Rail Remote I\/O for PLC Automation","description":"\u003cp\u003e\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\n  \n\u003c\/div\u003e\n\u003cdiv\u003e\n \u003cbr\u003e\n  \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n  \n\u003c\/div\u003e\n\u003cdiv\u003e\n \u003cbr\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cspan style=\"font-size:22px\"\u003eProduct Name: DC 12V 8 Ch RS485 Relay Board Modbus RTU UART Remote Control Switch DIN35 Rail Box for PLC Automation control\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n \u003cbr\u003e\n  \n\u003c\/div\u003e\n\u003cdiv\u003e\n \u003cbr\u003e\n  \n\u003c\/div\u003e\n\u003cdiv\u003e\n \u003cbr\u003e\n  \n\u003c\/div\u003e\n\u003cdiv\u003e\n   \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n    \n  \u003cdiv\u003e\n   \u003cbr\u003e\u003cspan style=\"font-size:14pt;font-family:verdana\"\u003ePackage inlcuded:\u003c\/span\u003e\n  \u003c\/div\u003e  \n  \u003cdiv\u003e\n   \u003cbr\u003e\n    1PCS DC 12V 8Ch Din35 Rail RS485 Modbus RTU Relay Module \n   \u003cbr\u003e\n   \u003cbr\u003e\n    \n  \u003c\/div\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1793194483189ezc_1791171942887.jpg?v=1791171946\"\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\u003cspan style=\"font-size:18pt;font-family:;times new roman;\"\u003eDescription: \u003c\/span\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n    \n  \u003cdiv style=\"font-size:14pt\"\u003e\n     \n   \u003cdiv style=\"font-family:;times new roman;\"\u003e\n      \n    \u003cdiv\u003e\n       \n     \u003cdiv\u003e\n      \u003cbr\u003e\n      1: DC 12V power supply(Range 10-13V) \n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      2: Standby current (all relays closed) 12MA, 1 relay open 40MA, 2 relays open 68MA, 3 relays open 94MA,4 relays open 122MA,5 relays open 148MA,6 relays open 174MA, 7 relays open 198MA,8 relays open 224MA \n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      3: ''open'' ''close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay'' 6 Commands \n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      4: Two instruction-control mode : MODBUS RTU command and AT command \n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      5: Under the ''Delay'' command ,the maximum delay is 255 seconds; \n      \u003cbr\u003e\n      \u003cbr\u003e\n      Under the AT command ,the maximum delay is 9999 seconds \n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      6 MODBUS commands can be made serial HyperTerminal (serial assistant) OR ''Modbus Poll'' Enter; AT commands can be made serial HyperTerminal (serial assistant) Enter; \n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      7 Under the MODBUS command mode, it can support up to 64 devices in parallel \n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      8 The default baud rate is 9600BPS. The baud rate can be selected through jumpers: 2400 4800 9600 19200BPS \n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      9 Size: 100 * 72 * 20mm(Only PCB Board);120 * 88* 42mm(with Din Rail Box) \n      \u003cbr\u003e\n      \u003cbr\u003e\n      10 Weight: 120g(Only PCB Board);198g(with Din Rail Box) \n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      11 Maximum load: 10A \/ 250VAC, 10A \/ 125VAC, 10A \/ 30VDC, 10A \/ 28VDC, 10A \/ 12VDC \n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eFor more information, please contact me\u003c\/span\u003e\u003c\/span\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\n      \u003cbr\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003eDIN rail Box parameters:\u003cbr\u003e\n       Product model: UM72\u003cbr\u003e\n       Color: green\u003cbr\u003e\n       Width: suitable for PCB board width UM72(72mm PCB)\u003cbr\u003e\n       Insulation grade: flame-retardant VO grade\u003cbr\u003e\n       Backplane length: suitable for 100 mm PCB boards\u003cbr\u003e\n       Net weight: 72g\u003cbr\u003e\n       Installation: DIN35 and C45 rail\u003c\/span\u003e\n     \u003c\/div\u003e\n    \u003c\/div\u003e  \n    \u003cdiv\u003e\n     \u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1793194484217ucs_1791171943850.jpg?v=1791171947\"\u003e\n    \u003c\/div\u003e  \n    \u003cdiv\u003e\n     \u003cbr\u003e\n      \n    \u003c\/div\u003e\n   \u003c\/div\u003e\n  \u003c\/div\u003e  \n  \u003cdiv style=\"font-family:;times new roman;;font-size:14pt\"\u003e\n    \n  \u003c\/div\u003e  \n  \u003cdiv style=\"font-family:;times new roman;;font-size:14pt\"\u003e\n    \n  \u003c\/div\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\u003cspan style=\"font-size:14pt;font-family:;times new roman;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/span\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(51, 51, 51)\"\u003eAutomated industry PLC\u003c\/span\u003e\u003c\/span\u003e\n \u003c\/div\u003e  \n \u003cdiv\u003e\n  \u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eSmart Home,Home Automation ,Wiser Home; \u003c\/span\u003e\n \u003c\/div\u003e  \n \u003cdiv\u003e\n  \u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eCCTV PTZ Camera\u003c\/span\u003e\n \u003c\/div\u003e  \n \u003cdiv\u003e\n  \u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eSecurity Monitoring\u003c\/span\u003e\n \u003c\/div\u003e  \n \u003cdiv\u003e\n  \u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eIdentification system;\u003c\/span\u003e\n \u003c\/div\u003e  \n \u003cdiv\u003e\n  \u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eMotor FW \u0026amp; BW\u003cbr\u003e\n   Automatic curtain control\u003c\/span\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003eAutomatic door control\u003c\/span\u003e\n \u003c\/div\u003e  \n \u003cdiv\u003e\n  \u003cbr\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\u003cspan style=\"font-size:22px\"\u003e\u003cspan style=\"color:rgb(51, 51, 51);font-size:12px\"\u003e\u003cstrong\u003eTypical applications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1793194485212qso_1791171944924.jpg?v=1791171948\"\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n  1 When controlling a module, you can use the MODUBS RTU instruction or the AT instruction. In AT command mode, the dial switch (slave address) is invalid and can only control one module at a time. \n  \u003cbr\u003e\n  \u003cbr\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n    \n  \u003cp\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1793194486287vrj_1791171946063.jpg?v=1791171952\"\u003e\u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1793194487422ddg_1791171947158.jpg?v=1791171951\"\u003eMODBUS RTU 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 control\u003c\/p\u003e\n  \u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n    \u003c\/p\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n    \n  \u003cp\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eWiring Diagram:\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003c\/p\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n    \n  \u003cp\u003e\u003c\/p\u003e\n  \u003cp\u003e1 DC 12V control circuit,Wiring diagram below. ''LOAD'' may be camera,LED lights, fans, motors and other DC 12V equipment\u003c\/p\u003e\n  \u003cp\u003e\u003c\/p\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1793194488583ryq_1791171948264.jpg?v=1791171954\"\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\n  2 DC 1-110V OR AC 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 equipmen\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1793194489656zei_1791171949283.jpg?v=1791171953\"\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n  \u003cbr\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eTest Software(We offer a demo video):\u003c\/span\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\u003cspan style=\"color:rgb(51, 51, 51);font-size:12px\"\u003eSerial HyperTerminal:\u003c\/span\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n  \u003cbr\u003e\n  Modbus Poll\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\n   \n \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n \u003cbr\u003e\n  \n\u003c\/div\u003e\n\u003cdiv\u003e\n \u003cbr\u003e\n  \n\u003c\/div\u003e\n\u003cp\u003e\u003c\/p\u003e","brand":"Eletechsup","offers":[{"title":"Only Board","offer_id":67649174569238,"sku":"R4D8A08","price":16.98,"currency_code":"USD","in_stock":true},{"title":"with Din Rail Box","offer_id":67649174602006,"sku":"R4D8A08_R","price":18.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/900096202610051136116ac31b2b293e2.png?v=1791172156","url":"https:\/\/eletee.com\/products\/r4d8a08-8ch-rs485-modbus-din-rail-relay-module","provider":"Eletechsup Direct Store","version":"1.0","type":"link"}