{"product_id":"products-r4rom01-3a-mini-rs485-relay-module","title":"R4ROM01 3A Mini RS485 Relay Module – Low Noise 5V\/12V\/24V Modbus RTU Remote IO Board with 6 Control Commands for PLC Smart Home","description":"\u003cp\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n \u003cbr\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003eR4ROM01 is a mini single channel RS485 relay developed and produced by eletechsup. Compared with similar products, it has a very small size and low noise relay, which is very suitable for embedding into equipment.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\u003cbr\u003e\n   1: Working voltage DC 5V\/12V\/24V(Three voltage versions);\u003cbr\u003e\n   2: Standby current (relays closed) 5.5MA, relay open 25MA\u003cbr\u003e\n   3: ''Open'' ''Close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay'' 6 Commands\u003cbr\u003e\n   4: MODBUS RTU Command, Write 05\/06\/15\/16, Read 01\/03\u003cbr\u003e\n   5: Under the ''Delay'' command ,the maximum delay is 255 seconds;\u003cbr\u003e\n   6 MODBUS commands can be made serial HyperTerminal (serial assistant) OR ''Modbus Poll'' Enter;\u003cbr\u003e\n   7 Under the MODBUS command mode, it can support up to 64 devices in parallel\u003cbr\u003e\n   8 Baud_rate : 1200\/2400\/4800\/9600(Default)\/19200\/38400\/57600\/115200BPS\u003cbr\u003e\n   9 Parity :None(Default)\/Even\/Odd\u003cbr\u003e\n   10 Mini Size : 40*16*14MM\u003cbr\u003e\n   11 Ultra-light Weight : 9g\u003cbr\u003e\n   12 Maximum load: 3A\/250VAC,3A \/30VDC\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eNote:Resistive load within 3A or inductive load within 1A \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003e\u003cbr\u003e\u003cbr\u003e\n    PC Computer remote control\u003cbr\u003e\n    Small size electronic switch\u003cbr\u003e\n    PLC Output expansion board\u003cbr\u003e\n    Smart Home,Home Automation ;\u003cbr\u003e\n    PTZ CCTV IP Camera\u003cbr\u003e\n    Security Monitoring\u003cbr\u003e\n    Identification system;\u003cbr\u003e\n    Mini Motor Control\u003cbr\u003e\n    Automatic curtain control\u003cbr\u003e\n    LED Control\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cbr\u003e\u003cbr\u003e\n   Please refer to the MODBUS RTU protocol manual:\u003cbr\u003e\n   ''R4ROM01 MODBUS RTU Commamd''\u003c\/span\u003e\u003c\/span\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S3d5cbb6b80d140139abfe489ed56d33cY.jpg\" slate-data-type=\"image\"\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S177a73bea7ad49d383cc22f0420d6b68J.jpg\" slate-data-type=\"image\"\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/1786209829742byx_1784187289135.jpg?v=1784187292\" slate-data-type=\"image\"\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n \u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Eletechsup","offers":[{"title":"DC 12V","offer_id":51565026148630,"sku":"R4ROM01_12V","price":8.48,"currency_code":"USD","in_stock":true},{"title":"DC 24V","offer_id":51565026181398,"sku":"R4ROM01_24V","price":8.49,"currency_code":"USD","in_stock":true},{"title":"DC 5V","offer_id":51565026214166,"sku":"R4ROM01_5V","price":8.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/900096202607161530186a58888a7f01a.png?v=1784187289","url":"https:\/\/eletee.com\/products\/products-r4rom01-3a-mini-rs485-relay-module","provider":"Eletechsup Direct Store","version":"1.0","type":"link"}