{"product_id":"n221b02-dc-5v-7-5v-9v-2ch-rs232-relay-board-remote-control-usb-pc-uart-com-serial-ports","title":"N221B02 DC 5V 7.5V 9V 2Ch RS232 Relay Board Remote Control USB PC UART COM Serial Ports","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTypial application :\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003e1 DC 5V control circuit,Wiring diagram below. ''LOAD'' may be LED lights, fans, motors and other AC DC equipment\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H5fa5917068f44277833ac54033f04fe7k.jpg\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003e2 DC 7-12V(7.5V 9V) control circuit,Wiring diagram below ''LOAD'' may be LED lights, fans, motors and other DC AC equipment\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hb9e049a2b86e42faa501a64b8c255f63E.jpg\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong\u003ePackage inlcuded:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e1 xDC 5V-12V 2Ch RS232 Relay Board:\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H2d982dbdacba48559a1d3d7161d5a872P.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan\u003eDescription:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2 Channel Relay Module;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePower input: DC 5V\/ 7-12V(Recommed 7.5V 9V)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePC Serial ports RS232 Control Relay;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePower indicator: LED lights ;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eOutput indication: relay output with LED indicators, easy to see working status of the relay ;\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCommunication protocol: UART protocol communication, baud rate 9600kpbs, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes. Two-way data transmission.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cspan\u003eB\u003c\/span\u003e\u003cspan\u003eaud rate 9600\u003c\/span\u003e\u003cspan\u003ekbps\u003c\/span\u003e\u003cspan\u003e, 8data bits,one stop bit, no parity.Eachdata frame containseight bytes.\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eSize : 71x47mm x 19\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeight : 45g\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong\u003e1\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eControlcommand\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003es\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e:\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e1.\u003c\/span\u003e\u003cspan\u003eReading status\u003c\/span\u003e\u003cspan\u003e（\u003c\/span\u003e\u003cspan\u003ereading the satus of the relay (on\/off)\u003c\/span\u003e\u003cspan\u003e）\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eChannel 1 :55 56 00 00 00 01 00 AC\u003cbr\u003eChannel 2 :55 56 00 00 00 02 00 AD\u003cbr\u003eChannel 3 :55 56 00 00 00 03 00 AE\u003cbr\u003eChannel 4 :55 56 00 00 00 04 00 AF\u003c\/p\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e2.\u003c\/span\u003e\u003cspan\u003eRelay open\u003c\/span\u003e\u003cspan\u003e(issue this command ,Relay open , COM connect to NO ）\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eChannel 1 :55 56 00 00 00 01 01 AD\u003cbr\u003eChannel 2 :55 56 00 00 00 02 01 AE\u003cbr\u003eChannel 3 :55 56 00 00 00 03 01 AF\u003cbr\u003eChannel 4 :55 56 00 00 00 04 01 B0\u003c\/p\u003e\n\u003cbr\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e3\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003eRelay\u003c\/span\u003e\u003cspan\u003eclose (issue this command ,Relay close , COM disconnect NO , and COM connect to NC ）\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eChannel 1 :55 56 00 00 00 01 02 AE\u003cbr\u003eChannel 2 :55 56 00 00 00 02 02 AF\u003cbr\u003eChannel 3 :55 56 00 00 00 03 02 B0\u003cbr\u003eChannel 4 :55 56 00 00 00 04 02 B1\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003eRelay toggle（\u003c\/span\u003e\u003cspan\u003eRelay statusreversal\u003c\/span\u003e\u003cspan\u003e,if COM connect to NO,this commands will\u003c\/span\u003e\u003cspan\u003eDisconnect\u003c\/span\u003e\u003cspan\u003eCOM to NO and Reverse COM connect to NC,\u003c\/span\u003e\u003cspan\u003eand vice versa\u003c\/span\u003e\u003cspan\u003e）\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eChannel 1 :55 56 00 00 00 01 03 AF\u003cbr\u003eChannel 2 :55 56 00 00 00 02 03 B0\u003cbr\u003eChannel 3 :55 56 00 00 00 03 03 B1\u003cbr\u003eChannel 4 :55 56 00 00 00 04 03 B2\u003c\/p\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e5\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003eRelay momentary（Relay COM connect to NO,disconnect after 200MS ）\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eChannel 1 :55 56 00 00 00 01 04 B0\u003cbr\u003eChannel 2 :55 56 00 00 00 02 04 B1\u003cbr\u003eChannel 3 :55 56 00 00 00 03 04 B2\u003cbr\u003eChannel 4 :55 56 00 00 00 04 04 B3\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e6.\u003c\/span\u003eRelay Interlock\u003cbr\u003e\u003cbr\u003eChannel 1 :55 56 00 00 00 01 05 B1\u003cbr\u003eChannel 2 :55 56 00 00 00 02 05 B2\u003cbr\u003eChannel 3 :55 56 00 00 00 03 05 B3\u003cbr\u003eChannel 4 :55 56 00 00 00 04 05 B4\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOnce issue a command, will have a return fame , 7th byte of return fame mean the satus of realy .\u003c\/span\u003e\u003cbr\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ereturn command\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e1\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003eR\u003c\/span\u003e\u003cspan\u003eeturn relay open（return this command,mean COM connect to NO ）\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eChannel 1 :33 3C 00 00 00 01 01 71\u003cbr\u003eChannel 2 :33 3C 00 00 00 02 01 72\u003cbr\u003eChannel 3 :33 3C 00 00 00 03 01 73\u003cbr\u003eChannel 4 :33 3C 00 00 00 04 01 74\u003c\/p\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e2\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003eR\u003c\/span\u003e\u003cspan\u003eeturn relay close（return this command,mean COM disconnect NO , and COM connect to NC ）\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eChannel 1 :33 3C 00 00 00 01 02 72\u003cbr\u003eChannel 2 :33 3C 00 00 00 02 02 73\u003cbr\u003eChannel 3 :33 3C 00 00 00 03 02 74\u003cbr\u003eChannel 4 :33 3C 00 00 00 04 02 75\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eInstruction manual Please ask us after the purchase\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eRemote control, remote measurement system;\u003cbr\u003e\u003cbr\u003eWireless meter;\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cdiv\u003e\u003cspan\u003eSmart Home,Home Automation ,Wiser Home;\u003cbr\u003e\u003cbr\u003eAccess control ;\u003cbr\u003e\u003cbr\u003eIdentification system;\u003cbr\u003e\u003cbr\u003eData collection;\u003cbr\u003e\u003cbr\u003eIT household appliance;\u003cbr\u003e\u003cbr\u003eIntelligence household appliance;\u003cbr\u003e\u003cbr\u003eBaby monitoring system;\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Eletechsup Factory store ","offers":[{"title":"Default Title","offer_id":46474078355613,"sku":"N221B02","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/H9aa7326cecd54fadb4d769e7574e226a2.webp?v=1738856065","url":"https:\/\/eletechsup.com\/es\/products\/n221b02-dc-5v-7-5v-9v-2ch-rs232-relay-board-remote-control-usb-pc-uart-com-serial-ports","provider":"Eletechsup Ready Stock Factory Store 6-10days to Worldwide","version":"1.0","type":"link"}