{"product_id":"https-eletee-com-products-dnmeb50-16ai-16di-16do-rs485-modbus-io-board","title":"DNMEB50 16AI 16DI 16DO RS485 Modbus I\/O and Relay Expansion Board, Compatible with Arduino MEGA 2560 and PLC Control","description":"\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\n \u003cbr\u003e\u003cbr\u003e\n \u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\u003cdiv\u003e\n \u003cdiv\u003e\n  \u003cdiv\u003e\n\u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e1 Working voltage: DC 12V\/DC 24V two version\u003cbr\u003e\u003cbr\u003e2 \u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eWorking \u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003eCurrent : Standby current (Digital tube OFF) 13MA, Standby current 21MA (Digital tube ON), 1 relay open 38MA... 8 relays open 150MA\u003cbr\u003e\u003cbr\u003e3 Rich external expansion resources: 16ch NPN\/PNP Digital Input;16ch Dry\/Wet contact digital output;16ch current and voltage analog input; RS485 Interface,4bit digital tube, 4 LEDs, 4 Buttons.\u003cbr\u003e\u003cbr\u003e4 size 183*122*18mm(Only Board),\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e188*128*28mm(with Din Rail Box)\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e5 Weight : 161g(Only Board), 292g(with Din Rail Box) \u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003eThis is an expansion board based on MEGA2560 R3, and the code(sketch) we provide is only used to test the experimental hardware.\u003cbr\u003eIf you need more functionality, write your own code. We do not provide additional code(sketch) and technical support\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003e\u003cspan style=\"font-size:22px\"\u003eFor more information details, please contact me.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003eHow to use: See video\u003cbr\u003e'' DNMEB50_RS485_Receiving_Sending_DEMO''\u003cbr\u003e'' DNMEB50_Analog_RS485_DEMO''\u003cbr\u003e''DNMEB50_8NPN_8Relay_DEMO''\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\u003cbr\u003e\n   \u003cspan style=\"font-size:18px\"\u003e(You can search for videos on Google)\u003c\/span\u003e\n   \u003cbr\u003e\u003cbr\u003e\n   \u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003eNote: Eletechsup\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eDNMEB50 is just an expansion board, it can\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003enot work independently, must be under the control of the MEGA2560 R3 board to work,If you do not have a MEGA2560 R3 board, purchase it separately or purchase a kit with MEGA2560 R3\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"color:rgb(0, 0, 255)\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:20px\"\u003eRich Onboard Resources\u003cbr\u003e4CH 4-20MA Current Input\u003cbr\u003e4CH 0-100MA Current Input\u003cbr\u003e4CH 0-5V\/10V Voltage Input\u003cbr\u003e4CH 0-30V Voltage Input\u003cbr\u003e8CH NPN Digital Input\u003cbr\u003e8CH PNP Digital Input\u003cbr\u003e8CH Relay Output\u003cbr\u003e8CH Mos Output\u003cbr\u003e4CH Button Input\u003cbr\u003e4CH LED Output\u003cbr\u003e4CH Digital Tube\u003cbr\u003e1CH RS485 Interface\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003ePort-------------------MEGA Pin\u003cbr\u003eII1-II4(0-20MA)--------A0-A3\u003cbr\u003eII5-II8(0-100MA)------A4-A7\u003cbr\u003eVI1-VI4(0-10V )------- A8-A11\u003cbr\u003eVI5-VI8(0-30V )--------A12-A15\u003cbr\u003eIN1-IN8(NPN DI )-----6\/5\/4\/3\/2\/14\/15\/19\u003cbr\u003eIN9-IN16(PNP DI)-----32\/30\/28\/22\/23\/24\/25\/26\u003cbr\u003eCH1-CH8(Relay DO)--41\/39\/37\/35\/33\/31\/29\/27\u003cbr\u003eD1-D8(2803 DO)-------43\/45\/47\/49\/50\/51\/52\/53\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003e\u003cstrong\u003eApplication examples:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n   \u003cspan style=\"color:rgb(0, 0, 205)\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003eThis expansion board is reissued and utilizes the resources of MEGA2560. By writing code for MEGA2560, many useful functions can be achieved:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003eRS485 Master-Slave \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"color:rgb(0, 0, 255);font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eDevice\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003e(PLC MCU),\u003cbr\u003eModbus Protocol Relay\u003cbr\u003e0\/4-20MA Current Collection,\u003cbr\u003e0-100MA Current Collection,\u003cbr\u003e0-5V\/10V Voltage Collection,\u003cbr\u003e0-30V Voltage Collection,\u003cbr\u003eMotor forward and reverse,\u003cbr\u003eTiming on,\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"color:rgb(0, 0, 255);font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eTiming off Switch,\u003c\/span\u003e\u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003ePower-up delay Relay,\u003cbr\u003eTrigger delay \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"color:rgb(0, 0, 255);font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eRelay,\u003c\/span\u003e\u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003eInfinite loop delay,\u003cbr\u003eA finite number of cyclic delays,\u003cbr\u003ePower sequencer,\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003eSolar energy\/Smart meter\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n   \u003cbr\u003e\n   \u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003eAnd so on.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n   \u003cdiv\u003e\n    \u003cbr\u003e\n    \u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Eletechsup","offers":[{"title":"12V Relay Only Board","offer_id":51880030109974,"sku":"DNMEB50_12V","price":32.99,"currency_code":"USD","in_stock":true},{"title":"24V Relay Only Board","offer_id":51880030142742,"sku":"DNMEB50_24V","price":32.99,"currency_code":"USD","in_stock":true},{"title":"12V Relay With Shell","offer_id":51880030175510,"sku":"DNMEB50_R_12V","price":37.99,"currency_code":"USD","in_stock":true},{"title":"24V Relay With Shell","offer_id":51880030208278,"sku":"DNMEB50_R_24V","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/4063\/8742\/files\/S696e5e5fb743470f921d34797ae9ea67b.webp?v=1789460169","url":"https:\/\/eletee.com\/products\/https-eletee-com-products-dnmeb50-16ai-16di-16do-rs485-modbus-io-board","provider":"Eletechsup Direct Store","version":"1.0","type":"link"}