{"product_id":"2-channel-rs485-relay-board-uart-serial-port-switch-module-modbus-remote-control-for-plc-smart-home-dc12v","title":"2 Channel RS485 Relay Board UART Serial Port Switch Module Modbus Remote Control for PLC Smart Home DC12V","description":"\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/myosuploads3.banggood.com\/products\/20200326\/202003260328072RS485ce035.rar\"\u003e\u003cspan style=\"color:#ff0000;\"\u003e\u0026gt;\u0026gt;\u0026gt;Manual: Click here to open\u0026lt;\u0026lt;\u0026lt;\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003eDescription: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Power Supply: DC 12V \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Standby current (all relays closed) 7-8mA, 1 relay open 40mA, 2 relays open 73mA.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e-  \"open\" \"close\"  \"Momentary\" \"Self-locking\" \"Interlock\" \"Delay\" 6 Commands\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Two instruction-control mode : AT command and MODBUS command\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e-  Under the AT command ,the maximum delay is 9999 seconds,Under the MODBUS command ,the maximum delay is 255 seconds\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- AT commands can be made serial HyperTerminal (serial assistant) Enter;MODBUS commands can be made serial HyperTerminal (serial assistant)  OR \"Modbus Poll\" Enter;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Under the MODBUS command mode, it can support up to 32 devices in parallel.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Maximum load: 10A \/ 250VAC, 10A \/ 125VAC, 10A \/ 30VDC, 10A \/ 28VDC, 10A \/ 12VDC.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e- Size: 79 x 47.5 x 19.5mm\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eAutomated industry PLC;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eSmart Home,Home Automation ,Wiser Home;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eIdentification system;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eMotor FW \u0026amp; BW.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eTypical Applications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1. AT command mode (A5 = OFF), in this mode can be through the serial HyperTerminal (serial assistant) enter a simple AT command control relay. AT command mode time up to 9999 seconds \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cimg alt=\"aeProduct.getSubject()\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB19YFkJVXXXXc_XpXXq6xXFXXXd.jpg\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px;\"\u003e2. MODBUS command mode (A5 = ON), 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\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cimg alt=\"aeProduct.getSubject()\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1hD8nJVXXXXbOXpXXq6xXFXXXb.jpg\"\u003e\u003cimg alt=\"aeProduct.getSubject()\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1B3RfJVXXXXbFXFXXq6xXFXXX1.jpg\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cp\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eWiring Diagram:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cp\u003e\u003cspan style=\"font-size:14px;\"\u003e1. DC 12V control circuit,Wiring diagram below. \"LOAD\" may be camera,LED lights, fans, motors and other DC 12V equipment\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cimg alt=\"aeProduct.getSubject()\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1q2xkJVXXXXXCXFXXq6xXFXXXF.jpg\"\u003e\u003c\/span\u003e\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\u003cdiv\u003e\u003cp\u003e\u003cspan style=\"font-size:14px;\"\u003e2. DC 12V motor reversing control, Wiring diagram below. \"LOAD\" can be Fans, motors, pumps and other DC 12V equipment\u003c\/span\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cimg alt=\"aeProduct.getSubject()\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1WqpfJVXXXXa3XFXXq6xXFXXX9.jpg\"\u003e\u003c\/span\u003e\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\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3. DC 1-48V 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\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cimg alt=\"aeProduct.getSubject()\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1xChrJVXXXXX6XpXXq6xXFXXX7.jpg\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px;\"\u003e4. DC 1-48V OR AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). \"LOAD\" may be Machine tool ,CNC,3D Printer,LED lights, fans, motors and other DC AC equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cimg alt=\"aeProduct.getSubject()\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1ZYFoJVXXXXbYXpXXq6xXFXXX7.jpg\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size:14px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eTest Software:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eSerial HyperTerminal:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cimg alt=\"aeProduct.getSubject()\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1k.XkJVXXXXbdXpXXq6xXFXXX6.jpg\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eModbus Poll\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cimg alt=\"aeProduct.getSubject()\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1sJ4BJVXXXXXVXXXXq6xXFXXX8.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e1 x 2 Channel RS485 Relay Board UART Serial Port Switch Module\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/D6\/F0\/eee3b4f8-91f5-417c-a9eb-6a51d62a82c4.JPG\"\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/A5\/67\/31b2ae01-c26d-455e-ab55-c250bd1e77cd.JPG\"\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/C0\/F6\/7e0e245a-2fa2-445d-b706-31436db14bce.JPG\"\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/AC\/BD\/db0f33a8-162c-4e58-9c31-a55d0c962064.JPG\"\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/78\/2C\/b8b28070-15e9-473a-92b8-d97ae9400061.JPG\"\u003e","brand":"Electronic Pro","offers":[{"title":"Default Title","offer_id":35552037372060,"sku":"1655402","price":415.56,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/17c5265c-cfc3-4027-acb2-c95dc97eec77.jpg?v=1597580448","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/2-channel-rs485-relay-board-uart-serial-port-switch-module-modbus-remote-control-for-plc-smart-home-dc12v","provider":"Electronic Pro ","version":"1.0","type":"link"}