{"product_id":"8-way-220v-ac-detection-module-modbus-module-rs485-communication-detection-mains-power-can-be-connected-to-plc","title":"8-way 220V AC Detection Module MODBUS Module RS485 Communication Detection Mains Power Can Be Connected To PLC","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003e8-way 220V AC detection module\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMODBUS module RS485\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eReYeBu\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSMD\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"24802343\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cstrong\u003e8-way 220V AC Detection Module MODBUS Module RS485 Communication Detection Mains Power Can Be Connected To PLC\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgba(244,78,59,255);font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eNew version update tips:\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgba(244,78,59,255);font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eThe new version has changed the protocol: the main changes are to change the MODBUS slave address and baud rate to 20000.\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgba(244,78,59,255);font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eAvoid the problem of inability to communicate due to accidentally changing the wrong address and baud rate.\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgba(244,78,59,255);font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003e\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgba(244,78,59,255);font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eThe new version of the protocol is more convenient and easy to use, and the function channel value starts from address 0, which is more intuitive and convenient!\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgba(244,78,59,255);font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eIn the future, products with the new version of the protocol will be shipped by default.\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eProduct name: 8-way 220V optocoupler isolation module 485 communication\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eVersion: V1.01\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eProduct overview:\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eThis product is a device for detecting the presence or absence of 220V voltage using RS485 communication. It has the function of converting the input 220V voltage into RS485 communication information and sending it to the host.\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003e\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003ePower supply voltage: DC12-24V\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eCommunication mode: RS485\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003e\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eProduct protocol:\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eThis product series supports MODBUS-RTU slave protocol\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eFactory default address: 1 can be modified (1-253) 255 is the broadcast address\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eFactory default baud rate: 9600 8 bits 1 stop bit no check\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eWiring method: VCC connects to the positive pole GND connects to the negative pole, A connects to 485+ and B connects to 485-\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eSupported MODBUS function code: 0X03 read 0X06 write 0X10 write (others are not supported)\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eCommunication protocol example: (read the status value of 8 channels)\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eHost sends: 01 03 00 00 00 08 44 0C (can be directly copied to the serial port assistant to test the module)\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eModule returns: 01 03 10 \u003c\/strong\u003e\u003c\/span\u003e\u003cspan style='color:rgba(244,78,59,255);font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003e00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003e 25 59\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eReply analysis: The first 01 is the slave address, 0X03 is the function code, 0X10 indicates the number of valid bytes behind, 16 (red part)\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eThe two bytes in the red part are the value of 1 register, a total of 8 registers, 16 bytes, 00 01 means that the first channel has input 220V\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eAll the 00s behind it mean that the next 7 channels have no input, no 220V input, and the last 2 25 59 are CRC check codes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se8072800a5ab42df8bfb754f57054fffi.png\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eModification method of MODBUS communication address (station number) and baud rate\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003e\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eStation number register 20000 (0X4E20) Baud rate register 20001 (0X4E21)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa4df40c6a89f44a98bb80d9522b2a887X.png\" slate-data-type=\"image\"\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eSample code:\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eThe host sends: 01 06 4E 20 00 03 DF 29\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eThe slave returns: 01 06 4E 20 00 03 DF 29\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eThis code changes the slave address (station number) of MODBUS to 3. It takes effect immediately after the change. You need to use the new address to communicate again.\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eThe host sends: 01 06 4E 21 00 02 4F 29\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eThe slave returns: 01 06 4E 21 00 02 4F 29\r\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eThis code changes the communication baud rate of the slave to 2 (4800). After the change, you need to restart the slave (power off and then power on) to take effect. You need to use the same baud rate to communicate normally again.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S03ffe21d754e4f1897354c2c9e50aa8au.png\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eproduct description:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eProduct size: with shell 115*90*40mm PCB board 86*91mm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eThis product is a module for digital output through RS485 communication.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eIt has the function of converting the presence or absence of 220V voltage into digital signal output.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='font-size:18px;font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e\u003cstrong\u003eProduct agreement:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eThis product series supports MODBUS-RTU slave protocol\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eFactory default address: 1 can be modified (1-254) 255 is the broadcast address\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eFactory default baud rate: 9600, 8 bits, 1 stop bit, no parity\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eWiring method: VCC is connected to the positive pole, GND is connected to the negative pole, A is connected to 485+, B is connected to 485-\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eSupported MODBUS function codes: 0X03 read 0X06 write 0X10 write (others are not supported)\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eCommunication protocol example:\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eThe host sends: 01 03 00 00 00 0A C5 CD (can be directly copied to the serial port assistant to test the module)\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eModule returns: 01 03 14 \u003c\/span\u003e\u003cspan style='color:rgb(244, 78, 59);font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e00 01 00 03 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00\u003c\/span\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e AF 6B\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eReply analysis: the first 01 is the slave address, 0X03 is the function code\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e0X14 is the number of valid bytes behind 20 (red part)\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eThe two bytes in the red part are the value of 1 register\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e00 01 is the device address,\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e00 03 is the communication baud rate means 9600\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003e00 01 means that the first channel has 220V access\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eThe following are all 0, which means that the following channels are not connected to 220V.\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eThe last 2 (AF 6B) are CRC\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cspan style='font-family:\"Trebuchet MS\", Helvetica, sans-serif'\u003eThe register point table is as follows:\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6101c061f46c4b47a1cdeeef36246ddet.png\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5ce0deeb66af4e63a4ca7ae1a70b56dd7.png\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S490ebae2960947a8bb039eae351107aci.png\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"23589528\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55513878724907,"sku":"\u003cnone\u003e","price":150.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S03ffe21d754e4f1897354c2c9e50aa8au.webp?v=1789008211","url":"https:\/\/yoeruyo.com\/products\/8-way-220v-ac-detection-module-modbus-module-rs485-communication-detection-mains-power-can-be-connected-to-plc","provider":"Yoeruyo","version":"1.0","type":"link"}