Last modified by Karry Zhuang on 2024/07/11 11:58
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... ... @@ -6,11 +6,11 @@ 6 6 7 7 This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Relay and VFD and communicate with Mobile. The structure is like below: 8 8 9 -[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height=" 297" width="534"]]9 +[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="334" width="600"]] 10 10 11 11 Connection 12 12 13 -[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height=" 743" width="528"]](% style="display:none" %)13 +[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="844" width="600"]] 14 14 15 15 Connection 16 16 ... ... @@ -41,13 +41,9 @@ 41 41 42 42 === 1.3.1 OverView === 43 43 44 -((( 45 -**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications. 46 -))) 44 +Note：The specifications of each energy meter are different, please refer to your own energy meter specifications. 47 47 48 -((( 49 49 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 50 -))) 51 51 52 52 [[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="800" width="600"]] 53 53 ... ... @@ -76,14 +76,13 @@ 76 76 77 77 === 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 78 78 79 -If the user needs to read the parameters of the electric energy meter and use the modbus command, please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter.75 +If the user needs to read the parameters of the electric energy meter and use the modbus command, 80 80 77 +please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter. 78 + 81 81 [[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]] 82 82 83 -(% class="box infomessage" %) 84 -((( 85 85 Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 86 -))) 87 87 88 88 * The first byte : slave address code (=001～247) 89 89 * The second byte : read register value function code ... ... @@ -93,10 +93,7 @@ 93 93 94 94 How to parse the reading of the return command of the parameter： 95 95 96 -(% class="box infomessage" %) 97 -((( 98 98 Example:RETURN1：01 03 02 08 FD 7E 05 99 -))) 100 100 101 101 * The first byte ARD: slave address code (=001～254) 102 102 * The second byte: Return to read function code ... ... @@ -110,22 +110,17 @@ 110 110 111 111 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 112 112 113 -==== 1.3.3.1via AT COMMAND: ====105 +==== via AT COMMAND: ==== 114 114 115 -First, we can use **AT+CFGDEV**to get the return value, and we can also judge whether the input parameters are correct.107 +First, we can use AT+CFGDEV to get the return value, and we can also judge whether the input parameters are correct. 116 116 117 -((( 118 118 If the configured parameters and commands are incorrect, the return value is not obtained. 119 -))) 120 120 121 121 [[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]] 122 122 123 - **AT COMMAND**113 +AT COMMAND 124 124 125 -(% class="box infomessage" %) 126 -((( 127 127 AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 128 -))) 129 129 130 130 a: length for the return of AT+COMMAND 131 131 ... ... @@ -139,7 +139,6 @@ 139 139 140 140 PAYLOAD is available after the valid value is intercepted. 141 141 142 - 143 143 [[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]] 144 144 145 145 AT COMMAND ... ... @@ -146,12 +146,11 @@ 146 146 147 147 You can get configured PAYLOAD on TTN. 148 148 149 - 150 150 [[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]] 151 151 152 152 AT COMMAND 153 153 154 - **Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1139 +Example: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 155 155 156 156 RETURN1:01 03 02 00 02 39 85 00 00(return data) 157 157 ... ... @@ -177,14 +177,12 @@ 177 177 178 178 01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 179 179 180 - 181 181 [[~[~[image:https://wiki.dragino.com/images/thumb/b/b8/AT_COMMAND11.png/600px-AT_COMMAND11.png~|~|height="271" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:AT_COMMAND11.png]] 182 182 183 183 AT COMMAND 184 184 169 +==== 1.3.3.1 via LoRaWAN DOWNLINK ==== 185 185 186 -==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 187 - 188 188 [[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]] 189 189 190 190 DOWNLINK ... ... @@ -219,17 +219,14 @@ 219 219 220 220 DOWNLINK 221 221 222 - 223 223 [[~[~[image:https://wiki.dragino.com/images/thumb/2/20/DOWNLINK_METER3.png/600px-DOWNLINK_METER3.png~|~|height="105" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER3.png]] 224 224 225 225 DOWNLINK 226 226 227 - 228 228 [[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]] 229 229 230 230 DOWNLINK 231 231 232 - 233 233 [[~[~[image:https://wiki.dragino.com/images/thumb/3/39/DOWNLINK_METER5.png/600px-DOWNLINK_METER5.png~|~|height="176" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER5.png]] 234 234 235 235 DOWNLINK