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... ... @@ -42,7 +42,7 @@ 42 42 === 1.3.1 OverView === 43 43 44 44 ((( 45 - **Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications.45 +Note:The specifications of each energy meter are different, please refer to your own energy meter specifications. 46 46 ))) 47 47 48 48 ((( ... ... @@ -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.79 +If the user needs to read the parameters of the electric energy meter and use the modbus command, 80 80 81 +please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter. 82 + 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: ====109 +==== 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.111 +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**117 +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 01,1143 +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 ... ... @@ -177,91 +177,54 @@ 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 184 184 173 +==== 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 -((( 191 191 DOWNLINK 192 -))) 193 193 194 -((( 195 - 196 -))) 197 - 198 -((( 199 199 Type Code 0xAF 200 -))) 201 201 202 -((( 203 203 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 204 -))) 205 205 206 -((( 207 207 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 208 -))) 209 209 210 -((( 211 211 Format: AF MM NN LL XX XX XX XX YY 212 -))) 213 213 214 -((( 215 215 Where: 216 -))) 217 217 218 -((( 219 219 MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 220 -))) 221 221 222 -((( 223 223 NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 224 -))) 225 225 226 -((( 227 227 LL: The length of AT+COMMAND or AT+DATACUT command 228 -))) 229 229 230 -((( 231 231 XX XX XX XX: AT+COMMAND or AT+DATACUT command 232 -))) 233 233 234 -((( 235 235 YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN 236 -))) 237 237 238 -((( 239 239 will execute an uplink after got this command. 240 -))) 241 241 242 -((( 243 243 Example: 244 -))) 245 245 246 -((( 247 247 AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 248 -))) 249 249 250 250 [[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]] 251 251 252 252 DOWNLINK 253 253 254 - 255 255 [[~[~[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]] 256 256 257 257 DOWNLINK 258 258 259 - 260 260 [[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]] 261 261 262 262 DOWNLINK 263 263 264 - 265 265 [[~[~[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]] 266 266 267 267 DOWNLINK