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... ... @@ -1,19 +1,36 @@ 1 -= 1. Introduction = 1 +(% class="wikigeneratedid" %) 2 +* 3 +** Table of** **Contents: 2 2 5 +{{toc/}} 6 + 7 + 8 + 9 + 10 + 11 + 12 += **1. Introduction** = 13 + 14 + 3 3 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 4 4 5 -== 1.1 Example 1: Connect to Leak relay and VFD == 6 6 18 +== **1.1 Example 1: Connect to Leak relay and VFD** == 19 + 20 + 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"]]23 +[[image:image-20220527091852-1.png]] 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" %) 14 14 28 + 29 +[[image:image-20220527091942-2.png]](% style="display:none" %) 30 + 15 15 Connection 16 16 33 + 17 17 Related documents: 18 18 19 19 * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure ... ... @@ -20,27 +20,33 @@ 20 20 * [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code. 21 21 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 22 22 23 -== 1.2 Example 2: Connect to Pulse Counter == 40 +== **1.2 Example 2: Connect to Pulse Counter** == 24 24 42 + 25 25 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 Pulse Counter and communicate with Mobile. This example and example 2 compose the structure for a farm IoT solution. The structure is like below: 26 26 27 -[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]] 28 28 46 +[[image:image-20220527092058-3.png]] 47 + 29 29 Connection 30 30 31 -[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]] 32 32 51 + 52 +[[image:image-20220527092146-4.png]] 53 + 33 33 Connection 34 34 35 -* [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]] : Configure Document 56 + 57 +* Configure Document: [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]] 36 36 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 37 37 38 -== 1.3 Example3: Use RS485-LN with energy meters == 60 +== **1.3 Example3: Use RS485-LN with energy meters** == 39 39 40 -=== 1.3.1 OverView === 62 +=== **1.3.1 OverView** === 41 41 64 + 42 42 ((( 43 -**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 66 +(% style="color:red" %)**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 44 44 ))) 45 45 46 46 ((( ... ... @@ -47,43 +47,59 @@ 47 47 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 48 48 ))) 49 49 50 -[[image: https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]73 +[[image:image-20220527092419-5.png]] 51 51 52 52 Connection1 53 53 54 -How to connect with Energy Meter: 55 55 78 + 79 +((( 80 +**How to connect with Energy Meter:** 81 + 82 + 83 +))) 84 + 85 +((( 56 56 Follow the instructions of the electric energy meter to connect the phase line and the neutral line, and then connect 485A+ and 485B- to RS485A and RA485B of RS485-LN respectively. 87 +))) 57 57 89 +((( 58 58 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 91 +))) 59 59 93 +((( 60 60 Power Source VIN to RS485-LN VIN+ 95 +))) 61 61 97 +((( 62 62 Power Source GND to RS485-LN VIN- 99 +))) 63 63 101 +((( 64 64 Once there is power, the RS485-LN will be on. 103 +))) 65 65 66 -[[image: https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]105 +[[image:image-20220527092514-6.png]] 67 67 68 68 Connection2 69 69 70 70 71 -[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="763" width="573"]] 72 72 111 +[[image:image-20220527092555-7.png]] 112 + 73 73 Connection3 74 74 75 75 76 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 116 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 77 77 118 + 78 78 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 79 80 -[[image: https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]121 +[[image:image-20220601143257-10.png]] 81 81 82 -(% class="box infomessage" %) 83 -((( 84 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 85 -))) 86 86 124 +(% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 125 + 87 87 * The first byte : slave address code (=001~247) 88 88 * The second byte : read register value function code 89 89 * 3rd and 4th bytes: start address of register to be read ... ... @@ -91,12 +91,12 @@ 91 91 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 92 92 93 93 ((( 133 + 134 + 135 + 94 94 How to parse the reading of the return command of the parameter: 95 -))) 96 96 97 -(% class="box infomessage" %) 98 -((( 99 -Example:RETURN1:01 03 02 08 FD 7E 05 138 +(% style="color:blue" %)**Example:**(%%) RETURN1:01 03 02 08 FD 7E 05 100 100 ))) 101 101 102 102 * The first byte ARD: slave address code (=001~254) ... ... @@ -106,109 +106,136 @@ 106 106 * The 6th and 7th bytes: CRC16 checksum 107 107 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 108 108 109 -=== 1.3.3 How to configure RS485-LN and parse output commands === 148 +(% class="wikigeneratedid" %) 149 +((( 150 + 110 110 152 + 153 + 154 +))) 155 + 156 +=== **1.3.3 How to configure RS485-LN and parse output commands** === 157 + 158 + 111 111 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 112 112 113 -==== 1.3.3.1 via AT COMMAND: ==== 114 114 115 - First,wecanuse **AT+CFGDEV**to get the return value, and we can also judge whether the input parameters are correct.162 +==== **1.3.3.1 via AT COMMAND** ==== 116 116 164 + 165 +First, we can use (% style="color:blue" %)**AT+CFGDEV**(%%) to get the return value, and we can also judge whether the input parameters are correct. 166 + 117 117 ((( 118 118 If the configured parameters and commands are incorrect, the return value is not obtained. 119 119 ))) 120 120 121 -[[image: https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]171 +[[image:image-20220601143201-9.png]] 122 122 123 123 AT COMMAND 124 124 175 + 125 125 (% class="box infomessage" %) 126 126 ((( 127 -AT+DATACUTx 178 + **AT+DATACUTx **: This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 128 128 ))) 129 129 130 -a: length for the return of AT+COMMAND 181 +a: length for the return of AT+COMMAND 131 131 132 -b:1: grab valid value by byte, max 6 bytes .2: grab valid value by bytes section, max 3 sections.183 +b: 1: grab valid value by byte, max 6 bytes; 2: grab valid value by bytes section, max 3 sections. 133 133 134 -c: define the position for valid value. 185 +c: define the position for valid value. 135 135 136 -[[image: https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]187 +[[image:image-20220601143115-8.png]] 137 137 138 138 AT COMMAND 139 139 191 + 192 + 140 140 PAYLOAD is available after the valid value is intercepted. 141 141 142 142 143 -[[image: https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]196 +[[image:image-20220601143046-7.png]] 144 144 145 145 AT COMMAND 146 146 147 -You can get configured PAYLOAD on TTN. 148 148 149 149 150 - [[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]202 +You can get configured PAYLOAD on TTN. 151 151 204 +[[image:image-20220601143519-1.png]] 205 + 152 152 ((( 153 153 AT COMMAND 154 154 ))) 155 155 156 156 ((( 157 - **Example**:CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1211 + 158 158 ))) 159 159 160 160 ((( 161 -RETURN1:01 03 02 00 02 39 85 00 00(return data) 215 +(% style="color:blue" %)**Example**: 216 + 217 +CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 162 162 ))) 163 163 164 164 ((( 165 - AT+DATACUT1:9,1,4+5+6+7Takethereturn value00 02 39 85asthe valid value ofreading currentdataand used to splice payload.221 +RETURN1: 01 03 02 00 02 39 85 00 00(return data) 166 166 ))) 167 167 168 168 ((( 169 -CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1 225 +AT+DATACUT1: 9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload. 226 + 227 + 170 170 ))) 171 171 172 172 ((( 173 -R ETURN2:01 03 0208DCBE1D(return data)231 +CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1 174 174 ))) 175 175 176 176 ((( 177 - AT+DATACUT2:7,1,4+5Takethereturn value08 DCasthevalid value ofreadingvoltagedataand used to splice payload.235 +RETURN2: 01 03 02 08 DC BE 1D(return data) 178 178 ))) 179 179 180 180 ((( 181 -CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 239 +AT+DATACUT2: 7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload. 240 + 241 + 182 182 ))) 183 183 184 184 ((( 185 -R ETURN3:0103 0400000044 FA00(returndata)245 +CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 186 186 ))) 187 187 188 188 ((( 189 - AT+DATACUT3:9,1,4+5+6+7Takethereturn value00 00 00 44asthevalid value ofreadingtotal active energydataand used to splice payload.249 +RETURN3: 01 03 04 00 00 00 44 FA 00(return data) 190 190 ))) 191 191 192 192 ((( 193 - Payload:010002398508 DC0000 00 44253 +AT+DATACUT3: 9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload. 194 194 ))) 195 195 196 -[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]] 256 +((( 257 +Payload: 01 00 02 39 85 08 DC 00 00 00 44 258 +))) 197 197 260 +[[image:image-20220601142936-6.png]] 261 + 198 198 AT COMMAND 199 199 200 -01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 201 201 265 +(% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.** 202 202 203 -[[~[~[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]] 204 204 268 +[[image:image-20220601143642-2.png]] 269 + 205 205 AT COMMAND 206 206 207 207 208 -==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 273 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 209 209 210 -[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]] 211 211 276 +[[image:image-20220527093358-15.png]] 277 + 212 212 ((( 213 213 DOWNLINK 214 214 ))) ... ... @@ -218,12 +218,15 @@ 218 218 ))) 219 219 220 220 ((( 221 -Type Code 0xAF 287 +(% style="color:#4f81bd" %)**Type Code 0xAF** 222 222 ))) 223 223 224 224 ((( 291 +(% class="box infomessage" %) 292 +((( 225 225 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 226 226 ))) 295 +))) 227 227 228 228 ((( 229 229 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. ... ... @@ -262,91 +262,139 @@ 262 262 ))) 263 263 264 264 ((( 265 -Example: 334 + 335 + 336 +(% style="color:#4f81bd" %)**Example:** 266 266 ))) 267 267 268 268 ((( 269 -AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 340 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 270 270 ))) 271 271 272 -[[image: https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]343 +[[image:image-20220601144149-6.png]] 273 273 274 274 DOWNLINK 275 275 276 276 277 -[[~[~[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]] 278 278 349 +[[image:image-20220601143803-3.png]] 350 + 279 279 DOWNLINK 280 280 281 281 282 -[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]] 283 283 355 +[[image:image-20220601144053-5.png]] 356 + 284 284 DOWNLINK 285 285 286 286 287 -[[~[~[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]] 288 288 361 +[[image:image-20220601143921-4.png]] 362 + 289 289 DOWNLINK 290 290 291 -[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]] 292 292 366 + 367 +[[image:image-20220601142805-5.png]] 368 + 293 293 DOWNLINK 294 294 295 295 296 -=== 1.3.4 How to configure and output commands for RS485 to USB === 372 +=== **1.3.4 How to configure and output commands for RS485 to USB** === 297 297 374 +((( 298 298 This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN. 376 +))) 299 299 378 +((( 300 300 First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter. 380 +))) 301 301 382 +((( 302 302 Open the serial port debugging, set the send and receive to HEX. 384 +))) 303 303 386 +((( 304 304 Baud rate: 9600 388 +))) 305 305 390 +((( 306 306 check digit: Even 392 +))) 307 307 308 -[[image: https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]]394 +[[image:image-20220527093708-21.png]] 309 309 310 310 USB 311 311 312 -[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]] 313 313 399 + 400 +[[image:image-20220527093747-22.png]] 401 + 314 314 USB 315 315 404 + 405 + 406 +((( 316 316 The configuration command is consistent with the AT command, input the hexadecimal command directly into the serial port, and the serial port will output the command. 408 +))) 317 317 318 -Example:input:01 03 00 31 00 02 95 c4 410 +((( 411 +(% style="color:#4f81bd" %)**Example:** (%%)input:01 03 00 31 00 02 95 c4 412 +))) 319 319 320 -{{{ output:01 03 04 00 00 00 42 7A 02 321 -}}} 414 +((( 415 + output:01 03 04 00 00 00 42 7A 02 416 +))) 322 322 323 -[[image: https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]418 +[[image:image-20220527093821-23.png]] 324 324 325 325 USB 326 326 327 -=== 1.3.5 How to configure multiple devices and modify device addresses === 328 328 423 +=== **1.3.5 How to configure multiple devices and modify device addresses** === 424 + 329 329 If users need to read the parameters of multiple energy meters, they need to modify the device address, because the default device address of each energy meter is 01. 330 330 427 +((( 428 +((( 331 331 Set the device address according to the parameters in the appendix of the MODBUS communication protocol. 430 +))) 431 +))) 332 332 333 -[[image: https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]433 +[[image:image-20220601142044-1.png]] 334 334 335 -Example:These two meters are examples of setting parameters and device addresses. 336 336 337 - [[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Doublemeter1.jpg"height="800"width="600"]]436 +**Example**:These two meters are examples of setting parameters and device addresses. 338 338 339 -[[image: https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]]438 +[[image:image-20220527093950-25.png]] 340 340 440 + 441 +[[image:image-20220527094028-26.png]] 442 + 443 +((( 444 +((( 341 341 First of all, since the default device address of the energy meter is 01, the configuration of two energy meters will conflict, so we first connect an energy meter and configure the device address. 446 +))) 447 +))) 342 342 449 +((( 450 +((( 343 343 We can use AT+CFGDEV to set the device address. 452 +))) 453 +))) 344 344 455 +((( 456 +((( 345 345 We modify the device address 01 of the first energy meter to 02. 458 +))) 459 +))) 346 346 347 -[[image: https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]461 +[[image:image-20220601142354-2.png]] 348 348 349 -AT+CFGDEV:01 10 00 61 00 01 02 00 02,1 463 +(% class="box infomessage" %) 464 +((( 465 +**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 466 +))) 350 350 351 351 * 01:device adaress 352 352 ... ... @@ -368,12 +368,13 @@ 368 368 369 369 Its default device address is 01, and the following are the parameters for configuring two energy meters. 370 370 371 -[[image: https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]488 +[[image:image-20220601142452-3.png]] 372 372 373 -[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]] 374 374 375 - PAYLOAD:0108 DF 4362491 +[[image:image-20220601142607-4.png]] 376 376 493 +**PAYLOAD:01 08 DF 43 62** 494 + 377 377 * 08 DF is the valid value of the meter with device address 02. 378 378 * 43 62 is the valid value of the meter with device address 01. 379 379 ... ... @@ -381,7 +381,7 @@ 381 381 382 382 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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. The structure is like below: 383 383 384 -[[image: https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]502 +[[image:image-20220527094330-30.png]] 385 385 386 386 Connection 387 387 ... ... @@ -403,7 +403,7 @@ 403 403 404 404 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 405 405 406 -[[image: https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]524 +[[image:image-20220527094556-31.png]] 407 407 408 408 Network Structure 409 409
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