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... ... @@ -7,75 +7,87 @@ 7 7 8 8 9 9 10 -= **1. Introduction**=10 += 1. Introduction = 11 11 12 12 13 13 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 14 14 15 15 16 -== **1.1 Example 1: Connect to Leak relay and VFD**==16 +== 1.1 Example 1: Connect to Leak relay and VFD == 17 17 18 18 19 19 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: 20 20 21 -[[image:image-20220527091852-1.png]] 22 22 23 - Connection22 +[[image:image-20220527091852-1.png||height="547" width="994"]] 24 24 24 +**Connection** 25 25 26 26 27 + 27 27 [[image:image-20220527091942-2.png]](% style="display:none" %) 28 28 29 -Connection 30 +**Connection** 30 30 31 31 32 -Related documents: 33 +(% style="color:blue" %)**Related documents:** 33 33 34 -* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure 35 -* [[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. 35 +* System Structure: [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]] 36 + 37 +* Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code: [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]] 38 + 36 36 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 37 37 38 -== **1.2 Example 2: Connect to Pulse Counter** == 39 39 40 40 43 +== 1.2 Example 2: Connect to Pulse Counter == 44 + 45 + 41 41 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: 42 42 43 43 44 -[[image:image-20220527092058-3.png]] 49 +[[image:image-20220527092058-3.png||height="552" width="905"]] 45 45 46 -Connection 51 +**Connection** 47 47 48 48 49 49 50 -[[image:image-20220527092146-4.png]] 55 +[[image:image-20220527092146-4.png||height="507" width="906"]] 51 51 52 -Connection 57 +**Connection** 53 53 54 54 55 -* 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/]] 60 +(% style="color:blue" %)**Related documents:** 61 + 62 +* 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/||_mstmutation="1"]] 63 + 56 56 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 57 57 58 -== **1.3 Example3: Use RS485-LN with energy meters** == 59 59 60 -=== **1.3.1 OverView** === 61 61 68 +== 1.3 Example 3: Use RS485-LN with energy meters == 62 62 70 +=== 1.3.1 OverView === 71 + 72 + 63 63 ((( 64 -(% style="color:red" %)**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 74 +(% style="color:red" %)**Note**:**The specifications of each energy meter are different, please refer to your own energy meter specifications.** 65 65 ))) 66 66 67 67 ((( 68 68 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 79 + 80 + 69 69 ))) 70 70 71 71 [[image:image-20220527092419-5.png]] 72 72 73 -Connection1 85 +**Connection1** 74 74 75 75 76 76 77 77 ((( 78 -**How to connect with Energy Meter:** 90 +(% style="color:blue" %)**How to connect with Energy Meter:** 79 79 80 80 81 81 ))) ... ... @@ -89,29 +89,31 @@ 89 89 ))) 90 90 91 91 ((( 92 -Power Source VIN to RS485-LN VIN+ 104 +Power Source **VIN** to RS485-LN **VIN+** 93 93 ))) 94 94 95 95 ((( 96 -Power Source GND to RS485-LN VIN- 108 +Power Source **GND** to RS485-LN **VIN-** 97 97 ))) 98 98 99 99 ((( 100 100 Once there is power, the RS485-LN will be on. 113 + 114 + 101 101 ))) 102 102 103 103 [[image:image-20220527092514-6.png]] 104 104 105 -Connection2 119 +**Connection2** 106 106 107 107 108 108 109 109 [[image:image-20220527092555-7.png]] 110 110 111 -Connection3 125 +**Connection3** 112 112 113 113 114 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands**===128 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 115 115 116 116 117 117 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. ... ... @@ -122,9 +122,13 @@ 122 122 (% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 123 123 124 124 * The first byte : slave address code (=001~247) 139 + 125 125 * The second byte : read register value function code 141 + 126 126 * 3rd and 4th bytes: start address of register to be read 143 + 127 127 * 5th and 6th bytes: Number of registers to read 145 + 128 128 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 129 129 130 130 ((( ... ... @@ -137,23 +137,22 @@ 137 137 ))) 138 138 139 139 * The first byte ARD: slave address code (=001~254) 158 + 140 140 * The second byte: Return to read function code 160 + 141 141 * 3rd byte: total number of bytes 162 + 142 142 * 4th~5th bytes: register data 164 + 143 143 * The 6th and 7th bytes: CRC16 checksum 166 + 144 144 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 145 145 146 -(% class="wikigeneratedid" %) 147 -((( 148 - 149 149 150 150 151 - 152 -))) 171 +=== 1.3.3 How to configure RS485-LN and parse output commands === 153 153 154 -=== **1.3.3 How to configure RS485-LN and parse output commands** === 155 155 156 - 157 157 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 158 158 159 159 ... ... @@ -164,16 +164,18 @@ 164 164 165 165 ((( 166 166 If the configured parameters and commands are incorrect, the return value is not obtained. 184 + 185 + 167 167 ))) 168 168 169 169 [[image:image-20220601143201-9.png]] 170 170 171 -AT COMMAND 190 +**AT COMMAND** 172 172 173 173 174 174 (% class="box infomessage" %) 175 175 ((( 176 - **AT+DATACUTx **: This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 195 + (% _mstmutation="1" %)**AT+DATACUTx **(%%): This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 177 177 ))) 178 178 179 179 a: length for the return of AT+COMMAND ... ... @@ -184,16 +184,15 @@ 184 184 185 185 [[image:image-20220601143115-8.png]] 186 186 187 -AT COMMAND 206 +**AT COMMAND** 188 188 189 189 190 190 191 191 PAYLOAD is available after the valid value is intercepted. 192 192 193 - 194 194 [[image:image-20220601143046-7.png]] 195 195 196 -AT COMMAND 214 +**AT COMMAND** 197 197 198 198 199 199 ... ... @@ -202,7 +202,7 @@ 202 202 [[image:image-20220601143519-1.png]] 203 203 204 204 ((( 205 -AT COMMAND 223 +**AT COMMAND** 206 206 ))) 207 207 208 208 ((( ... ... @@ -212,7 +212,7 @@ 212 212 ((( 213 213 (% style="color:blue" %)**Example**: 214 214 215 -CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 233 +(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 216 216 ))) 217 217 218 218 ((( ... ... @@ -226,7 +226,7 @@ 226 226 ))) 227 227 228 228 ((( 229 -CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1 247 +(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1 230 230 ))) 231 231 232 232 ((( ... ... @@ -240,7 +240,7 @@ 240 240 ))) 241 241 242 242 ((( 243 -CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 261 +(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 244 244 ))) 245 245 246 246 ((( ... ... @@ -260,14 +260,16 @@ 260 260 AT COMMAND 261 261 262 262 263 -(% 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.** 264 264 282 +(% style="color:blue" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.** 265 265 284 + 266 266 [[image:image-20220601143642-2.png]] 267 267 268 268 AT COMMAND 269 269 270 270 290 + 271 271 ==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 272 272 273 273 ... ... @@ -274,15 +274,13 @@ 274 274 [[image:image-20220527093358-15.png]] 275 275 276 276 ((( 277 -DOWNLINK 297 +**DOWNLINK** 278 278 ))) 279 279 280 -((( 281 - 282 -))) 283 283 301 + 284 284 ((( 285 -(% style="color: #4f81bd" %)**Type Code 0xAF**303 +(% style="color:blue" %)**Type Code 0xAF** 286 286 ))) 287 287 288 288 ((( ... ... @@ -293,7 +293,7 @@ 293 293 ))) 294 294 295 295 ((( 296 -(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 314 +(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.** 297 297 ))) 298 298 299 299 ((( ... ... @@ -328,9 +328,8 @@ 328 328 will execute an uplink after got this command. 329 329 ))) 330 330 331 -((( 332 - 333 333 350 +((( 334 334 (% style="color:blue" %)**Example:** 335 335 ))) 336 336 ... ... @@ -340,35 +340,36 @@ 340 340 341 341 [[image:image-20220601144149-6.png]] 342 342 343 -DOWNLINK 360 +**DOWNLINK** 344 344 345 345 346 346 347 347 [[image:image-20220601143803-3.png]] 348 348 349 -DOWNLINK 366 +**DOWNLINK** 350 350 351 351 352 352 353 353 [[image:image-20220601144053-5.png]] 354 354 355 -DOWNLINK 372 +**DOWNLINK** 356 356 357 357 358 358 359 359 [[image:image-20220601143921-4.png]] 360 360 361 -DOWNLINK 378 +**DOWNLINK** 362 362 363 363 364 364 365 365 [[image:image-20220601142805-5.png]] 366 366 367 -DOWNLINK 368 - 384 +**DOWNLINK** 369 369 370 -=== **1.3.4 How to configure and output commands for RS485 to USB** === 371 371 387 +=== 1.3.4 How to configure and output commands for RS485 to USB === 388 + 389 + 372 372 ((( 373 373 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. 374 374 ))) ... ... @@ -393,20 +393,18 @@ 393 393 394 394 [[image:image-20220527093708-21.png]] 395 395 396 -USB 414 +**USB** 397 397 398 398 399 399 400 400 [[image:image-20220527093747-22.png]] 401 401 402 -USB 420 +**USB** 403 403 404 404 405 405 406 406 ((( 407 407 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 - 409 - 410 410 ))) 411 411 412 412 ((( ... ... @@ -421,12 +421,13 @@ 421 421 422 422 [[image:image-20220527093821-23.png]] 423 423 424 -USB 440 +**USB** 425 425 426 426 427 -=== **1.3.5 How to configure multiple devices and modify device addresses** === 428 428 444 +=== 1.3.5 How to configure multiple devices and modify device addresses === 429 429 446 + 430 430 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. 431 431 432 432 ((( ... ... @@ -440,6 +440,7 @@ 440 440 441 441 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 442 442 460 + 443 443 [[image:image-20220527093950-25.png]] 444 444 445 445 ... ... @@ -454,7 +454,7 @@ 454 454 455 455 ((( 456 456 ((( 457 -We can use **AT+CFGDEV** to set the device address. 475 +We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address. 458 458 ))) 459 459 ))) 460 460 ... ... @@ -472,9 +472,9 @@ 472 472 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 473 473 ))) 474 474 475 -* 01:device adaress 493 +* 01: device adaress 476 476 477 -* 10:function code 495 +* 10: function code 478 478 479 479 * 00 61:Register address 480 480 ... ... @@ -498,14 +498,14 @@ 498 498 [[image:image-20220601142607-4.png]] 499 499 500 500 501 -**PAYLOAD:01 08 DF 43 62** 519 +(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62** 502 502 503 503 * 08 DF is the valid value of the meter with device address 02. 504 504 * 43 62 is the valid value of the meter with device address 01. 505 505 524 +(% style="display:none" %) (%%) 506 506 507 507 508 - 509 509 == 1.4 Example 4: Circuit Breaker Remote Open Close == 510 510 511 511 ... ... @@ -515,22 +515,21 @@ 515 515 516 516 [[image:image-20220527094330-30.png]] 517 517 518 -Connection 536 +**Connection** 519 519 520 520 521 -* Configure Documen: [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]] 539 +* Configure Documen: [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/||_mstmutation="1"]] 522 522 523 523 524 524 525 - 526 526 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 527 527 528 528 529 529 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-BL to connect to SEM Three Energy Meter and send the data to mobile phone for remote minitor. The structure is like below: 530 530 531 -* Configure Document For RS485-BL: [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Application_Note/&file=Dragino%20RS485BL%20and%20pickdata%20SEM%20Three%20v1.pdf||style="background-color: rgb(255, 255, 255);"]] 532 -* Configure Document for RS485-LN: [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/SEM_Three_Energy_Meter/&file=SEM%20three%20and%20Dragino%20RS485-LN%20v1.pdf]] 548 +* Configure Document For RS485-BL: [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Application_Note/&file=Dragino%20RS485BL%20and%20pickdata%20SEM%20Three%20v1.pdf||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]] 533 533 550 +* Configure Document for RS485-LN: [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/SEM_Three_Energy_Meter/&file=SEM%20three%20and%20Dragino%20RS485-LN%20v1.pdf||_mstmutation="1"]] 534 534 535 535 536 536 ... ... @@ -539,11 +539,10 @@ 539 539 540 540 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 CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below: 541 541 542 -* Configure Document For RS485-LN: [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf||style="background-color: rgb(255, 255, 255);"]] 559 +* Configure Document For RS485-LN: [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]] 543 543 544 544 545 545 546 - 547 547 == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 548 548 549 549