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... ... @@ -7,26 +7,27 @@ 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 32 (% style="color:blue" %)**Related documents:** ... ... @@ -36,21 +36,22 @@ 36 36 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 37 37 38 38 39 -== **1.2 Example 2: Connect to Pulse Counter** == 40 40 41 +== 1.2 Example 2: Connect to Pulse Counter == 41 41 43 + 42 42 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: 43 43 44 44 45 -[[image:image-20220527092058-3.png]] 47 +[[image:image-20220527092058-3.png||height="552" width="905"]] 46 46 47 -Connection 49 +**Connection** 48 48 49 49 50 50 51 -[[image:image-20220527092146-4.png]] 53 +[[image:image-20220527092146-4.png||height="507" width="906"]] 52 52 53 -Connection 55 +**Connection** 54 54 55 55 56 56 (% style="color:blue" %)**Related documents:** ... ... @@ -59,23 +59,25 @@ 59 59 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 60 60 61 61 62 -== **1.3 Example3: Use RS485-LN with energy meters** == 63 63 65 +== 1.3 Example 3: Use RS485-LN with energy meters == 64 64 65 -=== **1.3.1 OverView**===67 +=== 1.3.1 OverView === 66 66 67 67 68 68 ((( 69 -(% style="color:red" %)**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 71 +(% style="color:red" %)**Note**:**The specifications of each energy meter are different, please refer to your own energy meter specifications.** 70 70 ))) 71 71 72 72 ((( 73 73 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 76 + 77 + 74 74 ))) 75 75 76 76 [[image:image-20220527092419-5.png]] 77 77 78 -Connection1 82 +**Connection1** 79 79 80 80 81 81 ... ... @@ -103,22 +103,24 @@ 103 103 104 104 ((( 105 105 Once there is power, the RS485-LN will be on. 110 + 111 + 106 106 ))) 107 107 108 108 [[image:image-20220527092514-6.png]] 109 109 110 -Connection2 116 +**Connection2** 111 111 112 112 119 + 113 113 [[image:image-20220527092555-7.png]] 114 114 115 -Connection3 122 +**Connection3** 116 116 117 117 125 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 118 118 119 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 120 120 121 - 122 122 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. 123 123 124 124 [[image:image-20220601143257-10.png]] ... ... @@ -152,29 +152,29 @@ 152 152 ((( 153 153 154 154 155 - 156 156 157 157 ))) 158 158 159 -=== **1.3.3 How to configure RS485-LN and parse output commands**===164 +=== 1.3.3 How to configure RS485-LN and parse output commands === 160 160 161 161 162 162 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 163 163 164 164 170 +==== 1.3.3.1 via AT COMMAND ==== 165 165 166 -==== **1.3.3.1 via AT COMMAND** ==== 167 167 168 - 169 169 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. 170 170 171 171 ((( 172 172 If the configured parameters and commands are incorrect, the return value is not obtained. 177 + 178 + 173 173 ))) 174 174 175 175 [[image:image-20220601143201-9.png]] 176 176 177 -AT COMMAND 183 +**AT COMMAND** 178 178 179 179 180 180 (% class="box infomessage" %) ... ... @@ -190,16 +190,15 @@ 190 190 191 191 [[image:image-20220601143115-8.png]] 192 192 193 -AT COMMAND 199 +**AT COMMAND** 194 194 195 195 196 196 197 197 PAYLOAD is available after the valid value is intercepted. 198 198 199 - 200 200 [[image:image-20220601143046-7.png]] 201 201 202 -AT COMMAND 207 +**AT COMMAND** 203 203 204 204 205 205 ... ... @@ -208,7 +208,7 @@ 208 208 [[image:image-20220601143519-1.png]] 209 209 210 210 ((( 211 -AT COMMAND 216 +**AT COMMAND** 212 212 ))) 213 213 214 214 ((( ... ... @@ -218,6 +218,7 @@ 218 218 ((( 219 219 (% style="color:blue" %)**Example**: 220 220 226 + 221 221 (% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 222 222 ))) 223 223 ... ... @@ -259,6 +259,8 @@ 259 259 260 260 ((( 261 261 Payload: 01 00 02 39 85 08 DC 00 00 00 44 268 + 269 + 262 262 ))) 263 263 264 264 [[image:image-20220601142936-6.png]] ... ... @@ -266,9 +266,10 @@ 266 266 AT COMMAND 267 267 268 268 269 -(% 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.** 270 270 278 +(% 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.** 271 271 280 + 272 272 [[image:image-20220601143642-2.png]] 273 273 274 274 AT COMMAND ... ... @@ -275,13 +275,13 @@ 275 275 276 276 277 277 278 -==== **1.3.3.2 via LoRaWAN DOWNLINK**====287 +==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 279 279 280 280 281 281 [[image:image-20220527093358-15.png]] 282 282 283 283 ((( 284 -DOWNLINK 293 +**DOWNLINK** 285 285 ))) 286 286 287 287 ((( ... ... @@ -289,7 +289,7 @@ 289 289 ))) 290 290 291 291 ((( 292 -(% style="color: #4f81bd" %)**Type Code 0xAF**301 +(% style="color:blue" %)**Type Code 0xAF** 293 293 ))) 294 294 295 295 ((( ... ... @@ -301,6 +301,8 @@ 301 301 302 302 ((( 303 303 (% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.** 313 + 314 + 304 304 ))) 305 305 306 306 ((( ... ... @@ -347,36 +347,36 @@ 347 347 348 348 [[image:image-20220601144149-6.png]] 349 349 350 -DOWNLINK 361 +**DOWNLINK** 351 351 352 352 353 353 354 354 [[image:image-20220601143803-3.png]] 355 355 356 -DOWNLINK 367 +**DOWNLINK** 357 357 358 358 359 359 360 360 [[image:image-20220601144053-5.png]] 361 361 362 -DOWNLINK 373 +**DOWNLINK** 363 363 364 364 365 365 366 366 [[image:image-20220601143921-4.png]] 367 367 368 -DOWNLINK 379 +**DOWNLINK** 369 369 370 370 371 371 372 372 [[image:image-20220601142805-5.png]] 373 373 374 -DOWNLINK 375 - 385 +**DOWNLINK** 376 376 377 377 378 -=== **1.3.4 How to configure and output commands for RS485 to USB**===388 +=== 1.3.4 How to configure and output commands for RS485 to USB === 379 379 390 + 380 380 ((( 381 381 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. 382 382 ))) ... ... @@ -401,13 +401,13 @@ 401 401 402 402 [[image:image-20220527093708-21.png]] 403 403 404 -USB 415 +**USB** 405 405 406 406 407 407 408 408 [[image:image-20220527093747-22.png]] 409 409 410 -USB 421 +**USB** 411 411 412 412 413 413 ... ... @@ -429,11 +429,11 @@ 429 429 430 430 [[image:image-20220527093821-23.png]] 431 431 432 -USB 443 +**USB** 433 433 434 434 435 435 436 -=== **1.3.5 How to configure multiple devices and modify device addresses**===447 +=== 1.3.5 How to configure multiple devices and modify device addresses === 437 437 438 438 439 439 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. ... ... @@ -449,6 +449,7 @@ 449 449 450 450 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 451 451 463 + 452 452 [[image:image-20220527093950-25.png]] 453 453 454 454 ... ... @@ -481,9 +481,9 @@ 481 481 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 482 482 ))) 483 483 484 -* 01:device adaress 496 +* 01: device adaress 485 485 486 -* 10:function code 498 +* 10: function code 487 487 488 488 * 00 61:Register address 489 489 ... ... @@ -512,7 +512,10 @@ 512 512 * 08 DF is the valid value of the meter with device address 02. 513 513 * 43 62 is the valid value of the meter with device address 01. 514 514 527 +(% style="display:none" %) (%%) 515 515 529 +(% style="display:none" %) (%%) 530 + 516 516 == 1.4 Example 4: Circuit Breaker Remote Open Close == 517 517 518 518 ... ... @@ -528,6 +528,7 @@ 528 528 * 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"]] 529 529 530 530 546 + 531 531 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 532 532 533 533 ... ... @@ -537,6 +537,7 @@ 537 537 * 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"]] 538 538 539 539 556 + 540 540 == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN == 541 541 542 542 ... ... @@ -545,6 +545,7 @@ 545 545 * 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);"]] 546 546 547 547 565 + 548 548 == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 549 549 550 550