Last modified by Karry Zhuang on 2024/07/11 11:58
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -7,78 +7,79 @@ 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:** 33 33 34 -* System Structure: [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||style="background-color: rgb(255, 255, 255);"]] 35 -* 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/||style="background-color: rgb(255, 255, 255);"]] 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 +* 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);"]] 36 36 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 37 37 38 38 39 39 40 -== **1.2 Example 2: Connect to Pulse Counter**==41 +== 1.2 Example 2: Connect to Pulse Counter == 41 41 42 42 43 43 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: 44 44 45 45 46 -[[image:image-20220527092058-3.png]] 47 +[[image:image-20220527092058-3.png||height="552" width="905"]] 47 47 48 -Connection 49 +**Connection** 49 49 50 50 51 51 52 -[[image:image-20220527092146-4.png]] 53 +[[image:image-20220527092146-4.png||height="507" width="906"]] 53 53 54 -Connection 55 +**Connection** 55 55 56 56 57 57 (% style="color:blue" %)**Related documents:** 58 58 59 -* 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 +* 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"]] 60 60 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 61 61 62 62 63 63 65 +== 1.3 Example 3: Use RS485-LN with energy meters == 64 64 65 -== **1.3Example3: UseRS485-LNwithenergy meters**==67 +=== 1.3.1 OverView === 66 66 67 67 68 -=== **1.3.1 OverView** === 69 - 70 - 71 71 ((( 72 -(% 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.** 73 73 ))) 74 74 75 75 ((( 76 76 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 76 + 77 + 77 77 ))) 78 78 79 79 [[image:image-20220527092419-5.png]] 80 80 81 -Connection1 82 +**Connection1** 82 82 83 83 84 84 ... ... @@ -106,20 +106,22 @@ 106 106 107 107 ((( 108 108 Once there is power, the RS485-LN will be on. 110 + 111 + 109 109 ))) 110 110 111 111 [[image:image-20220527092514-6.png]] 112 112 113 -Connection2 116 +**Connection2** 114 114 115 115 116 116 117 117 [[image:image-20220527092555-7.png]] 118 118 119 -Connection3 122 +**Connection3** 120 120 121 121 122 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands**===125 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 123 123 124 124 125 125 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. ... ... @@ -155,17 +155,16 @@ 155 155 ((( 156 156 157 157 158 - 159 159 160 160 ))) 161 161 162 -=== **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 === 163 163 164 164 165 165 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 166 166 167 167 168 -==== **1.3.3.1 via AT COMMAND**====170 +==== 1.3.3.1 via AT COMMAND ==== 169 169 170 170 171 171 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. ... ... @@ -172,16 +172,18 @@ 172 172 173 173 ((( 174 174 If the configured parameters and commands are incorrect, the return value is not obtained. 177 + 178 + 175 175 ))) 176 176 177 177 [[image:image-20220601143201-9.png]] 178 178 179 -AT COMMAND 183 +**AT COMMAND** 180 180 181 181 182 182 (% class="box infomessage" %) 183 183 ((( 184 - **AT+DATACUTx **: This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 188 + (% _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 185 185 ))) 186 186 187 187 a: length for the return of AT+COMMAND ... ... @@ -192,16 +192,15 @@ 192 192 193 193 [[image:image-20220601143115-8.png]] 194 194 195 -AT COMMAND 199 +**AT COMMAND** 196 196 197 197 198 198 199 199 PAYLOAD is available after the valid value is intercepted. 200 200 201 - 202 202 [[image:image-20220601143046-7.png]] 203 203 204 -AT COMMAND 207 +**AT COMMAND** 205 205 206 206 207 207 ... ... @@ -210,7 +210,7 @@ 210 210 [[image:image-20220601143519-1.png]] 211 211 212 212 ((( 213 -AT COMMAND 216 +**AT COMMAND** 214 214 ))) 215 215 216 216 ((( ... ... @@ -220,7 +220,8 @@ 220 220 ((( 221 221 (% style="color:blue" %)**Example**: 222 222 223 -CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 226 + 227 +(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 224 224 ))) 225 225 226 226 ((( ... ... @@ -234,7 +234,7 @@ 234 234 ))) 235 235 236 236 ((( 237 -CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1 241 +(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1 238 238 ))) 239 239 240 240 ((( ... ... @@ -248,7 +248,7 @@ 248 248 ))) 249 249 250 250 ((( 251 -CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 255 +(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 252 252 ))) 253 253 254 254 ((( ... ... @@ -261,6 +261,8 @@ 261 261 262 262 ((( 263 263 Payload: 01 00 02 39 85 08 DC 00 00 00 44 268 + 269 + 264 264 ))) 265 265 266 266 [[image:image-20220601142936-6.png]] ... ... @@ -268,21 +268,23 @@ 268 268 AT COMMAND 269 269 270 270 271 -(% 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.** 272 272 278 +(% 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.** 273 273 280 + 274 274 [[image:image-20220601143642-2.png]] 275 275 276 276 AT COMMAND 277 277 278 278 279 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 280 280 287 +==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 281 281 289 + 282 282 [[image:image-20220527093358-15.png]] 283 283 284 284 ((( 285 -DOWNLINK 293 +**DOWNLINK** 286 286 ))) 287 287 288 288 ((( ... ... @@ -290,7 +290,7 @@ 290 290 ))) 291 291 292 292 ((( 293 -(% style="color: #4f81bd" %)**Type Code 0xAF**301 +(% style="color:blue" %)**Type Code 0xAF** 294 294 ))) 295 295 296 296 ((( ... ... @@ -301,7 +301,9 @@ 301 301 ))) 302 302 303 303 ((( 304 -(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 312 +(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.** 313 + 314 + 305 305 ))) 306 306 307 307 ((( ... ... @@ -348,35 +348,36 @@ 348 348 349 349 [[image:image-20220601144149-6.png]] 350 350 351 -DOWNLINK 361 +**DOWNLINK** 352 352 353 353 354 354 355 355 [[image:image-20220601143803-3.png]] 356 356 357 -DOWNLINK 367 +**DOWNLINK** 358 358 359 359 360 360 361 361 [[image:image-20220601144053-5.png]] 362 362 363 -DOWNLINK 373 +**DOWNLINK** 364 364 365 365 366 366 367 367 [[image:image-20220601143921-4.png]] 368 368 369 -DOWNLINK 379 +**DOWNLINK** 370 370 371 371 372 372 373 373 [[image:image-20220601142805-5.png]] 374 374 375 -DOWNLINK 376 - 385 +**DOWNLINK** 377 377 378 -=== **1.3.4 How to configure and output commands for RS485 to USB** === 379 379 388 +=== 1.3.4 How to configure and output commands for RS485 to USB === 389 + 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 ... ... @@ -429,12 +429,13 @@ 429 429 430 430 [[image:image-20220527093821-23.png]] 431 431 432 -USB 443 +**USB** 433 433 434 434 435 -=== **1.3.5 How to configure multiple devices and modify device addresses** === 436 436 447 +=== 1.3.5 How to configure multiple devices and modify device addresses === 437 437 449 + 438 438 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. 439 439 440 440 ((( ... ... @@ -448,6 +448,7 @@ 448 448 449 449 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 450 450 463 + 451 451 [[image:image-20220527093950-25.png]] 452 452 453 453 ... ... @@ -462,7 +462,7 @@ 462 462 463 463 ((( 464 464 ((( 465 -We can use **AT+CFGDEV** to set the device address. 478 +We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address. 466 466 ))) 467 467 ))) 468 468 ... ... @@ -480,9 +480,9 @@ 480 480 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 481 481 ))) 482 482 483 -* 01:device adaress 496 +* 01: device adaress 484 484 485 -* 10:function code 498 +* 10: function code 486 486 487 487 * 00 61:Register address 488 488 ... ... @@ -506,12 +506,14 @@ 506 506 [[image:image-20220601142607-4.png]] 507 507 508 508 509 -**PAYLOAD:01 08 DF 43 62** 522 +(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62** 510 510 511 511 * 08 DF is the valid value of the meter with device address 02. 512 512 * 43 62 is the valid value of the meter with device address 01. 513 513 527 +(% style="display:none" %) (%%) 514 514 529 +(% style="display:none" %) (%%) 515 515 516 516 == 1.4 Example 4: Circuit Breaker Remote Open Close == 517 517 ... ... @@ -525,7 +525,7 @@ 525 525 Connection 526 526 527 527 528 -* 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/]] 543 +* 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"]] 529 529 530 530 531 531 ... ... @@ -534,8 +534,8 @@ 534 534 535 535 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: 536 536 537 -* 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);"]] 538 -* 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]] 552 +* 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);"]] 553 +* 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"]] 539 539 540 540 541 541 ... ... @@ -544,7 +544,7 @@ 544 544 545 545 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: 546 546 547 -* 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);"]] 562 +* 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);"]] 548 548 549 549 550 550