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 41 +== 1.2 Example 2: Connect to Pulse Counter == 40 40 41 -== **1.2 Example 2: Connect to Pulse Counter** == 42 42 43 - 44 44 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: 45 45 46 46 47 -[[image:image-20220527092058-3.png]] 47 +[[image:image-20220527092058-3.png||height="552" width="905"]] 48 48 49 -Connection 49 +**Connection** 50 50 51 51 52 52 53 -[[image:image-20220527092146-4.png]] 53 +[[image:image-20220527092146-4.png||height="507" width="906"]] 54 54 55 -Connection 55 +**Connection** 56 56 57 57 58 58 (% style="color:blue" %)**Related documents:** 59 59 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/]] 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"]] 61 61 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 62 62 63 63 64 64 65 -== **1.3 Example3: Use RS485-LN with energy meters**==65 +== 1.3 Example 3: Use RS485-LN with energy meters == 66 66 67 +=== 1.3.1 OverView === 67 67 68 -=== **1.3.1 OverView** === 69 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 ... ... @@ -106,19 +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** 114 114 115 115 119 + 116 116 [[image:image-20220527092555-7.png]] 117 117 118 -Connection3 122 +**Connection3** 119 119 120 120 121 -=== **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 === 122 122 123 123 124 124 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. ... ... @@ -154,17 +154,16 @@ 154 154 ((( 155 155 156 156 157 - 158 158 159 159 ))) 160 160 161 -=== **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 === 162 162 163 163 164 164 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 165 165 166 166 167 -==== **1.3.3.1 via AT COMMAND**====170 +==== 1.3.3.1 via AT COMMAND ==== 168 168 169 169 170 170 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. ... ... @@ -171,16 +171,18 @@ 171 171 172 172 ((( 173 173 If the configured parameters and commands are incorrect, the return value is not obtained. 177 + 178 + 174 174 ))) 175 175 176 176 [[image:image-20220601143201-9.png]] 177 177 178 -AT COMMAND 183 +**AT COMMAND** 179 179 180 180 181 181 (% class="box infomessage" %) 182 182 ((( 183 - **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 184 184 ))) 185 185 186 186 a: length for the return of AT+COMMAND ... ... @@ -191,16 +191,15 @@ 191 191 192 192 [[image:image-20220601143115-8.png]] 193 193 194 -AT COMMAND 199 +**AT COMMAND** 195 195 196 196 197 197 198 198 PAYLOAD is available after the valid value is intercepted. 199 199 200 - 201 201 [[image:image-20220601143046-7.png]] 202 202 203 -AT COMMAND 207 +**AT COMMAND** 204 204 205 205 206 206 ... ... @@ -209,7 +209,7 @@ 209 209 [[image:image-20220601143519-1.png]] 210 210 211 211 ((( 212 -AT COMMAND 216 +**AT COMMAND** 213 213 ))) 214 214 215 215 ((( ... ... @@ -219,6 +219,7 @@ 219 219 ((( 220 220 (% style="color:blue" %)**Example**: 221 221 226 + 222 222 (% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 223 223 ))) 224 224 ... ... @@ -260,6 +260,8 @@ 260 260 261 261 ((( 262 262 Payload: 01 00 02 39 85 08 DC 00 00 00 44 268 + 269 + 263 263 ))) 264 264 265 265 [[image:image-20220601142936-6.png]] ... ... @@ -267,21 +267,23 @@ 267 267 AT COMMAND 268 268 269 269 270 -(% 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.** 271 271 278 +(% 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.** 272 272 280 + 273 273 [[image:image-20220601143642-2.png]] 274 274 275 275 AT COMMAND 276 276 277 277 278 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 279 279 287 +==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 280 280 289 + 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 ((( ... ... @@ -300,7 +300,9 @@ 300 300 ))) 301 301 302 302 ((( 303 -(% 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 + 304 304 ))) 305 305 306 306 ((( ... ... @@ -347,35 +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 -=== **1.3.4 How to configure and output commands for RS485 to USB** === 378 378 388 +=== 1.3.4 How to configure and output commands for RS485 to USB === 389 + 390 + 379 379 ((( 380 380 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. 381 381 ))) ... ... @@ -400,13 +400,13 @@ 400 400 401 401 [[image:image-20220527093708-21.png]] 402 402 403 -USB 415 +**USB** 404 404 405 405 406 406 407 407 [[image:image-20220527093747-22.png]] 408 408 409 -USB 421 +**USB** 410 410 411 411 412 412 ... ... @@ -428,12 +428,13 @@ 428 428 429 429 [[image:image-20220527093821-23.png]] 430 430 431 -USB 443 +**USB** 432 432 433 433 434 -=== **1.3.5 How to configure multiple devices and modify device addresses** === 435 435 447 +=== 1.3.5 How to configure multiple devices and modify device addresses === 436 436 449 + 437 437 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. 438 438 439 439 ((( ... ... @@ -447,6 +447,7 @@ 447 447 448 448 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 449 449 463 + 450 450 [[image:image-20220527093950-25.png]] 451 451 452 452 ... ... @@ -461,7 +461,7 @@ 461 461 462 462 ((( 463 463 ((( 464 -We can use **AT+CFGDEV** to set the device address. 478 +We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address. 465 465 ))) 466 466 ))) 467 467 ... ... @@ -479,9 +479,9 @@ 479 479 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 480 480 ))) 481 481 482 -* 01:device adaress 496 +* 01: device adaress 483 483 484 -* 10:function code 498 +* 10: function code 485 485 486 486 * 00 61:Register address 487 487 ... ... @@ -505,11 +505,15 @@ 505 505 [[image:image-20220601142607-4.png]] 506 506 507 507 508 -**PAYLOAD:01 08 DF 43 62** 522 +(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62** 509 509 510 510 * 08 DF is the valid value of the meter with device address 02. 511 511 * 43 62 is the valid value of the meter with device address 01. 512 512 527 +(% style="display:none" %) (%%) 528 + 529 +(% style="display:none" %) (%%) 530 + 513 513 == 1.4 Example 4: Circuit Breaker Remote Open Close == 514 514 515 515 ... ... @@ -522,23 +522,29 @@ 522 522 Connection 523 523 524 524 525 -* 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"]] 526 526 545 + 546 + 527 527 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 528 528 529 529 530 530 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: 531 531 532 -* 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);"]] 533 -* 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"]] 534 534 555 + 556 + 535 535 == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN == 536 536 537 537 538 538 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: 539 539 540 -* 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);"]] 541 541 564 + 565 + 542 542 == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 543 543 544 544