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... ... @@ -7,66 +7,67 @@ 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 [[image:image-20220527091942-2.png]](% style="display:none" %) 28 28 29 -Connection 29 +**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);"]] 34 +* 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);"]] 35 + 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);"]] 37 + 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**==41 +== 1.2 Example 2: Connect to Pulse Counter == 40 40 41 41 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 52 +[[image:image-20220527092146-4.png||height="507" width="906"]] 50 50 51 - [[image:image-20220527092146-4.png]]54 +**Connection** 52 52 53 -Connection 54 54 55 - 56 56 (% style="color:blue" %)**Related documents:** 57 57 58 -* 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/]] 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/||_mstmutation="1"]] 60 + 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**==64 +== 1.3 Example 3: Use RS485-LN with energy meters == 63 63 66 +=== 1.3.1 OverView === 64 64 65 -=== **1.3.1 OverView** === 66 66 67 - 68 68 ((( 69 -(% style="color:red" %)**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 70 +(% 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 ((( ... ... @@ -75,10 +75,9 @@ 75 75 76 76 [[image:image-20220527092419-5.png]] 77 77 78 -Connection1 79 +**Connection1** 79 79 80 80 81 - 82 82 ((( 83 83 (% style="color:blue" %)**How to connect with Energy Meter:** 84 84 ... ... @@ -94,11 +94,11 @@ 94 94 ))) 95 95 96 96 ((( 97 -Power Source VIN to RS485-LN VIN+ 97 +Power Source **VIN** to RS485-LN **VIN+** 98 98 ))) 99 99 100 100 ((( 101 -Power Source GND to RS485-LN VIN- 101 +Power Source **GND** to RS485-LN **VIN-** 102 102 ))) 103 103 104 104 ((( ... ... @@ -107,18 +107,17 @@ 107 107 108 108 [[image:image-20220527092514-6.png]] 109 109 110 -Connection2 110 +**Connection2** 111 111 112 112 113 113 [[image:image-20220527092555-7.png]] 114 114 115 -Connection3 115 +**Connection3** 116 116 117 117 118 +=== 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]] ... ... @@ -127,9 +127,13 @@ 127 127 (% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 128 128 129 129 * The first byte : slave address code (=001~247) 129 + 130 130 * The second byte : read register value function code 131 + 131 131 * 3rd and 4th bytes: start address of register to be read 133 + 132 132 * 5th and 6th bytes: Number of registers to read 135 + 133 133 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 134 134 135 135 ((( ... ... @@ -142,27 +142,24 @@ 142 142 ))) 143 143 144 144 * The first byte ARD: slave address code (=001~254) 148 + 145 145 * The second byte: Return to read function code 150 + 146 146 * 3rd byte: total number of bytes 152 + 147 147 * 4th~5th bytes: register data 154 + 148 148 * The 6th and 7th bytes: CRC16 checksum 156 + 149 149 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 150 150 151 -(% class="wikigeneratedid" %) 152 -((( 153 - 154 154 160 +=== 1.3.3 How to configure RS485-LN and parse output commands === 155 155 156 - 157 -))) 158 158 159 -=== **1.3.3 How to configure RS485-LN and parse output commands** === 160 - 161 - 162 162 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 163 163 164 164 165 - 166 166 ==== **1.3.3.1 via AT COMMAND** ==== 167 167 168 168 ... ... @@ -170,16 +170,18 @@ 170 170 171 171 ((( 172 172 If the configured parameters and commands are incorrect, the return value is not obtained. 173 + 174 + 173 173 ))) 174 174 175 175 [[image:image-20220601143201-9.png]] 176 176 177 -AT COMMAND 179 +**AT COMMAND** 178 178 179 179 180 180 (% class="box infomessage" %) 181 181 ((( 182 - **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 + (% _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 183 183 ))) 184 184 185 185 a: length for the return of AT+COMMAND ... ... @@ -190,25 +190,22 @@ 190 190 191 191 [[image:image-20220601143115-8.png]] 192 192 193 -AT COMMAND 195 +**AT COMMAND** 194 194 195 195 196 - 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 202 +**AT COMMAND** 203 203 204 204 205 - 206 206 You can get configured PAYLOAD on TTN. 207 207 208 208 [[image:image-20220601143519-1.png]] 209 209 210 210 ((( 211 -AT COMMAND 210 +**AT COMMAND** 212 212 ))) 213 213 214 214 ((( ... ... @@ -266,7 +266,7 @@ 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.**268 +(% 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.** 270 270 271 271 272 272 [[image:image-20220601143642-2.png]] ... ... @@ -274,7 +274,6 @@ 274 274 AT COMMAND 275 275 276 276 277 - 278 278 ==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 279 279 280 280 ... ... @@ -281,15 +281,12 @@ 281 281 [[image:image-20220527093358-15.png]] 282 282 283 283 ((( 284 -DOWNLINK 282 +**DOWNLINK** 285 285 ))) 286 286 287 -((( 288 - 289 -))) 290 290 291 291 ((( 292 -(% style="color: #4f81bd" %)**Type Code 0xAF**287 +(% style="color:blue" %)**Type Code 0xAF** 293 293 ))) 294 294 295 295 ((( ... ... @@ -335,9 +335,8 @@ 335 335 will execute an uplink after got this command. 336 336 ))) 337 337 338 -((( 339 - 340 340 334 +((( 341 341 (% style="color:blue" %)**Example:** 342 342 ))) 343 343 ... ... @@ -347,36 +347,32 @@ 347 347 348 348 [[image:image-20220601144149-6.png]] 349 349 350 -DOWNLINK 344 +**DOWNLINK** 351 351 352 352 353 - 354 354 [[image:image-20220601143803-3.png]] 355 355 356 -DOWNLINK 349 +**DOWNLINK** 357 357 358 358 359 - 360 360 [[image:image-20220601144053-5.png]] 361 361 362 -DOWNLINK 354 +**DOWNLINK** 363 363 364 364 365 - 366 366 [[image:image-20220601143921-4.png]] 367 367 368 -DOWNLINK 359 +**DOWNLINK** 369 369 370 370 371 - 372 372 [[image:image-20220601142805-5.png]] 373 373 374 -DOWNLINK 375 - 364 +**DOWNLINK** 376 376 377 377 378 -=== **1.3.4 How to configure and output commands for RS485 to USB**===367 +=== 1.3.4 How to configure and output commands for RS485 to USB === 379 379 369 + 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 ))) ... ... @@ -395,26 +395,21 @@ 395 395 396 396 ((( 397 397 check digit: Even 398 - 399 - 400 400 ))) 401 401 402 402 [[image:image-20220527093708-21.png]] 403 403 404 -USB 392 +**USB** 405 405 406 406 407 - 408 408 [[image:image-20220527093747-22.png]] 409 409 410 -USB 397 +**USB** 411 411 412 412 413 413 414 414 ((( 415 415 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. 416 - 417 - 418 418 ))) 419 419 420 420 ((( ... ... @@ -429,13 +429,12 @@ 429 429 430 430 [[image:image-20220527093821-23.png]] 431 431 432 -USB 417 +**USB** 433 433 434 434 420 +=== 1.3.5 How to configure multiple devices and modify device addresses === 435 435 436 -=== **1.3.5 How to configure multiple devices and modify device addresses** === 437 437 438 - 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. 440 440 441 441 ((( ... ... @@ -449,6 +449,7 @@ 449 449 450 450 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 451 451 436 + 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 469 +* 01: device adaress 485 485 486 -* 10:function code 471 +* 10: function code 487 487 488 488 * 00 61:Register address 489 489 ... ... @@ -512,6 +512,7 @@ 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. 514 514 500 +(% style="display:none" %) (%%) 515 515 516 516 517 517 == 1.4 Example 4: Circuit Breaker Remote Open Close == ... ... @@ -523,21 +523,20 @@ 523 523 524 524 [[image:image-20220527094330-30.png]] 525 525 526 -Connection 512 +**Connection** 527 527 528 528 529 -* 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/]] 515 +* 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"]] 530 530 531 531 532 - 533 533 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 534 534 535 535 536 536 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: 537 537 538 -* 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);"]] 539 -* 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]] 523 +* 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);"]] 540 540 525 +* 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"]] 541 541 542 542 543 543 == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN == ... ... @@ -545,16 +545,38 @@ 545 545 546 546 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: 547 547 548 -* 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);"]] 533 +* 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);"]] 549 549 550 550 551 - 552 552 == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 553 553 554 554 555 555 [[image:image-20220527094556-31.png]] 556 556 541 + 557 557 Network Structure 558 558 559 - 560 560 * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]] 545 + 546 + 547 +== 1.8 Example 8: This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. == 548 + 549 + 550 +This sketch uses 4 registers: some of them can be set by Dragino with a command, another is used to store value from a DS18B20 temperature sensor, or a random generated number. All data is 16bit uint, but the sketch shows also how to represent booleans and negative numbers. 551 + 552 +In the next days I will be adding more documentation, but I think it already explains users how to build their own modbus sensor to pair with Dragino RS485-BL. 553 + 554 +This is released the code under GNU LGPL licence on Github: 555 + 556 +[[https:~~/~~/github.com/zorbaproject/ArduinoModbusForDraginoRS485>>url:https://github.com/zorbaproject/ArduinoModbusForDraginoRS485]] 557 + 558 + 559 +== 1.9 Example 9: RS485-LN and ultrasonic flow meter transmission data == 560 + 561 + 562 +It shows how to use RS485-LN to connect to an ultrasonic flow meter and read the data from the ultrasonic flow meter. 563 + 564 + 565 + 566 +* **Specific steps**: RS485-LN with ultrasonic flow meter 567 +*
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