Last modified by Karry Zhuang on 2024/07/11 11:58
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... ... @@ -24,6 +24,7 @@ 24 24 **Connection** 25 25 26 26 27 + 27 27 [[image:image-20220527091942-2.png]](% style="display:none" %) 28 28 29 29 **Connection** ... ... @@ -37,7 +37,6 @@ 37 37 38 38 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 39 39 40 - 41 41 == 1.2 Example 2: Connect to Pulse Counter == 42 42 43 43 ... ... @@ -49,6 +49,7 @@ 49 49 **Connection** 50 50 51 51 52 + 52 52 [[image:image-20220527092146-4.png||height="507" width="906"]] 53 53 54 54 **Connection** ... ... @@ -60,7 +60,6 @@ 60 60 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 - 64 64 == 1.3 Example 3: Use RS485-LN with energy meters == 65 65 66 66 === 1.3.1 OverView === ... ... @@ -72,6 +72,8 @@ 72 72 73 73 ((( 74 74 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 75 + 76 + 75 75 ))) 76 76 77 77 [[image:image-20220527092419-5.png]] ... ... @@ -79,6 +79,7 @@ 79 79 **Connection1** 80 80 81 81 84 + 82 82 ((( 83 83 (% style="color:blue" %)**How to connect with Energy Meter:** 84 84 ... ... @@ -103,6 +103,8 @@ 103 103 104 104 ((( 105 105 Once there is power, the RS485-LN will be on. 109 + 110 + 106 106 ))) 107 107 108 108 [[image:image-20220527092514-6.png]] ... ... @@ -110,6 +110,7 @@ 110 110 **Connection2** 111 111 112 112 118 + 113 113 [[image:image-20220527092555-7.png]] 114 114 115 115 **Connection3** ... ... @@ -156,7 +156,6 @@ 156 156 157 157 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 158 158 159 - 160 160 === 1.3.3 How to configure RS485-LN and parse output commands === 161 161 162 162 ... ... @@ -195,6 +195,7 @@ 195 195 **AT COMMAND** 196 196 197 197 203 + 198 198 PAYLOAD is available after the valid value is intercepted. 199 199 200 200 [[image:image-20220601143046-7.png]] ... ... @@ -202,6 +202,7 @@ 202 202 **AT COMMAND** 203 203 204 204 211 + 205 205 You can get configured PAYLOAD on TTN. 206 206 207 207 [[image:image-20220601143519-1.png]] ... ... @@ -265,6 +265,7 @@ 265 265 AT COMMAND 266 266 267 267 275 + 268 268 (% 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.** 269 269 270 270 ... ... @@ -273,6 +273,7 @@ 273 273 AT COMMAND 274 274 275 275 284 + 276 276 ==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 277 277 278 278 ... ... @@ -283,6 +283,7 @@ 283 283 ))) 284 284 285 285 295 + 286 286 ((( 287 287 (% style="color:blue" %)**Type Code 0xAF** 288 288 ))) ... ... @@ -344,21 +344,25 @@ 344 344 **DOWNLINK** 345 345 346 346 357 + 347 347 [[image:image-20220601143803-3.png]] 348 348 349 349 **DOWNLINK** 350 350 351 351 363 + 352 352 [[image:image-20220601144053-5.png]] 353 353 354 354 **DOWNLINK** 355 355 356 356 369 + 357 357 [[image:image-20220601143921-4.png]] 358 358 359 359 **DOWNLINK** 360 360 361 361 375 + 362 362 [[image:image-20220601142805-5.png]] 363 363 364 364 **DOWNLINK** ... ... @@ -385,6 +385,8 @@ 385 385 386 386 ((( 387 387 check digit: Even 402 + 403 + 388 388 ))) 389 389 390 390 [[image:image-20220527093708-21.png]] ... ... @@ -392,6 +392,7 @@ 392 392 **USB** 393 393 394 394 411 + 395 395 [[image:image-20220527093747-22.png]] 396 396 397 397 **USB** ... ... @@ -417,6 +417,7 @@ 417 417 **USB** 418 418 419 419 437 + 420 420 === 1.3.5 How to configure multiple devices and modify device addresses === 421 421 422 422 ... ... @@ -514,7 +514,6 @@ 514 514 515 515 * 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"]] 516 516 517 - 518 518 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 519 519 520 520 ... ... @@ -524,7 +524,6 @@ 524 524 525 525 * 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"]] 526 526 527 - 528 528 == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN == 529 529 530 530 ... ... @@ -532,7 +532,6 @@ 532 532 533 533 * 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);"]] 534 534 535 - 536 536 == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 537 537 538 538 ... ... @@ -543,10 +543,8 @@ 543 543 544 544 * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]] 545 545 561 +== 1.8 Example 8: This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. == 546 546 547 -== 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 - 550 550 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. 551 551 552 552 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. ... ... @@ -555,13 +555,4 @@ 555 555 556 556 [[https:~~/~~/github.com/zorbaproject/ArduinoModbusForDraginoRS485>>url:https://github.com/zorbaproject/ArduinoModbusForDraginoRS485]] 557 557 558 - 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 -* 571 +