Last modified by Karry Zhuang on 2024/07/11 11:58
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... ... @@ -1,1 +1,1 @@ 1 -XWiki. Bei1 +XWiki.karry - Content
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... ... @@ -24,7 +24,6 @@ 24 24 **Connection** 25 25 26 26 27 - 28 28 [[image:image-20220527091942-2.png]](% style="display:none" %) 29 29 30 30 **Connection** ... ... @@ -38,6 +38,7 @@ 38 38 39 39 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 40 40 40 + 41 41 == 1.2 Example 2: Connect to Pulse Counter == 42 42 43 43 ... ... @@ -49,7 +49,6 @@ 49 49 **Connection** 50 50 51 51 52 - 53 53 [[image:image-20220527092146-4.png||height="507" width="906"]] 54 54 55 55 **Connection** ... ... @@ -61,6 +61,7 @@ 61 61 62 62 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 63 63 63 + 64 64 == 1.3 Example 3: Use RS485-LN with energy meters == 65 65 66 66 === 1.3.1 OverView === ... ... @@ -72,8 +72,6 @@ 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 - 77 77 ))) 78 78 79 79 [[image:image-20220527092419-5.png]] ... ... @@ -81,7 +81,6 @@ 81 81 **Connection1** 82 82 83 83 84 - 85 85 ((( 86 86 (% style="color:blue" %)**How to connect with Energy Meter:** 87 87 ... ... @@ -106,8 +106,6 @@ 106 106 107 107 ((( 108 108 Once there is power, the RS485-LN will be on. 109 - 110 - 111 111 ))) 112 112 113 113 [[image:image-20220527092514-6.png]] ... ... @@ -115,7 +115,6 @@ 115 115 **Connection2** 116 116 117 117 118 - 119 119 [[image:image-20220527092555-7.png]] 120 120 121 121 **Connection3** ... ... @@ -162,6 +162,7 @@ 162 162 163 163 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 164 164 159 + 165 165 === 1.3.3 How to configure RS485-LN and parse output commands === 166 166 167 167 ... ... @@ -200,7 +200,6 @@ 200 200 **AT COMMAND** 201 201 202 202 203 - 204 204 PAYLOAD is available after the valid value is intercepted. 205 205 206 206 [[image:image-20220601143046-7.png]] ... ... @@ -208,7 +208,6 @@ 208 208 **AT COMMAND** 209 209 210 210 211 - 212 212 You can get configured PAYLOAD on TTN. 213 213 214 214 [[image:image-20220601143519-1.png]] ... ... @@ -272,7 +272,6 @@ 272 272 AT COMMAND 273 273 274 274 275 - 276 276 (% 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.** 277 277 278 278 ... ... @@ -281,7 +281,6 @@ 281 281 AT COMMAND 282 282 283 283 284 - 285 285 ==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 286 286 287 287 ... ... @@ -292,7 +292,6 @@ 292 292 ))) 293 293 294 294 295 - 296 296 ((( 297 297 (% style="color:blue" %)**Type Code 0xAF** 298 298 ))) ... ... @@ -354,25 +354,21 @@ 354 354 **DOWNLINK** 355 355 356 356 357 - 358 358 [[image:image-20220601143803-3.png]] 359 359 360 360 **DOWNLINK** 361 361 362 362 363 - 364 364 [[image:image-20220601144053-5.png]] 365 365 366 366 **DOWNLINK** 367 367 368 368 369 - 370 370 [[image:image-20220601143921-4.png]] 371 371 372 372 **DOWNLINK** 373 373 374 374 375 - 376 376 [[image:image-20220601142805-5.png]] 377 377 378 378 **DOWNLINK** ... ... @@ -399,8 +399,6 @@ 399 399 400 400 ((( 401 401 check digit: Even 402 - 403 - 404 404 ))) 405 405 406 406 [[image:image-20220527093708-21.png]] ... ... @@ -408,7 +408,6 @@ 408 408 **USB** 409 409 410 410 411 - 412 412 [[image:image-20220527093747-22.png]] 413 413 414 414 **USB** ... ... @@ -434,7 +434,6 @@ 434 434 **USB** 435 435 436 436 437 - 438 438 === 1.3.5 How to configure multiple devices and modify device addresses === 439 439 440 440 ... ... @@ -532,6 +532,7 @@ 532 532 533 533 * 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"]] 534 534 517 + 535 535 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 536 536 537 537 ... ... @@ -541,6 +541,7 @@ 541 541 542 542 * 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"]] 543 543 527 + 544 544 == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN == 545 545 546 546 ... ... @@ -548,6 +548,7 @@ 548 548 549 549 * 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);"]] 550 550 535 + 551 551 == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 552 552 553 553 ... ... @@ -558,8 +558,10 @@ 558 558 559 559 * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]] 560 560 561 -== 1.8 Example 8: This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. == 562 562 547 +== 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 + 563 563 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. 564 564 565 565 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. ... ... @@ -568,4 +568,13 @@ 568 568 569 569 [[https:~~/~~/github.com/zorbaproject/ArduinoModbusForDraginoRS485>>url:https://github.com/zorbaproject/ArduinoModbusForDraginoRS485]] 570 570 571 - 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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