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... ... @@ -7,66 +7,69 @@ 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/||_mstmutation="1" 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 + 35 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/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]] 38 + 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**==43 +== 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]] 49 +[[image:image-20220527092058-3.png||height="552" width="905"]] 47 47 48 -Connection 51 +**Connection** 49 49 50 50 51 51 52 -[[image:image-20220527092146-4.png]] 55 +[[image:image-20220527092146-4.png||height="507" width="906"]] 53 53 54 -Connection 57 +**Connection** 55 55 56 56 57 57 (% style="color:blue" %)**Related documents:** 58 58 59 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"]] 63 + 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 64 -== **1.3 Example3: Use RS485-LN with energy meters**==68 +== 1.3 Example 3: Use RS485-LN with energy meters == 65 65 70 +=== 1.3.1 OverView === 66 66 67 -=== **1.3.1 OverView** === 68 68 69 - 70 70 ((( 71 71 (% style="color:red" %)**Note**:**The specifications of each energy meter are different, please refer to your own energy meter specifications.** 72 72 ))) ... ... @@ -73,11 +73,13 @@ 73 73 74 74 ((( 75 75 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 79 + 80 + 76 76 ))) 77 77 78 78 [[image:image-20220527092419-5.png]] 79 79 80 -Connection1 85 +**Connection1** 81 81 82 82 83 83 ... ... @@ -96,11 +96,11 @@ 96 96 ))) 97 97 98 98 ((( 99 -Power Source VIN to RS485-LN VIN+ 104 +Power Source **VIN** to RS485-LN **VIN+** 100 100 ))) 101 101 102 102 ((( 103 -Power Source GND to RS485-LN VIN- 108 +Power Source **GND** to RS485-LN **VIN-** 104 104 ))) 105 105 106 106 ((( ... ... @@ -111,19 +111,18 @@ 111 111 112 112 [[image:image-20220527092514-6.png]] 113 113 114 -Connection2 119 +**Connection2** 115 115 116 116 117 117 118 118 [[image:image-20220527092555-7.png]] 119 119 120 -Connection3 125 +**Connection3** 121 121 122 122 128 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 123 123 124 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 125 125 126 - 127 127 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. 128 128 129 129 [[image:image-20220601143257-10.png]] ... ... @@ -132,9 +132,13 @@ 132 132 (% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 133 133 134 134 * The first byte : slave address code (=001~247) 139 + 135 135 * The second byte : read register value function code 141 + 136 136 * 3rd and 4th bytes: start address of register to be read 143 + 137 137 * 5th and 6th bytes: Number of registers to read 145 + 138 138 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 139 139 140 140 ((( ... ... @@ -147,27 +147,25 @@ 147 147 ))) 148 148 149 149 * The first byte ARD: slave address code (=001~254) 158 + 150 150 * The second byte: Return to read function code 160 + 151 151 * 3rd byte: total number of bytes 162 + 152 152 * 4th~5th bytes: register data 164 + 153 153 * The 6th and 7th bytes: CRC16 checksum 166 + 154 154 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 155 155 156 -(% class="wikigeneratedid" %) 157 -((( 158 - 159 159 160 160 161 - 162 -))) 171 +=== 1.3.3 How to configure RS485-LN and parse output commands === 163 163 164 -=== **1.3.3 How to configure RS485-LN and parse output commands** === 165 165 166 - 167 167 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 168 168 169 169 170 - 171 171 ==== **1.3.3.1 via AT COMMAND** ==== 172 172 173 173 ... ... @@ -175,11 +175,13 @@ 175 175 176 176 ((( 177 177 If the configured parameters and commands are incorrect, the return value is not obtained. 184 + 185 + 178 178 ))) 179 179 180 180 [[image:image-20220601143201-9.png]] 181 181 182 -AT COMMAND 190 +**AT COMMAND** 183 183 184 184 185 185 (% class="box infomessage" %) ... ... @@ -195,16 +195,15 @@ 195 195 196 196 [[image:image-20220601143115-8.png]] 197 197 198 -AT COMMAND 206 +**AT COMMAND** 199 199 200 200 201 201 202 202 PAYLOAD is available after the valid value is intercepted. 203 203 204 - 205 205 [[image:image-20220601143046-7.png]] 206 206 207 -AT COMMAND 214 +**AT COMMAND** 208 208 209 209 210 210 ... ... @@ -213,13 +213,11 @@ 213 213 [[image:image-20220601143519-1.png]] 214 214 215 215 ((( 216 -AT COMMAND 223 +**AT COMMAND** 217 217 ))) 218 218 219 219 ((( 220 220 221 - 222 - 223 223 ))) 224 224 225 225 ((( ... ... @@ -274,7 +274,7 @@ 274 274 275 275 276 276 277 -(% 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.**282 +(% 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.** 278 278 279 279 280 280 [[image:image-20220601143642-2.png]] ... ... @@ -289,15 +289,13 @@ 289 289 [[image:image-20220527093358-15.png]] 290 290 291 291 ((( 292 -DOWNLINK 297 +**DOWNLINK** 293 293 ))) 294 294 295 -((( 296 - 297 -))) 298 298 301 + 299 299 ((( 300 -(% style="color: #4f81bd" %)**Type Code 0xAF**303 +(% style="color:blue" %)**Type Code 0xAF** 301 301 ))) 302 302 303 303 ((( ... ... @@ -309,8 +309,6 @@ 309 309 310 310 ((( 311 311 (% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.** 312 - 313 - 314 314 ))) 315 315 316 316 ((( ... ... @@ -345,9 +345,8 @@ 345 345 will execute an uplink after got this command. 346 346 ))) 347 347 348 -((( 349 - 350 350 350 +((( 351 351 (% style="color:blue" %)**Example:** 352 352 ))) 353 353 ... ... @@ -357,35 +357,34 @@ 357 357 358 358 [[image:image-20220601144149-6.png]] 359 359 360 -DOWNLINK 360 +**DOWNLINK** 361 361 362 362 363 363 364 364 [[image:image-20220601143803-3.png]] 365 365 366 -DOWNLINK 366 +**DOWNLINK** 367 367 368 368 369 369 370 370 [[image:image-20220601144053-5.png]] 371 371 372 -DOWNLINK 372 +**DOWNLINK** 373 373 374 374 375 375 376 376 [[image:image-20220601143921-4.png]] 377 377 378 -DOWNLINK 378 +**DOWNLINK** 379 379 380 380 381 381 382 382 [[image:image-20220601142805-5.png]] 383 383 384 -DOWNLINK 385 - 384 +**DOWNLINK** 386 386 387 387 388 -=== **1.3.4 How to configure and output commands for RS485 to USB**===387 +=== 1.3.4 How to configure and output commands for RS485 to USB === 389 389 390 390 391 391 ((( ... ... @@ -412,20 +412,18 @@ 412 412 413 413 [[image:image-20220527093708-21.png]] 414 414 415 -USB 414 +**USB** 416 416 417 417 418 418 419 419 [[image:image-20220527093747-22.png]] 420 420 421 -USB 420 +**USB** 422 422 423 423 424 424 425 425 ((( 426 426 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. 427 - 428 - 429 429 ))) 430 430 431 431 ((( ... ... @@ -440,11 +440,11 @@ 440 440 441 441 [[image:image-20220527093821-23.png]] 442 442 443 -USB 440 +**USB** 444 444 445 445 446 446 447 -=== **1.3.5 How to configure multiple devices and modify device addresses**===444 +=== 1.3.5 How to configure multiple devices and modify device addresses === 448 448 449 449 450 450 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. ... ... @@ -460,6 +460,7 @@ 460 460 461 461 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 462 462 460 + 463 463 [[image:image-20220527093950-25.png]] 464 464 465 465 ... ... @@ -492,9 +492,9 @@ 492 492 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 493 493 ))) 494 494 495 -* 01:device adaress 493 +* 01: device adaress 496 496 497 -* 10:function code 495 +* 10: function code 498 498 499 499 * 00 61:Register address 500 500 ... ... @@ -523,6 +523,9 @@ 523 523 * 08 DF is the valid value of the meter with device address 02. 524 524 * 43 62 is the valid value of the meter with device address 01. 525 525 524 +(% style="display:none" %) (%%) 525 + 526 + 526 526 == 1.4 Example 4: Circuit Breaker Remote Open Close == 527 527 528 528 ... ... @@ -532,7 +532,7 @@ 532 532 533 533 [[image:image-20220527094330-30.png]] 534 534 535 -Connection 536 +**Connection** 536 536 537 537 538 538 * 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"]] ... ... @@ -545,6 +545,7 @@ 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-BL to connect to SEM Three Energy Meter and send the data to mobile phone for remote minitor. The structure is like below: 546 546 547 547 * 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);"]] 549 + 548 548 * 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"]] 549 549 550 550