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... ... @@ -7,70 +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 16 17 -== **1.1 Example 1: Connect to Leak relay and VFD** == 18 18 19 - 20 20 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: 21 21 22 22 23 -[[image:image-20220527091852-1.png]] 22 +[[image:image-20220527091852-1.png||height="547" width="994"]] 24 24 25 -Connection 24 +**Connection** 26 26 27 27 28 28 29 29 [[image:image-20220527091942-2.png]](% style="display:none" %) 30 30 31 -Connection 30 +**Connection** 32 32 33 33 34 34 (% style="color:blue" %)**Related documents:** 35 35 36 -* 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 + 37 37 * 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 + 38 38 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 39 39 40 40 41 41 43 +== 1.2 Example 2: Connect to Pulse Counter == 42 42 43 -== **1.2 Example 2: Connect to Pulse Counter** == 44 44 45 - 46 46 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: 47 47 48 48 49 -[[image:image-20220527092058-3.png]] 49 +[[image:image-20220527092058-3.png||height="552" width="905"]] 50 50 51 -Connection 51 +**Connection** 52 52 53 53 54 54 55 -[[image:image-20220527092146-4.png]] 55 +[[image:image-20220527092146-4.png||height="507" width="906"]] 56 56 57 -Connection 57 +**Connection** 58 58 59 59 60 60 (% style="color:blue" %)**Related documents:** 61 61 62 62 * 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 + 63 63 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 64 64 65 65 66 66 68 +== 1.3 Example 3: Use RS485-LN with energy meters == 67 67 68 -== **1.3Example3: UseRS485-LNwithenergy meters**==70 +=== 1.3.1 OverView === 69 69 70 70 71 -=== **1.3.1 OverView** === 72 - 73 - 74 74 ((( 75 75 (% style="color:red" %)**Note**:**The specifications of each energy meter are different, please refer to your own energy meter specifications.** 76 76 ))) ... ... @@ -83,7 +83,7 @@ 83 83 84 84 [[image:image-20220527092419-5.png]] 85 85 86 -Connection1 85 +**Connection1** 87 87 88 88 89 89 ... ... @@ -102,11 +102,11 @@ 102 102 ))) 103 103 104 104 ((( 105 -Power Source VIN to RS485-LN VIN+ 104 +Power Source **VIN** to RS485-LN **VIN+** 106 106 ))) 107 107 108 108 ((( 109 -Power Source GND to RS485-LN VIN- 108 +Power Source **GND** to RS485-LN **VIN-** 110 110 ))) 111 111 112 112 ((( ... ... @@ -117,19 +117,18 @@ 117 117 118 118 [[image:image-20220527092514-6.png]] 119 119 120 -Connection2 119 +**Connection2** 121 121 122 122 123 123 124 124 [[image:image-20220527092555-7.png]] 125 125 126 -Connection3 125 +**Connection3** 127 127 128 128 128 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 129 129 130 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 131 131 132 - 133 133 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. 134 134 135 135 [[image:image-20220601143257-10.png]] ... ... @@ -138,9 +138,13 @@ 138 138 (% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 139 139 140 140 * The first byte : slave address code (=001~247) 139 + 141 141 * The second byte : read register value function code 141 + 142 142 * 3rd and 4th bytes: start address of register to be read 143 + 143 143 * 5th and 6th bytes: Number of registers to read 145 + 144 144 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 145 145 146 146 ((( ... ... @@ -153,27 +153,25 @@ 153 153 ))) 154 154 155 155 * The first byte ARD: slave address code (=001~254) 158 + 156 156 * The second byte: Return to read function code 160 + 157 157 * 3rd byte: total number of bytes 162 + 158 158 * 4th~5th bytes: register data 164 + 159 159 * The 6th and 7th bytes: CRC16 checksum 166 + 160 160 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 161 161 162 -(% class="wikigeneratedid" %) 163 -((( 164 - 165 165 166 166 167 - 168 -))) 171 +=== 1.3.3 How to configure RS485-LN and parse output commands === 169 169 170 -=== **1.3.3 How to configure RS485-LN and parse output commands** === 171 171 172 - 173 173 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 174 174 175 175 176 - 177 177 ==== **1.3.3.1 via AT COMMAND** ==== 178 178 179 179 ... ... @@ -187,7 +187,7 @@ 187 187 188 188 [[image:image-20220601143201-9.png]] 189 189 190 -AT COMMAND 190 +**AT COMMAND** 191 191 192 192 193 193 (% class="box infomessage" %) ... ... @@ -203,16 +203,15 @@ 203 203 204 204 [[image:image-20220601143115-8.png]] 205 205 206 -AT COMMAND 206 +**AT COMMAND** 207 207 208 208 209 209 210 210 PAYLOAD is available after the valid value is intercepted. 211 211 212 - 213 213 [[image:image-20220601143046-7.png]] 214 214 215 -AT COMMAND 214 +**AT COMMAND** 216 216 217 217 218 218 ... ... @@ -221,19 +221,16 @@ 221 221 [[image:image-20220601143519-1.png]] 222 222 223 223 ((( 224 -AT COMMAND 223 +**AT COMMAND** 225 225 ))) 226 226 227 227 ((( 228 228 229 - 230 - 231 231 ))) 232 232 233 233 ((( 234 234 (% style="color:blue" %)**Example**: 235 235 236 - 237 237 (% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 238 238 ))) 239 239 ... ... @@ -275,8 +275,6 @@ 275 275 276 276 ((( 277 277 Payload: 01 00 02 39 85 08 DC 00 00 00 44 278 - 279 - 280 280 ))) 281 281 282 282 [[image:image-20220601142936-6.png]] ... ... @@ -300,13 +300,11 @@ 300 300 [[image:image-20220527093358-15.png]] 301 301 302 302 ((( 303 -DOWNLINK 297 +**DOWNLINK** 304 304 ))) 305 305 306 -((( 307 - 308 -))) 309 309 301 + 310 310 ((( 311 311 (% style="color:blue" %)**Type Code 0xAF** 312 312 ))) ... ... @@ -320,8 +320,6 @@ 320 320 321 321 ((( 322 322 (% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.** 323 - 324 - 325 325 ))) 326 326 327 327 ((( ... ... @@ -356,9 +356,8 @@ 356 356 will execute an uplink after got this command. 357 357 ))) 358 358 359 -((( 360 - 361 361 350 +((( 362 362 (% style="color:blue" %)**Example:** 363 363 ))) 364 364 ... ... @@ -368,35 +368,34 @@ 368 368 369 369 [[image:image-20220601144149-6.png]] 370 370 371 -DOWNLINK 360 +**DOWNLINK** 372 372 373 373 374 374 375 375 [[image:image-20220601143803-3.png]] 376 376 377 -DOWNLINK 366 +**DOWNLINK** 378 378 379 379 380 380 381 381 [[image:image-20220601144053-5.png]] 382 382 383 -DOWNLINK 372 +**DOWNLINK** 384 384 385 385 386 386 387 387 [[image:image-20220601143921-4.png]] 388 388 389 -DOWNLINK 378 +**DOWNLINK** 390 390 391 391 392 392 393 393 [[image:image-20220601142805-5.png]] 394 394 395 -DOWNLINK 396 - 384 +**DOWNLINK** 397 397 398 398 399 -=== **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 === 400 400 401 401 402 402 ((( ... ... @@ -423,20 +423,18 @@ 423 423 424 424 [[image:image-20220527093708-21.png]] 425 425 426 -USB 414 +**USB** 427 427 428 428 429 429 430 430 [[image:image-20220527093747-22.png]] 431 431 432 -USB 420 +**USB** 433 433 434 434 435 435 436 436 ((( 437 437 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. 438 - 439 - 440 440 ))) 441 441 442 442 ((( ... ... @@ -451,11 +451,11 @@ 451 451 452 452 [[image:image-20220527093821-23.png]] 453 453 454 -USB 440 +**USB** 455 455 456 456 457 457 458 -=== **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 === 459 459 460 460 461 461 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. ... ... @@ -471,6 +471,7 @@ 471 471 472 472 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 473 473 460 + 474 474 [[image:image-20220527093950-25.png]] 475 475 476 476 ... ... @@ -503,9 +503,9 @@ 503 503 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 504 504 ))) 505 505 506 -* 01:device adaress 493 +* 01: device adaress 507 507 508 -* 10:function code 495 +* 10: function code 509 509 510 510 * 00 61:Register address 511 511 ... ... @@ -534,6 +534,9 @@ 534 534 * 08 DF is the valid value of the meter with device address 02. 535 535 * 43 62 is the valid value of the meter with device address 01. 536 536 524 +(% style="display:none" %) (%%) 525 + 526 + 537 537 == 1.4 Example 4: Circuit Breaker Remote Open Close == 538 538 539 539 ... ... @@ -543,11 +543,13 @@ 543 543 544 544 [[image:image-20220527094330-30.png]] 545 545 546 -Connection 536 +**Connection** 547 547 548 548 549 549 * 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"]] 550 550 541 + 542 + 551 551 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 552 552 553 553 ... ... @@ -554,8 +554,11 @@ 554 554 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: 555 555 556 556 * 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 + 557 557 * 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"]] 558 558 552 + 553 + 559 559 == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN == 560 560 561 561 ... ... @@ -563,6 +563,8 @@ 563 563 564 564 * 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);"]] 565 565 561 + 562 + 566 566 == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 567 567 568 568