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... ... @@ -7,79 +7,82 @@ 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/||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);"]] 36 -* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 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);"]] 37 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 39 +* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 39 39 40 40 41 -== **1.2 Example 2: Connect to Pulse Counter** == 42 42 43 +== 1.2 Example 2: Connect to Pulse Counter == 43 43 45 + 44 44 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: 45 45 46 46 47 -[[image:image-20220527092058-3.png]] 49 +[[image:image-20220527092058-3.png||height="552" width="905"]] 48 48 49 -Connection 51 +**Connection** 50 50 51 51 52 52 53 -[[image:image-20220527092146-4.png]] 55 +[[image:image-20220527092146-4.png||height="507" width="906"]] 54 54 55 -Connection 57 +**Connection** 56 56 57 57 58 58 (% style="color:blue" %)**Related documents:** 59 59 60 -* 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/]] 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 + 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 63 64 64 68 +== 1.3 Example 3: Use RS485-LN with energy meters == 65 65 66 -== **1.3Example3: UseRS485-LNwithenergy meters**==70 +=== 1.3.1 OverView === 67 67 68 68 69 -=== **1.3.1 OverView** === 70 - 71 - 72 72 ((( 73 -(% style="color:red" %)**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 74 +(% style="color:red" %)**Note**:**The specifications of each energy meter are different, please refer to your own energy meter specifications.** 74 74 ))) 75 75 76 76 ((( 77 77 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 79 + 80 + 78 78 ))) 79 79 80 80 [[image:image-20220527092419-5.png]] 81 81 82 -Connection1 85 +**Connection1** 83 83 84 84 85 85 ... ... @@ -98,31 +98,33 @@ 98 98 ))) 99 99 100 100 ((( 101 -Power Source VIN to RS485-LN VIN+ 104 +Power Source **VIN** to RS485-LN **VIN+** 102 102 ))) 103 103 104 104 ((( 105 -Power Source GND to RS485-LN VIN- 108 +Power Source **GND** to RS485-LN **VIN-** 106 106 ))) 107 107 108 108 ((( 109 109 Once there is power, the RS485-LN will be on. 113 + 114 + 110 110 ))) 111 111 112 112 [[image:image-20220527092514-6.png]] 113 113 114 -Connection2 119 +**Connection2** 115 115 116 116 122 + 117 117 [[image:image-20220527092555-7.png]] 118 118 119 -Connection3 125 +**Connection3** 120 120 121 121 128 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 122 122 123 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 124 124 125 - 126 126 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. 127 127 128 128 [[image:image-20220601143257-10.png]] ... ... @@ -131,9 +131,13 @@ 131 131 (% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 132 132 133 133 * The first byte : slave address code (=001~247) 139 + 134 134 * The second byte : read register value function code 141 + 135 135 * 3rd and 4th bytes: start address of register to be read 143 + 136 136 * 5th and 6th bytes: Number of registers to read 145 + 137 137 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 138 138 139 139 ((( ... ... @@ -146,27 +146,25 @@ 146 146 ))) 147 147 148 148 * The first byte ARD: slave address code (=001~254) 158 + 149 149 * The second byte: Return to read function code 160 + 150 150 * 3rd byte: total number of bytes 162 + 151 151 * 4th~5th bytes: register data 164 + 152 152 * The 6th and 7th bytes: CRC16 checksum 166 + 153 153 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 154 154 155 -(% class="wikigeneratedid" %) 156 -((( 157 - 158 158 159 159 160 - 161 -))) 171 +=== 1.3.3 How to configure RS485-LN and parse output commands === 162 162 163 -=== **1.3.3 How to configure RS485-LN and parse output commands** === 164 164 165 - 166 166 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 167 167 168 168 169 - 170 170 ==== **1.3.3.1 via AT COMMAND** ==== 171 171 172 172 ... ... @@ -174,16 +174,18 @@ 174 174 175 175 ((( 176 176 If the configured parameters and commands are incorrect, the return value is not obtained. 184 + 185 + 177 177 ))) 178 178 179 179 [[image:image-20220601143201-9.png]] 180 180 181 -AT COMMAND 190 +**AT COMMAND** 182 182 183 183 184 184 (% class="box infomessage" %) 185 185 ((( 186 - **AT+DATACUTx **: This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 195 + (% _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 187 187 ))) 188 188 189 189 a: length for the return of AT+COMMAND ... ... @@ -194,16 +194,15 @@ 194 194 195 195 [[image:image-20220601143115-8.png]] 196 196 197 -AT COMMAND 206 +**AT COMMAND** 198 198 199 199 200 200 201 201 PAYLOAD is available after the valid value is intercepted. 202 202 203 - 204 204 [[image:image-20220601143046-7.png]] 205 205 206 -AT COMMAND 214 +**AT COMMAND** 207 207 208 208 209 209 ... ... @@ -212,7 +212,7 @@ 212 212 [[image:image-20220601143519-1.png]] 213 213 214 214 ((( 215 -AT COMMAND 223 +**AT COMMAND** 216 216 ))) 217 217 218 218 ((( ... ... @@ -270,9 +270,10 @@ 270 270 AT COMMAND 271 271 272 272 273 -(% 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.** 274 274 282 +(% 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.** 275 275 284 + 276 276 [[image:image-20220601143642-2.png]] 277 277 278 278 AT COMMAND ... ... @@ -285,15 +285,13 @@ 285 285 [[image:image-20220527093358-15.png]] 286 286 287 287 ((( 288 -DOWNLINK 297 +**DOWNLINK** 289 289 ))) 290 290 291 -((( 292 - 293 -))) 294 294 301 + 295 295 ((( 296 -(% style="color: #4f81bd" %)**Type Code 0xAF**303 +(% style="color:blue" %)**Type Code 0xAF** 297 297 ))) 298 298 299 299 ((( ... ... @@ -339,9 +339,8 @@ 339 339 will execute an uplink after got this command. 340 340 ))) 341 341 342 -((( 343 - 344 344 350 +((( 345 345 (% style="color:blue" %)**Example:** 346 346 ))) 347 347 ... ... @@ -351,36 +351,36 @@ 351 351 352 352 [[image:image-20220601144149-6.png]] 353 353 354 -DOWNLINK 360 +**DOWNLINK** 355 355 356 356 357 357 358 358 [[image:image-20220601143803-3.png]] 359 359 360 -DOWNLINK 366 +**DOWNLINK** 361 361 362 362 363 363 364 364 [[image:image-20220601144053-5.png]] 365 365 366 -DOWNLINK 372 +**DOWNLINK** 367 367 368 368 369 369 370 370 [[image:image-20220601143921-4.png]] 371 371 372 -DOWNLINK 378 +**DOWNLINK** 373 373 374 374 375 375 376 376 [[image:image-20220601142805-5.png]] 377 377 378 -DOWNLINK 379 - 384 +**DOWNLINK** 380 380 381 381 382 -=== **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 === 383 383 389 + 384 384 ((( 385 385 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. 386 386 ))) ... ... @@ -405,20 +405,18 @@ 405 405 406 406 [[image:image-20220527093708-21.png]] 407 407 408 -USB 414 +**USB** 409 409 410 410 411 411 412 412 [[image:image-20220527093747-22.png]] 413 413 414 -USB 420 +**USB** 415 415 416 416 417 417 418 418 ((( 419 419 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. 420 - 421 - 422 422 ))) 423 423 424 424 ((( ... ... @@ -433,11 +433,11 @@ 433 433 434 434 [[image:image-20220527093821-23.png]] 435 435 436 -USB 440 +**USB** 437 437 438 438 439 439 440 -=== **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 === 441 441 442 442 443 443 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. ... ... @@ -453,6 +453,7 @@ 453 453 454 454 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 455 455 460 + 456 456 [[image:image-20220527093950-25.png]] 457 457 458 458 ... ... @@ -485,9 +485,9 @@ 485 485 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 486 486 ))) 487 487 488 -* 01:device adaress 493 +* 01: device adaress 489 489 490 -* 10:function code 495 +* 10: function code 491 491 492 492 * 00 61:Register address 493 493 ... ... @@ -516,9 +516,9 @@ 516 516 * 08 DF is the valid value of the meter with device address 02. 517 517 * 43 62 is the valid value of the meter with device address 01. 518 518 524 +(% style="display:none" %) (%%) 519 519 520 520 521 - 522 522 == 1.4 Example 4: Circuit Breaker Remote Open Close == 523 523 524 524 ... ... @@ -528,22 +528,21 @@ 528 528 529 529 [[image:image-20220527094330-30.png]] 530 530 531 -Connection 536 +**Connection** 532 532 533 533 534 -* 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/]] 539 +* 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"]] 535 535 536 536 537 537 538 - 539 539 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 540 540 541 541 542 542 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: 543 543 544 -* 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);"]] 545 -* 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]] 548 +* 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);"]] 546 546 550 +* 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"]] 547 547 548 548 549 549 ... ... @@ -552,11 +552,10 @@ 552 552 553 553 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: 554 554 555 -* 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);"]] 559 +* 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);"]] 556 556 557 557 558 558 559 - 560 560 == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 561 561 562 562