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... ... @@ -7,78 +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);"]] 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 +* 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 -* 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 + 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 68 +== 1.3 Example 3: Use RS485-LN with energy meters == 64 64 65 -== **1.3Example3: UseRS485-LNwithenergy meters**==70 +=== 1.3.1 OverView === 66 66 67 67 68 -=== **1.3.1 OverView** === 69 - 70 - 71 71 ((( 72 -(% 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.** 73 73 ))) 74 74 75 75 ((( 76 76 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 79 + 80 + 77 77 ))) 78 78 79 79 [[image:image-20220527092419-5.png]] 80 80 81 -Connection1 85 +**Connection1** 82 82 83 83 84 84 ... ... @@ -97,29 +97,31 @@ 97 97 ))) 98 98 99 99 ((( 100 -Power Source VIN to RS485-LN VIN+ 104 +Power Source **VIN** to RS485-LN **VIN+** 101 101 ))) 102 102 103 103 ((( 104 -Power Source GND to RS485-LN VIN- 108 +Power Source **GND** to RS485-LN **VIN-** 105 105 ))) 106 106 107 107 ((( 108 108 Once there is power, the RS485-LN will be on. 113 + 114 + 109 109 ))) 110 110 111 111 [[image:image-20220527092514-6.png]] 112 112 113 -Connection2 119 +**Connection2** 114 114 115 115 116 116 117 117 [[image:image-20220527092555-7.png]] 118 118 119 -Connection3 125 +**Connection3** 120 120 121 121 122 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands**===128 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 123 123 124 124 125 125 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. ... ... @@ -130,9 +130,13 @@ 130 130 (% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 131 131 132 132 * The first byte : slave address code (=001~247) 139 + 133 133 * The second byte : read register value function code 141 + 134 134 * 3rd and 4th bytes: start address of register to be read 143 + 135 135 * 5th and 6th bytes: Number of registers to read 145 + 136 136 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 137 137 138 138 ((( ... ... @@ -145,23 +145,22 @@ 145 145 ))) 146 146 147 147 * The first byte ARD: slave address code (=001~254) 158 + 148 148 * The second byte: Return to read function code 160 + 149 149 * 3rd byte: total number of bytes 162 + 150 150 * 4th~5th bytes: register data 164 + 151 151 * The 6th and 7th bytes: CRC16 checksum 166 + 152 152 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 153 153 154 -(% class="wikigeneratedid" %) 155 -((( 156 - 157 157 158 158 159 - 160 -))) 171 +=== 1.3.3 How to configure RS485-LN and parse output commands === 161 161 162 -=== **1.3.3 How to configure RS485-LN and parse output commands** === 163 163 164 - 165 165 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 166 166 167 167 ... ... @@ -172,16 +172,18 @@ 172 172 173 173 ((( 174 174 If the configured parameters and commands are incorrect, the return value is not obtained. 184 + 185 + 175 175 ))) 176 176 177 177 [[image:image-20220601143201-9.png]] 178 178 179 -AT COMMAND 190 +**AT COMMAND** 180 180 181 181 182 182 (% class="box infomessage" %) 183 183 ((( 184 - **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 185 185 ))) 186 186 187 187 a: length for the return of AT+COMMAND ... ... @@ -192,16 +192,15 @@ 192 192 193 193 [[image:image-20220601143115-8.png]] 194 194 195 -AT COMMAND 206 +**AT COMMAND** 196 196 197 197 198 198 199 199 PAYLOAD is available after the valid value is intercepted. 200 200 201 - 202 202 [[image:image-20220601143046-7.png]] 203 203 204 -AT COMMAND 214 +**AT COMMAND** 205 205 206 206 207 207 ... ... @@ -210,7 +210,7 @@ 210 210 [[image:image-20220601143519-1.png]] 211 211 212 212 ((( 213 -AT COMMAND 223 +**AT COMMAND** 214 214 ))) 215 215 216 216 ((( ... ... @@ -220,7 +220,7 @@ 220 220 ((( 221 221 (% style="color:blue" %)**Example**: 222 222 223 -CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 233 +(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 224 224 ))) 225 225 226 226 ((( ... ... @@ -234,7 +234,7 @@ 234 234 ))) 235 235 236 236 ((( 237 -CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1 247 +(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1 238 238 ))) 239 239 240 240 ((( ... ... @@ -248,7 +248,7 @@ 248 248 ))) 249 249 250 250 ((( 251 -CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 261 +(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 252 252 ))) 253 253 254 254 ((( ... ... @@ -268,14 +268,16 @@ 268 268 AT COMMAND 269 269 270 270 271 -(% 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.** 272 272 282 +(% 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.** 273 273 284 + 274 274 [[image:image-20220601143642-2.png]] 275 275 276 276 AT COMMAND 277 277 278 278 290 + 279 279 ==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 280 280 281 281 ... ... @@ -282,15 +282,13 @@ 282 282 [[image:image-20220527093358-15.png]] 283 283 284 284 ((( 285 -DOWNLINK 297 +**DOWNLINK** 286 286 ))) 287 287 288 -((( 289 - 290 -))) 291 291 301 + 292 292 ((( 293 -(% style="color: #4f81bd" %)**Type Code 0xAF**303 +(% style="color:blue" %)**Type Code 0xAF** 294 294 ))) 295 295 296 296 ((( ... ... @@ -301,7 +301,7 @@ 301 301 ))) 302 302 303 303 ((( 304 -(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 314 +(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.** 305 305 ))) 306 306 307 307 ((( ... ... @@ -336,9 +336,8 @@ 336 336 will execute an uplink after got this command. 337 337 ))) 338 338 339 -((( 340 - 341 341 350 +((( 342 342 (% style="color:blue" %)**Example:** 343 343 ))) 344 344 ... ... @@ -348,35 +348,36 @@ 348 348 349 349 [[image:image-20220601144149-6.png]] 350 350 351 -DOWNLINK 360 +**DOWNLINK** 352 352 353 353 354 354 355 355 [[image:image-20220601143803-3.png]] 356 356 357 -DOWNLINK 366 +**DOWNLINK** 358 358 359 359 360 360 361 361 [[image:image-20220601144053-5.png]] 362 362 363 -DOWNLINK 372 +**DOWNLINK** 364 364 365 365 366 366 367 367 [[image:image-20220601143921-4.png]] 368 368 369 -DOWNLINK 378 +**DOWNLINK** 370 370 371 371 372 372 373 373 [[image:image-20220601142805-5.png]] 374 374 375 -DOWNLINK 376 - 384 +**DOWNLINK** 377 377 378 -=== **1.3.4 How to configure and output commands for RS485 to USB** === 379 379 387 +=== 1.3.4 How to configure and output commands for RS485 to USB === 388 + 389 + 380 380 ((( 381 381 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. 382 382 ))) ... ... @@ -401,20 +401,18 @@ 401 401 402 402 [[image:image-20220527093708-21.png]] 403 403 404 -USB 414 +**USB** 405 405 406 406 407 407 408 408 [[image:image-20220527093747-22.png]] 409 409 410 -USB 420 +**USB** 411 411 412 412 413 413 414 414 ((( 415 415 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. 416 - 417 - 418 418 ))) 419 419 420 420 ((( ... ... @@ -429,12 +429,13 @@ 429 429 430 430 [[image:image-20220527093821-23.png]] 431 431 432 -USB 440 +**USB** 433 433 434 434 435 -=== **1.3.5 How to configure multiple devices and modify device addresses** === 436 436 444 +=== 1.3.5 How to configure multiple devices and modify device addresses === 437 437 446 + 438 438 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. 439 439 440 440 ((( ... ... @@ -448,6 +448,7 @@ 448 448 449 449 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 450 450 460 + 451 451 [[image:image-20220527093950-25.png]] 452 452 453 453 ... ... @@ -462,7 +462,7 @@ 462 462 463 463 ((( 464 464 ((( 465 -We can use **AT+CFGDEV** to set the device address. 475 +We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address. 466 466 ))) 467 467 ))) 468 468 ... ... @@ -480,9 +480,9 @@ 480 480 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 481 481 ))) 482 482 483 -* 01:device adaress 493 +* 01: device adaress 484 484 485 -* 10:function code 495 +* 10: function code 486 486 487 487 * 00 61:Register address 488 488 ... ... @@ -506,11 +506,12 @@ 506 506 [[image:image-20220601142607-4.png]] 507 507 508 508 509 -**PAYLOAD:01 08 DF 43 62** 519 +(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62** 510 510 511 511 * 08 DF is the valid value of the meter with device address 02. 512 512 * 43 62 is the valid value of the meter with device address 01. 513 513 524 +(% style="display:none" %) (%%) 514 514 515 515 516 516 == 1.4 Example 4: Circuit Breaker Remote Open Close == ... ... @@ -522,10 +522,10 @@ 522 522 523 523 [[image:image-20220527094330-30.png]] 524 524 525 -Connection 536 +**Connection** 526 526 527 527 528 -* 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"]] 529 529 530 530 531 531 ... ... @@ -534,17 +534,18 @@ 534 534 535 535 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: 536 536 537 -* 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);"]] 538 -* 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);"]] 539 539 550 +* 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"]] 540 540 541 541 553 + 542 542 == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN == 543 543 544 544 545 545 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-LN to connect to CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below: 546 546 547 -* 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);"]] 548 548 549 549 550 550