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... ... @@ -7,75 +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 -== **1.2 Example 2: Connect to Pulse Counter** == 40 40 43 +== 1.2 Example 2: Connect to Pulse Counter == 41 41 45 + 42 42 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: 43 43 44 44 45 -[[image:image-20220527092058-3.png]] 49 +[[image:image-20220527092058-3.png||height="552" width="905"]] 46 46 47 -Connection 51 +**Connection** 48 48 49 49 50 50 51 -[[image:image-20220527092146-4.png]] 55 +[[image:image-20220527092146-4.png||height="507" width="906"]] 52 52 53 -Connection 57 +**Connection** 54 54 55 55 56 56 (% style="color:blue" %)**Related documents:** 57 57 58 -* 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 + 59 59 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 60 60 61 61 62 -== **1.3 Example3: Use RS485-LN with energy meters** == 63 63 68 +== 1.3 Example 3: Use RS485-LN with energy meters == 64 64 65 -=== **1.3.1 OverView**===70 +=== 1.3.1 OverView === 66 66 67 67 68 68 ((( 69 -(% 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.** 70 70 ))) 71 71 72 72 ((( 73 73 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 79 + 80 + 74 74 ))) 75 75 76 76 [[image:image-20220527092419-5.png]] 77 77 78 -Connection1 85 +**Connection1** 79 79 80 80 81 81 ... ... @@ -94,31 +94,33 @@ 94 94 ))) 95 95 96 96 ((( 97 -Power Source VIN to RS485-LN VIN+ 104 +Power Source **VIN** to RS485-LN **VIN+** 98 98 ))) 99 99 100 100 ((( 101 -Power Source GND to RS485-LN VIN- 108 +Power Source **GND** to RS485-LN **VIN-** 102 102 ))) 103 103 104 104 ((( 105 105 Once there is power, the RS485-LN will be on. 113 + 114 + 106 106 ))) 107 107 108 108 [[image:image-20220527092514-6.png]] 109 109 110 -Connection2 119 +**Connection2** 111 111 112 112 122 + 113 113 [[image:image-20220527092555-7.png]] 114 114 115 -Connection3 125 +**Connection3** 116 116 117 117 128 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 118 118 119 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 120 120 121 - 122 122 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. 123 123 124 124 [[image:image-20220601143257-10.png]] ... ... @@ -127,9 +127,13 @@ 127 127 (% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 128 128 129 129 * The first byte : slave address code (=001~247) 139 + 130 130 * The second byte : read register value function code 141 + 131 131 * 3rd and 4th bytes: start address of register to be read 143 + 132 132 * 5th and 6th bytes: Number of registers to read 145 + 133 133 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 134 134 135 135 ((( ... ... @@ -142,27 +142,25 @@ 142 142 ))) 143 143 144 144 * The first byte ARD: slave address code (=001~254) 158 + 145 145 * The second byte: Return to read function code 160 + 146 146 * 3rd byte: total number of bytes 162 + 147 147 * 4th~5th bytes: register data 164 + 148 148 * The 6th and 7th bytes: CRC16 checksum 166 + 149 149 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 150 150 151 -(% class="wikigeneratedid" %) 152 -((( 153 - 154 154 155 155 156 - 157 -))) 171 +=== 1.3.3 How to configure RS485-LN and parse output commands === 158 158 159 -=== **1.3.3 How to configure RS485-LN and parse output commands** === 160 160 161 - 162 162 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 163 163 164 164 165 - 166 166 ==== **1.3.3.1 via AT COMMAND** ==== 167 167 168 168 ... ... @@ -170,16 +170,18 @@ 170 170 171 171 ((( 172 172 If the configured parameters and commands are incorrect, the return value is not obtained. 184 + 185 + 173 173 ))) 174 174 175 175 [[image:image-20220601143201-9.png]] 176 176 177 -AT COMMAND 190 +**AT COMMAND** 178 178 179 179 180 180 (% class="box infomessage" %) 181 181 ((( 182 - **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 183 183 ))) 184 184 185 185 a: length for the return of AT+COMMAND ... ... @@ -190,16 +190,15 @@ 190 190 191 191 [[image:image-20220601143115-8.png]] 192 192 193 -AT COMMAND 206 +**AT COMMAND** 194 194 195 195 196 196 197 197 PAYLOAD is available after the valid value is intercepted. 198 198 199 - 200 200 [[image:image-20220601143046-7.png]] 201 201 202 -AT COMMAND 214 +**AT COMMAND** 203 203 204 204 205 205 ... ... @@ -208,7 +208,7 @@ 208 208 [[image:image-20220601143519-1.png]] 209 209 210 210 ((( 211 -AT COMMAND 223 +**AT COMMAND** 212 212 ))) 213 213 214 214 ((( ... ... @@ -266,9 +266,10 @@ 266 266 AT COMMAND 267 267 268 268 269 -(% 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.** 270 270 282 +(% 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.** 271 271 284 + 272 272 [[image:image-20220601143642-2.png]] 273 273 274 274 AT COMMAND ... ... @@ -281,15 +281,13 @@ 281 281 [[image:image-20220527093358-15.png]] 282 282 283 283 ((( 284 -DOWNLINK 297 +**DOWNLINK** 285 285 ))) 286 286 287 -((( 288 - 289 -))) 290 290 301 + 291 291 ((( 292 -(% style="color: #4f81bd" %)**Type Code 0xAF**303 +(% style="color:blue" %)**Type Code 0xAF** 293 293 ))) 294 294 295 295 ((( ... ... @@ -335,9 +335,8 @@ 335 335 will execute an uplink after got this command. 336 336 ))) 337 337 338 -((( 339 - 340 340 350 +((( 341 341 (% style="color:blue" %)**Example:** 342 342 ))) 343 343 ... ... @@ -347,36 +347,36 @@ 347 347 348 348 [[image:image-20220601144149-6.png]] 349 349 350 -DOWNLINK 360 +**DOWNLINK** 351 351 352 352 353 353 354 354 [[image:image-20220601143803-3.png]] 355 355 356 -DOWNLINK 366 +**DOWNLINK** 357 357 358 358 359 359 360 360 [[image:image-20220601144053-5.png]] 361 361 362 -DOWNLINK 372 +**DOWNLINK** 363 363 364 364 365 365 366 366 [[image:image-20220601143921-4.png]] 367 367 368 -DOWNLINK 378 +**DOWNLINK** 369 369 370 370 371 371 372 372 [[image:image-20220601142805-5.png]] 373 373 374 -DOWNLINK 375 - 384 +**DOWNLINK** 376 376 377 377 378 -=== **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 === 379 379 389 + 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 ((( ... ... @@ -429,11 +429,11 @@ 429 429 430 430 [[image:image-20220527093821-23.png]] 431 431 432 -USB 440 +**USB** 433 433 434 434 435 435 436 -=== **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 === 437 437 438 438 439 439 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. ... ... @@ -449,6 +449,7 @@ 449 449 450 450 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 451 451 460 + 452 452 [[image:image-20220527093950-25.png]] 453 453 454 454 ... ... @@ -481,9 +481,9 @@ 481 481 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 482 482 ))) 483 483 484 -* 01:device adaress 493 +* 01: device adaress 485 485 486 -* 10:function code 495 +* 10: function code 487 487 488 488 * 00 61:Register address 489 489 ... ... @@ -512,6 +512,7 @@ 512 512 * 08 DF is the valid value of the meter with device address 02. 513 513 * 43 62 is the valid value of the meter with device address 01. 514 514 524 +(% style="display:none" %) (%%) 515 515 516 516 517 517 == 1.4 Example 4: Circuit Breaker Remote Open Close == ... ... @@ -523,10 +523,10 @@ 523 523 524 524 [[image:image-20220527094330-30.png]] 525 525 526 -Connection 536 +**Connection** 527 527 528 528 529 -* 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"]] 530 530 531 531 532 532 ... ... @@ -535,17 +535,18 @@ 535 535 536 536 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: 537 537 538 -* 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);"]] 539 -* 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);"]] 540 540 550 +* 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"]] 541 541 542 542 553 + 543 543 == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN == 544 544 545 545 546 546 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: 547 547 548 -* 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);"]] 549 549 550 550 551 551