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... ... @@ -7,69 +7,68 @@ 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 == 17 17 17 +== **1.1 Example 1: Connect to Leak relay and VFD** == 18 18 19 + 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 21 22 -[[image:image-20220527091852-1.png ||height="547" width="994"]]23 +[[image:image-20220527091852-1.png]] 23 23 24 - **Connection**25 +Connection 25 25 26 26 27 27 28 28 [[image:image-20220527091942-2.png]](% style="display:none" %) 29 29 30 - **Connection**31 +Connection 31 31 32 32 33 33 (% style="color:blue" %)**Related documents:** 34 34 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 - 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);"]] 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 - 39 39 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 40 40 41 41 42 42 43 -== 1.2 Example 2: Connect to Pulse Counter == 42 +== **1.2 Example 2: Connect to Pulse Counter** == 44 44 45 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 ||height="552" width="905"]]48 +[[image:image-20220527092058-3.png]] 50 50 51 - **Connection**50 +Connection 52 52 53 53 54 54 55 -[[image:image-20220527092146-4.png ||height="507" width="906"]]54 +[[image:image-20220527092146-4.png]] 56 56 57 - **Connection**56 +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 - 64 64 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 65 65 66 66 67 67 68 -== 1.3 Example 66 +== **1.3 Example3: Use RS485-LN with energy meters** == 69 69 70 -=== 1.3.1 OverView === 71 71 69 +=== **1.3.1 OverView** === 72 72 71 + 73 73 ((( 74 74 (% style="color:red" %)**Note**:**The specifications of each energy meter are different, please refer to your own energy meter specifications.** 75 75 ))) ... ... @@ -82,7 +82,7 @@ 82 82 83 83 [[image:image-20220527092419-5.png]] 84 84 85 - **Connection1**84 +Connection1 86 86 87 87 88 88 ... ... @@ -101,11 +101,11 @@ 101 101 ))) 102 102 103 103 ((( 104 -Power Source **VIN**to RS485-LN**VIN+**103 +Power Source VIN to RS485-LN VIN+ 105 105 ))) 106 106 107 107 ((( 108 -Power Source **GND**to RS485-LN**VIN-**107 +Power Source GND to RS485-LN VIN- 109 109 ))) 110 110 111 111 ((( ... ... @@ -116,18 +116,19 @@ 116 116 117 117 [[image:image-20220527092514-6.png]] 118 118 119 - **Connection2**118 +Connection2 120 120 121 121 122 122 123 123 [[image:image-20220527092555-7.png]] 124 124 125 - **Connection3**124 +Connection3 126 126 127 127 128 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 129 129 128 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 130 130 130 + 131 131 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. 132 132 133 133 [[image:image-20220601143257-10.png]] ... ... @@ -136,13 +136,9 @@ 136 136 (% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 137 137 138 138 * The first byte : slave address code (=001~247) 139 - 140 140 * The second byte : read register value function code 141 - 142 142 * 3rd and 4th bytes: start address of register to be read 143 - 144 144 * 5th and 6th bytes: Number of registers to read 145 - 146 146 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 147 147 148 148 ((( ... ... @@ -155,25 +155,27 @@ 155 155 ))) 156 156 157 157 * The first byte ARD: slave address code (=001~254) 158 - 159 159 * The second byte: Return to read function code 160 - 161 161 * 3rd byte: total number of bytes 162 - 163 163 * 4th~5th bytes: register data 164 - 165 165 * The 6th and 7th bytes: CRC16 checksum 166 - 167 167 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 168 168 160 +(% class="wikigeneratedid" %) 161 +((( 162 + 169 169 170 170 171 -=== 1.3.3 How to configure RS485-LN and parse output commands === 165 + 166 +))) 172 172 168 +=== **1.3.3 How to configure RS485-LN and parse output commands** === 173 173 170 + 174 174 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 175 175 176 176 174 + 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**188 +AT COMMAND 191 191 192 192 193 193 (% class="box infomessage" %) ... ... @@ -203,15 +203,16 @@ 203 203 204 204 [[image:image-20220601143115-8.png]] 205 205 206 - **AT COMMAND**204 +AT COMMAND 207 207 208 208 209 209 210 210 PAYLOAD is available after the valid value is intercepted. 211 211 210 + 212 212 [[image:image-20220601143046-7.png]] 213 213 214 - **AT COMMAND**213 +AT COMMAND 215 215 216 216 217 217 ... ... @@ -220,16 +220,19 @@ 220 220 [[image:image-20220601143519-1.png]] 221 221 222 222 ((( 223 - **AT COMMAND**222 +AT COMMAND 224 224 ))) 225 225 226 226 ((( 227 227 227 + 228 + 228 228 ))) 229 229 230 230 ((( 231 231 (% style="color:blue" %)**Example**: 232 232 234 + 233 233 (% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 234 234 ))) 235 235 ... ... @@ -271,6 +271,8 @@ 271 271 272 272 ((( 273 273 Payload: 01 00 02 39 85 08 DC 00 00 00 44 276 + 277 + 274 274 ))) 275 275 276 276 [[image:image-20220601142936-6.png]] ... ... @@ -294,11 +294,13 @@ 294 294 [[image:image-20220527093358-15.png]] 295 295 296 296 ((( 297 - **DOWNLINK**301 +DOWNLINK 298 298 ))) 299 299 304 +((( 305 + 306 +))) 300 300 301 - 302 302 ((( 303 303 (% style="color:blue" %)**Type Code 0xAF** 304 304 ))) ... ... @@ -312,6 +312,8 @@ 312 312 313 313 ((( 314 314 (% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.** 321 + 322 + 315 315 ))) 316 316 317 317 ((( ... ... @@ -346,8 +346,9 @@ 346 346 will execute an uplink after got this command. 347 347 ))) 348 348 349 - 350 350 ((( 358 + 359 + 351 351 (% style="color:blue" %)**Example:** 352 352 ))) 353 353 ... ... @@ -357,34 +357,35 @@ 357 357 358 358 [[image:image-20220601144149-6.png]] 359 359 360 - **DOWNLINK**369 +DOWNLINK 361 361 362 362 363 363 364 364 [[image:image-20220601143803-3.png]] 365 365 366 - **DOWNLINK**375 +DOWNLINK 367 367 368 368 369 369 370 370 [[image:image-20220601144053-5.png]] 371 371 372 - **DOWNLINK**381 +DOWNLINK 373 373 374 374 375 375 376 376 [[image:image-20220601143921-4.png]] 377 377 378 - **DOWNLINK**387 +DOWNLINK 379 379 380 380 381 381 382 382 [[image:image-20220601142805-5.png]] 383 383 384 -**DOWNLINK** 393 +DOWNLINK 394 + 385 385 386 386 387 -=== 1.3.4 How to configure and output commands for RS485 to USB === 397 +=== **1.3.4 How to configure and output commands for RS485 to USB** === 388 388 389 389 390 390 ((( ... ... @@ -411,18 +411,20 @@ 411 411 412 412 [[image:image-20220527093708-21.png]] 413 413 414 - **USB**424 +USB 415 415 416 416 417 417 418 418 [[image:image-20220527093747-22.png]] 419 419 420 - **USB**430 +USB 421 421 422 422 423 423 424 424 ((( 425 425 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. 436 + 437 + 426 426 ))) 427 427 428 428 ((( ... ... @@ -437,11 +437,11 @@ 437 437 438 438 [[image:image-20220527093821-23.png]] 439 439 440 - **USB**452 +USB 441 441 442 442 443 443 444 -=== 1.3.5 How to configure multiple devices and modify device addresses === 456 +=== **1.3.5 How to configure multiple devices and modify device addresses** === 445 445 446 446 447 447 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. ... ... @@ -490,9 +490,9 @@ 490 490 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 491 491 ))) 492 492 493 -* 01: 505 +* 01:device adaress 494 494 495 -* 10: 507 +* 10:function code 496 496 497 497 * 00 61:Register address 498 498 ... ... @@ -521,9 +521,9 @@ 521 521 * 08 DF is the valid value of the meter with device address 02. 522 522 * 43 62 is the valid value of the meter with device address 01. 523 523 524 -(% style="display:none" %) (%%) 525 525 526 526 538 + 527 527 == 1.4 Example 4: Circuit Breaker Remote Open Close == 528 528 529 529 ... ... @@ -533,7 +533,7 @@ 533 533 534 534 [[image:image-20220527094330-30.png]] 535 535 536 - **Connection**548 +Connection 537 537 538 538 539 539 * 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"]] ... ... @@ -540,6 +540,7 @@ 540 540 541 541 542 542 555 + 543 543 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 544 544 545 545 ... ... @@ -546,11 +546,11 @@ 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-BL to connect to SEM Three Energy Meter and send the data to mobile phone for remote minitor. The structure is like below: 547 547 548 548 * 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);"]] 549 - 550 550 * 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"]] 551 551 552 552 553 553 566 + 554 554 == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN == 555 555 556 556 ... ... @@ -560,6 +560,7 @@ 560 560 561 561 562 562 576 + 563 563 == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 564 564 565 565