Last modified by Karry Zhuang on 2024/07/11 11:58
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -1,4 +1,5 @@ 1 -**Table of Contents:** 1 +(% class="wikigeneratedid" %) 2 + **Contents:** 2 2 3 3 {{toc/}} 4 4 ... ... @@ -9,17 +9,13 @@ 9 9 10 10 = **1. Introduction** = 11 11 12 - 13 13 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 14 14 15 15 16 - 17 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 - 23 23 [[image:image-20220527091852-1.png]] 24 24 25 25 Connection ... ... @@ -31,21 +31,17 @@ 31 31 Connection 32 32 33 33 34 - (% style="color:blue" %)**Related documents:**31 +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);"]]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);"]]33 +* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure 34 +* [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code. 38 38 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 39 39 40 40 41 - 42 - 43 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 - 49 49 [[image:image-20220527092058-3.png]] 50 50 51 51 Connection ... ... @@ -57,28 +57,21 @@ 57 57 Connection 58 58 59 59 60 -(% style="color:blue" %)**Related documents:** 61 - 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"]] 53 +* [[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/]] : Configure Document 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 56 +== == 65 65 66 - 67 - 68 68 == **1.3 Example3: Use RS485-LN with energy meters** == 69 69 70 - 71 71 === **1.3.1 OverView** === 72 72 73 - 74 74 ((( 75 - (% style="color:red" %)**Note**:**The specifications of each energy meter are different, please refer to your own energy meter specifications.**63 +**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 76 76 ))) 77 77 78 78 ((( 79 79 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 80 - 81 - 82 82 ))) 83 83 84 84 [[image:image-20220527092419-5.png]] ... ... @@ -88,9 +88,7 @@ 88 88 89 89 90 90 ((( 91 -(% style="color:blue" %)**How to connect with Energy Meter:** 92 - 93 - 77 +How to connect with Energy Meter: 94 94 ))) 95 95 96 96 ((( ... ... @@ -111,8 +111,6 @@ 111 111 112 112 ((( 113 113 Once there is power, the RS485-LN will be on. 114 - 115 - 116 116 ))) 117 117 118 118 [[image:image-20220527092514-6.png]] ... ... @@ -126,16 +126,17 @@ 126 126 Connection3 127 127 128 128 129 - 130 130 === **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]] 136 136 137 137 138 -(% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 118 +(% class="box infomessage" %) 119 +((( 120 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A 121 +))) 139 139 140 140 * The first byte : slave address code (=001~247) 141 141 * The second byte : read register value function code ... ... @@ -144,12 +144,12 @@ 144 144 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 145 145 146 146 ((( 147 - 148 - 149 - 150 150 How to parse the reading of the return command of the parameter: 131 +))) 151 151 152 -(% style="color:blue" %)**Example:**(%%) RETURN1:01 03 02 08 FD 7E 05 133 +(% class="box infomessage" %) 134 +((( 135 +**Example:** RETURN1:01 03 02 08 FD 7E 05 153 153 ))) 154 154 155 155 * The first byte ARD: slave address code (=001~254) ... ... @@ -162,27 +162,19 @@ 162 162 (% class="wikigeneratedid" %) 163 163 ((( 164 164 165 - 166 - 167 - 168 168 ))) 169 169 170 170 === **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. 174 174 175 175 155 +==== **1.3.3.1 via AT COMMAND:** ==== 176 176 177 - ====**1.3.3.1via ATOMMAND**====157 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 178 178 179 - 180 -First, we can use (% style="color:blue" %)**AT+CFGDEV**(%%) to get the return value, and we can also judge whether the input parameters are correct. 181 - 182 182 ((( 183 183 If the configured parameters and commands are incorrect, the return value is not obtained. 184 - 185 - 186 186 ))) 187 187 188 188 [[image:image-20220601143201-9.png]] ... ... @@ -192,7 +192,7 @@ 192 192 193 193 (% class="box infomessage" %) 194 194 ((( 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,c170 + AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 196 196 ))) 197 197 198 198 a: length for the return of AT+COMMAND ... ... @@ -226,57 +226,52 @@ 226 226 227 227 ((( 228 228 229 - 230 - 231 231 ))) 232 232 233 233 ((( 234 -(% style="color:b lue" %)**Example**:207 +(% style="color:#4f81bd" %)**Example**: 235 235 236 - 237 -(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 209 +CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 238 238 ))) 239 239 240 240 ((( 241 -RETURN1: 213 +RETURN1:01 03 02 00 02 39 85 00 00(return data) 242 242 ))) 243 243 244 244 ((( 245 -AT+DATACUT1: 217 +AT+DATACUT1:9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload. 246 246 247 247 248 248 ))) 249 249 250 250 ((( 251 - (% style="color:red" %)**CMD2:**(%%)Read voltage data with MODBUS command. address:223 +CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1 252 252 ))) 253 253 254 254 ((( 255 -RETURN2: 227 +RETURN2:01 03 02 08 DC BE 1D(return data) 256 256 ))) 257 257 258 258 ((( 259 -AT+DATACUT2: 231 +AT+DATACUT2:7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload. 260 260 261 261 262 262 ))) 263 263 264 264 ((( 265 - (% style="color:red" %)**CMD3:**(%%)Read total active energy data with MODBUS command. address:237 +CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 266 266 ))) 267 267 268 268 ((( 269 -RETURN3: 241 +RETURN3:01 03 04 00 00 00 44 FA 00(return data) 270 270 ))) 271 271 272 272 ((( 273 -AT+DATACUT3: 245 +AT+DATACUT3:9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload. 274 274 ))) 275 275 276 276 ((( 277 -Payload: 01 00 02 39 85 08 DC 00 00 00 44 278 - 279 - 249 +Payload:01 00 02 39 85 08 DC 00 00 00 44 280 280 ))) 281 281 282 282 [[image:image-20220601142936-6.png]] ... ... @@ -284,8 +284,8 @@ 284 284 AT COMMAND 285 285 286 286 257 +(% 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.** 287 287 288 -(% 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.** 289 289 290 290 291 291 [[image:image-20220601143642-2.png]] ... ... @@ -293,10 +293,8 @@ 293 293 AT COMMAND 294 294 295 295 296 - 297 297 ==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 298 298 299 - 300 300 [[image:image-20220527093358-15.png]] 301 301 302 302 ((( ... ... @@ -308,7 +308,7 @@ 308 308 ))) 309 309 310 310 ((( 311 -(% style="color:b lue" %)**Type Code 0xAF**279 +(% style="color:#4f81bd" %)**Type Code 0xAF** 312 312 ))) 313 313 314 314 ((( ... ... @@ -319,9 +319,7 @@ 319 319 ))) 320 320 321 321 ((( 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 - 290 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 325 325 ))) 326 326 327 327 ((( ... ... @@ -359,7 +359,7 @@ 359 359 ((( 360 360 361 361 362 -(% style="color:b lue" %)**Example:**328 +(% style="color:#4f81bd" %)**Example:** 363 363 ))) 364 364 365 365 ((( ... ... @@ -366,7 +366,7 @@ 366 366 **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 367 367 ))) 368 368 369 -[[image:image-20220 601144149-6.png]]335 +[[image:image-20220527093430-16.png]] 370 370 371 371 DOWNLINK 372 372 ... ... @@ -378,7 +378,7 @@ 378 378 379 379 380 380 381 -[[image:image-20220 601144053-5.png]]347 +[[image:image-20220527093530-18.png]] 382 382 383 383 DOWNLINK 384 384 ... ... @@ -395,10 +395,8 @@ 395 395 DOWNLINK 396 396 397 397 398 - 399 399 === **1.3.4 How to configure and output commands for RS485 to USB** === 400 400 401 - 402 402 ((( 403 403 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. 404 404 ))) ... ... @@ -417,8 +417,6 @@ 417 417 418 418 ((( 419 419 check digit: Even 420 - 421 - 422 422 ))) 423 423 424 424 [[image:image-20220527093708-21.png]] ... ... @@ -435,18 +435,14 @@ 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 ((( 443 -(% style="color:b lue" %)**Example:** (%%)input:01 03 00 31 00 02 95 c4403 +(% style="color:#4f81bd" %)**Example:** (%%)input:01 03 00 31 00 02 95 c4 444 444 ))) 445 445 446 446 ((( 447 447 output:01 03 04 00 00 00 42 7A 02 448 - 449 - 450 450 ))) 451 451 452 452 [[image:image-20220527093821-23.png]] ... ... @@ -454,10 +454,8 @@ 454 454 USB 455 455 456 456 457 - 458 458 === **1.3.5 How to configure multiple devices and modify device addresses** === 459 459 460 - 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. 462 462 463 463 ((( ... ... @@ -469,14 +469,12 @@ 469 469 [[image:image-20220601142044-1.png]] 470 470 471 471 472 - (% style="color:blue" %)**Example**(%%):428 +**Example**:These two meters are examples of setting parameters and device addresses. 473 473 474 474 [[image:image-20220527093950-25.png]] 475 475 476 - 477 477 [[image:image-20220527094028-26.png]] 478 478 479 - 480 480 ((( 481 481 ((( 482 482 First of all, since the default device address of the energy meter is 01, the configuration of two energy meters will conflict, so we first connect an energy meter and configure the device address. ... ... @@ -485,7 +485,7 @@ 485 485 486 486 ((( 487 487 ((( 488 -We can use (% style="color:blue" %)**AT+CFGDEV**(%%)to set the device address.442 +We can use AT+CFGDEV to set the device address. 489 489 ))) 490 490 ))) 491 491 ... ... @@ -497,7 +497,6 @@ 497 497 498 498 [[image:image-20220601142354-2.png]] 499 499 500 - 501 501 (% class="box infomessage" %) 502 502 ((( 503 503 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** ... ... @@ -528,47 +528,41 @@ 528 528 529 529 [[image:image-20220601142607-4.png]] 530 530 484 +**PAYLOAD:01 08 DF 43 62** 531 531 532 -(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62** 533 - 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. 536 536 537 537 == 1.4 Example 4: Circuit Breaker Remote Open Close == 538 538 491 +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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. The structure is like below: 539 539 540 -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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. 541 - 542 -The structure is like below: 543 - 544 544 [[image:image-20220527094330-30.png]] 545 545 546 546 Connection 547 547 497 +* [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]] : Configure Documen 548 548 549 -* 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 - 551 551 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 552 552 553 - 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 -* 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);"]] 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"]] 503 +* [[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]] : Configure Document For RS485-BL 558 558 559 - ==1.6 Example6:CEMC31485-T1-MIDEnergywith==505 +* [[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]] : Configure Document for RS485-LN 560 560 561 561 508 +== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 509 + 562 562 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: 563 563 564 -* 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);"]]512 +* [[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]] : Configure Document For RS485-LN 565 565 566 -== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 567 567 515 +== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 568 568 569 569 [[image:image-20220527094556-31.png]] 570 570 571 571 Network Structure 572 572 573 - 574 574 * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]