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 ... ... @@ -9,13 +9,11 @@ 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 16 == **1.1 Example 1: Connect to Leak relay and VFD** == 17 17 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 21 [[image:image-20220527091852-1.png]] ... ... @@ -29,20 +29,17 @@ 29 29 Connection 30 30 31 31 32 - (% style="color:blue" %)**Related documents:**31 +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);"]]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. 36 36 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 37 37 38 38 39 - 40 40 == **1.2 Example 2: Connect to Pulse Counter** == 41 41 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 - 46 46 [[image:image-20220527092058-3.png]] 47 47 48 48 Connection ... ... @@ -54,21 +54,17 @@ 54 54 Connection 55 55 56 56 57 -(% style="color:blue" %)**Related documents:** 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/]] 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 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 56 +== == 62 62 63 - 64 - 65 65 == **1.3 Example3: Use RS485-LN with energy meters** == 66 66 67 67 === **1.3.1 OverView** === 68 68 69 - 70 70 ((( 71 - (% 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. 72 72 ))) 73 73 74 74 ((( ... ... @@ -82,9 +82,7 @@ 82 82 83 83 84 84 ((( 85 -**How to connect with Energy Meter:** 86 - 87 - 77 +How to connect with Energy Meter: 88 88 ))) 89 89 90 90 ((( ... ... @@ -120,13 +120,15 @@ 120 120 121 121 === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 122 122 123 - 124 124 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. 125 125 126 126 [[image:image-20220601143257-10.png]] 127 127 128 128 129 -(% 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 +))) 130 130 131 131 * The first byte : slave address code (=001~247) 132 132 * The second byte : read register value function code ... ... @@ -135,12 +135,12 @@ 135 135 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 136 136 137 137 ((( 138 - 139 - 140 - 141 141 How to parse the reading of the return command of the parameter: 131 +))) 142 142 143 -(% 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 05 144 144 ))) 145 145 146 146 * The first byte ARD: slave address code (=001~254) ... ... @@ -153,22 +153,17 @@ 153 153 (% class="wikigeneratedid" %) 154 154 ((( 155 155 156 - 157 - 158 - 159 159 ))) 160 160 161 161 === **1.3.3 How to configure RS485-LN and parse output commands** === 162 162 163 - 164 164 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 165 165 166 166 167 -==== **1.3.3.1 via AT COMMAND** ==== 155 +==== **1.3.3.1 via AT COMMAND:** ==== 168 168 157 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 169 169 170 -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. 171 - 172 172 ((( 173 173 If the configured parameters and commands are incorrect, the return value is not obtained. 174 174 ))) ... ... @@ -180,7 +180,7 @@ 180 180 181 181 (% class="box infomessage" %) 182 182 ((( 183 - **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 184 184 ))) 185 185 186 186 a: length for the return of AT+COMMAND ... ... @@ -217,49 +217,49 @@ 217 217 ))) 218 218 219 219 ((( 220 -(% style="color:b lue" %)**Example**:207 +(% style="color:#4f81bd" %)**Example**: 221 221 222 -CMD1: 209 +CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 223 223 ))) 224 224 225 225 ((( 226 -RETURN1: 213 +RETURN1:01 03 02 00 02 39 85 00 00(return data) 227 227 ))) 228 228 229 229 ((( 230 -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. 231 231 232 232 233 233 ))) 234 234 235 235 ((( 236 -CMD2: 223 +CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1 237 237 ))) 238 238 239 239 ((( 240 -RETURN2: 227 +RETURN2:01 03 02 08 DC BE 1D(return data) 241 241 ))) 242 242 243 243 ((( 244 -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. 245 245 246 246 247 247 ))) 248 248 249 249 ((( 250 -CMD3: 237 +CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 251 251 ))) 252 252 253 253 ((( 254 -RETURN3: 241 +RETURN3:01 03 04 00 00 00 44 FA 00(return data) 255 255 ))) 256 256 257 257 ((( 258 -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. 259 259 ))) 260 260 261 261 ((( 262 -Payload: 249 +Payload:01 00 02 39 85 08 DC 00 00 00 44 263 263 ))) 264 264 265 265 [[image:image-20220601142936-6.png]] ... ... @@ -270,6 +270,7 @@ 270 270 (% 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.** 271 271 272 272 260 + 273 273 [[image:image-20220601143642-2.png]] 274 274 275 275 AT COMMAND ... ... @@ -277,7 +277,6 @@ 277 277 278 278 ==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 279 279 280 - 281 281 [[image:image-20220527093358-15.png]] 282 282 283 283 ((( ... ... @@ -300,7 +300,7 @@ 300 300 ))) 301 301 302 302 ((( 303 - (% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.290 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 304 304 ))) 305 305 306 306 ((( ... ... @@ -338,7 +338,7 @@ 338 338 ((( 339 339 340 340 341 -(% style="color:b lue" %)**Example:**328 +(% style="color:#4f81bd" %)**Example:** 342 342 ))) 343 343 344 344 ((( ... ... @@ -394,8 +394,6 @@ 394 394 395 395 ((( 396 396 check digit: Even 397 - 398 - 399 399 ))) 400 400 401 401 [[image:image-20220527093708-21.png]] ... ... @@ -412,18 +412,14 @@ 412 412 413 413 ((( 414 414 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. 415 - 416 - 417 417 ))) 418 418 419 419 ((( 420 -(% 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 421 421 ))) 422 422 423 423 ((( 424 424 output:01 03 04 00 00 00 42 7A 02 425 - 426 - 427 427 ))) 428 428 429 429 [[image:image-20220527093821-23.png]] ... ... @@ -433,7 +433,6 @@ 433 433 434 434 === **1.3.5 How to configure multiple devices and modify device addresses** === 435 435 436 - 437 437 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. 438 438 439 439 ((( ... ... @@ -445,14 +445,12 @@ 445 445 [[image:image-20220601142044-1.png]] 446 446 447 447 448 - (% style="color:blue" %)**Example**(%%):428 +**Example**:These two meters are examples of setting parameters and device addresses. 449 449 450 450 [[image:image-20220527093950-25.png]] 451 451 452 - 453 453 [[image:image-20220527094028-26.png]] 454 454 455 - 456 456 ((( 457 457 ((( 458 458 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. ... ... @@ -461,7 +461,7 @@ 461 461 462 462 ((( 463 463 ((( 464 -We can use **AT+CFGDEV**to set the device address.442 +We can use AT+CFGDEV to set the device address. 465 465 ))) 466 466 ))) 467 467 ... ... @@ -473,7 +473,6 @@ 473 473 474 474 [[image:image-20220601142354-2.png]] 475 475 476 - 477 477 (% class="box infomessage" %) 478 478 ((( 479 479 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** ... ... @@ -504,7 +504,6 @@ 504 504 505 505 [[image:image-20220601142607-4.png]] 506 506 507 - 508 508 **PAYLOAD:01 08 DF 43 62** 509 509 510 510 * 08 DF is the valid value of the meter with device address 02. ... ... @@ -514,45 +514,34 @@ 514 514 515 515 == 1.4 Example 4: Circuit Breaker Remote Open Close == 516 516 493 +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: 517 517 518 -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. 519 - 520 -The structure is like below: 521 - 522 522 [[image:image-20220527094330-30.png]] 523 523 524 524 Connection 525 525 499 +* [[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 526 526 527 -* 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/]] 528 - 529 - 530 - 531 531 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 532 532 533 - 534 534 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: 535 535 536 -* 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);"]] 537 -* 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]] 505 +* [[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 538 538 507 +* [[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 539 539 540 540 541 -== 1.6 Example 6: 510 +== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 542 542 543 - 544 544 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: 545 545 546 -* 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);"]]514 +* [[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 547 547 548 548 517 +== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 549 549 550 -== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 551 - 552 - 553 553 [[image:image-20220527094556-31.png]] 554 554 555 555 Network Structure 556 556 557 - 558 558 * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]