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... ... @@ -1,35 +1,19 @@ 1 -(% class="wikigeneratedid" %) 2 - ** Table of** **Contents:** 1 += 1. Introduction = 3 3 4 -{{toc/}} 5 - 6 - 7 - 8 - 9 - 10 - 11 -= **1. Introduction** = 12 - 13 - 14 14 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 15 15 5 +== 1.1 Example 1: Connect to Leak relay and VFD == 16 16 17 -== **1.1 Example 1: Connect to Leak relay and VFD** == 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 -[[image:image -20220527091852-1.png]]9 +[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="297" width="534"]] 23 23 24 24 Connection 25 25 13 +[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %) 26 26 27 - 28 -[[image:image-20220527091942-2.png]](% style="display:none" %) 29 - 30 30 Connection 31 31 32 - 33 33 Related documents: 34 34 35 35 * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure ... ... @@ -37,31 +37,25 @@ 37 37 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 38 38 39 39 24 +== 1.2 Example 2: Connect to Pulse Counter == 40 40 41 - 42 -== **1.2 Example 2: Connect to Pulse Counter** == 43 - 44 44 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: 45 45 46 -[[image:image -20220527092058-3.png]]28 +[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]] 47 47 48 48 Connection 49 49 32 +[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]] 50 50 51 - 52 -[[image:image-20220527092146-4.png]] 53 - 54 54 Connection 55 55 56 - 57 57 * [[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 58 58 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 59 59 60 -== == 61 61 62 -== **1.3 Example3: Use RS485-LN with energy meters**==40 +== 1.3 Example3: Use RS485-LN with energy meters == 63 63 64 -=== **1.3.1 OverView**===42 +=== 1.3.1 OverView === 65 65 66 66 ((( 67 67 **Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. ... ... @@ -71,57 +71,40 @@ 71 71 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 72 72 ))) 73 73 74 -[[image:image -20220527092419-5.png]]52 +[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="800" width="600"]] 75 75 76 76 Connection1 77 77 78 - 79 - 80 -((( 81 81 How to connect with Energy Meter: 82 -))) 83 83 84 -((( 85 85 Follow the instructions of the electric energy meter to connect the phase line and the neutral line, and then connect 485A+ and 485B- to RS485A and RA485B of RS485-LN respectively. 86 -))) 87 87 88 -((( 89 89 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 90 -))) 91 91 92 -((( 93 93 Power Source VIN to RS485-LN VIN+ 94 -))) 95 95 96 -((( 97 97 Power Source GND to RS485-LN VIN- 98 -))) 99 99 100 -((( 101 101 Once there is power, the RS485-LN will be on. 102 -))) 103 103 104 -[[image:image -20220527092514-6.png]]68 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="450" width="600"]] 105 105 106 106 Connection2 107 107 72 +[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="800" width="600"]] 108 108 109 - 110 -[[image:image-20220527092555-7.png]] 111 - 112 112 Connection3 113 113 114 114 115 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands**===77 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 116 116 117 117 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. 118 118 119 -[[image:image -20220601143257-10.png]]81 +[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]] 120 120 121 - 122 122 (% class="box infomessage" %) 123 123 ((( 124 - **Example:**AT+COMMAND1=01 03 00 00 00 01 84 0A85 +Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 125 125 ))) 126 126 127 127 * The first byte : slave address code (=001~247) ... ... @@ -130,13 +130,11 @@ 130 130 * 5th and 6th bytes: Number of registers to read 131 131 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 132 132 133 -((( 134 134 How to parse the reading of the return command of the parameter: 135 -))) 136 136 137 137 (% class="box infomessage" %) 138 138 ((( 139 - **Example:**RETURN1:01 03 02 08 FD 7E 0598 +Example:RETURN1:01 03 02 08 FD 7E 05 140 140 ))) 141 141 142 142 * The first byte ARD: slave address code (=001~254) ... ... @@ -146,18 +146,13 @@ 146 146 * The 6th and 7th bytes: CRC16 checksum 147 147 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 148 148 149 -(% class="wikigeneratedid" %) 150 -((( 151 - 152 -))) 153 153 154 -=== **1.3.3 How to configure RS485-LN and parse output commands**===109 +=== 1.3.3 How to configure RS485-LN and parse output commands === 155 155 156 156 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 157 157 113 +==== 1.3.3.1 via AT COMMAND: ==== 158 158 159 -==== **1.3.3.1 via AT COMMAND:** ==== 160 - 161 161 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 162 162 163 163 ((( ... ... @@ -164,112 +164,74 @@ 164 164 If the configured parameters and commands are incorrect, the return value is not obtained. 165 165 ))) 166 166 167 -[[image:image -20220601143201-9.png]]121 +[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]] 168 168 169 -AT COMMAND 123 +**AT COMMAND** 170 170 171 - 172 172 (% class="box infomessage" %) 173 173 ((( 174 - 127 +AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 175 175 ))) 176 176 177 -a: 130 +a: length for the return of AT+COMMAND 178 178 179 -b: ;2: grab valid value by bytes section, max 3 sections.132 +b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections. 180 180 181 -c: 134 +c: define the position for valid value. 182 182 183 -[[image:image -20220601143115-8.png]]136 +[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]] 184 184 185 185 AT COMMAND 186 186 187 - 188 - 189 189 PAYLOAD is available after the valid value is intercepted. 190 190 191 191 192 -[[image:image -20220601143046-7.png]]143 +[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]] 193 193 194 194 AT COMMAND 195 195 196 - 197 - 198 198 You can get configured PAYLOAD on TTN. 199 199 200 -[[image:image-20220601143519-1.png]] 201 201 202 -((( 150 +[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]] 151 + 203 203 AT COMMAND 204 -))) 205 205 206 -((( 207 - 208 -))) 154 +**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 209 209 210 -((( 211 -(% style="color:#4f81bd" %)**Example**: 212 - 213 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 214 -))) 215 - 216 -((( 217 217 RETURN1:01 03 02 00 02 39 85 00 00(return data) 218 -))) 219 219 220 -((( 221 221 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. 222 222 223 - 224 -))) 225 - 226 -((( 227 227 CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1 228 -))) 229 229 230 -((( 231 231 RETURN2:01 03 02 08 DC BE 1D(return data) 232 -))) 233 233 234 -((( 235 235 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. 236 236 237 - 238 -))) 239 - 240 -((( 241 241 CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 242 -))) 243 243 244 -((( 245 245 RETURN3:01 03 04 00 00 00 44 FA 00(return data) 246 -))) 247 247 248 -((( 249 249 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. 250 -))) 251 251 252 -((( 253 253 Payload:01 00 02 39 85 08 DC 00 00 00 44 254 -))) 255 255 256 -[[image:image -20220601142936-6.png]]174 +[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]] 257 257 258 258 AT COMMAND 259 259 178 +01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 260 260 261 -(% 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.** 262 262 181 +[[~[~[image:https://wiki.dragino.com/images/thumb/b/b8/AT_COMMAND11.png/600px-AT_COMMAND11.png~|~|height="271" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:AT_COMMAND11.png]] 263 263 264 - 265 -[[image:image-20220601143642-2.png]] 266 - 267 267 AT COMMAND 268 268 269 269 270 -==== **1.3.3.2 via LoRaWAN DOWNLINK**====186 +==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 271 271 272 -[[image:image -20220527093358-15.png]]188 +[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]] 273 273 274 274 ((( 275 275 DOWNLINK ... ... @@ -280,15 +280,12 @@ 280 280 ))) 281 281 282 282 ((( 283 - (% style="color:#4f81bd" %)**Type Code 0xAF**199 +Type Code 0xAF 284 284 ))) 285 285 286 286 ((( 287 -(% class="box infomessage" %) 288 -((( 289 289 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 290 290 ))) 291 -))) 292 292 293 293 ((( 294 294 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. ... ... @@ -327,139 +327,91 @@ 327 327 ))) 328 328 329 329 ((( 330 - 331 - 332 -(% style="color:#4f81bd" %)**Example:** 243 +Example: 333 333 ))) 334 334 335 335 ((( 336 - **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1247 +AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 337 337 ))) 338 338 339 -[[image:image -20220601144149-6.png]]250 +[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]] 340 340 341 341 DOWNLINK 342 342 343 343 255 +[[~[~[image:https://wiki.dragino.com/images/thumb/2/20/DOWNLINK_METER3.png/600px-DOWNLINK_METER3.png~|~|height="105" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER3.png]] 344 344 345 -[[image:image-20220601143803-3.png]] 346 - 347 347 DOWNLINK 348 348 349 349 260 +[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]] 350 350 351 -[[image:image-20220601144053-5.png]] 352 - 353 353 DOWNLINK 354 354 355 355 265 +[[~[~[image:https://wiki.dragino.com/images/thumb/3/39/DOWNLINK_METER5.png/600px-DOWNLINK_METER5.png~|~|height="176" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER5.png]] 356 356 357 -[[image:image-20220601143921-4.png]] 358 - 359 359 DOWNLINK 360 360 269 +[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]] 361 361 362 - 363 -[[image:image-20220601142805-5.png]] 364 - 365 365 DOWNLINK 366 366 367 367 368 -=== **1.3.4 How to configure and output commands for RS485 to USB**===274 +=== 1.3.4 How to configure and output commands for RS485 to USB === 369 369 370 -((( 371 371 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. 372 -))) 373 373 374 -((( 375 375 First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter. 376 -))) 377 377 378 -((( 379 379 Open the serial port debugging, set the send and receive to HEX. 380 -))) 381 381 382 -((( 383 383 Baud rate: 9600 384 -))) 385 385 386 -((( 387 387 check digit: Even 388 -))) 389 389 390 -[[image:image -20220527093708-21.png]]286 +[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]] 391 391 392 392 USB 393 393 290 +[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]] 394 394 395 - 396 -[[image:image-20220527093747-22.png]] 397 - 398 398 USB 399 399 400 - 401 - 402 -((( 403 403 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. 404 -))) 405 405 406 -((( 407 -(% style="color:#4f81bd" %)**Example:** (%%)input:01 03 00 31 00 02 95 c4 408 -))) 296 +Example:input:01 03 00 31 00 02 95 c4 409 409 410 -((( 411 - output:01 03 04 00 00 00 42 7A 02 412 -))) 298 +{{{ output:01 03 04 00 00 00 42 7A 02 299 +}}} 413 413 414 -[[image:image -20220527093821-23.png]]301 +[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]] 415 415 416 416 USB 417 417 305 +=== 1.3.5 How to configure multiple devices and modify device addresses === 418 418 419 -=== **1.3.5 How to configure multiple devices and modify device addresses** === 420 - 421 421 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. 422 422 423 -((( 424 -((( 425 425 Set the device address according to the parameters in the appendix of the MODBUS communication protocol. 426 -))) 427 -))) 428 428 429 -[[image:image -20220601142044-1.png]]311 +[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]] 430 430 313 +Example:These two meters are examples of setting parameters and device addresses. 431 431 432 - **Example**:Thesetwors arexamples of settingparametersand deviceaddresses.315 +[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]] 433 433 434 -[[image:image -20220527093950-25.png]]317 +[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]] 435 435 436 - 437 -[[image:image-20220527094028-26.png]] 438 - 439 -((( 440 -((( 441 441 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. 442 -))) 443 -))) 444 444 445 -((( 446 -((( 447 447 We can use AT+CFGDEV to set the device address. 448 -))) 449 -))) 450 450 451 -((( 452 -((( 453 453 We modify the device address 01 of the first energy meter to 02. 454 -))) 455 -))) 456 456 457 -[[image:image -20220601142354-2.png]]325 +[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]] 458 458 459 -(% class="box infomessage" %) 460 -((( 461 -**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 462 -))) 327 +AT+CFGDEV:01 10 00 61 00 01 02 00 02,1 463 463 464 464 * 01:device adaress 465 465 ... ... @@ -481,13 +481,12 @@ 481 481 482 482 Its default device address is 01, and the following are the parameters for configuring two energy meters. 483 483 484 -[[image:image -20220601142452-3.png]]349 +[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]] 485 485 351 +[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]] 486 486 487 - [[image:image-20220601142607-4.png]]353 +PAYLOAD:01 08 DF 43 62 488 488 489 -**PAYLOAD:01 08 DF 43 62** 490 - 491 491 * 08 DF is the valid value of the meter with device address 02. 492 492 * 43 62 is the valid value of the meter with device address 01. 493 493 ... ... @@ -496,12 +496,13 @@ 496 496 497 497 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: 498 498 499 -[[image:image -20220527094330-30.png]]363 +[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]] 500 500 501 501 Connection 502 502 503 503 * [[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 504 504 369 + 505 505 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 506 506 507 507 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: ... ... @@ -510,6 +510,7 @@ 510 510 511 511 * [[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 512 512 378 + 513 513 == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 514 514 515 515 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: ... ... @@ -516,9 +516,10 @@ 516 516 517 517 * [[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 518 518 385 + 519 519 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 520 520 521 -[[image:image -20220527094556-31.png]]388 +[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]] 522 522 523 523 Network Structure 524 524
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