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... ... @@ -1,33 +1,19 @@ 1 -(% class="wikigeneratedid" %) 2 - **Contents:** 1 += 1. Introduction = 3 3 4 -{{toc/}} 5 - 6 - 7 - 8 - 9 - 10 - 11 -= **1. Introduction** = 12 - 13 13 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 14 14 5 +== 1.1 Example 1: Connect to Leak relay and VFD == 15 15 16 -== **1.1 Example 1: Connect to Leak relay and VFD** == 17 - 18 18 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: 19 19 20 -[[image:image -20220527091852-1.png]]9 +[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="334" width="600"]] 21 21 22 22 Connection 23 23 13 +[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="844" width="600"]] 24 24 25 - 26 -[[image:image-20220527091942-2.png]](% style="display:none" %) 27 - 28 28 Connection 29 29 30 - 31 31 Related documents: 32 32 33 33 * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure ... ... @@ -35,91 +35,64 @@ 35 35 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 36 36 37 37 24 +== 1.2 Example 2: Connect to Pulse Counter == 38 38 39 -== **1.2 Example 2: Connect to Pulse Counter** == 40 - 41 41 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: 42 42 43 -[[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"]] 44 44 45 45 Connection 46 46 32 +[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]] 47 47 48 - 49 -[[image:image-20220527092146-4.png]] 50 - 51 51 Connection 52 52 53 - 54 54 * [[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 55 55 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 56 56 57 -== == 58 58 59 -== **1.3 Example3: Use RS485-LN with energy meters**==40 +== 1.3 Example3: Use RS485-LN with energy meters == 60 60 61 -=== **1.3.1 OverView**===42 +=== 1.3.1 OverView === 62 62 63 -((( 64 -**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 65 -))) 44 +Note:The specifications of each energy meter are different, please refer to your own energy meter specifications. 66 66 67 -((( 68 68 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 69 -))) 70 70 71 -[[image:image -20220527092419-5.png]]48 +[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="800" width="600"]] 72 72 73 73 Connection1 74 74 75 - 76 - 77 -((( 78 78 How to connect with Energy Meter: 79 -))) 80 80 81 -((( 82 82 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. 83 -))) 84 84 85 -((( 86 86 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 87 -))) 88 88 89 -((( 90 90 Power Source VIN to RS485-LN VIN+ 91 -))) 92 92 93 -((( 94 94 Power Source GND to RS485-LN VIN- 95 -))) 96 96 97 -((( 98 98 Once there is power, the RS485-LN will be on. 99 -))) 100 100 101 -[[image:image -20220527092514-6.png]]64 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="450" width="600"]] 102 102 103 103 Connection2 104 104 68 +[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="800" width="600"]] 105 105 106 - 107 -[[image:image-20220527092555-7.png]] 108 - 109 109 Connection3 110 110 111 111 112 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands**===73 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 113 113 114 -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.75 +If the user needs to read the parameters of the electric energy meter and use the modbus command, 115 115 116 - [[image:image-20220527092629-8.png]]77 +please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter. 117 117 79 +[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]] 118 118 119 -(% class="box infomessage" %) 120 -((( 121 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A 122 -))) 81 +Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 123 123 124 124 * The first byte : slave address code (=001~247) 125 125 * The second byte : read register value function code ... ... @@ -127,14 +127,9 @@ 127 127 * 5th and 6th bytes: Number of registers to read 128 128 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 129 129 130 -((( 131 131 How to parse the reading of the return command of the parameter: 132 -))) 133 133 134 -(% class="box infomessage" %) 135 -((( 136 -**Example:** RETURN1:01 03 02 08 FD 7E 05 137 -))) 91 +Example:RETURN1:01 03 02 08 FD 7E 05 138 138 139 139 * The first byte ARD: slave address code (=001~254) 140 140 * The second byte: Return to read function code ... ... @@ -143,34 +143,23 @@ 143 143 * The 6th and 7th bytes: CRC16 checksum 144 144 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 145 145 146 -(% class="wikigeneratedid" %) 147 -((( 148 - 149 -))) 150 150 151 -=== **1.3.3 How to configure RS485-LN and parse output commands**===101 +=== 1.3.3 How to configure RS485-LN and parse output commands === 152 152 153 153 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 154 154 105 +==== via AT COMMAND: ==== 155 155 156 - ====**1.3.3.1via ATOMMAND:**====107 +First, we can use AT+CFGDEV to get the return value, and we can also judge whether the input parameters are correct. 157 157 158 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 159 - 160 -((( 161 161 If the configured parameters and commands are incorrect, the return value is not obtained. 162 -))) 163 163 164 -[[image:image -20220527092748-9.png]]111 +[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]] 165 165 166 166 AT COMMAND 167 167 115 +AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 168 168 169 -(% class="box infomessage" %) 170 -((( 171 - AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 172 -))) 173 - 174 174 a: length for the return of AT+COMMAND 175 175 176 176 b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections. ... ... @@ -177,273 +177,159 @@ 177 177 178 178 c: define the position for valid value. 179 179 180 -[[image:image -20220527092936-10.png]]123 +[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]] 181 181 182 182 AT COMMAND 183 183 184 - 185 185 PAYLOAD is available after the valid value is intercepted. 186 186 129 +[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]] 187 187 188 -[[image:image-20220527093059-11.png]] 189 - 190 190 AT COMMAND 191 191 192 - 193 193 You can get configured PAYLOAD on TTN. 194 194 195 -[[image:image -20220527093133-12.png]]135 +[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]] 196 196 197 -((( 198 198 AT COMMAND 199 -))) 200 200 201 -((( 202 - 203 -))) 139 +Example: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 204 204 205 -((( 206 -(% style="color:#4f81bd" %)**Example**: 207 - 208 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 209 -))) 210 - 211 -((( 212 212 RETURN1:01 03 02 00 02 39 85 00 00(return data) 213 -))) 214 214 215 -((( 216 216 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. 217 217 218 - 219 -))) 220 - 221 -((( 222 222 CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1 223 -))) 224 224 225 -((( 226 226 RETURN2:01 03 02 08 DC BE 1D(return data) 227 -))) 228 228 229 -((( 230 230 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. 231 231 232 - 233 -))) 234 - 235 -((( 236 236 CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 237 -))) 238 238 239 -((( 240 240 RETURN3:01 03 04 00 00 00 44 FA 00(return data) 241 -))) 242 242 243 -((( 244 244 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. 245 -))) 246 246 247 -((( 248 248 Payload:01 00 02 39 85 08 DC 00 00 00 44 249 -))) 250 250 251 -[[image:image -20220527093204-13.png]]159 +[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]] 252 252 253 253 AT COMMAND 254 254 163 +01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 255 255 256 - (% style="color:#4f81bd" %)**01 iseviceaddress,00 02 isthe current, 08is thevoltage,0000 00 44isthetotal activeergy.**165 +[[~[~[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]] 257 257 258 -[[image:image-20220527093251-14.png]] 259 - 260 260 AT COMMAND 261 261 169 +==== 1.3.3.1 via LoRaWAN DOWNLINK ==== 262 262 263 - ==== **1.3.3.2 viaLoRaWAN**====171 +[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]] 264 264 265 -[[image:image-20220527093358-15.png]] 266 - 267 -((( 268 268 DOWNLINK 269 -))) 270 270 271 -((( 272 - 273 -))) 175 +Type Code 0xAF 274 274 275 -((( 276 -(% style="color:#4f81bd" %)**Type Code 0xAF** 277 -))) 278 - 279 -((( 280 -(% class="box infomessage" %) 281 -((( 282 282 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 283 -))) 284 -))) 285 285 286 -((( 287 287 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 288 -))) 289 289 290 -((( 291 291 Format: AF MM NN LL XX XX XX XX YY 292 -))) 293 293 294 -((( 295 295 Where: 296 -))) 297 297 298 -((( 299 299 MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 300 -))) 301 301 302 -((( 303 303 NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 304 -))) 305 305 306 -((( 307 307 LL: The length of AT+COMMAND or AT+DATACUT command 308 -))) 309 309 310 -((( 311 311 XX XX XX XX: AT+COMMAND or AT+DATACUT command 312 -))) 313 313 314 -((( 315 315 YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN 316 -))) 317 317 318 -((( 319 319 will execute an uplink after got this command. 320 -))) 321 321 322 -((( 323 -(% style="color:#4f81bd" %)**Example:** 324 -))) 197 +Example: 325 325 326 -((( 327 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 328 -))) 199 +AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 329 329 330 -[[image:image -20220527093430-16.png]]201 +[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]] 331 331 332 332 DOWNLINK 333 333 205 +[[~[~[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]] 334 334 335 -[[image:image-20220527093508-17.png]] 336 - 337 337 DOWNLINK 338 338 209 +[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]] 339 339 340 -[[image:image-20220527093530-18.png]] 341 - 342 342 DOWNLINK 343 343 213 +[[~[~[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]] 344 344 345 -[[image:image-20220527093607-19.png]] 346 - 347 347 DOWNLINK 348 348 217 +[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]] 349 349 350 -[[image:image-20220527093628-20.png]] 351 - 352 352 DOWNLINK 353 353 354 354 355 -=== **1.3.4 How to configure and output commands for RS485 to USB**===222 +=== 1.3.4 How to configure and output commands for RS485 to USB === 356 356 357 -((( 358 358 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. 359 -))) 360 360 361 -((( 362 362 First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter. 363 -))) 364 364 365 -((( 366 366 Open the serial port debugging, set the send and receive to HEX. 367 -))) 368 368 369 -((( 370 370 Baud rate: 9600 371 -))) 372 372 373 -((( 374 374 check digit: Even 375 -))) 376 376 377 -[[image:image -20220527093708-21.png]]234 +[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]] 378 378 379 379 USB 380 380 238 +[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]] 381 381 382 -[[image:image-20220527093747-22.png]] 383 - 384 384 USB 385 385 386 - 387 -((( 388 388 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. 389 -))) 390 390 391 -((( 392 -(% style="color:#4f81bd" %)**Example:** (%%)input:01 03 00 31 00 02 95 c4 393 -))) 244 +Example:input:01 03 00 31 00 02 95 c4 394 394 395 -((( 396 - output:01 03 04 00 00 00 42 7A 02 397 -))) 246 +{{{ output:01 03 04 00 00 00 42 7A 02 247 +}}} 398 398 399 -[[image:image -20220527093821-23.png]]249 +[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]] 400 400 401 401 USB 402 402 253 +=== 1.3.5 How to configure multiple devices and modify device addresses === 403 403 404 -=== **1.3.5 How to configure multiple devices and modify device addresses** === 405 - 406 406 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. 407 407 408 -((( 409 -((( 410 410 Set the device address according to the parameters in the appendix of the MODBUS communication protocol. 411 -))) 412 -))) 413 413 414 -[[image:image -20220527093849-24.png]]259 +[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]] 415 415 261 +Example:These two meters are examples of setting parameters and device addresses. 416 416 417 - **Example**:Thesetwors arexamples of settingparametersand deviceaddresses.263 +[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]] 418 418 419 -[[image:image -20220527093950-25.png]]265 +[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]] 420 420 421 -[[image:image-20220527094028-26.png]] 422 - 423 -((( 424 -((( 425 425 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. 426 -))) 427 -))) 428 428 429 -((( 430 -((( 431 431 We can use AT+CFGDEV to set the device address. 432 -))) 433 -))) 434 434 435 -((( 436 -((( 437 437 We modify the device address 01 of the first energy meter to 02. 438 -))) 439 -))) 440 440 441 -[[image:image -20220527094100-27.png]]273 +[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]] 442 442 443 -(% class="box infomessage" %) 444 -((( 445 -**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 446 -))) 275 +AT+CFGDEV:01 10 00 61 00 01 02 00 02,1 447 447 448 448 * 01:device adaress 449 449 ... ... @@ -465,13 +465,12 @@ 465 465 466 466 Its default device address is 01, and the following are the parameters for configuring two energy meters. 467 467 468 -[[image:image -20220527094150-28.png]]297 +[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]] 469 469 299 +[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]] 470 470 471 - [[image:image-20220527094224-29.png]]301 +PAYLOAD:01 08 DF 43 62 472 472 473 -**PAYLOAD:01 08 DF 43 62** 474 - 475 475 * 08 DF is the valid value of the meter with device address 02. 476 476 * 43 62 is the valid value of the meter with device address 01. 477 477 ... ... @@ -480,7 +480,7 @@ 480 480 481 481 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: 482 482 483 -[[image:image -20220527094330-30.png]]311 +[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]] 484 484 485 485 Connection 486 486 ... ... @@ -495,6 +495,7 @@ 495 495 496 496 * [[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 497 497 326 + 498 498 == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 499 499 500 500 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: ... ... @@ -501,9 +501,10 @@ 501 501 502 502 * [[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 503 503 333 + 504 504 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 505 505 506 -[[image:image -20220527094556-31.png]]336 +[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]] 507 507 508 508 Network Structure 509 509
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