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... ... @@ -1,28 +6,19 @@ 1 -(% class="wikigeneratedid" %) 2 - **Contents:** 3 - 4 -{{toc/}} 5 - 6 6 = 1. Introduction = 7 7 8 8 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 9 9 10 - 11 11 == 1.1 Example 1: Connect to Leak relay and VFD == 12 12 13 13 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: 14 14 15 -[[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"]] 16 16 17 17 Connection 18 18 13 +[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %) 19 19 20 - 21 -[[image:image-20220527091942-2.png]](% style="display:none" %) 22 - 23 23 Connection 24 24 25 - 26 26 Related documents: 27 27 28 28 * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure ... ... @@ -29,23 +29,22 @@ 29 29 * [[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. 30 30 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 31 31 23 + 32 32 == 1.2 Example 2: Connect to Pulse Counter == 33 33 34 34 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: 35 35 36 -[[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"]] 37 37 38 38 Connection 39 39 32 +[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]] 40 40 41 -[[image:image-20220527092146-4.png]] 42 - 43 43 Connection 44 44 45 45 * [[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 46 46 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 47 47 48 -== == 49 49 50 50 == 1.3 Example3: Use RS485-LN with energy meters == 51 51 ... ... @@ -52,7 +52,7 @@ 52 52 === 1.3.1 OverView === 53 53 54 54 ((( 55 - **Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications.45 +Note:The specifications of each energy meter are different, please refer to your own energy meter specifications. 56 56 ))) 57 57 58 58 ((( ... ... @@ -59,56 +59,40 @@ 59 59 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 60 60 ))) 61 61 62 -[[image:image -20220527092419-5.png]]52 +[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="800" width="600"]] 63 63 64 64 Connection1 65 65 66 - 67 -((( 68 68 How to connect with Energy Meter: 69 -))) 70 70 71 -((( 72 72 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. 73 -))) 74 74 75 -((( 76 76 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 77 -))) 78 78 79 -((( 80 80 Power Source VIN to RS485-LN VIN+ 81 -))) 82 82 83 -((( 84 84 Power Source GND to RS485-LN VIN- 85 -))) 86 86 87 -((( 88 88 Once there is power, the RS485-LN will be on. 89 -))) 90 90 91 -[[image:image -20220527092514-6.png]]68 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="450" width="600"]] 92 92 93 93 Connection2 94 94 72 +[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="800" width="600"]] 95 95 96 -[[image:image-20220527092555-7.png]] 97 - 98 98 Connection3 99 99 100 100 101 101 === 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 102 102 103 -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.79 +If the user needs to read the parameters of the electric energy meter and use the modbus command, 104 104 105 - [[image:image-20220527092629-8.png]]81 +please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter. 106 106 83 +[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]] 107 107 108 -(% class="box infomessage" %) 109 -((( 110 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A 111 -))) 85 +Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 112 112 113 113 * The first byte : slave address code (=001~247) 114 114 * The second byte : read register value function code ... ... @@ -116,14 +116,9 @@ 116 116 * 5th and 6th bytes: Number of registers to read 117 117 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 118 118 119 -((( 120 120 How to parse the reading of the return command of the parameter: 121 -))) 122 122 123 -(% class="box infomessage" %) 124 -((( 125 -**Example:** RETURN1:01 03 02 08 FD 7E 05 126 -))) 95 +Example:RETURN1:01 03 02 08 FD 7E 05 127 127 128 128 * The first byte ARD: slave address code (=001~254) 129 129 * The second byte: Return to read function code ... ... @@ -132,34 +132,23 @@ 132 132 * The 6th and 7th bytes: CRC16 checksum 133 133 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 134 134 135 -(% class="wikigeneratedid" %) 136 -((( 137 - 138 -))) 139 139 140 140 === 1.3.3 How to configure RS485-LN and parse output commands === 141 141 142 142 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 143 143 109 +==== via AT COMMAND: ==== 144 144 145 - ====1.3.3.1via ATOMMAND:====111 +First, we can use AT+CFGDEV to get the return value, and we can also judge whether the input parameters are correct. 146 146 147 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 148 - 149 -((( 150 150 If the configured parameters and commands are incorrect, the return value is not obtained. 151 -))) 152 152 153 -[[image:image -20220527092748-9.png]]115 +[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]] 154 154 155 155 AT COMMAND 156 156 119 +AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 157 157 158 -(% class="box infomessage" %) 159 -((( 160 - AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 161 -))) 162 - 163 163 a: length for the return of AT+COMMAND 164 164 165 165 b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections. ... ... @@ -166,267 +166,159 @@ 166 166 167 167 c: define the position for valid value. 168 168 169 -[[image:image -20220527092936-10.png]]127 +[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]] 170 170 171 171 AT COMMAND 172 172 173 - 174 174 PAYLOAD is available after the valid value is intercepted. 175 175 133 +[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]] 176 176 177 -[[image:image-20220527093059-11.png]] 178 - 179 179 AT COMMAND 180 180 181 - 182 182 You can get configured PAYLOAD on TTN. 183 183 184 -[[image:image -20220527093133-12.png]]139 +[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]] 185 185 186 -((( 187 187 AT COMMAND 188 -))) 189 189 190 -((( 191 - 192 -))) 143 +Example: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 193 193 194 -((( 195 -**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 196 -))) 197 - 198 -((( 199 199 RETURN1:01 03 02 00 02 39 85 00 00(return data) 200 -))) 201 201 202 -((( 203 203 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. 204 -))) 205 205 206 -((( 207 207 CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1 208 -))) 209 209 210 -((( 211 211 RETURN2:01 03 02 08 DC BE 1D(return data) 212 -))) 213 213 214 -((( 215 215 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. 216 -))) 217 217 218 -((( 219 219 CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 220 -))) 221 221 222 -((( 223 223 RETURN3:01 03 04 00 00 00 44 FA 00(return data) 224 -))) 225 225 226 -((( 227 227 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. 228 -))) 229 229 230 -((( 231 231 Payload:01 00 02 39 85 08 DC 00 00 00 44 232 -))) 233 233 234 -[[image:image -20220527093204-13.png]]163 +[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]] 235 235 236 236 AT COMMAND 237 237 167 +01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 238 238 239 - (% style="color:#4f81bd" %)**01 iseviceaddress,00 02 isthe current, 08is thevoltage,0000 00 44isthetotal activeergy.**169 +[[~[~[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]] 240 240 241 -[[image:image-20220527093251-14.png]] 242 - 243 243 AT COMMAND 244 244 173 +==== 1.3.3.1 via LoRaWAN DOWNLINK ==== 245 245 246 - ==== 1.3.3.2 viaLoRaWAN===175 +[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]] 247 247 248 -[[image:image-20220527093358-15.png]] 249 - 250 -((( 251 251 DOWNLINK 252 -))) 253 253 254 -((( 255 - 256 -))) 179 +Type Code 0xAF 257 257 258 -((( 259 -**Type Code 0xAF** 260 -))) 261 - 262 -((( 263 -(% class="box infomessage" %) 264 -((( 265 265 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 266 -))) 267 -))) 268 268 269 -((( 270 270 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 271 -))) 272 272 273 -((( 274 274 Format: AF MM NN LL XX XX XX XX YY 275 -))) 276 276 277 -((( 278 278 Where: 279 -))) 280 280 281 -((( 282 282 MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 283 -))) 284 284 285 -((( 286 286 NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 287 -))) 288 288 289 -((( 290 290 LL: The length of AT+COMMAND or AT+DATACUT command 291 -))) 292 292 293 -((( 294 294 XX XX XX XX: AT+COMMAND or AT+DATACUT command 295 -))) 296 296 297 -((( 298 298 YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN 299 -))) 300 300 301 -((( 302 302 will execute an uplink after got this command. 303 -))) 304 304 305 -((( 306 306 Example: 307 -))) 308 308 309 -((( 310 310 AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 311 -))) 312 312 313 -[[image:image -20220527093430-16.png]]205 +[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]] 314 314 315 315 DOWNLINK 316 316 209 +[[~[~[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]] 317 317 318 -[[image:image-20220527093508-17.png]] 319 - 320 320 DOWNLINK 321 321 213 +[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]] 322 322 323 -[[image:image-20220527093530-18.png]] 324 - 325 325 DOWNLINK 326 326 217 +[[~[~[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]] 327 327 328 -[[image:image-20220527093607-19.png]] 329 - 330 330 DOWNLINK 331 331 221 +[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]] 332 332 333 -[[image:image-20220527093628-20.png]] 334 - 335 335 DOWNLINK 336 336 337 337 338 338 === 1.3.4 How to configure and output commands for RS485 to USB === 339 339 340 -((( 341 341 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. 342 -))) 343 343 344 -((( 345 345 First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter. 346 -))) 347 347 348 -((( 349 349 Open the serial port debugging, set the send and receive to HEX. 350 -))) 351 351 352 -((( 353 353 Baud rate: 9600 354 -))) 355 355 356 -((( 357 357 check digit: Even 358 -))) 359 359 360 -[[image:image -20220527093708-21.png]]238 +[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]] 361 361 362 362 USB 363 363 242 +[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]] 364 364 365 -[[image:image-20220527093747-22.png]] 366 - 367 367 USB 368 368 369 - 370 -((( 371 371 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. 372 -))) 373 373 374 -((( 375 -**Example:** input:01 03 00 31 00 02 95 c4 376 -))) 248 +Example:input:01 03 00 31 00 02 95 c4 377 377 378 -((( 379 - output:01 03 04 00 00 00 42 7A 02 380 -))) 250 +{{{ output:01 03 04 00 00 00 42 7A 02 251 +}}} 381 381 382 -[[image:image -20220527093821-23.png]]253 +[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]] 383 383 384 384 USB 385 385 386 - 387 387 === 1.3.5 How to configure multiple devices and modify device addresses === 388 388 389 389 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. 390 390 391 -((( 392 -((( 393 393 Set the device address according to the parameters in the appendix of the MODBUS communication protocol. 394 -))) 395 -))) 396 396 397 -[[image:image -20220527093849-24.png]]263 +[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]] 398 398 265 +Example:These two meters are examples of setting parameters and device addresses. 399 399 400 - **Example**:Thesetwors arexamples of settingparametersand deviceaddresses.267 +[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]] 401 401 402 -[[image:image -20220527093950-25.png]]269 +[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]] 403 403 404 -[[image:image-20220527094028-26.png]] 405 - 406 -((( 407 -((( 408 408 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. 409 -))) 410 -))) 411 411 412 -((( 413 -((( 414 414 We can use AT+CFGDEV to set the device address. 415 -))) 416 -))) 417 417 418 -((( 419 -((( 420 420 We modify the device address 01 of the first energy meter to 02. 421 -))) 422 -))) 423 423 424 -[[image:image -20220527094100-27.png]]277 +[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]] 425 425 426 -(% class="box infomessage" %) 427 -((( 428 -**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 429 -))) 279 +AT+CFGDEV:01 10 00 61 00 01 02 00 02,1 430 430 431 431 * 01:device adaress 432 432 ... ... @@ -448,26 +448,27 @@ 448 448 449 449 Its default device address is 01, and the following are the parameters for configuring two energy meters. 450 450 451 -[[image:image -20220527094150-28.png]]301 +[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]] 452 452 303 +[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]] 453 453 454 -[[image:image-20220527094224-29.png]] 455 - 456 456 PAYLOAD:01 08 DF 43 62 457 457 458 458 * 08 DF is the valid value of the meter with device address 02. 459 459 * 43 62 is the valid value of the meter with device address 01. 460 460 310 + 461 461 == 1.4 Example 4: Circuit Breaker Remote Open Close == 462 462 463 463 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: 464 464 465 -[[image:image -20220527094330-30.png]]315 +[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]] 466 466 467 467 Connection 468 468 469 469 * [[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 470 470 321 + 471 471 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 472 472 473 473 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: ... ... @@ -476,6 +476,7 @@ 476 476 477 477 * [[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 478 478 330 + 479 479 == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 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 CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below: ... ... @@ -482,9 +482,10 @@ 482 482 483 483 * [[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 484 484 337 + 485 485 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 486 486 487 -[[image:image -20220527094556-31.png]]340 +[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]] 488 488 489 489 Network Structure 490 490
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