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... ... @@ -1,33 +11,19 @@ 1 -(% class="wikigeneratedid" %) 2 - **Contents:** 3 - 4 -{{toc/}} 5 - 6 - 7 - 8 - 9 - 10 - 11 11 = 1. Introduction = 12 12 13 13 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 14 14 15 - 16 16 == 1.1 Example 1: Connect to Leak relay and VFD == 17 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="297" width="534"]] 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="743" width="528"]](% style="display:none" %) 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 ... ... @@ -34,23 +34,22 @@ 34 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. 35 35 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 36 36 23 + 37 37 == 1.2 Example 2: Connect to Pulse Counter == 38 38 39 39 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: 40 40 41 -[[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"]] 42 42 43 43 Connection 44 44 32 +[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]] 45 45 46 -[[image:image-20220527092146-4.png]] 47 - 48 48 Connection 49 49 50 50 * [[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 51 51 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 52 52 53 -== == 54 54 55 55 == 1.3 Example3: Use RS485-LN with energy meters == 56 56 ... ... @@ -64,42 +64,28 @@ 64 64 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 65 65 ))) 66 66 67 -[[image:image -20220527092419-5.png]]52 +[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="800" width="600"]] 68 68 69 69 Connection1 70 70 71 - 72 -((( 73 73 How to connect with Energy Meter: 74 -))) 75 75 76 -((( 77 77 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. 78 -))) 79 79 80 -((( 81 81 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 82 -))) 83 83 84 -((( 85 85 Power Source VIN to RS485-LN VIN+ 86 -))) 87 87 88 -((( 89 89 Power Source GND to RS485-LN VIN- 90 -))) 91 91 92 -((( 93 93 Once there is power, the RS485-LN will be on. 94 -))) 95 95 96 -[[image:image -20220527092514-6.png]]68 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="450" width="600"]] 97 97 98 98 Connection2 99 99 72 +[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="800" width="600"]] 100 100 101 -[[image:image-20220527092555-7.png]] 102 - 103 103 Connection3 104 104 105 105 ... ... @@ -107,12 +107,11 @@ 107 107 108 108 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. 109 109 110 -[[image:image -20220527092629-8.png]]81 +[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]] 111 111 112 - 113 113 (% class="box infomessage" %) 114 114 ((( 115 - **Example:**AT+COMMAND1=01 03 00 00 00 01 84 0A85 +Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 116 116 ))) 117 117 118 118 * The first byte : slave address code (=001~247) ... ... @@ -121,13 +121,11 @@ 121 121 * 5th and 6th bytes: Number of registers to read 122 122 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 123 123 124 -((( 125 125 How to parse the reading of the return command of the parameter: 126 -))) 127 127 128 128 (% class="box infomessage" %) 129 129 ((( 130 - **Example:**RETURN1:01 03 02 08 FD 7E 0598 +Example:RETURN1:01 03 02 08 FD 7E 05 131 131 ))) 132 132 133 133 * The first byte ARD: slave address code (=001~254) ... ... @@ -137,18 +137,13 @@ 137 137 * The 6th and 7th bytes: CRC16 checksum 138 138 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 139 139 140 -(% class="wikigeneratedid" %) 141 -((( 142 - 143 -))) 144 144 145 -=== **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 === 146 146 147 147 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 148 148 113 +==== 1.3.3.1 via AT COMMAND: ==== 149 149 150 -==== **1.3.3.1 via AT COMMAND:** ==== 151 - 152 152 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 153 153 154 154 ((( ... ... @@ -155,14 +155,13 @@ 155 155 If the configured parameters and commands are incorrect, the return value is not obtained. 156 156 ))) 157 157 158 -[[image:image -20220527092748-9.png]]121 +[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]] 159 159 160 -AT COMMAND 123 +**AT COMMAND** 161 161 162 - 163 163 (% class="box infomessage" %) 164 164 ((( 165 - 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 166 166 ))) 167 167 168 168 a: length for the return of AT+COMMAND ... ... @@ -171,273 +171,166 @@ 171 171 172 172 c: define the position for valid value. 173 173 174 -[[image:image -20220527092936-10.png]]136 +[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]] 175 175 176 176 AT COMMAND 177 177 178 - 179 179 PAYLOAD is available after the valid value is intercepted. 180 180 181 181 182 -[[image:image -20220527093059-11.png]]143 +[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]] 183 183 184 184 AT COMMAND 185 185 186 - 187 187 You can get configured PAYLOAD on TTN. 188 188 189 -[[image:image-20220527093133-12.png]] 190 190 191 -((( 150 +[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]] 151 + 192 192 AT COMMAND 193 -))) 194 194 195 -((( 196 - 197 -))) 154 +**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 198 198 199 -((( 200 -(% style="color:#4f81bd" %)**Example**: 201 - 202 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 203 -))) 204 - 205 -((( 206 206 RETURN1:01 03 02 00 02 39 85 00 00(return data) 207 -))) 208 208 209 -((( 210 210 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. 211 211 212 - 213 -))) 214 - 215 -((( 216 216 CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1 217 -))) 218 218 219 -((( 220 220 RETURN2:01 03 02 08 DC BE 1D(return data) 221 -))) 222 222 223 -((( 224 224 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. 225 225 226 - 227 -))) 228 - 229 -((( 230 230 CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 231 -))) 232 232 233 -((( 234 234 RETURN3:01 03 04 00 00 00 44 FA 00(return data) 235 -))) 236 236 237 -((( 238 238 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. 239 -))) 240 240 241 -((( 242 242 Payload:01 00 02 39 85 08 DC 00 00 00 44 243 -))) 244 244 245 -[[image:image -20220527093204-13.png]]174 +[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]] 246 246 247 247 AT COMMAND 248 248 178 +01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 249 249 250 -(% 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.** 251 251 252 -[[image:image -20220527093251-14.png]]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]] 253 253 254 254 AT COMMAND 255 255 256 256 257 -==== **1.3.3.2 via LoRaWAN DOWNLINK**====186 +==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 258 258 259 -[[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"]] 260 260 261 -((( 262 262 DOWNLINK 263 -))) 264 264 265 -((( 266 - 267 -))) 192 +Type Code 0xAF 268 268 269 -((( 270 -(% style="color:#4f81bd" %)**Type Code 0xAF** 271 -))) 272 - 273 -((( 274 -(% class="box infomessage" %) 275 -((( 276 276 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 277 -))) 278 -))) 279 279 280 -((( 281 281 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 282 -))) 283 283 284 -((( 285 285 Format: AF MM NN LL XX XX XX XX YY 286 -))) 287 287 288 -((( 289 289 Where: 290 -))) 291 291 292 -((( 293 293 MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 294 -))) 295 295 296 -((( 297 297 NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 298 -))) 299 299 300 -((( 301 301 LL: The length of AT+COMMAND or AT+DATACUT command 302 -))) 303 303 304 -((( 305 305 XX XX XX XX: AT+COMMAND or AT+DATACUT command 306 -))) 307 307 308 -((( 309 309 YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN 310 -))) 311 311 312 -((( 313 313 will execute an uplink after got this command. 314 -))) 315 315 316 -((( 317 -(% style="color:#4f81bd" %)**Example:** 318 -))) 214 +Example: 319 319 320 -((( 321 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 322 -))) 216 +AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 323 323 324 -[[image:image -20220527093430-16.png]]218 +[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]] 325 325 326 326 DOWNLINK 327 327 328 328 329 -[[image:image -20220527093508-17.png]]223 +[[~[~[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]] 330 330 331 331 DOWNLINK 332 332 333 333 334 -[[image:image -20220527093530-18.png]]228 +[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]] 335 335 336 336 DOWNLINK 337 337 338 338 339 -[[image:image -20220527093607-19.png]]233 +[[~[~[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]] 340 340 341 341 DOWNLINK 342 342 237 +[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]] 343 343 344 -[[image:image-20220527093628-20.png]] 345 - 346 346 DOWNLINK 347 347 348 348 349 -=== **1.3.4 How to configure and output commands for RS485 to USB**===242 +=== 1.3.4 How to configure and output commands for RS485 to USB === 350 350 351 -((( 352 352 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. 353 -))) 354 354 355 -((( 356 356 First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter. 357 -))) 358 358 359 -((( 360 360 Open the serial port debugging, set the send and receive to HEX. 361 -))) 362 362 363 -((( 364 364 Baud rate: 9600 365 -))) 366 366 367 -((( 368 368 check digit: Even 369 -))) 370 370 371 -[[image:image -20220527093708-21.png]]254 +[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]] 372 372 373 373 USB 374 374 258 +[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]] 375 375 376 -[[image:image-20220527093747-22.png]] 377 - 378 378 USB 379 379 380 - 381 -((( 382 382 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. 383 -))) 384 384 385 -((( 386 -(% style="color:#4f81bd" %)**Example:** (%%)input:01 03 00 31 00 02 95 c4 387 -))) 264 +Example:input:01 03 00 31 00 02 95 c4 388 388 389 -((( 390 - output:01 03 04 00 00 00 42 7A 02 391 -))) 266 +{{{ output:01 03 04 00 00 00 42 7A 02 267 +}}} 392 392 393 -[[image:image -20220527093821-23.png]]269 +[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]] 394 394 395 395 USB 396 396 273 +=== 1.3.5 How to configure multiple devices and modify device addresses === 397 397 398 -=== **1.3.5 How to configure multiple devices and modify device addresses** === 399 - 400 400 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. 401 401 402 -((( 403 -((( 404 404 Set the device address according to the parameters in the appendix of the MODBUS communication protocol. 405 -))) 406 -))) 407 407 408 -[[image:image -20220527093849-24.png]]279 +[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]] 409 409 281 +Example:These two meters are examples of setting parameters and device addresses. 410 410 411 - **Example**:Thesetwors arexamples of settingparametersand deviceaddresses.283 +[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]] 412 412 413 -[[image:image -20220527093950-25.png]]285 +[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]] 414 414 415 -[[image:image-20220527094028-26.png]] 416 - 417 -((( 418 -((( 419 419 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. 420 -))) 421 -))) 422 422 423 -((( 424 -((( 425 425 We can use AT+CFGDEV to set the device address. 426 -))) 427 -))) 428 428 429 -((( 430 -((( 431 431 We modify the device address 01 of the first energy meter to 02. 432 -))) 433 -))) 434 434 435 -[[image:image -20220527094100-27.png]]293 +[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]] 436 436 437 -(% class="box infomessage" %) 438 -((( 439 -**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 440 -))) 295 +AT+CFGDEV:01 10 00 61 00 01 02 00 02,1 441 441 442 442 * 01:device adaress 443 443 ... ... @@ -459,23 +459,21 @@ 459 459 460 460 Its default device address is 01, and the following are the parameters for configuring two energy meters. 461 461 462 -[[image:image -20220527094150-28.png]]317 +[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]] 463 463 319 +[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]] 464 464 465 - [[image:image-20220527094224-29.png]]321 +PAYLOAD:01 08 DF 43 62 466 466 467 -**PAYLOAD:01 08 DF 43 62** 468 - 469 469 * 08 DF is the valid value of the meter with device address 02. 470 470 * 43 62 is the valid value of the meter with device address 01. 471 471 472 472 473 - 474 474 == 1.4 Example 4: Circuit Breaker Remote Open Close == 475 475 476 476 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: 477 477 478 -[[image:image -20220527094330-30.png]]331 +[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]] 479 479 480 480 Connection 481 481 ... ... @@ -482,7 +482,6 @@ 482 482 * [[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 483 483 484 484 485 - 486 486 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 487 487 488 488 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: ... ... @@ -491,6 +491,7 @@ 491 491 492 492 * [[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 493 493 346 + 494 494 == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 495 495 496 496 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: ... ... @@ -497,9 +497,10 @@ 497 497 498 498 * [[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 499 499 353 + 500 500 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 501 501 502 -[[image:image -20220527094556-31.png]]356 +[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]] 503 503 504 504 Network Structure 505 505
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