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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="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 ... ... @@ -35,89 +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 77 How to connect with Energy Meter: 78 -))) 79 79 80 -((( 81 81 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. 82 -))) 83 83 84 -((( 85 85 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 86 -))) 87 87 88 -((( 89 89 Power Source VIN to RS485-LN VIN+ 90 -))) 91 91 92 -((( 93 93 Power Source GND to RS485-LN VIN- 94 -))) 95 95 96 -((( 97 97 Once there is power, the RS485-LN will be on. 98 -))) 99 99 100 -[[image:image -20220527092514-6.png]]64 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="450" width="600"]] 101 101 102 102 Connection2 103 103 68 +[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="800" width="600"]] 104 104 105 -[[image:image-20220527092555-7.png]] 106 - 107 107 Connection3 108 108 109 109 110 -=== **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 === 111 111 112 -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, 113 113 114 - [[image:image-20220527092629-8.png]]77 +please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter. 115 115 79 +[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]] 116 116 117 -(% class="box infomessage" %) 118 -((( 119 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A 120 -))) 81 +Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 121 121 122 122 * The first byte : slave address code (=001~247) 123 123 * The second byte : read register value function code ... ... @@ -125,14 +125,9 @@ 125 125 * 5th and 6th bytes: Number of registers to read 126 126 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 127 127 128 -((( 129 129 How to parse the reading of the return command of the parameter: 130 -))) 131 131 132 -(% class="box infomessage" %) 133 -((( 134 -**Example:** RETURN1:01 03 02 08 FD 7E 05 135 -))) 91 +Example:RETURN1:01 03 02 08 FD 7E 05 136 136 137 137 * The first byte ARD: slave address code (=001~254) 138 138 * The second byte: Return to read function code ... ... @@ -141,34 +141,23 @@ 141 141 * The 6th and 7th bytes: CRC16 checksum 142 142 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 143 143 144 -(% class="wikigeneratedid" %) 145 -((( 146 - 147 -))) 148 148 149 -=== **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 === 150 150 151 151 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 152 152 105 +==== via AT COMMAND: ==== 153 153 154 - ====**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. 155 155 156 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 157 - 158 -((( 159 159 If the configured parameters and commands are incorrect, the return value is not obtained. 160 -))) 161 161 162 -[[image:image -20220527092748-9.png]]111 +[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]] 163 163 164 164 AT COMMAND 165 165 115 +AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 166 166 167 -(% class="box infomessage" %) 168 -((( 169 - AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 170 -))) 171 - 172 172 a: length for the return of AT+COMMAND 173 173 174 174 b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections. ... ... @@ -175,273 +175,159 @@ 175 175 176 176 c: define the position for valid value. 177 177 178 -[[image:image -20220527092936-10.png]]123 +[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]] 179 179 180 180 AT COMMAND 181 181 182 - 183 183 PAYLOAD is available after the valid value is intercepted. 184 184 129 +[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]] 185 185 186 -[[image:image-20220527093059-11.png]] 187 - 188 188 AT COMMAND 189 189 190 - 191 191 You can get configured PAYLOAD on TTN. 192 192 193 -[[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"]] 194 194 195 -((( 196 196 AT COMMAND 197 -))) 198 198 199 -((( 200 - 201 -))) 139 +Example: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 202 202 203 -((( 204 -(% style="color:#4f81bd" %)**Example**: 205 - 206 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 207 -))) 208 - 209 -((( 210 210 RETURN1:01 03 02 00 02 39 85 00 00(return data) 211 -))) 212 212 213 -((( 214 214 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. 215 215 216 - 217 -))) 218 - 219 -((( 220 220 CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1 221 -))) 222 222 223 -((( 224 224 RETURN2:01 03 02 08 DC BE 1D(return data) 225 -))) 226 226 227 -((( 228 228 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. 229 229 230 - 231 -))) 232 - 233 -((( 234 234 CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 235 -))) 236 236 237 -((( 238 238 RETURN3:01 03 04 00 00 00 44 FA 00(return data) 239 -))) 240 240 241 -((( 242 242 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. 243 -))) 244 244 245 -((( 246 246 Payload:01 00 02 39 85 08 DC 00 00 00 44 247 -))) 248 248 249 -[[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"]] 250 250 251 251 AT COMMAND 252 252 163 +01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 253 253 254 - (% 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]] 255 255 256 -[[image:image-20220527093251-14.png]] 257 - 258 258 AT COMMAND 259 259 169 +==== 1.3.3.1 via LoRaWAN DOWNLINK ==== 260 260 261 - ==== **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"]] 262 262 263 -[[image:image-20220527093358-15.png]] 264 - 265 -((( 266 266 DOWNLINK 267 -))) 268 268 269 -((( 270 - 271 -))) 175 +Type Code 0xAF 272 272 273 -((( 274 -(% style="color:#4f81bd" %)**Type Code 0xAF** 275 -))) 276 - 277 -((( 278 -(% class="box infomessage" %) 279 -((( 280 280 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 281 -))) 282 -))) 283 283 284 -((( 285 285 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 286 -))) 287 287 288 -((( 289 289 Format: AF MM NN LL XX XX XX XX YY 290 -))) 291 291 292 -((( 293 293 Where: 294 -))) 295 295 296 -((( 297 297 MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 298 -))) 299 299 300 -((( 301 301 NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 302 -))) 303 303 304 -((( 305 305 LL: The length of AT+COMMAND or AT+DATACUT command 306 -))) 307 307 308 -((( 309 309 XX XX XX XX: AT+COMMAND or AT+DATACUT command 310 -))) 311 311 312 -((( 313 313 YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN 314 -))) 315 315 316 -((( 317 317 will execute an uplink after got this command. 318 -))) 319 319 320 -((( 321 -(% style="color:#4f81bd" %)**Example:** 322 -))) 197 +Example: 323 323 324 -((( 325 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 326 -))) 199 +AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 327 327 328 -[[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"]] 329 329 330 330 DOWNLINK 331 331 205 +[[~[~[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]] 332 332 333 -[[image:image-20220527093508-17.png]] 334 - 335 335 DOWNLINK 336 336 209 +[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]] 337 337 338 -[[image:image-20220527093530-18.png]] 339 - 340 340 DOWNLINK 341 341 213 +[[~[~[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]] 342 342 343 -[[image:image-20220527093607-19.png]] 344 - 345 345 DOWNLINK 346 346 217 +[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]] 347 347 348 -[[image:image-20220527093628-20.png]] 349 - 350 350 DOWNLINK 351 351 352 352 353 -=== **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 === 354 354 355 -((( 356 356 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. 357 -))) 358 358 359 -((( 360 360 First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter. 361 -))) 362 362 363 -((( 364 364 Open the serial port debugging, set the send and receive to HEX. 365 -))) 366 366 367 -((( 368 368 Baud rate: 9600 369 -))) 370 370 371 -((( 372 372 check digit: Even 373 -))) 374 374 375 -[[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"]] 376 376 377 377 USB 378 378 238 +[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]] 379 379 380 -[[image:image-20220527093747-22.png]] 381 - 382 382 USB 383 383 384 - 385 -((( 386 386 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. 387 -))) 388 388 389 -((( 390 -(% style="color:#4f81bd" %)**Example:** (%%)input:01 03 00 31 00 02 95 c4 391 -))) 244 +Example:input:01 03 00 31 00 02 95 c4 392 392 393 -((( 394 - output:01 03 04 00 00 00 42 7A 02 395 -))) 246 +{{{ output:01 03 04 00 00 00 42 7A 02 247 +}}} 396 396 397 -[[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"]] 398 398 399 399 USB 400 400 253 +=== 1.3.5 How to configure multiple devices and modify device addresses === 401 401 402 -=== **1.3.5 How to configure multiple devices and modify device addresses** === 403 - 404 404 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. 405 405 406 -((( 407 -((( 408 408 Set the device address according to the parameters in the appendix of the MODBUS communication protocol. 409 -))) 410 -))) 411 411 412 -[[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"]] 413 413 261 +Example:These two meters are examples of setting parameters and device addresses. 414 414 415 - **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"]] 416 416 417 -[[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"]] 418 418 419 -[[image:image-20220527094028-26.png]] 420 - 421 -((( 422 -((( 423 423 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. 424 -))) 425 -))) 426 426 427 -((( 428 -((( 429 429 We can use AT+CFGDEV to set the device address. 430 -))) 431 -))) 432 432 433 -((( 434 -((( 435 435 We modify the device address 01 of the first energy meter to 02. 436 -))) 437 -))) 438 438 439 -[[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"]] 440 440 441 -(% class="box infomessage" %) 442 -((( 443 -**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 444 -))) 275 +AT+CFGDEV:01 10 00 61 00 01 02 00 02,1 445 445 446 446 * 01:device adaress 447 447 ... ... @@ -463,13 +463,12 @@ 463 463 464 464 Its default device address is 01, and the following are the parameters for configuring two energy meters. 465 465 466 -[[image:image -20220527094150-28.png]]297 +[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]] 467 467 299 +[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]] 468 468 469 - [[image:image-20220527094224-29.png]]301 +PAYLOAD:01 08 DF 43 62 470 470 471 -**PAYLOAD:01 08 DF 43 62** 472 - 473 473 * 08 DF is the valid value of the meter with device address 02. 474 474 * 43 62 is the valid value of the meter with device address 01. 475 475 ... ... @@ -478,7 +478,7 @@ 478 478 479 479 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: 480 480 481 -[[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"]] 482 482 483 483 Connection 484 484 ... ... @@ -493,6 +493,7 @@ 493 493 494 494 * [[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 495 495 326 + 496 496 == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 497 497 498 498 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: ... ... @@ -499,9 +499,10 @@ 499 499 500 500 * [[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 501 501 333 + 502 502 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 503 503 504 -[[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"]] 505 505 506 506 Network Structure 507 507
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