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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 ... ... @@ -143,308 +143,182 @@ 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 -))) 117 +a: length for the return of AT+COMMAND 173 173 174 - a:ngthforthe returnofAT+COMMAND119 +b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections. 175 175 176 - b:1: grab validvalueby byte,max 6 bytes;2: grabvalid valueby bytes section, max 3 sections.121 +c: define the position for valid value. 177 177 178 - c: definetheposition forvalid value.123 +[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]] 179 179 180 -[[image:image-20220527092936-10.png]] 181 - 182 182 AT COMMAND 183 183 184 - 185 - 186 186 PAYLOAD is available after the valid value is intercepted. 187 187 129 +[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]] 188 188 189 -[[image:image-20220527093059-11.png]] 190 - 191 191 AT COMMAND 192 192 193 - 194 194 You can get configured PAYLOAD on TTN. 195 195 196 -[[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"]] 197 197 198 -((( 199 199 AT COMMAND 200 -))) 201 201 202 -((( 203 - 204 -))) 139 +Example: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 205 205 206 -((( 207 -(% style="color:#4f81bd" %)**Example**: 208 - 209 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 210 -))) 211 - 212 -((( 213 213 RETURN1:01 03 02 00 02 39 85 00 00(return data) 214 -))) 215 215 216 -((( 217 217 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. 218 218 219 - 220 -))) 221 - 222 -((( 223 223 CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1 224 -))) 225 225 226 -((( 227 227 RETURN2:01 03 02 08 DC BE 1D(return data) 228 -))) 229 229 230 -((( 231 231 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. 232 232 233 - 234 -))) 235 - 236 -((( 237 237 CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 238 -))) 239 239 240 -((( 241 241 RETURN3:01 03 04 00 00 00 44 FA 00(return data) 242 -))) 243 243 244 -((( 245 245 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. 246 -))) 247 247 248 -((( 249 249 Payload:01 00 02 39 85 08 DC 00 00 00 44 250 -))) 251 251 252 -[[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"]] 253 253 254 254 AT COMMAND 255 255 163 +01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 256 256 257 - (% 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]] 258 258 259 -[[image:image-20220527093251-14.png]] 260 - 261 261 AT COMMAND 262 262 169 +==== 1.3.3.1 via LoRaWAN DOWNLINK ==== 263 263 264 - ==== **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"]] 265 265 266 -[[image:image-20220527093358-15.png]] 267 - 268 -((( 269 269 DOWNLINK 270 -))) 271 271 272 -((( 273 - 274 -))) 175 +Type Code 0xAF 275 275 276 -((( 277 -(% style="color:#4f81bd" %)**Type Code 0xAF** 278 -))) 279 - 280 -((( 281 -(% class="box infomessage" %) 282 -((( 283 283 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 284 -))) 285 -))) 286 286 287 -((( 288 288 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 289 -))) 290 290 291 -((( 292 292 Format: AF MM NN LL XX XX XX XX YY 293 -))) 294 294 295 -((( 296 296 Where: 297 -))) 298 298 299 -((( 300 300 MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 301 -))) 302 302 303 -((( 304 304 NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 305 -))) 306 306 307 -((( 308 308 LL: The length of AT+COMMAND or AT+DATACUT command 309 -))) 310 310 311 -((( 312 312 XX XX XX XX: AT+COMMAND or AT+DATACUT command 313 -))) 314 314 315 -((( 316 316 YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN 317 -))) 318 318 319 -((( 320 320 will execute an uplink after got this command. 321 -))) 322 322 323 -((( 324 -(% style="color:#4f81bd" %)**Example:** 325 -))) 197 +Example: 326 326 327 -((( 328 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 329 -))) 199 +AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 330 330 331 -[[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"]] 332 332 333 333 DOWNLINK 334 334 205 +[[~[~[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]] 335 335 336 -[[image:image-20220527093508-17.png]] 337 - 338 338 DOWNLINK 339 339 209 +[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]] 340 340 341 -[[image:image-20220527093530-18.png]] 342 - 343 343 DOWNLINK 344 344 213 +[[~[~[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]] 345 345 346 -[[image:image-20220527093607-19.png]] 347 - 348 348 DOWNLINK 349 349 217 +[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]] 350 350 351 -[[image:image-20220527093628-20.png]] 352 - 353 353 DOWNLINK 354 354 355 355 356 -=== **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 === 357 357 358 -((( 359 359 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. 360 -))) 361 361 362 -((( 363 363 First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter. 364 -))) 365 365 366 -((( 367 367 Open the serial port debugging, set the send and receive to HEX. 368 -))) 369 369 370 -((( 371 371 Baud rate: 9600 372 -))) 373 373 374 -((( 375 375 check digit: Even 376 -))) 377 377 378 -[[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"]] 379 379 380 380 USB 381 381 238 +[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]] 382 382 383 -[[image:image-20220527093747-22.png]] 384 - 385 385 USB 386 386 387 - 388 -((( 389 389 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. 390 -))) 391 391 392 -((( 393 -(% style="color:#4f81bd" %)**Example:** (%%)input:01 03 00 31 00 02 95 c4 394 -))) 244 +Example:input:01 03 00 31 00 02 95 c4 395 395 396 -((( 397 - output:01 03 04 00 00 00 42 7A 02 398 -))) 246 +{{{ output:01 03 04 00 00 00 42 7A 02 247 +}}} 399 399 400 -[[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"]] 401 401 402 402 USB 403 403 253 +=== 1.3.5 How to configure multiple devices and modify device addresses === 404 404 405 -=== **1.3.5 How to configure multiple devices and modify device addresses** === 406 - 407 407 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. 408 408 409 -((( 410 -((( 411 411 Set the device address according to the parameters in the appendix of the MODBUS communication protocol. 412 -))) 413 -))) 414 414 415 -[[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"]] 416 416 261 +Example:These two meters are examples of setting parameters and device addresses. 417 417 418 - **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"]] 419 419 420 -[[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"]] 421 421 422 -[[image:image-20220527094028-26.png]] 423 - 424 -((( 425 -((( 426 426 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. 427 -))) 428 -))) 429 429 430 -((( 431 -((( 432 432 We can use AT+CFGDEV to set the device address. 433 -))) 434 -))) 435 435 436 -((( 437 -((( 438 438 We modify the device address 01 of the first energy meter to 02. 439 -))) 440 -))) 441 441 442 -[[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"]] 443 443 444 -(% class="box infomessage" %) 445 -((( 446 -**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 447 -))) 275 +AT+CFGDEV:01 10 00 61 00 01 02 00 02,1 448 448 449 449 * 01:device adaress 450 450 ... ... @@ -466,13 +466,12 @@ 466 466 467 467 Its default device address is 01, and the following are the parameters for configuring two energy meters. 468 468 469 -[[image:image -20220527094150-28.png]]297 +[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]] 470 470 299 +[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]] 471 471 472 - [[image:image-20220527094224-29.png]]301 +PAYLOAD:01 08 DF 43 62 473 473 474 -**PAYLOAD:01 08 DF 43 62** 475 - 476 476 * 08 DF is the valid value of the meter with device address 02. 477 477 * 43 62 is the valid value of the meter with device address 01. 478 478 ... ... @@ -481,7 +481,7 @@ 481 481 482 482 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: 483 483 484 -[[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"]] 485 485 486 486 Connection 487 487 ... ... @@ -496,6 +496,7 @@ 496 496 497 497 * [[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 498 498 326 + 499 499 == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 500 500 501 501 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: ... ... @@ -502,9 +502,10 @@ 502 502 503 503 * [[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 504 504 333 + 505 505 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 506 506 507 -[[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"]] 508 508 509 509 Network Structure 510 510
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