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... ... @@ -1,36 +1,19 @@ 1 -(% class="wikigeneratedid" %) 2 -* 3 -** Table of** **Contents: 1 += 1. Introduction = 4 4 5 -{{toc/}} 6 - 7 - 8 - 9 - 10 - 11 - 12 -= **1. Introduction** = 13 - 14 - 15 15 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 16 16 5 +== 1.1 Example 1: Connect to Leak relay and VFD == 17 17 18 -== **1.1 Example 1: Connect to Leak relay and VFD** == 19 - 20 - 21 21 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: 22 22 23 -[[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"]] 24 24 25 25 Connection 26 26 13 +[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %) 27 27 28 - 29 -[[image:image-20220527091942-2.png]](% style="display:none" %) 30 - 31 31 Connection 32 32 33 - 34 34 Related documents: 35 35 36 36 * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure ... ... @@ -37,33 +37,27 @@ 37 37 * [[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. 38 38 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 39 39 40 -== **1.2 Example 2: Connect to Pulse Counter**==23 +== 1.2 Example 2: Connect to Pulse Counter == 41 41 42 - 43 43 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: 44 44 27 +[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]] 45 45 46 -[[image:image-20220527092058-3.png]] 47 - 48 48 Connection 49 49 31 +[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]] 50 50 51 - 52 -[[image:image-20220527092146-4.png]] 53 - 54 54 Connection 55 55 56 - 57 -* Configure Document: [[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/]] 35 +* [[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 58 58 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 59 59 60 -== **1.3 Example3: Use RS485-LN with energy meters**==38 +== 1.3 Example3: Use RS485-LN with energy meters == 61 61 62 -=== **1.3.1 OverView**===40 +=== 1.3.1 OverView === 63 63 64 - 65 65 ((( 66 - (% style="color:red" %)**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications.43 +**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 67 67 ))) 68 68 69 69 ((( ... ... @@ -70,59 +70,43 @@ 70 70 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 71 71 ))) 72 72 73 -[[image:image -20220527092419-5.png]]50 +[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]] 74 74 75 75 Connection1 76 76 54 +How to connect with Energy Meter: 77 77 78 - 79 -((( 80 -**How to connect with Energy Meter:** 81 - 82 - 83 -))) 84 - 85 -((( 86 86 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. 87 -))) 88 88 89 -((( 90 90 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 91 -))) 92 92 93 -((( 94 94 Power Source VIN to RS485-LN VIN+ 95 -))) 96 96 97 -((( 98 98 Power Source GND to RS485-LN VIN- 99 -))) 100 100 101 -((( 102 102 Once there is power, the RS485-LN will be on. 103 -))) 104 104 105 -[[image:image -20220527092514-6.png]]66 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]] 106 106 107 107 Connection2 108 108 109 109 71 +[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="763" width="573"]] 110 110 111 -[[image:image-20220527092555-7.png]] 112 - 113 113 Connection3 114 114 115 115 116 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands**===76 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 117 117 118 - 119 119 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. 120 120 121 -[[image:image -20220601143257-10.png]]80 +[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]] 122 122 82 +(% class="box infomessage" %) 83 +((( 84 +Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 85 +))) 123 123 124 -(% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 125 - 126 126 * The first byte : slave address code (=001~247) 127 127 * The second byte : read register value function code 128 128 * 3rd and 4th bytes: start address of register to be read ... ... @@ -130,12 +130,12 @@ 130 130 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 131 131 132 132 ((( 133 - 134 - 135 - 136 136 How to parse the reading of the return command of the parameter: 95 +))) 137 137 138 -(% style="color:blue" %)**Example:**(%%) RETURN1:01 03 02 08 FD 7E 05 97 +(% class="box infomessage" %) 98 +((( 99 +Example:RETURN1:01 03 02 08 FD 7E 05 139 139 ))) 140 140 141 141 * The first byte ARD: slave address code (=001~254) ... ... @@ -145,137 +145,109 @@ 145 145 * The 6th and 7th bytes: CRC16 checksum 146 146 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 147 147 148 -(% class="wikigeneratedid" %) 149 -((( 150 - 109 +=== 1.3.3 How to configure RS485-LN and parse output commands === 151 151 152 - 153 - 154 -))) 155 - 156 -=== **1.3.3 How to configure RS485-LN and parse output commands** === 157 - 158 - 159 159 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 160 160 113 +==== 1.3.3.1 via AT COMMAND: ==== 161 161 162 - ====**1.3.3.1via ATOMMAND**====115 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 163 163 164 - 165 -First, we can use (% style="color:blue" %)**AT+CFGDEV**(%%) to get the return value, and we can also judge whether the input parameters are correct. 166 - 167 167 ((( 168 168 If the configured parameters and commands are incorrect, the return value is not obtained. 169 169 ))) 170 170 171 -[[image:image -20220601143201-9.png]]121 +[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]] 172 172 173 173 AT COMMAND 174 174 175 - 176 176 (% class="box infomessage" %) 177 177 ((( 178 - **AT+DATACUTx**:This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c127 +AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 179 179 ))) 180 180 181 -a: 130 +a: length for the return of AT+COMMAND 182 182 183 -b: ;2: grab valid value by bytes section, max 3 sections.132 +b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections. 184 184 185 -c: 134 +c: define the position for valid value. 186 186 187 -[[image:image -20220601143115-8.png]]136 +[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]] 188 188 189 189 AT COMMAND 190 190 191 - 192 - 193 193 PAYLOAD is available after the valid value is intercepted. 194 194 195 195 196 -[[image:image -20220601143046-7.png]]143 +[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]] 197 197 198 198 AT COMMAND 199 199 200 - 201 - 202 202 You can get configured PAYLOAD on TTN. 203 203 204 -[[image:image-20220601143519-1.png]] 205 205 150 +[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]] 151 + 206 206 ((( 207 207 AT COMMAND 208 208 ))) 209 209 210 210 ((( 211 - 157 +**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 212 212 ))) 213 213 214 214 ((( 215 -(% style="color:blue" %)**Example**: 216 - 217 -CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 161 +RETURN1:01 03 02 00 02 39 85 00 00(return data) 218 218 ))) 219 219 220 220 ((( 221 - RETURN1:01030200 02 39 850000(return data)165 +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. 222 222 ))) 223 223 224 224 ((( 225 -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. 226 - 227 - 169 +CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1 228 228 ))) 229 229 230 230 ((( 231 - CMD2:Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2=01 03 00000001,1173 +RETURN2:01 03 02 08 DC BE 1D(return data) 232 232 ))) 233 233 234 234 ((( 235 - RETURN2:01030208 DCBE1D(return data)177 +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. 236 236 ))) 237 237 238 238 ((( 239 -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. 240 - 241 - 181 +CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 242 242 ))) 243 243 244 244 ((( 245 - CMD3:Read total active energy data with MODBUS command. address:x0031AT+COMMAND3=0103003100 02,1185 +RETURN3:01 03 04 00 00 00 44 FA 00(return data) 246 246 ))) 247 247 248 248 ((( 249 - RETURN3:01030400 00 00 44FA00(return data)189 +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. 250 250 ))) 251 251 252 252 ((( 253 - AT+DATACUT3:9,1,4+5+6+7Takethereturnvalue00 00 00 44as the valid value of reading total active energy data and used to splice payload.193 +Payload:01 00 02 39 85 08 DC 00 00 00 44 254 254 ))) 255 255 256 -((( 257 -Payload: 01 00 02 39 85 08 DC 00 00 00 44 258 -))) 196 +[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]] 259 259 260 -[[image:image-20220601142936-6.png]] 261 - 262 262 AT COMMAND 263 263 200 +01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 264 264 265 -(% 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.** 266 266 203 +[[~[~[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]] 267 267 268 - 269 -[[image:image-20220601143642-2.png]] 270 - 271 271 AT COMMAND 272 272 273 273 274 -==== **1.3.3.2 via LoRaWAN DOWNLINK**====208 +==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 275 275 210 +[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]] 276 276 277 -[[image:image-20220527093358-15.png]] 278 - 279 279 ((( 280 280 DOWNLINK 281 281 ))) ... ... @@ -285,15 +285,12 @@ 285 285 ))) 286 286 287 287 ((( 288 - (% style="color:#4f81bd" %)**Type Code 0xAF**221 +Type Code 0xAF 289 289 ))) 290 290 291 291 ((( 292 -(% class="box infomessage" %) 293 -((( 294 294 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 295 295 ))) 296 -))) 297 297 298 298 ((( 299 299 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. ... ... @@ -332,139 +332,91 @@ 332 332 ))) 333 333 334 334 ((( 335 - 336 - 337 -(% style="color:#4f81bd" %)**Example:** 265 +Example: 338 338 ))) 339 339 340 340 ((( 341 - **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1269 +AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 342 342 ))) 343 343 344 -[[image:image -20220601144149-6.png]]272 +[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]] 345 345 346 346 DOWNLINK 347 347 348 348 277 +[[~[~[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]] 349 349 350 -[[image:image-20220601143803-3.png]] 351 - 352 352 DOWNLINK 353 353 354 354 282 +[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]] 355 355 356 -[[image:image-20220601144053-5.png]] 357 - 358 358 DOWNLINK 359 359 360 360 287 +[[~[~[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]] 361 361 362 -[[image:image-20220601143921-4.png]] 363 - 364 364 DOWNLINK 365 365 291 +[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]] 366 366 367 - 368 -[[image:image-20220601142805-5.png]] 369 - 370 370 DOWNLINK 371 371 372 372 373 -=== **1.3.4 How to configure and output commands for RS485 to USB**===296 +=== 1.3.4 How to configure and output commands for RS485 to USB === 374 374 375 -((( 376 376 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. 377 -))) 378 378 379 -((( 380 380 First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter. 381 -))) 382 382 383 -((( 384 384 Open the serial port debugging, set the send and receive to HEX. 385 -))) 386 386 387 -((( 388 388 Baud rate: 9600 389 -))) 390 390 391 -((( 392 392 check digit: Even 393 -))) 394 394 395 -[[image:image -20220527093708-21.png]]308 +[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]] 396 396 397 397 USB 398 398 312 +[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]] 399 399 400 - 401 -[[image:image-20220527093747-22.png]] 402 - 403 403 USB 404 404 405 - 406 - 407 -((( 408 408 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. 409 -))) 410 410 411 -((( 412 -(% style="color:#4f81bd" %)**Example:** (%%)input:01 03 00 31 00 02 95 c4 413 -))) 318 +Example:input:01 03 00 31 00 02 95 c4 414 414 415 -((( 416 - output:01 03 04 00 00 00 42 7A 02 417 -))) 320 +{{{ output:01 03 04 00 00 00 42 7A 02 321 +}}} 418 418 419 -[[image:image -20220527093821-23.png]]323 +[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]] 420 420 421 421 USB 422 422 327 +=== 1.3.5 How to configure multiple devices and modify device addresses === 423 423 424 -=== **1.3.5 How to configure multiple devices and modify device addresses** === 425 - 426 426 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. 427 427 428 -((( 429 -((( 430 430 Set the device address according to the parameters in the appendix of the MODBUS communication protocol. 431 -))) 432 -))) 433 433 434 -[[image:image -20220601142044-1.png]]333 +[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]] 435 435 335 +Example:These two meters are examples of setting parameters and device addresses. 436 436 437 - **Example**:Thesetwors arexamples of settingparametersand deviceaddresses.337 +[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]] 438 438 439 -[[image:image -20220527093950-25.png]]339 +[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]] 440 440 441 - 442 -[[image:image-20220527094028-26.png]] 443 - 444 -((( 445 -((( 446 446 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. 447 -))) 448 -))) 449 449 450 -((( 451 -((( 452 452 We can use AT+CFGDEV to set the device address. 453 -))) 454 -))) 455 455 456 -((( 457 -((( 458 458 We modify the device address 01 of the first energy meter to 02. 459 -))) 460 -))) 461 461 462 -[[image:image -20220601142354-2.png]]347 +[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]] 463 463 464 -(% class="box infomessage" %) 465 -((( 466 -**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 467 -))) 349 +AT+CFGDEV:01 10 00 61 00 01 02 00 02,1 468 468 469 469 * 01:device adaress 470 470 ... ... @@ -486,13 +486,12 @@ 486 486 487 487 Its default device address is 01, and the following are the parameters for configuring two energy meters. 488 488 489 -[[image:image -20220601142452-3.png]]371 +[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]] 490 490 373 +[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]] 491 491 492 - [[image:image-20220601142607-4.png]]375 +PAYLOAD:01 08 DF 43 62 493 493 494 -**PAYLOAD:01 08 DF 43 62** 495 - 496 496 * 08 DF is the valid value of the meter with device address 02. 497 497 * 43 62 is the valid value of the meter with device address 01. 498 498 ... ... @@ -500,7 +500,7 @@ 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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. The structure is like below: 502 502 503 -[[image:image -20220527094330-30.png]]384 +[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]] 504 504 505 505 Connection 506 506 ... ... @@ -522,7 +522,7 @@ 522 522 523 523 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 524 524 525 -[[image:image -20220527094556-31.png]]406 +[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]] 526 526 527 527 Network Structure 528 528
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