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... ... @@ -7,82 +7,76 @@ 7 7 8 8 9 9 10 -= 1. Introduction = 10 += **1. Introduction** = 11 11 12 12 13 13 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 14 14 15 15 16 -== 1.1 Example 1: Connect to Leak relay and VFD == 16 +== **1.1 Example 1: Connect to Leak relay and VFD** == 17 17 18 18 19 19 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: 20 20 21 +[[image:image-20220527091852-1.png]] 21 21 22 - [[image:image-20220527091852-1.png||height="547" width="994"]]23 +Connection 23 23 24 -**Connection** 25 25 26 26 27 - 28 28 [[image:image-20220527091942-2.png]](% style="display:none" %) 29 29 30 - **Connection**29 +Connection 31 31 32 32 33 33 (% style="color:blue" %)**Related documents:** 34 34 35 -* System Structure: [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]] 36 - 37 -* Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code: [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]] 38 - 34 +* System Structure: [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||style="background-color: rgb(255, 255, 255);"]] 35 +* Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code: [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||style="background-color: rgb(255, 255, 255);"]] 39 39 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 40 40 41 41 39 +== **1.2 Example 2: Connect to Pulse Counter** == 42 42 43 -== 1.2 Example 2: Connect to Pulse Counter == 44 44 45 - 46 46 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: 47 47 48 48 49 -[[image:image-20220527092058-3.png ||height="552" width="905"]]45 +[[image:image-20220527092058-3.png]] 50 50 51 - **Connection**47 +Connection 52 52 53 53 54 54 55 -[[image:image-20220527092146-4.png ||height="507" width="906"]]51 +[[image:image-20220527092146-4.png]] 56 56 57 - **Connection**53 +Connection 58 58 59 59 60 60 (% style="color:blue" %)**Related documents:** 61 61 62 -* 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/||_mstmutation="1"]] 63 - 58 +* 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/]] 64 64 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 65 65 66 66 67 67 68 -== 1.3 Example 63 +== **1.3 Example3: Use RS485-LN with energy meters** == 69 69 70 -=== 1.3.1 OverView === 71 71 66 +=== **1.3.1 OverView** === 72 72 68 + 73 73 ((( 74 -(% style="color:red" %)**Note**: **The specifications of each energy meter are different, please refer to your own energy meter specifications.**70 +(% style="color:red" %)**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 75 75 ))) 76 76 77 77 ((( 78 78 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 79 - 80 - 81 81 ))) 82 82 83 83 [[image:image-20220527092419-5.png]] 84 84 85 - **Connection1**79 +Connection1 86 86 87 87 88 88 ... ... @@ -101,31 +101,28 @@ 101 101 ))) 102 102 103 103 ((( 104 -Power Source **VIN**to RS485-LN**VIN+**98 +Power Source VIN to RS485-LN VIN+ 105 105 ))) 106 106 107 107 ((( 108 -Power Source **GND**to RS485-LN**VIN-**102 +Power Source GND to RS485-LN VIN- 109 109 ))) 110 110 111 111 ((( 112 112 Once there is power, the RS485-LN will be on. 113 - 114 - 115 115 ))) 116 116 117 117 [[image:image-20220527092514-6.png]] 118 118 119 - **Connection2**111 +Connection2 120 120 121 121 122 - 123 123 [[image:image-20220527092555-7.png]] 124 124 125 - **Connection3**116 +Connection3 126 126 127 127 128 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 119 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 129 129 130 130 131 131 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. ... ... @@ -136,13 +136,9 @@ 136 136 (% style="color:blue" %)**Example:**(%%) AT+COMMAND1=01 03 00 00 00 01 84 0A 137 137 138 138 * The first byte : slave address code (=001~247) 139 - 140 140 * The second byte : read register value function code 141 - 142 142 * 3rd and 4th bytes: start address of register to be read 143 - 144 144 * 5th and 6th bytes: Number of registers to read 145 - 146 146 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 147 147 148 148 ((( ... ... @@ -155,22 +155,23 @@ 155 155 ))) 156 156 157 157 * The first byte ARD: slave address code (=001~254) 158 - 159 159 * The second byte: Return to read function code 160 - 161 161 * 3rd byte: total number of bytes 162 - 163 163 * 4th~5th bytes: register data 164 - 165 165 * The 6th and 7th bytes: CRC16 checksum 166 - 167 167 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 168 168 151 +(% class="wikigeneratedid" %) 152 +((( 153 + 169 169 170 170 171 -=== 1.3.3 How to configure RS485-LN and parse output commands === 156 + 157 +))) 172 172 159 +=== **1.3.3 How to configure RS485-LN and parse output commands** === 173 173 161 + 174 174 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 175 175 176 176 ... ... @@ -181,18 +181,16 @@ 181 181 182 182 ((( 183 183 If the configured parameters and commands are incorrect, the return value is not obtained. 184 - 185 - 186 186 ))) 187 187 188 188 [[image:image-20220601143201-9.png]] 189 189 190 - **AT COMMAND**176 +AT COMMAND 191 191 192 192 193 193 (% class="box infomessage" %) 194 194 ((( 195 - (% _mstmutation="1" %)**AT+DATACUTx **(%%): This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c181 + **AT+DATACUTx **: This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 196 196 ))) 197 197 198 198 a: length for the return of AT+COMMAND ... ... @@ -203,15 +203,16 @@ 203 203 204 204 [[image:image-20220601143115-8.png]] 205 205 206 - **AT COMMAND**192 +AT COMMAND 207 207 208 208 209 209 210 210 PAYLOAD is available after the valid value is intercepted. 211 211 198 + 212 212 [[image:image-20220601143046-7.png]] 213 213 214 - **AT COMMAND**201 +AT COMMAND 215 215 216 216 217 217 ... ... @@ -220,7 +220,7 @@ 220 220 [[image:image-20220601143519-1.png]] 221 221 222 222 ((( 223 - **AT COMMAND**210 +AT COMMAND 224 224 ))) 225 225 226 226 ((( ... ... @@ -230,7 +230,7 @@ 230 230 ((( 231 231 (% style="color:blue" %)**Example**: 232 232 233 - (% style="color:red" %)**CMD1:**(%%)Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1220 +**CMD1:** Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 234 234 ))) 235 235 236 236 ((( ... ... @@ -244,7 +244,7 @@ 244 244 ))) 245 245 246 246 ((( 247 - (% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1234 +**CMD2: **Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1 248 248 ))) 249 249 250 250 ((( ... ... @@ -258,7 +258,7 @@ 258 258 ))) 259 259 260 260 ((( 261 - (% style="color:red" %)**CMD3:**(%%)Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1248 +**CMD3:** Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 262 262 ))) 263 263 264 264 ((( ... ... @@ -278,16 +278,14 @@ 278 278 AT COMMAND 279 279 280 280 268 +(% 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.** 281 281 282 -(% style="color:blue" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.** 283 283 284 - 285 285 [[image:image-20220601143642-2.png]] 286 286 287 287 AT COMMAND 288 288 289 289 290 - 291 291 ==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 292 292 293 293 ... ... @@ -294,13 +294,15 @@ 294 294 [[image:image-20220527093358-15.png]] 295 295 296 296 ((( 297 - **DOWNLINK**282 +DOWNLINK 298 298 ))) 299 299 285 +((( 286 + 287 +))) 300 300 301 - 302 302 ((( 303 -(% style="color:b lue" %)**Type Code 0xAF**290 +(% style="color:#4f81bd" %)**Type Code 0xAF** 304 304 ))) 305 305 306 306 ((( ... ... @@ -311,7 +311,7 @@ 311 311 ))) 312 312 313 313 ((( 314 -(% style="color:red" %) **Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**301 +(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 315 315 ))) 316 316 317 317 ((( ... ... @@ -346,8 +346,9 @@ 346 346 will execute an uplink after got this command. 347 347 ))) 348 348 349 - 350 350 ((( 337 + 338 + 351 351 (% style="color:blue" %)**Example:** 352 352 ))) 353 353 ... ... @@ -357,36 +357,35 @@ 357 357 358 358 [[image:image-20220601144149-6.png]] 359 359 360 - **DOWNLINK**348 +DOWNLINK 361 361 362 362 363 363 364 364 [[image:image-20220601143803-3.png]] 365 365 366 - **DOWNLINK**354 +DOWNLINK 367 367 368 368 369 369 370 370 [[image:image-20220601144053-5.png]] 371 371 372 - **DOWNLINK**360 +DOWNLINK 373 373 374 374 375 375 376 376 [[image:image-20220601143921-4.png]] 377 377 378 - **DOWNLINK**366 +DOWNLINK 379 379 380 380 381 381 382 382 [[image:image-20220601142805-5.png]] 383 383 384 -**DOWNLINK** 372 +DOWNLINK 373 + 385 385 375 +=== **1.3.4 How to configure and output commands for RS485 to USB** === 386 386 387 -=== 1.3.4 How to configure and output commands for RS485 to USB === 388 - 389 - 390 390 ((( 391 391 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. 392 392 ))) ... ... @@ -411,18 +411,20 @@ 411 411 412 412 [[image:image-20220527093708-21.png]] 413 413 414 - **USB**401 +USB 415 415 416 416 417 417 418 418 [[image:image-20220527093747-22.png]] 419 419 420 - **USB**407 +USB 421 421 422 422 423 423 424 424 ((( 425 425 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. 413 + 414 + 426 426 ))) 427 427 428 428 ((( ... ... @@ -437,13 +437,12 @@ 437 437 438 438 [[image:image-20220527093821-23.png]] 439 439 440 - **USB**429 +USB 441 441 442 442 432 +=== **1.3.5 How to configure multiple devices and modify device addresses** === 443 443 444 -=== 1.3.5 How to configure multiple devices and modify device addresses === 445 445 446 - 447 447 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. 448 448 449 449 ((( ... ... @@ -457,7 +457,6 @@ 457 457 458 458 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 459 459 460 - 461 461 [[image:image-20220527093950-25.png]] 462 462 463 463 ... ... @@ -472,7 +472,7 @@ 472 472 473 473 ((( 474 474 ((( 475 -We can use (% style="color:blue" %)**AT+CFGDEV**(%%)to set the device address.462 +We can use **AT+CFGDEV** to set the device address. 476 476 ))) 477 477 ))) 478 478 ... ... @@ -490,9 +490,9 @@ 490 490 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 491 491 ))) 492 492 493 -* 01: 480 +* 01:device adaress 494 494 495 -* 10: 482 +* 10:function code 496 496 497 497 * 00 61:Register address 498 498 ... ... @@ -516,14 +516,12 @@ 516 516 [[image:image-20220601142607-4.png]] 517 517 518 518 519 - (% style="color:blue" %)**PAYLOAD:506 +**PAYLOAD:01 08 DF 43 62** 520 520 521 521 * 08 DF is the valid value of the meter with device address 02. 522 522 * 43 62 is the valid value of the meter with device address 01. 523 523 524 -(% style="display:none" %) (%%) 525 525 526 - 527 527 == 1.4 Example 4: Circuit Breaker Remote Open Close == 528 528 529 529 ... ... @@ -533,33 +533,29 @@ 533 533 534 534 [[image:image-20220527094330-30.png]] 535 535 536 - **Connection**521 +Connection 537 537 538 538 539 -* Configure Documen: [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/ ||_mstmutation="1"]]524 +* Configure Documen: [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]] 540 540 541 541 542 - 543 543 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 544 544 545 545 546 546 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: 547 547 548 -* Configure Document For RS485-BL: [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Application_Note/&file=Dragino%20RS485BL%20and%20pickdata%20SEM%20Three%20v1.pdf||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]] 532 +* Configure Document For RS485-BL: [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Application_Note/&file=Dragino%20RS485BL%20and%20pickdata%20SEM%20Three%20v1.pdf||style="background-color: rgb(255, 255, 255);"]] 533 +* Configure Document for RS485-LN: [[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]] 549 549 550 -* Configure Document for RS485-LN: [[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||_mstmutation="1"]] 551 551 552 - 553 - 554 554 == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN == 555 555 556 556 557 557 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: 558 558 559 -* Configure Document For RS485-LN: [[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|| _mstmutation="1" style="background-color: rgb(255, 255, 255);"]]541 +* Configure Document For RS485-LN: [[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||style="background-color: rgb(255, 255, 255);"]] 560 560 561 561 562 - 563 563 == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 564 564 565 565