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... ... @@ -7,68 +7,69 @@ 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 16 17 -== **1.1 Example 1: Connect to Leak relay and VFD** == 18 18 19 - 20 20 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: 21 21 22 22 23 -[[image:image-20220527091852-1.png]] 22 +[[image:image-20220527091852-1.png||height="547" width="994"]] 24 24 25 -Connection 24 +**Connection** 26 26 27 27 28 28 29 29 [[image:image-20220527091942-2.png]](% style="display:none" %) 30 30 31 -Connection 30 +**Connection** 32 32 33 33 34 34 (% style="color:blue" %)**Related documents:** 35 35 36 -* 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);"]] 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 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 + 38 38 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 39 39 40 40 41 41 42 -== **1.2 Example 2: Connect to Pulse Counter**==43 +== 1.2 Example 2: Connect to Pulse Counter == 43 43 44 44 45 45 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: 46 46 47 47 48 -[[image:image-20220527092058-3.png]] 49 +[[image:image-20220527092058-3.png||height="552" width="905"]] 49 49 50 -Connection 51 +**Connection** 51 51 52 52 53 53 54 -[[image:image-20220527092146-4.png]] 55 +[[image:image-20220527092146-4.png||height="507" width="906"]] 55 55 56 -Connection 57 +**Connection** 57 57 58 58 59 59 (% style="color:blue" %)**Related documents:** 60 60 61 61 * 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 + 62 62 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 63 63 64 64 65 65 66 -== **1.3 Example3: Use RS485-LN with energy meters**==68 +== 1.3 Example 3: Use RS485-LN with energy meters == 67 67 70 +=== 1.3.1 OverView === 68 68 69 -=== **1.3.1 OverView** === 70 70 71 - 72 72 ((( 73 73 (% style="color:red" %)**Note**:**The specifications of each energy meter are different, please refer to your own energy meter specifications.** 74 74 ))) ... ... @@ -81,7 +81,7 @@ 81 81 82 82 [[image:image-20220527092419-5.png]] 83 83 84 -Connection1 85 +**Connection1** 85 85 86 86 87 87 ... ... @@ -100,11 +100,11 @@ 100 100 ))) 101 101 102 102 ((( 103 -Power Source VIN to RS485-LN VIN+ 104 +Power Source **VIN** to RS485-LN **VIN+** 104 104 ))) 105 105 106 106 ((( 107 -Power Source GND to RS485-LN VIN- 108 +Power Source **GND** to RS485-LN **VIN-** 108 108 ))) 109 109 110 110 ((( ... ... @@ -115,19 +115,18 @@ 115 115 116 116 [[image:image-20220527092514-6.png]] 117 117 118 -Connection2 119 +**Connection2** 119 119 120 120 121 121 122 122 [[image:image-20220527092555-7.png]] 123 123 124 -Connection3 125 +**Connection3** 125 125 126 126 128 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 127 127 128 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 129 129 130 - 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. 132 132 133 133 [[image:image-20220601143257-10.png]] ... ... @@ -136,9 +136,13 @@ 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 + 139 139 * The second byte : read register value function code 141 + 140 140 * 3rd and 4th bytes: start address of register to be read 143 + 141 141 * 5th and 6th bytes: Number of registers to read 145 + 142 142 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 143 143 144 144 ((( ... ... @@ -151,27 +151,25 @@ 151 151 ))) 152 152 153 153 * The first byte ARD: slave address code (=001~254) 158 + 154 154 * The second byte: Return to read function code 160 + 155 155 * 3rd byte: total number of bytes 162 + 156 156 * 4th~5th bytes: register data 164 + 157 157 * The 6th and 7th bytes: CRC16 checksum 166 + 158 158 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 159 159 160 -(% class="wikigeneratedid" %) 161 -((( 162 - 163 163 164 164 165 - 166 -))) 171 +=== 1.3.3 How to configure RS485-LN and parse output commands === 167 167 168 -=== **1.3.3 How to configure RS485-LN and parse output commands** === 169 169 170 - 171 171 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 172 172 173 173 174 - 175 175 ==== **1.3.3.1 via AT COMMAND** ==== 176 176 177 177 ... ... @@ -185,7 +185,7 @@ 185 185 186 186 [[image:image-20220601143201-9.png]] 187 187 188 -AT COMMAND 190 +**AT COMMAND** 189 189 190 190 191 191 (% class="box infomessage" %) ... ... @@ -201,16 +201,15 @@ 201 201 202 202 [[image:image-20220601143115-8.png]] 203 203 204 -AT COMMAND 206 +**AT COMMAND** 205 205 206 206 207 207 208 208 PAYLOAD is available after the valid value is intercepted. 209 209 210 - 211 211 [[image:image-20220601143046-7.png]] 212 212 213 -AT COMMAND 214 +**AT COMMAND** 214 214 215 215 216 216 ... ... @@ -219,19 +219,16 @@ 219 219 [[image:image-20220601143519-1.png]] 220 220 221 221 ((( 222 -AT COMMAND 223 +**AT COMMAND** 223 223 ))) 224 224 225 225 ((( 226 226 227 - 228 - 229 229 ))) 230 230 231 231 ((( 232 232 (% style="color:blue" %)**Example**: 233 233 234 - 235 235 (% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 236 236 ))) 237 237 ... ... @@ -273,8 +273,6 @@ 273 273 274 274 ((( 275 275 Payload: 01 00 02 39 85 08 DC 00 00 00 44 276 - 277 - 278 278 ))) 279 279 280 280 [[image:image-20220601142936-6.png]] ... ... @@ -298,13 +298,11 @@ 298 298 [[image:image-20220527093358-15.png]] 299 299 300 300 ((( 301 -DOWNLINK 297 +**DOWNLINK** 302 302 ))) 303 303 304 -((( 305 - 306 -))) 307 307 301 + 308 308 ((( 309 309 (% style="color:blue" %)**Type Code 0xAF** 310 310 ))) ... ... @@ -318,8 +318,6 @@ 318 318 319 319 ((( 320 320 (% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.** 321 - 322 - 323 323 ))) 324 324 325 325 ((( ... ... @@ -354,9 +354,8 @@ 354 354 will execute an uplink after got this command. 355 355 ))) 356 356 357 -((( 358 - 359 359 350 +((( 360 360 (% style="color:blue" %)**Example:** 361 361 ))) 362 362 ... ... @@ -366,35 +366,34 @@ 366 366 367 367 [[image:image-20220601144149-6.png]] 368 368 369 -DOWNLINK 360 +**DOWNLINK** 370 370 371 371 372 372 373 373 [[image:image-20220601143803-3.png]] 374 374 375 -DOWNLINK 366 +**DOWNLINK** 376 376 377 377 378 378 379 379 [[image:image-20220601144053-5.png]] 380 380 381 -DOWNLINK 372 +**DOWNLINK** 382 382 383 383 384 384 385 385 [[image:image-20220601143921-4.png]] 386 386 387 -DOWNLINK 378 +**DOWNLINK** 388 388 389 389 390 390 391 391 [[image:image-20220601142805-5.png]] 392 392 393 -DOWNLINK 394 - 384 +**DOWNLINK** 395 395 396 396 397 -=== **1.3.4 How to configure and output commands for RS485 to USB**===387 +=== 1.3.4 How to configure and output commands for RS485 to USB === 398 398 399 399 400 400 ((( ... ... @@ -421,20 +421,18 @@ 421 421 422 422 [[image:image-20220527093708-21.png]] 423 423 424 -USB 414 +**USB** 425 425 426 426 427 427 428 428 [[image:image-20220527093747-22.png]] 429 429 430 -USB 420 +**USB** 431 431 432 432 433 433 434 434 ((( 435 435 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. 436 - 437 - 438 438 ))) 439 439 440 440 ((( ... ... @@ -449,11 +449,11 @@ 449 449 450 450 [[image:image-20220527093821-23.png]] 451 451 452 -USB 440 +**USB** 453 453 454 454 455 455 456 -=== **1.3.5 How to configure multiple devices and modify device addresses**===444 +=== 1.3.5 How to configure multiple devices and modify device addresses === 457 457 458 458 459 459 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. ... ... @@ -502,9 +502,9 @@ 502 502 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 503 503 ))) 504 504 505 -* 01:device adaress 493 +* 01: device adaress 506 506 507 -* 10:function code 495 +* 10: function code 508 508 509 509 * 00 61:Register address 510 510 ... ... @@ -533,9 +533,9 @@ 533 533 * 08 DF is the valid value of the meter with device address 02. 534 534 * 43 62 is the valid value of the meter with device address 01. 535 535 524 +(% style="display:none" %) (%%) 536 536 537 537 538 - 539 539 == 1.4 Example 4: Circuit Breaker Remote Open Close == 540 540 541 541 ... ... @@ -545,11 +545,13 @@ 545 545 546 546 [[image:image-20220527094330-30.png]] 547 547 548 -Connection 536 +**Connection** 549 549 550 550 551 551 * 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"]] 552 552 541 + 542 + 553 553 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 554 554 555 555 ... ... @@ -556,8 +556,11 @@ 556 556 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: 557 557 558 558 * 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);"]] 549 + 559 559 * 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"]] 560 560 552 + 553 + 561 561 == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN == 562 562 563 563 ... ... @@ -565,6 +565,8 @@ 565 565 566 566 * 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);"]] 567 567 561 + 562 + 568 568 == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL == 569 569 570 570