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... ... @@ -7,79 +7,75 @@ 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 -* 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);"]]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);"]] 37 37 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 38 38 39 39 39 +== **1.2 Example 2: Connect to Pulse Counter** == 40 40 41 -== 1.2 Example 2: Connect to Pulse Counter == 42 42 43 - 44 44 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: 45 45 46 46 47 -[[image:image-20220527092058-3.png ||height="552" width="905"]]45 +[[image:image-20220527092058-3.png]] 48 48 49 - **Connection**47 +Connection 50 50 51 51 52 52 53 -[[image:image-20220527092146-4.png ||height="507" width="906"]]51 +[[image:image-20220527092146-4.png]] 54 54 55 - **Connection**53 +Connection 56 56 57 57 58 58 (% style="color:blue" %)**Related documents:** 59 59 60 -* 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"]]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/]] 61 61 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 62 62 63 63 62 +== **1.3 Example3: Use RS485-LN with energy meters** == 64 64 65 -== 1.3 Example 3: Use RS485-LN with energy meters == 66 66 67 -=== 1.3.1 OverView === 65 +=== **1.3.1 OverView** === 68 68 69 69 70 70 ((( 71 -(% style="color:red" %)**Note**: **The specifications of each energy meter are different, please refer to your own energy meter specifications.**69 +(% style="color:red" %)**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 72 72 ))) 73 73 74 74 ((( 75 75 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 76 - 77 - 78 78 ))) 79 79 80 80 [[image:image-20220527092419-5.png]] 81 81 82 - **Connection1**78 +Connection1 83 83 84 84 85 85 ... ... @@ -107,24 +107,22 @@ 107 107 108 108 ((( 109 109 Once there is power, the RS485-LN will be on. 110 - 111 - 112 112 ))) 113 113 114 114 [[image:image-20220527092514-6.png]] 115 115 116 - **Connection2**110 +Connection2 117 117 118 118 119 - 120 120 [[image:image-20220527092555-7.png]] 121 121 122 - **Connection3**115 +Connection3 123 123 124 124 125 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 126 126 119 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 127 127 121 + 128 128 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. 129 129 130 130 [[image:image-20220601143257-10.png]] ... ... @@ -158,34 +158,34 @@ 158 158 ((( 159 159 160 160 155 + 161 161 162 162 ))) 163 163 164 -=== 1.3.3 How to configure RS485-LN and parse output commands === 159 +=== **1.3.3 How to configure RS485-LN and parse output commands** === 165 165 166 166 167 167 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 168 168 169 169 170 -==== 1.3.3.1 via AT COMMAND ==== 171 171 166 +==== **1.3.3.1 via AT COMMAND** ==== 172 172 168 + 173 173 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. 174 174 175 175 ((( 176 176 If the configured parameters and commands are incorrect, the return value is not obtained. 177 - 178 - 179 179 ))) 180 180 181 181 [[image:image-20220601143201-9.png]] 182 182 183 - **AT COMMAND**177 +AT COMMAND 184 184 185 185 186 186 (% class="box infomessage" %) 187 187 ((( 188 - (% _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,c182 + **AT+DATACUTx **: This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 189 189 ))) 190 190 191 191 a: length for the return of AT+COMMAND ... ... @@ -196,15 +196,16 @@ 196 196 197 197 [[image:image-20220601143115-8.png]] 198 198 199 - **AT COMMAND**193 +AT COMMAND 200 200 201 201 202 202 203 203 PAYLOAD is available after the valid value is intercepted. 204 204 199 + 205 205 [[image:image-20220601143046-7.png]] 206 206 207 - **AT COMMAND**202 +AT COMMAND 208 208 209 209 210 210 ... ... @@ -213,7 +213,7 @@ 213 213 [[image:image-20220601143519-1.png]] 214 214 215 215 ((( 216 - **AT COMMAND**211 +AT COMMAND 217 217 ))) 218 218 219 219 ((( ... ... @@ -223,7 +223,6 @@ 223 223 ((( 224 224 (% style="color:blue" %)**Example**: 225 225 226 - 227 227 (% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1 228 228 ))) 229 229 ... ... @@ -265,8 +265,6 @@ 265 265 266 266 ((( 267 267 Payload: 01 00 02 39 85 08 DC 00 00 00 44 268 - 269 - 270 270 ))) 271 271 272 272 [[image:image-20220601142936-6.png]] ... ... @@ -274,10 +274,9 @@ 274 274 AT COMMAND 275 275 276 276 269 +(% 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.** 277 277 278 -(% 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.** 279 279 280 - 281 281 [[image:image-20220601143642-2.png]] 282 282 283 283 AT COMMAND ... ... @@ -284,13 +284,13 @@ 284 284 285 285 286 286 287 -==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 278 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 288 288 289 289 290 290 [[image:image-20220527093358-15.png]] 291 291 292 292 ((( 293 - **DOWNLINK**284 +DOWNLINK 294 294 ))) 295 295 296 296 ((( ... ... @@ -298,7 +298,7 @@ 298 298 ))) 299 299 300 300 ((( 301 -(% style="color:b lue" %)**Type Code 0xAF**292 +(% style="color:#4f81bd" %)**Type Code 0xAF** 302 302 ))) 303 303 304 304 ((( ... ... @@ -310,8 +310,6 @@ 310 310 311 311 ((( 312 312 (% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.** 313 - 314 - 315 315 ))) 316 316 317 317 ((( ... ... @@ -358,36 +358,36 @@ 358 358 359 359 [[image:image-20220601144149-6.png]] 360 360 361 - **DOWNLINK**350 +DOWNLINK 362 362 363 363 364 364 365 365 [[image:image-20220601143803-3.png]] 366 366 367 - **DOWNLINK**356 +DOWNLINK 368 368 369 369 370 370 371 371 [[image:image-20220601144053-5.png]] 372 372 373 - **DOWNLINK**362 +DOWNLINK 374 374 375 375 376 376 377 377 [[image:image-20220601143921-4.png]] 378 378 379 - **DOWNLINK**368 +DOWNLINK 380 380 381 381 382 382 383 383 [[image:image-20220601142805-5.png]] 384 384 385 -**DOWNLINK** 374 +DOWNLINK 375 + 386 386 387 387 388 -=== 1.3.4 How to configure and output commands for RS485 to USB === 378 +=== **1.3.4 How to configure and output commands for RS485 to USB** === 389 389 390 - 391 391 ((( 392 392 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. 393 393 ))) ... ... @@ -412,13 +412,13 @@ 412 412 413 413 [[image:image-20220527093708-21.png]] 414 414 415 - **USB**404 +USB 416 416 417 417 418 418 419 419 [[image:image-20220527093747-22.png]] 420 420 421 - **USB**410 +USB 422 422 423 423 424 424 ... ... @@ -440,11 +440,11 @@ 440 440 441 441 [[image:image-20220527093821-23.png]] 442 442 443 - **USB**432 +USB 444 444 445 445 446 446 447 -=== 1.3.5 How to configure multiple devices and modify device addresses === 436 +=== **1.3.5 How to configure multiple devices and modify device addresses** === 448 448 449 449 450 450 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. ... ... @@ -460,7 +460,6 @@ 460 460 461 461 (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses. 462 462 463 - 464 464 [[image:image-20220527093950-25.png]] 465 465 466 466 ... ... @@ -493,9 +493,9 @@ 493 493 **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 494 494 ))) 495 495 496 -* 01: 484 +* 01:device adaress 497 497 498 -* 10: 486 +* 10:function code 499 499 500 500 * 00 61:Register address 501 501 ... ... @@ -524,9 +524,7 @@ 524 524 * 08 DF is the valid value of the meter with device address 02. 525 525 * 43 62 is the valid value of the meter with device address 01. 526 526 527 -(% style="display:none" %) (%%) 528 528 529 -(% style="display:none" %) (%%) 530 530 531 531 == 1.4 Example 4: Circuit Breaker Remote Open Close == 532 532 ... ... @@ -540,7 +540,7 @@ 540 540 Connection 541 541 542 542 543 -* 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"]]529 +* 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/]] 544 544 545 545 546 546 ... ... @@ -549,8 +549,8 @@ 549 549 550 550 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: 551 551 552 -* 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);"]]553 -* 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"]]538 +* 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);"]] 539 +* 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]] 554 554 555 555 556 556 ... ... @@ -559,7 +559,7 @@ 559 559 560 560 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: 561 561 562 -* 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);"]]548 +* 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);"]] 563 563 564 564 565 565