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8 8  
9 9  
10 10  
11 -= 1. Introduction =
11 += **1. Introduction** =
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  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  
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34 34  * [[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.
35 35  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
36 36  
37 -== 1.2 Example 2: Connect to Pulse Counter ==
38 38  
38 +
39 +== **1.2 Example 2: Connect to Pulse Counter** ==
40 +
39 39  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:
40 40  
41 41  [[image:image-20220527092058-3.png]]
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43 43  Connection
44 44  
45 45  
48 +
46 46  [[image:image-20220527092146-4.png]]
47 47  
48 48  Connection
49 49  
53 +
50 50  * [[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
51 51  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
52 52  
53 53  == ==
54 54  
55 -== 1.3 Example3: Use RS485-LN with energy meters ==
59 +== **1.3 Example3: Use RS485-LN with energy meters** ==
56 56  
57 -=== 1.3.1 OverView ===
61 +=== **1.3.1 OverView** ===
58 58  
59 59  (((
60 60  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
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69 69  Connection1
70 70  
71 71  
76 +
72 72  (((
73 73  How to connect with Energy Meter：
74 74  )))
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98 98  Connection2
99 99  
100 100  
106 +
101 101  [[image:image-20220527092555-7.png]]
102 102  
103 103  Connection3
104 104  
105 105  
106 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
112 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
107 107  
108 108  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.
109 109  
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165 165   AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
166 166  )))
167 167  
168 -a: length for the return of AT+COMMAND
174 +a:  length for the return of AT+COMMAND
169 169  
170 -b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
176 +b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
171 171  
172 -c: define the position for valid value.
178 +c:  define the position for valid value.
173 173  
174 174  [[image:image-20220527092936-10.png]]
175 175  
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176 176  AT COMMAND
177 177  
178 178  
185 +
179 179  PAYLOAD is available after the valid value is intercepted.
180 180  
181 181  
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184 184  AT COMMAND
185 185  
186 186  
194 +
187 187  You can get configured PAYLOAD on TTN.
188 188  
189 189  [[image:image-20220527093133-12.png]]
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249 249  
250 250  (% 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.**
251 251  
260 +
261 +
252 252  [[image:image-20220527093251-14.png]]
253 253  
254 254  AT COMMAND
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314 314  )))
315 315  
316 316  (((
327 +
328 +
317 317  (% style="color:#4f81bd" %)**Example:**
318 318  )))
319 319  
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326 326  DOWNLINK
327 327  
328 328  
341 +
329 329  [[image:image-20220527093508-17.png]]
330 330  
331 331  DOWNLINK
332 332  
333 333  
347 +
334 334  [[image:image-20220527093530-18.png]]
335 335  
336 336  DOWNLINK
337 337  
338 338  
353 +
339 339  [[image:image-20220527093607-19.png]]
340 340  
341 341  DOWNLINK
342 342  
343 343  
359 +
344 344  [[image:image-20220527093628-20.png]]
345 345  
346 346  DOWNLINK
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373 373  USB
374 374  
375 375  
392 +
376 376  [[image:image-20220527093747-22.png]]
377 377  
378 378  USB
379 379  
380 380  
398 +
381 381  (((
382 382  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.
383 383  )))
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405 405  )))
406 406  )))
407 407  
408 -[[image:image-20220527093849-24.png]]
426 +[[image:image-20220601142044-1.png]]
409 409  
410 410  
411 411  **Example**:These two meters are examples of setting parameters and device addresses.
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432 432  )))
433 433  )))
434 434  
435 -[[image:image-20220527094100-27.png]]
453 +[[image:image-20220601142354-2.png]]
436 436  
437 437  (% class="box infomessage" %)
438 438  (((
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459 459  
460 460  Its default device address is 01, and the following are the parameters for configuring two energy meters.
461 461  
462 -[[image:image-20220527094150-28.png]]
480 +[[image:image-20220601142452-3.png]]
463 463  
464 464  
465 465  [[image:image-20220527094224-29.png]]
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470 470  * 43 62 is the valid value of the meter with device address 01.
471 471  
472 472  
473 -
474 474  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
475 475  
476 476  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:
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482 482  * [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]] : Configure Documen
483 483  
484 484  
485 -
486 486  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
487 487  
488 488  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:
image-20220601142044-1.png
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