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1 1  (% class="wikigeneratedid" %)
2 - ** Table of** **Contents:**
2 + **Contents:**
3 3  
4 4  {{toc/}}
5 5  
6 += 1. Introduction =
6 6  
7 -
8 -
9 -
10 -
11 -= **1. Introduction** =
12 -
13 -
14 14  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
15 15  
16 16  
17 -== **1.1 Example 1: Connect to Leak relay and VFD** ==
11 +== 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  [[image:image-20220527091852-1.png]]
... ... @@ -36,36 +36,28 @@
36 36  * [[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.
37 37  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
38 38  
32 +== 1.2 Example 2: Connect to Pulse Counter ==
39 39  
40 -
41 -
42 -== **1.2 Example 2: Connect to Pulse Counter** ==
43 -
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 -
48 48  [[image:image-20220527092058-3.png]]
49 49  
50 50  Connection
51 51  
52 52  
53 -
54 54  [[image:image-20220527092146-4.png]]
55 55  
56 56  Connection
57 57  
58 -
59 -* 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/]]
45 +* [[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
60 60  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
61 61  
48 +== ==
62 62  
50 +== 1.3 Example3: Use RS485-LN with energy meters ==
63 63  
52 +=== 1.3.1 OverView ===
64 64  
65 -== **1.3 Example3: Use RS485-LN with energy meters** ==
66 -
67 -=== **1.3.1 OverView** ===
68 -
69 69  (((
70 70  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
71 71  )))
... ... @@ -79,7 +79,6 @@
79 79  Connection1
80 80  
81 81  
82 -
83 83  (((
84 84  How to connect with Energy Meter：
85 85  )))
... ... @@ -109,17 +109,16 @@
109 109  Connection2
110 110  
111 111  
112 -
113 113  [[image:image-20220527092555-7.png]]
114 114  
115 115  Connection3
116 116  
117 117  
118 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
101 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
119 119  
120 120  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.
121 121  
122 -[[image:image-20220601143257-10.png]]
105 +[[image:image-20220527092629-8.png]]
123 123  
124 124  
125 125  (% class="box infomessage" %)
... ... @@ -154,12 +154,12 @@
154 154  
155 155  )))
156 156  
157 -=== **1.3.3 How to configure RS485-LN and parse output commands** ===
140 +=== 1.3.3 How to configure RS485-LN and parse output commands ===
158 158  
159 159  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
160 160  
161 161  
162 -==== **1.3.3.1 via AT COMMAND:** ====
145 +==== 1.3.3.1 via AT COMMAND: ====
163 163  
164 164  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
165 165  
... ... @@ -167,7 +167,7 @@
167 167  If the configured parameters and commands are incorrect, the return value is not obtained.
168 168  )))
169 169  
170 -[[image:image-20220601143201-9.png]]
153 +[[image:image-20220527092748-9.png]]
171 171  
172 172  AT COMMAND
173 173  
... ... @@ -177,30 +177,28 @@
177 177   AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
178 178  )))
179 179  
180 -a:  length for the return of AT+COMMAND
163 +a: length for the return of AT+COMMAND
181 181  
182 -b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
165 +b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
183 183  
184 -c:  define the position for valid value.
167 +c: define the position for valid value.
185 185  
186 -[[image:image-20220601143115-8.png]]
169 +[[image:image-20220527092936-10.png]]
187 187  
188 188  AT COMMAND
189 189  
190 190  
191 -
192 192  PAYLOAD is available after the valid value is intercepted.
193 193  
194 194  
195 -[[image:image-20220601143046-7.png]]
177 +[[image:image-20220527093059-11.png]]
196 196  
197 197  AT COMMAND
198 198  
199 199  
200 -
201 201  You can get configured PAYLOAD on TTN.
202 202  
203 -[[image:image-20220601143519-1.png]]
184 +[[image:image-20220527093133-12.png]]
204 204  
205 205  (((
206 206  AT COMMAND
... ... @@ -256,7 +256,7 @@
256 256  Payload:01 00 02 39 85 08 DC 00 00 00 44
257 257  )))
258 258  
259 -[[image:image-20220601142936-6.png]]
240 +[[image:image-20220527093204-13.png]]
260 260  
261 261  AT COMMAND
262 262  
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263 263  
264 264  (% 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.**
265 265  
247 +[[image:image-20220527093251-14.png]]
266 266  
267 -
268 -[[image:image-20220601143642-2.png]]
269 -
270 270  AT COMMAND
271 271  
272 272  
273 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
252 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
274 274  
275 275  [[image:image-20220527093358-15.png]]
276 276  
... ... @@ -330,8 +330,6 @@
330 330  )))
331 331  
332 332  (((
333 -
334 -
335 335  (% style="color:#4f81bd" %)**Example:**
336 336  )))
337 337  
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339 339  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
340 340  )))
341 341  
342 -[[image:image-20220601144149-6.png]]
319 +[[image:image-20220527093430-16.png]]
343 343  
344 344  DOWNLINK
345 345  
346 346  
324 +[[image:image-20220527093508-17.png]]
347 347  
348 -[[image:image-20220601143803-3.png]]
349 -
350 350  DOWNLINK
351 351  
352 352  
329 +[[image:image-20220527093530-18.png]]
353 353  
354 -[[image:image-20220601144053-5.png]]
355 -
356 356  DOWNLINK
357 357  
358 358  
334 +[[image:image-20220527093607-19.png]]
359 359  
360 -[[image:image-20220601143921-4.png]]
361 -
362 362  DOWNLINK
363 363  
364 364  
339 +[[image:image-20220527093628-20.png]]
365 365  
366 -[[image:image-20220601142805-5.png]]
367 -
368 368  DOWNLINK
369 369  
370 370  
371 -=== **1.3.4 How to configure and output commands for RS485 to USB** ===
344 +=== 1.3.4 How to configure and output commands for RS485 to USB ===
372 372  
373 373  (((
374 374  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.
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395 395  USB
396 396  
397 397  
398 -
399 399  [[image:image-20220527093747-22.png]]
400 400  
401 401  USB
402 402  
403 403  
404 -
405 405  (((
406 406  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.
407 407  )))
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419 419  USB
420 420  
421 421  
422 -=== **1.3.5 How to configure multiple devices and modify device addresses** ===
393 +=== 1.3.5 How to configure multiple devices and modify device addresses ===
423 423  
424 424  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.
425 425  
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429 429  )))
430 430  )))
431 431  
432 -[[image:image-20220601142044-1.png]]
403 +[[image:image-20220527093849-24.png]]
433 433  
434 434  
435 435  **Example**:These two meters are examples of setting parameters and device addresses.
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436 436  
437 437  [[image:image-20220527093950-25.png]]
438 438  
439 -
440 440  [[image:image-20220527094028-26.png]]
441 441  
442 442  (((
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457 457  )))
458 458  )))
459 459  
460 -[[image:image-20220601142354-2.png]]
430 +[[image:image-20220527094100-27.png]]
461 461  
462 462  (% class="box infomessage" %)
463 463  (((
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484 484  
485 485  Its default device address is 01, and the following are the parameters for configuring two energy meters.
486 486  
487 -[[image:image-20220601142452-3.png]]
457 +[[image:image-20220527094150-28.png]]
488 488  
489 489  
490 -[[image:image-20220601142607-4.png]]
460 +[[image:image-20220527094224-29.png]]
491 491  
492 492  **PAYLOAD:01 08 DF 43 62**
493 493  
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