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on 2022/06/01 14:44
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3 3  
4 4  {{toc/}}
5 5  
6 += 1. Introduction =
6 6  
7 -
8 -
9 -
10 -
11 -= **1. Introduction** =
12 -
13 13  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
14 14  
10 +== 1.1 Example 1: Connect to Leak relay and VFD ==
15 15  
16 -== **1.1 Example 1: Connect to Leak relay and VFD** ==
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  
20 20  [[image:image-20220527091852-1.png]]
... ... @@ -34,10 +34,8 @@
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  
31 +== 1.2 Example 2: Connect to Pulse Counter ==
37 37  
38 -
39 -== **1.2 Example 2: Connect to Pulse Counter** ==
40 -
41 41  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:
42 42  
43 43  [[image:image-20220527092058-3.png]]
... ... @@ -45,20 +45,18 @@
45 45  Connection
46 46  
47 47  
48 -
49 49  [[image:image-20220527092146-4.png]]
50 50  
51 51  Connection
52 52  
53 -
54 54  * [[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
55 55  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
56 56  
57 57  == ==
58 58  
59 -== **1.3 Example3: Use RS485-LN with energy meters** ==
49 +== 1.3 Example3: Use RS485-LN with energy meters ==
60 60  
61 -=== **1.3.1 OverView** ===
51 +=== 1.3.1 OverView ===
62 62  
63 63  (((
64 64  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
... ... @@ -73,7 +73,6 @@
73 73  Connection1
74 74  
75 75  
76 -
77 77  (((
78 78  How to connect with Energy Meter：
79 79  )))
... ... @@ -103,17 +103,16 @@
103 103  Connection2
104 104  
105 105  
106 -
107 107  [[image:image-20220527092555-7.png]]
108 108  
109 109  Connection3
110 110  
111 111  
112 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
100 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
113 113  
114 114  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.
115 115  
116 -[[image:image-20220601143257-10.png]]
104 +[[image:image-20220527092629-8.png]]
117 117  
118 118  
119 119  (% class="box infomessage" %)
... ... @@ -148,12 +148,12 @@
148 148  
149 149  )))
150 150  
151 -=== **1.3.3 How to configure RS485-LN and parse output commands** ===
139 +=== 1.3.3 How to configure RS485-LN and parse output commands ===
152 152  
153 153  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
154 154  
155 155  
156 -==== **1.3.3.1 via AT COMMAND:** ====
144 +==== 1.3.3.1 via AT COMMAND: ====
157 157  
158 158  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
159 159  
... ... @@ -161,7 +161,7 @@
161 161  If the configured parameters and commands are incorrect, the return value is not obtained.
162 162  )))
163 163  
164 -[[image:image-20220601143201-9.png]]
152 +[[image:image-20220527092748-9.png]]
165 165  
166 166  AT COMMAND
167 167  
... ... @@ -171,30 +171,28 @@
171 171   AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
172 172  )))
173 173  
174 -a:  length for the return of AT+COMMAND
162 +a: length for the return of AT+COMMAND
175 175  
176 -b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
164 +b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
177 177  
178 -c:  define the position for valid value.
166 +c: define the position for valid value.
179 179  
180 -[[image:image-20220601143115-8.png]]
168 +[[image:image-20220527092936-10.png]]
181 181  
182 182  AT COMMAND
183 183  
184 184  
185 -
186 186  PAYLOAD is available after the valid value is intercepted.
187 187  
188 188  
189 -[[image:image-20220601143046-7.png]]
176 +[[image:image-20220527093059-11.png]]
190 190  
191 191  AT COMMAND
192 192  
193 193  
194 -
195 195  You can get configured PAYLOAD on TTN.
196 196  
197 -[[image:image-20220601143519-1.png]]
183 +[[image:image-20220527093133-12.png]]
198 198  
199 199  (((
200 200  AT COMMAND
... ... @@ -205,9 +205,7 @@
205 205  )))
206 206  
207 207  (((
208 -(% style="color:#4f81bd" %)**Example**:
209 -
210 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
194 +**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
211 211  )))
212 212  
213 213  (((
... ... @@ -216,8 +216,6 @@
216 216  
217 217  (((
218 218  AT+DATACUT1:9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
219 -
220 -
221 221  )))
222 222  
223 223  (((
... ... @@ -230,8 +230,6 @@
230 230  
231 231  (((
232 232  AT+DATACUT2:7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
233 -
234 -
235 235  )))
236 236  
237 237  (((
... ... @@ -250,7 +250,7 @@
250 250  Payload:01 00 02 39 85 08 DC 00 00 00 44
251 251  )))
252 252  
253 -[[image:image-20220601142936-6.png]]
233 +[[image:image-20220527093204-13.png]]
254 254  
255 255  AT COMMAND
256 256  
... ... @@ -257,14 +257,12 @@
257 257  
258 258  (% 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.**
259 259  
240 +[[image:image-20220527093251-14.png]]
260 260  
261 -
262 -[[image:image-20220601143642-2.png]]
263 -
264 264  AT COMMAND
265 265  
266 266  
267 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
245 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
268 268  
269 269  [[image:image-20220527093358-15.png]]
270 270  
... ... @@ -277,7 +277,7 @@
277 277  )))
278 278  
279 279  (((
280 -(% style="color:#4f81bd" %)**Type Code 0xAF**
258 +**Type Code 0xAF**
281 281  )))
282 282  
283 283  (((
... ... @@ -324,45 +324,39 @@
324 324  )))
325 325  
326 326  (((
327 -
328 -
329 -(% style="color:#4f81bd" %)**Example:**
305 +Example:
330 330  )))
331 331  
332 332  (((
333 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
309 +AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
334 334  )))
335 335  
336 -[[image:image-20220601144149-6.png]]
312 +[[image:image-20220527093430-16.png]]
337 337  
338 338  DOWNLINK
339 339  
340 340  
317 +[[image:image-20220527093508-17.png]]
341 341  
342 -[[image:image-20220601143803-3.png]]
343 -
344 344  DOWNLINK
345 345  
346 346  
322 +[[image:image-20220527093530-18.png]]
347 347  
348 -[[image:image-20220601144053-5.png]]
349 -
350 350  DOWNLINK
351 351  
352 352  
327 +[[image:image-20220527093607-19.png]]
353 353  
354 -[[image:image-20220601143921-4.png]]
355 -
356 356  DOWNLINK
357 357  
358 358  
332 +[[image:image-20220527093628-20.png]]
359 359  
360 -[[image:image-20220601142805-5.png]]
361 -
362 362  DOWNLINK
363 363  
364 364  
365 -=== **1.3.4 How to configure and output commands for RS485 to USB** ===
337 +=== 1.3.4 How to configure and output commands for RS485 to USB ===
366 366  
367 367  (((
368 368  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.
... ... @@ -389,19 +389,17 @@
389 389  USB
390 390  
391 391  
392 -
393 393  [[image:image-20220527093747-22.png]]
394 394  
395 395  USB
396 396  
397 397  
398 -
399 399  (((
400 400  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.
401 401  )))
402 402  
403 403  (((
404 -(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
374 +**Example:**  input：01 03 00 31 00 02 95 c4
405 405  )))
406 406  
407 407  (((
... ... @@ -413,7 +413,7 @@
413 413  USB
414 414  
415 415  
416 -=== **1.3.5 How to configure multiple devices and modify device addresses** ===
386 +=== 1.3.5 How to configure multiple devices and modify device addresses ===
417 417  
418 418  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.
419 419  
... ... @@ -423,16 +423,15 @@
423 423  )))
424 424  )))
425 425  
426 -[[image:image-20220601142044-1.png]]
396 +[[image:image-20220527093849-24.png]]
427 427  
428 428  
429 429  **Example**:These two meters are examples of setting parameters and device addresses.
430 430  
431 -[[image:image-20220527093950-25.png]]
401 +[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
432 432  
403 +[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
433 433  
434 -[[image:image-20220527094028-26.png]]
435 -
436 436  (((
437 437  (((
438 438  First of all, since the default device address of the energy meter is 01, the configuration of two energy meters will conflict, so we first connect an energy meter and configure the device address.
... ... @@ -451,12 +451,9 @@
451 451  )))
452 452  )))
453 453  
454 -[[image:image-20220601142354-2.png]]
423 +[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
455 455  
456 -(% class="box infomessage" %)
457 -(((
458 -**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
459 -)))
425 +AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
460 460  
461 461  * 01:device adaress
462 462  
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478 478  
479 479  Its default device address is 01, and the following are the parameters for configuring two energy meters.
480 480  
481 -[[image:image-20220601142452-3.png]]
447 +[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
482 482  
449 +[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
483 483  
484 -[[image:image-20220601142607-4.png]]
451 +PAYLOAD:01 08 DF 43 62
485 485  
486 -**PAYLOAD:01 08 DF 43 62**
487 -
488 488  * 08 DF is the valid value of the meter with device address 02.
489 489  * 43 62 is the valid value of the meter with device address 01.
490 490  
491 -
492 -
493 493  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
494 494  
495 495  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:
496 496  
497 -[[image:image-20220527094330-30.png]]
460 +[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
498 498  
499 499  Connection
500 500  
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508 508  
509 509  * [[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]] : Configure Document for RS485-LN
510 510  
511 -
512 512  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
513 513  
514 514  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:
... ... @@ -515,10 +515,9 @@
515 515  
516 516  * [[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]] : Configure Document For RS485-LN
517 517  
518 -
519 519  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
520 520  
521 -[[image:image-20220527094556-31.png]]
482 +[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
522 522  
523 523  Network Structure
524 524  
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