Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 57.3 >
edited by Xiaoling
on 2022/06/01 14:43
To version < 36.1 >
edited by Xiaoling
on 2022/05/27 09:43
>
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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]]
... ... @@ -34,9 +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 -== **1.2 Example 2: Connect to Pulse Counter** ==
39 -
40 40  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:
41 41  
42 42  [[image:image-20220527092058-3.png]]
... ... @@ -44,20 +44,18 @@
44 44  Connection
45 45  
46 46  
47 -
48 48  [[image:image-20220527092146-4.png]]
49 49  
50 50  Connection
51 51  
52 -
53 53  * [[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
54 54  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
55 55  
56 56  == ==
57 57  
58 -== **1.3 Example3: Use RS485-LN with energy meters** ==
49 +== 1.3 Example3: Use RS485-LN with energy meters ==
59 59  
60 -=== **1.3.1 OverView** ===
51 +=== 1.3.1 OverView ===
61 61  
62 62  (((
63 63  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
... ... @@ -72,7 +72,6 @@
72 72  Connection1
73 73  
74 74  
75 -
76 76  (((
77 77  How to connect with Energy Meter：
78 78  )))
... ... @@ -102,17 +102,16 @@
102 102  Connection2
103 103  
104 104  
105 -
106 106  [[image:image-20220527092555-7.png]]
107 107  
108 108  Connection3
109 109  
110 110  
111 -=== **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 ===
112 112  
113 113  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.
114 114  
115 -[[image:image-20220601143257-10.png]]
104 +[[image:image-20220527092629-8.png]]
116 116  
117 117  
118 118  (% class="box infomessage" %)
... ... @@ -147,12 +147,12 @@
147 147  
148 148  )))
149 149  
150 -=== **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 ===
151 151  
152 152  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
153 153  
154 154  
155 -==== **1.3.3.1 via AT COMMAND:** ====
144 +==== 1.3.3.1 via AT COMMAND: ====
156 156  
157 157  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
158 158  
... ... @@ -160,7 +160,7 @@
160 160  If the configured parameters and commands are incorrect, the return value is not obtained.
161 161  )))
162 162  
163 -[[image:image-20220601143201-9.png]]
152 +[[image:image-20220527092748-9.png]]
164 164  
165 165  AT COMMAND
166 166  
... ... @@ -170,30 +170,28 @@
170 170   AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
171 171  )))
172 172  
173 -a:  length for the return of AT+COMMAND
162 +a: length for the return of AT+COMMAND
174 174  
175 -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.
176 176  
177 -c:  define the position for valid value.
166 +c: define the position for valid value.
178 178  
179 -[[image:image-20220601143115-8.png]]
168 +[[image:image-20220527092936-10.png]]
180 180  
181 181  AT COMMAND
182 182  
183 183  
184 -
185 185  PAYLOAD is available after the valid value is intercepted.
186 186  
187 187  
188 -[[image:image-20220601143046-7.png]]
176 +[[image:image-20220527093059-11.png]]
189 189  
190 190  AT COMMAND
191 191  
192 192  
193 -
194 194  You can get configured PAYLOAD on TTN.
195 195  
196 -[[image:image-20220601143519-1.png]]
183 +[[image:image-20220527093133-12.png]]
197 197  
198 198  (((
199 199  AT COMMAND
... ... @@ -204,9 +204,7 @@
204 204  )))
205 205  
206 206  (((
207 -(% style="color:#4f81bd" %)**Example**:
208 -
209 -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
210 210  )))
211 211  
212 212  (((
... ... @@ -215,8 +215,6 @@
215 215  
216 216  (((
217 217  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.
218 -
219 -
220 220  )))
221 221  
222 222  (((
... ... @@ -229,8 +229,6 @@
229 229  
230 230  (((
231 231  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.
232 -
233 -
234 234  )))
235 235  
236 236  (((
... ... @@ -249,7 +249,7 @@
249 249  Payload:01 00 02 39 85 08 DC 00 00 00 44
250 250  )))
251 251  
252 -[[image:image-20220601142936-6.png]]
233 +[[image:image-20220527093204-13.png]]
253 253  
254 254  AT COMMAND
255 255  
... ... @@ -256,14 +256,12 @@
256 256  
257 257  (% 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.**
258 258  
240 +[[image:image-20220527093251-14.png]]
259 259  
260 -
261 -[[image:image-20220601143642-2.png]]
262 -
263 263  AT COMMAND
264 264  
265 265  
266 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
245 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
267 267  
268 268  [[image:image-20220527093358-15.png]]
269 269  
... ... @@ -276,7 +276,7 @@
276 276  )))
277 277  
278 278  (((
279 -(% style="color:#4f81bd" %)**Type Code 0xAF**
258 +**Type Code 0xAF**
280 280  )))
281 281  
282 282  (((
... ... @@ -323,45 +323,39 @@
323 323  )))
324 324  
325 325  (((
326 -
327 -
328 -(% style="color:#4f81bd" %)**Example:**
305 +Example:
329 329  )))
330 330  
331 331  (((
332 -**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
333 333  )))
334 334  
335 -[[image:image-20220601144149-6.png]]
312 +[[image:image-20220527093430-16.png]]
336 336  
337 337  DOWNLINK
338 338  
339 339  
317 +[[image:image-20220527093508-17.png]]
340 340  
341 -[[image:image-20220601143803-3.png]]
342 -
343 343  DOWNLINK
344 344  
345 345  
322 +[[image:image-20220527093530-18.png]]
346 346  
347 -[[image:image-20220601144053-5.png]]
348 -
349 349  DOWNLINK
350 350  
351 351  
327 +[[image:image-20220527093607-19.png]]
352 352  
353 -[[image:image-20220601143921-4.png]]
354 -
355 355  DOWNLINK
356 356  
357 357  
332 +[[image:image-20220527093628-20.png]]
358 358  
359 -[[image:image-20220601142805-5.png]]
360 -
361 361  DOWNLINK
362 362  
363 363  
364 -=== **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 ===
365 365  
366 366  (((
367 367  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.
... ... @@ -388,19 +388,17 @@
388 388  USB
389 389  
390 390  
391 -
392 392  [[image:image-20220527093747-22.png]]
393 393  
394 394  USB
395 395  
396 396  
397 -
398 398  (((
399 399  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.
400 400  )))
401 401  
402 402  (((
403 -(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
374 +**Example:**  input：01 03 00 31 00 02 95 c4
404 404  )))
405 405  
406 406  (((
... ... @@ -412,7 +412,7 @@
412 412  USB
413 413  
414 414  
415 -=== **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 ===
416 416  
417 417  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.
418 418  
... ... @@ -422,7 +422,7 @@
422 422  )))
423 423  )))
424 424  
425 -[[image:image-20220601142044-1.png]]
396 +[[image:image-20220527093849-24.png]]
426 426  
427 427  
428 428  **Example**:These two meters are examples of setting parameters and device addresses.
... ... @@ -449,7 +449,7 @@
449 449  )))
450 450  )))
451 451  
452 -[[image:image-20220601142354-2.png]]
423 +[[image:image-20220527094100-27.png]]
453 453  
454 454  (% class="box infomessage" %)
455 455  (((
... ... @@ -476,23 +476,22 @@
476 476  
477 477  Its default device address is 01, and the following are the parameters for configuring two energy meters.
478 478  
479 -[[image:image-20220601142452-3.png]]
450 +[[image:image-20220527094150-28.png]]
480 480  
481 481  
482 -[[image:image-20220601142607-4.png]]
453 +[[image:image-20220527094224-29.png]]
483 483  
484 -**PAYLOAD:01 08 DF 43 62**
455 +PAYLOAD:01 08 DF 43 62
485 485  
486 486  * 08 DF is the valid value of the meter with device address 02.
487 487  * 43 62 is the valid value of the meter with device address 01.
488 488  
489 489  
490 -
491 491  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
492 492  
493 493  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:
494 494  
495 -[[image:image-20220527094330-30.png]]
465 +[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
496 496  
497 497  Connection
498 498  
... ... @@ -506,7 +506,6 @@
506 506  
507 507  * [[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
508 508  
509 -
510 510  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
511 511  
512 512  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:
... ... @@ -513,10 +513,9 @@
513 513  
514 514  * [[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
515 515  
516 -
517 517  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
518 518  
519 -[[image:image-20220527094556-31.png]]
487 +[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
520 520  
521 521  Network Structure
522 522  
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