Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 41.16 >
edited by Xiaoling
on 2022/06/01 14:15
To version < 57.12 >
edited by Xiaoling
on 2022/07/14 09:48
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1,5 +1,6 @@
1 1  (% class="wikigeneratedid" %)
2 - **Contents:**
2 +*
3 +** Table of** **Contents:
3 3  
4 4  {{toc/}}
5 5  
... ... @@ -10,11 +10,13 @@
10 10  
11 11  = **1. Introduction** =
12 12  
14 +
13 13  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
14 14  
15 15  
16 16  == **1.1 Example 1: Connect to Leak relay and VFD** ==
17 17  
20 +
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]]
... ... @@ -34,12 +34,12 @@
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 -
38 -
39 39  == **1.2 Example 2: Connect to Pulse Counter** ==
40 40  
42 +
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  
45 +
43 43  [[image:image-20220527092058-3.png]]
44 44  
45 45  Connection
... ... @@ -51,17 +51,16 @@
51 51  Connection
52 52  
53 53  
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
57 +* 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/]]
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 -== ==
58 -
59 59  == **1.3 Example3: Use RS485-LN with energy meters** ==
60 60  
61 61  === **1.3.1 OverView** ===
62 62  
64 +
63 63  (((
64 -**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
66 +(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
65 65  )))
66 66  
67 67  (((
... ... @@ -75,7 +75,9 @@
75 75  
76 76  
77 77  (((
78 -How to connect with Energy Meter：
80 +**How to connect with Energy Meter：**
81 +
82 +
79 79  )))
80 80  
81 81  (((
... ... @@ -111,15 +111,13 @@
111 111  
112 112  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
113 113  
118 +
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-20220527092629-8.png]]
121 +[[image:image-20220601143257-10.png]]
117 117  
118 118  
119 -(% class="box infomessage" %)
120 -(((
121 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
122 -)))
124 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
123 123  
124 124  * The first byte : slave address code (=001～247)
125 125  * The second byte : read register value function code
... ... @@ -128,12 +128,12 @@
128 128  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
129 129  
130 130  (((
133 +
134 +
135 +
131 131  How to parse the reading of the return command of the parameter：
132 -)))
133 133  
134 -(% class="box infomessage" %)
135 -(((
136 -**Example:** RETURN1：01 03 02 08 FD 7E 05
138 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
137 137  )))
138 138  
139 139  * The first byte ARD: slave address code (=001～254)
... ... @@ -146,22 +146,27 @@
146 146  (% class="wikigeneratedid" %)
147 147  (((
148 148  
151 +
152 +
153 +
149 149  )))
150 150  
151 151  === **1.3.3 How to configure RS485-LN and parse output commands** ===
152 152  
158 +
153 153  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
154 154  
155 155  
156 -==== **1.3.3.1 via AT COMMAND:** ====
162 +==== **1.3.3.1 via AT COMMAND** ====
157 157  
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  
165 +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.
166 +
160 160  (((
161 161  If the configured parameters and commands are incorrect, the return value is not obtained.
162 162  )))
163 163  
164 -[[image:image-20220527092748-9.png]]
171 +[[image:image-20220601143201-9.png]]
165 165  
166 166  AT COMMAND
167 167  
... ... @@ -168,7 +168,7 @@
168 168  
169 169  (% class="box infomessage" %)
170 170  (((
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
178 + **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  
174 174  a:  length for the return of AT+COMMAND
... ... @@ -177,7 +177,7 @@
177 177  
178 178  c:  define the position for valid value.
179 179  
180 -[[image:image-20220527092936-10.png]]
187 +[[image:image-20220601143115-8.png]]
181 181  
182 182  AT COMMAND
183 183  
... ... @@ -186,7 +186,7 @@
186 186  PAYLOAD is available after the valid value is intercepted.
187 187  
188 188  
189 -[[image:image-20220527093059-11.png]]
196 +[[image:image-20220601143046-7.png]]
190 190  
191 191  AT COMMAND
192 192  
... ... @@ -194,7 +194,7 @@
194 194  
195 195  You can get configured PAYLOAD on TTN.
196 196  
197 -[[image:image-20220527093133-12.png]]
204 +[[image:image-20220601143519-1.png]]
198 198  
199 199  (((
200 200  AT COMMAND
... ... @@ -205,52 +205,52 @@
205 205  )))
206 206  
207 207  (((
208 -(% style="color:#4f81bd" %)**Example**:
215 +(% style="color:blue" %)**Example**:
209 209  
210 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
217 +CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
211 211  )))
212 212  
213 213  (((
214 -RETURN1:01 03 02 00 02 39 85 00 00(return data)
221 +RETURN1: 01 03 02 00 02 39 85 00 00(return data)
215 215  )))
216 216  
217 217  (((
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.
225 +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.
219 219  
220 220  
221 221  )))
222 222  
223 223  (((
224 -CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
231 +CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
225 225  )))
226 226  
227 227  (((
228 -RETURN2:01 03 02 08 DC BE 1D(return data)
235 +RETURN2: 01 03 02 08 DC BE 1D(return data)
229 229  )))
230 230  
231 231  (((
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.
239 +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.
233 233  
234 234  
235 235  )))
236 236  
237 237  (((
238 -CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
245 +CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
239 239  )))
240 240  
241 241  (((
242 -RETURN3:01 03 04 00 00 00 44 FA 00(return data)
249 +RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
243 243  )))
244 244  
245 245  (((
246 -AT+DATACUT3:9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
253 +AT+DATACUT3: 9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
247 247  )))
248 248  
249 249  (((
250 -Payload:01 00 02 39 85 08 DC 00 00 00 44
257 +Payload: 01 00 02 39 85 08 DC 00 00 00 44
251 251  )))
252 252  
253 -[[image:image-20220527093204-13.png]]
260 +[[image:image-20220601142936-6.png]]
254 254  
255 255  AT COMMAND
256 256  
... ... @@ -257,13 +257,15 @@
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  
260 -[[image:image-20220527093251-14.png]]
261 261  
268 +[[image:image-20220601143642-2.png]]
269 +
262 262  AT COMMAND
263 263  
264 264  
265 265  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
266 266  
275 +
267 267  [[image:image-20220527093358-15.png]]
268 268  
269 269  (((
... ... @@ -286,7 +286,7 @@
286 286  )))
287 287  
288 288  (((
289 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
298 +(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
290 290  )))
291 291  
292 292  (((
... ... @@ -322,7 +322,9 @@
322 322  )))
323 323  
324 324  (((
325 -(% style="color:#4f81bd" %)**Example:**
334 +
335 +
336 +(% style="color:blue" %)**Example:**
326 326  )))
327 327  
328 328  (((
... ... @@ -329,28 +329,32 @@
329 329  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
330 330  )))
331 331  
332 -[[image:image-20220527093430-16.png]]
343 +[[image:image-20220601144149-6.png]]
333 333  
334 334  DOWNLINK
335 335  
336 336  
337 -[[image:image-20220527093508-17.png]]
338 338  
349 +[[image:image-20220601143803-3.png]]
350 +
339 339  DOWNLINK
340 340  
341 341  
342 -[[image:image-20220527093530-18.png]]
343 343  
355 +[[image:image-20220601144053-5.png]]
356 +
344 344  DOWNLINK
345 345  
346 346  
347 -[[image:image-20220527093607-19.png]]
348 348  
361 +[[image:image-20220601143921-4.png]]
362 +
349 349  DOWNLINK
350 350  
351 351  
352 -[[image:image-20220527093628-20.png]]
353 353  
367 +[[image:image-20220601142805-5.png]]
368 +
354 354  DOWNLINK
355 355  
356 356  
... ... @@ -374,6 +374,8 @@
374 374  
375 375  (((
376 376  check digit: Even
392 +
393 +
377 377  )))
378 378  
379 379  [[image:image-20220527093708-21.png]]
... ... @@ -381,21 +381,27 @@
381 381  USB
382 382  
383 383  
401 +
384 384  [[image:image-20220527093747-22.png]]
385 385  
386 386  USB
387 387  
388 388  
407 +
389 389  (((
390 390  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.
410 +
411 +
391 391  )))
392 392  
393 393  (((
394 -(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
415 +(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
395 395  )))
396 396  
397 397  (((
398 398   output：01 03 04 00 00 00 42 7A 02
420 +
421 +
399 399  )))
400 400  
401 401  [[image:image-20220527093821-23.png]]
... ... @@ -405,6 +405,7 @@
405 405  
406 406  === **1.3.5 How to configure multiple devices and modify device addresses** ===
407 407  
431 +
408 408  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.
409 409  
410 410  (((
... ... @@ -413,15 +413,17 @@
413 413  )))
414 414  )))
415 415  
416 -[[image:image-20220527093849-24.png]]
440 +[[image:image-20220601142044-1.png]]
417 417  
418 418  
419 -**Example**:These two meters are examples of setting parameters and device addresses.
443 +(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
420 420  
421 421  [[image:image-20220527093950-25.png]]
422 422  
447 +
423 423  [[image:image-20220527094028-26.png]]
424 424  
450 +
425 425  (((
426 426  (((
427 427  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.
... ... @@ -430,7 +430,7 @@
430 430  
431 431  (((
432 432  (((
433 -We can use AT+CFGDEV to set the device address.
459 +We can use **AT+CFGDEV** to set the device address.
434 434  )))
435 435  )))
436 436  
... ... @@ -440,8 +440,9 @@
440 440  )))
441 441  )))
442 442  
443 -[[image:image-20220527094100-27.png]]
469 +[[image:image-20220601142354-2.png]]
444 444  
471 +
445 445  (% class="box infomessage" %)
446 446  (((
447 447  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -467,11 +467,12 @@
467 467  
468 468  Its default device address is 01, and the following are the parameters for configuring two energy meters.
469 469  
470 -[[image:image-20220527094150-28.png]]
497 +[[image:image-20220601142452-3.png]]
471 471  
472 472  
473 -[[image:image-20220527094224-29.png]]
500 +[[image:image-20220601142607-4.png]]
474 474  
502 +
475 475  **PAYLOAD:01 08 DF 43 62**
476 476  
477 477  * 08 DF is the valid value of the meter with device address 02.
... ... @@ -478,25 +478,36 @@
478 478  * 43 62 is the valid value of the meter with device address 01.
479 479  
480 480  
509 +
510 +
481 481  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
482 482  
483 -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:
484 484  
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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology.
515 +
516 +The structure is like below:
517 +
485 485  [[image:image-20220527094330-30.png]]
486 486  
487 487  Connection
488 488  
489 -* [[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
490 490  
523 +* 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/]]
491 491  
525 +
526 +
527 +
492 492  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
493 493  
530 +
494 494  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:
495 495  
496 -* [[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]] : Configure Document For RS485-BL
533 +* 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);"]]
534 +* 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]]
497 497  
498 -* [[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
499 499  
537 +
538 +
500 500  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
501 501  
502 502  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:
image-20220601142044-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +3.7 KB
Content
image-20220601142354-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +2.8 KB
Content
image-20220601142452-3.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +28.1 KB
Content
image-20220601142607-4.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +26.9 KB
Content
image-20220601142805-5.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +35.8 KB
Content
image-20220601142936-6.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +26.7 KB
Content
image-20220601143046-7.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +11.2 KB
Content
image-20220601143115-8.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +11.9 KB
Content
image-20220601143201-9.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +16.5 KB
Content
image-20220601143257-10.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +9.1 KB
Content
image-20220601143519-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +13.2 KB
Content
image-20220601143642-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +41.4 KB
Content
image-20220601143803-3.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +22.8 KB
Content
image-20220601143921-4.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +29.2 KB
Content
image-20220601144053-5.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +17.1 KB
Content
image-20220601144149-6.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +17.4 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0