Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 26.1 >
edited by Xiaoling
on 2022/05/27 09:36
To version < 57.1 >
edited by Xiaoling
on 2022/06/01 14:41
>
Change comment: Uploaded new attachment "image-20220601144149-6.png", version {1}

Summary

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3 3  
4 4  {{toc/}}
5 5  
6 -= 1. Introduction =
7 7  
7 +
8 +
9 +
10 +
11 += **1. Introduction** =
12 +
8 8  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
9 9  
10 -== 1.1 Example 1: Connect to Leak relay and VFD ==
11 11  
16 +== **1.1 Example 1: Connect to Leak relay and VFD** ==
17 +
12 12  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:
13 13  
14 14  [[image:image-20220527091852-1.png]]
... ... @@ -28,8 +28,9 @@
28 28  * [[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.
29 29  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
30 30  
31 -== 1.2 Example 2: Connect to Pulse Counter ==
32 32  
38 +== **1.2 Example 2: Connect to Pulse Counter** ==
39 +
33 33  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:
34 34  
35 35  [[image:image-20220527092058-3.png]]
... ... @@ -37,18 +37,20 @@
37 37  Connection
38 38  
39 39  
47 +
40 40  [[image:image-20220527092146-4.png]]
41 41  
42 42  Connection
43 43  
52 +
44 44  * [[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
45 45  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
46 46  
47 47  == ==
48 48  
49 -== 1.3 Example3: Use RS485-LN with energy meters ==
58 +== **1.3 Example3: Use RS485-LN with energy meters** ==
50 50  
51 -=== 1.3.1 OverView ===
60 +=== **1.3.1 OverView** ===
52 52  
53 53  (((
54 54  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
... ... @@ -63,6 +63,7 @@
63 63  Connection1
64 64  
65 65  
75 +
66 66  (((
67 67  How to connect with Energy Meter：
68 68  )))
... ... @@ -92,16 +92,17 @@
92 92  Connection2
93 93  
94 94  
105 +
95 95  [[image:image-20220527092555-7.png]]
96 96  
97 97  Connection3
98 98  
99 99  
100 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
111 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
101 101  
102 102  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.
103 103  
104 -[[image:image-20220527092629-8.png]]
115 +[[image:image-20220601143257-10.png]]
105 105  
106 106  
107 107  (% class="box infomessage" %)
... ... @@ -136,12 +136,12 @@
136 136  
137 137  )))
138 138  
139 -=== 1.3.3 How to configure RS485-LN and parse output commands ===
150 +=== **1.3.3 How to configure RS485-LN and parse output commands** ===
140 140  
141 141  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
142 142  
143 143  
144 -==== 1.3.3.1 via AT COMMAND: ====
155 +==== **1.3.3.1 via AT COMMAND:** ====
145 145  
146 146  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
147 147  
... ... @@ -149,7 +149,7 @@
149 149  If the configured parameters and commands are incorrect, the return value is not obtained.
150 150  )))
151 151  
152 -[[image:image-20220527092748-9.png]]
163 +[[image:image-20220601143201-9.png]]
153 153  
154 154  AT COMMAND
155 155  
... ... @@ -159,28 +159,30 @@
159 159   AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
160 160  )))
161 161  
162 -a: length for the return of AT+COMMAND
173 +a:  length for the return of AT+COMMAND
163 163  
164 -b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
175 +b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
165 165  
166 -c: define the position for valid value.
177 +c:  define the position for valid value.
167 167  
168 -[[image:image-20220527092936-10.png]]
179 +[[image:image-20220601143115-8.png]]
169 169  
170 170  AT COMMAND
171 171  
172 172  
184 +
173 173  PAYLOAD is available after the valid value is intercepted.
174 174  
175 175  
176 -[[image:image-20220527093059-11.png]]
188 +[[image:image-20220601143046-7.png]]
177 177  
178 178  AT COMMAND
179 179  
180 180  
193 +
181 181  You can get configured PAYLOAD on TTN.
182 182  
183 -[[image:image-20220527093133-12.png]]
196 +[[image:image-20220601143519-1.png]]
184 184  
185 185  (((
186 186  AT COMMAND
... ... @@ -191,7 +191,9 @@
191 191  )))
192 192  
193 193  (((
194 -**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
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
195 195  )))
196 196  
197 197  (((
... ... @@ -200,6 +200,8 @@
200 200  
201 201  (((
202 202  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 +
203 203  )))
204 204  
205 205  (((
... ... @@ -212,6 +212,8 @@
212 212  
213 213  (((
214 214  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 +
215 215  )))
216 216  
217 217  (((
... ... @@ -230,7 +230,7 @@
230 230  Payload:01 00 02 39 85 08 DC 00 00 00 44
231 231  )))
232 232  
233 -[[image:image-20220527093204-13.png]]
252 +[[image:image-20220601142936-6.png]]
234 234  
235 235  AT COMMAND
236 236  
... ... @@ -237,12 +237,14 @@
237 237  
238 238  (% 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.**
239 239  
240 -[[image:image-20220527093251-14.png]]
241 241  
260 +
261 +[[image:image-20220601143642-2.png]]
262 +
242 242  AT COMMAND
243 243  
244 244  
245 -==== 1.3.3.2 via LoRaWAN DOWNLINK ====
266 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
246 246  
247 247  [[image:image-20220527093358-15.png]]
248 248  
... ... @@ -255,7 +255,7 @@
255 255  )))
256 256  
257 257  (((
258 -**Type Code 0xAF**
279 +(% style="color:#4f81bd" %)**Type Code 0xAF**
259 259  )))
260 260  
261 261  (((
... ... @@ -302,11 +302,13 @@
302 302  )))
303 303  
304 304  (((
305 -Example:
326 +
327 +
328 +(% style="color:#4f81bd" %)**Example:**
306 306  )))
307 307  
308 308  (((
309 -AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
332 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
310 310  )))
311 311  
312 312  [[image:image-20220527093430-16.png]]
... ... @@ -314,27 +314,31 @@
314 314  DOWNLINK
315 315  
316 316  
317 -[[image:image-20220527093508-17.png]]
318 318  
341 +[[image:image-20220601143803-3.png]]
342 +
319 319  DOWNLINK
320 320  
321 321  
346 +
322 322  [[image:image-20220527093530-18.png]]
323 323  
324 324  DOWNLINK
325 325  
326 326  
327 -[[~[~[image:https://wiki.dragino.com/images/thumb/3/39/DOWNLINK_METER5.png/600px-DOWNLINK_METER5.png~|~|height="176" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER5.png]]
328 328  
353 +[[image:image-20220601143921-4.png]]
354 +
329 329  DOWNLINK
330 330  
331 331  
332 -[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
333 333  
359 +[[image:image-20220601142805-5.png]]
360 +
334 334  DOWNLINK
335 335  
336 336  
337 -=== 1.3.4 How to configure and output commands for RS485 to USB ===
364 +=== **1.3.4 How to configure and output commands for RS485 to USB** ===
338 338  
339 339  (((
340 340  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.
... ... @@ -356,22 +356,24 @@
356 356  check digit: Even
357 357  )))
358 358  
359 -[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
386 +[[image:image-20220527093708-21.png]]
360 360  
361 361  USB
362 362  
363 363  
364 -[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
365 365  
392 +[[image:image-20220527093747-22.png]]
393 +
366 366  USB
367 367  
368 368  
397 +
369 369  (((
370 370  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.
371 371  )))
372 372  
373 373  (((
374 -**Example:**  input：01 03 00 31 00 02 95 c4
403 +(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
375 375  )))
376 376  
377 377  (((
... ... @@ -378,12 +378,13 @@
378 378   output：01 03 04 00 00 00 42 7A 02
379 379  )))
380 380  
381 -[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
410 +[[image:image-20220527093821-23.png]]
382 382  
383 383  USB
384 384  
385 -=== 1.3.5 How to configure multiple devices and modify device addresses ===
386 386  
415 +=== **1.3.5 How to configure multiple devices and modify device addresses** ===
416 +
387 387  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.
388 388  
389 389  (((
... ... @@ -392,13 +392,14 @@
392 392  )))
393 393  )))
394 394  
395 -[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
425 +[[image:image-20220601142044-1.png]]
396 396  
427 +
397 397  **Example**:These two meters are examples of setting parameters and device addresses.
398 398  
399 -[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
430 +[[image:image-20220527093950-25.png]]
400 400  
401 -[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
432 +[[image:image-20220527094028-26.png]]
402 402  
403 403  (((
404 404  (((
... ... @@ -418,9 +418,12 @@
418 418  )))
419 419  )))
420 420  
421 -[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
452 +[[image:image-20220601142354-2.png]]
422 422  
423 -AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
454 +(% class="box infomessage" %)
455 +(((
456 +**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
457 +)))
424 424  
425 425  * 01:device adaress
426 426  
... ... @@ -442,12 +442,13 @@
442 442  
443 443  Its default device address is 01, and the following are the parameters for configuring two energy meters.
444 444  
445 -[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
479 +[[image:image-20220601142452-3.png]]
446 446  
447 -[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
448 448  
449 -PAYLOAD:01 08 DF 43 62
482 +[[image:image-20220601142607-4.png]]
450 450  
484 +**PAYLOAD:01 08 DF 43 62**
485 +
451 451  * 08 DF is the valid value of the meter with device address 02.
452 452  * 43 62 is the valid value of the meter with device address 01.
453 453  
... ... @@ -455,7 +455,7 @@
455 455  
456 456  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:
457 457  
458 -[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
493 +[[image:image-20220527094330-30.png]]
459 459  
460 460  Connection
461 461  
... ... @@ -469,6 +469,7 @@
469 469  
470 470  * [[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
471 471  
507 +
472 472  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
473 473  
474 474  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:
... ... @@ -475,9 +475,10 @@
475 475  
476 476  * [[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
477 477  
514 +
478 478  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
479 479  
480 -[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
517 +[[image:image-20220527094556-31.png]]
481 481  
482 482  Network Structure
483 483  
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