Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 41.12 >
edited by Xiaoling
on 2022/06/01 14:12
To version < 57.13 >
edited by Xiaoling
on 2022/07/14 09:49
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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  (((
... ... @@ -73,8 +73,11 @@
73 73  Connection1
74 74  
75 75  
78 +
76 76  (((
77 -How to connect with Energy Meter：
80 +**How to connect with Energy Meter：**
81 +
82 +
78 78  )))
79 79  
80 80  (((
... ... @@ -102,6 +102,7 @@
102 102  Connection2
103 103  
104 104  
110 +
105 105  [[image:image-20220527092555-7.png]]
106 106  
107 107  Connection3
... ... @@ -109,15 +109,13 @@
109 109  
110 110  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
111 111  
118 +
112 112  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.
113 113  
114 -[[image:image-20220527092629-8.png]]
121 +[[image:image-20220601143257-10.png]]
115 115  
116 116  
117 -(% class="box infomessage" %)
118 -(((
119 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
120 -)))
124 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
121 121  
122 122  * The first byte : slave address code (=001～247)
123 123  * The second byte : read register value function code
... ... @@ -126,12 +126,12 @@
126 126  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
127 127  
128 128  (((
133 +
134 +
135 +
129 129  How to parse the reading of the return command of the parameter：
130 -)))
131 131  
132 -(% class="box infomessage" %)
133 -(((
134 -**Example:** RETURN1：01 03 02 08 FD 7E 05
138 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
135 135  )))
136 136  
137 137  * The first byte ARD: slave address code (=001～254)
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144 144  (% class="wikigeneratedid" %)
145 145  (((
146 146  
151 +
152 +
153 +
147 147  )))
148 148  
149 149  === **1.3.3 How to configure RS485-LN and parse output commands** ===
150 150  
158 +
151 151  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
152 152  
153 153  
154 -==== **1.3.3.1 via AT COMMAND:** ====
162 +==== **1.3.3.1 via AT COMMAND** ====
155 155  
156 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
157 157  
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 +
158 158  (((
159 159  If the configured parameters and commands are incorrect, the return value is not obtained.
160 160  )))
161 161  
162 -[[image:image-20220527092748-9.png]]
171 +[[image:image-20220601143201-9.png]]
163 163  
164 164  AT COMMAND
165 165  
... ... @@ -166,31 +166,33 @@
166 166  
167 167  (% class="box infomessage" %)
168 168  (((
169 - 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
170 170  )))
171 171  
172 -a: length for the return of AT+COMMAND
181 +a:  length for the return of AT+COMMAND
173 173  
174 -b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
183 +b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
175 175  
176 -c: define the position for valid value.
185 +c:  define the position for valid value.
177 177  
178 -[[image:image-20220527092936-10.png]]
187 +[[image:image-20220601143115-8.png]]
179 179  
180 180  AT COMMAND
181 181  
182 182  
192 +
183 183  PAYLOAD is available after the valid value is intercepted.
184 184  
185 185  
186 -[[image:image-20220527093059-11.png]]
196 +[[image:image-20220601143046-7.png]]
187 187  
188 188  AT COMMAND
189 189  
190 190  
201 +
191 191  You can get configured PAYLOAD on TTN.
192 192  
193 -[[image:image-20220527093133-12.png]]
204 +[[image:image-20220601143519-1.png]]
194 194  
195 195  (((
196 196  AT COMMAND
... ... @@ -201,52 +201,52 @@
201 201  )))
202 202  
203 203  (((
204 -(% style="color:#4f81bd" %)**Example**:
215 +(% style="color:blue" %)**Example**:
205 205  
206 -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
207 207  )))
208 208  
209 209  (((
210 -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)
211 211  )))
212 212  
213 213  (((
214 -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.
215 215  
216 216  
217 217  )))
218 218  
219 219  (((
220 -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
221 221  )))
222 222  
223 223  (((
224 -RETURN2:01 03 02 08 DC BE 1D(return data)
235 +RETURN2: 01 03 02 08 DC BE 1D(return data)
225 225  )))
226 226  
227 227  (((
228 -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.
229 229  
230 230  
231 231  )))
232 232  
233 233  (((
234 -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
235 235  )))
236 236  
237 237  (((
238 -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)
239 239  )))
240 240  
241 241  (((
242 -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.
243 243  )))
244 244  
245 245  (((
246 -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
247 247  )))
248 248  
249 -[[image:image-20220527093204-13.png]]
260 +[[image:image-20220601142936-6.png]]
250 250  
251 251  AT COMMAND
252 252  
... ... @@ -253,13 +253,15 @@
253 253  
254 254  (% 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.**
255 255  
256 -[[image:image-20220527093251-14.png]]
257 257  
268 +[[image:image-20220601143642-2.png]]
269 +
258 258  AT COMMAND
259 259  
260 260  
261 261  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
262 262  
275 +
263 263  [[image:image-20220527093358-15.png]]
264 264  
265 265  (((
... ... @@ -282,7 +282,7 @@
282 282  )))
283 283  
284 284  (((
285 -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.
286 286  )))
287 287  
288 288  (((
... ... @@ -318,7 +318,9 @@
318 318  )))
319 319  
320 320  (((
321 -(% style="color:#4f81bd" %)**Example:**
334 +
335 +
336 +(% style="color:blue" %)**Example:**
322 322  )))
323 323  
324 324  (((
... ... @@ -325,28 +325,32 @@
325 325  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
326 326  )))
327 327  
328 -[[image:image-20220527093430-16.png]]
343 +[[image:image-20220601144149-6.png]]
329 329  
330 330  DOWNLINK
331 331  
332 332  
333 -[[image:image-20220527093508-17.png]]
334 334  
349 +[[image:image-20220601143803-3.png]]
350 +
335 335  DOWNLINK
336 336  
337 337  
338 -[[image:image-20220527093530-18.png]]
339 339  
355 +[[image:image-20220601144053-5.png]]
356 +
340 340  DOWNLINK
341 341  
342 342  
343 -[[image:image-20220527093607-19.png]]
344 344  
361 +[[image:image-20220601143921-4.png]]
362 +
345 345  DOWNLINK
346 346  
347 347  
348 -[[image:image-20220527093628-20.png]]
349 349  
367 +[[image:image-20220601142805-5.png]]
368 +
350 350  DOWNLINK
351 351  
352 352  
... ... @@ -370,6 +370,8 @@
370 370  
371 371  (((
372 372  check digit: Even
392 +
393 +
373 373  )))
374 374  
375 375  [[image:image-20220527093708-21.png]]
... ... @@ -377,21 +377,27 @@
377 377  USB
378 378  
379 379  
401 +
380 380  [[image:image-20220527093747-22.png]]
381 381  
382 382  USB
383 383  
384 384  
407 +
385 385  (((
386 386  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 +
387 387  )))
388 388  
389 389  (((
390 -(% 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
391 391  )))
392 392  
393 393  (((
394 394   output：01 03 04 00 00 00 42 7A 02
420 +
421 +
395 395  )))
396 396  
397 397  [[image:image-20220527093821-23.png]]
... ... @@ -401,6 +401,7 @@
401 401  
402 402  === **1.3.5 How to configure multiple devices and modify device addresses** ===
403 403  
431 +
404 404  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.
405 405  
406 406  (((
... ... @@ -409,15 +409,17 @@
409 409  )))
410 410  )))
411 411  
412 -[[image:image-20220527093849-24.png]]
440 +[[image:image-20220601142044-1.png]]
413 413  
414 414  
415 -**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.
416 416  
417 417  [[image:image-20220527093950-25.png]]
418 418  
447 +
419 419  [[image:image-20220527094028-26.png]]
420 420  
450 +
421 421  (((
422 422  (((
423 423  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.
... ... @@ -426,7 +426,7 @@
426 426  
427 427  (((
428 428  (((
429 -We can use AT+CFGDEV to set the device address.
459 +We can use **AT+CFGDEV** to set the device address.
430 430  )))
431 431  )))
432 432  
... ... @@ -436,8 +436,9 @@
436 436  )))
437 437  )))
438 438  
439 -[[image:image-20220527094100-27.png]]
469 +[[image:image-20220601142354-2.png]]
440 440  
471 +
441 441  (% class="box infomessage" %)
442 442  (((
443 443  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -463,11 +463,12 @@
463 463  
464 464  Its default device address is 01, and the following are the parameters for configuring two energy meters.
465 465  
466 -[[image:image-20220527094150-28.png]]
497 +[[image:image-20220601142452-3.png]]
467 467  
468 468  
469 -[[image:image-20220527094224-29.png]]
500 +[[image:image-20220601142607-4.png]]
470 470  
502 +
471 471  **PAYLOAD:01 08 DF 43 62**
472 472  
473 473  * 08 DF is the valid value of the meter with device address 02.
... ... @@ -474,35 +474,52 @@
474 474  * 43 62 is the valid value of the meter with device address 01.
475 475  
476 476  
509 +
510 +
477 477  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
478 478  
479 -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:
480 480  
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 +
481 481  [[image:image-20220527094330-30.png]]
482 482  
483 483  Connection
484 484  
485 -* [[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
486 486  
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/]]
487 487  
525 +
526 +
527 +
488 488  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
489 489  
530 +
490 490  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:
491 491  
492 -* [[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]]
493 493  
494 -* [[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
495 495  
537 +
538 +
496 496  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
497 497  
541 +
498 498  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:
499 499  
500 -* [[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
544 +* Configure Document For RS485-LN:  [[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||style="background-color: rgb(255, 255, 255);"]]
501 501  
546 +
547 +
548 +
502 502  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
503 503  
551 +
504 504  [[image:image-20220527094556-31.png]]
505 505  
506 506  Network Structure
507 507  
556 +
508 508  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
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