Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 41.23 >
edited by Xiaoling
on 2022/06/01 14:17
To version < 57.14 >
edited by Xiaoling
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1 -(% class="wikigeneratedid" %)
2 - **Contents:**
1 +**Table of Contents:**
3 3  
4 4  {{toc/}}
5 5  
... ... @@ -10,11 +10,13 @@
10 10  
11 11  = **1. Introduction** =
12 12  
12 +
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  
18 +
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  
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 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
55 +* 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  
62 +
63 63  (((
64 -**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
64 +(% 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：
78 +**How to connect with Energy Meter：**
79 +
80 +
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  
116 +
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]]
119 +[[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 -)))
122 +(% 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  (((
131 +
132 +
133 +
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
136 +(% 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)
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146 146  (% class="wikigeneratedid" %)
147 147  (((
148 148  
149 +
150 +
151 +
149 149  )))
150 150  
151 151  === **1.3.3 How to configure RS485-LN and parse output commands** ===
152 152  
156 +
153 153  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
154 154  
155 155  
156 -==== **1.3.3.1 via AT COMMAND:** ====
160 +==== **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  
163 +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.
164 +
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]]
169 +[[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
176 + **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]]
185 +[[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]]
194 +[[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]]
202 +[[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**:
213 +(% 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
215 +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)
219 +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.
223 +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
229 +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)
233 +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.
237 +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
243 +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)
247 +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.
251 +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
255 +Payload: 01 00 02 39 85 08 DC 00 00 00 44
251 251  )))
252 252  
253 -[[image:image-20220527093204-13.png]]
258 +[[image:image-20220601142936-6.png]]
254 254  
255 255  AT COMMAND
256 256  
... ... @@ -258,14 +258,14 @@
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  
260 260  
266 +[[image:image-20220601143642-2.png]]
261 261  
262 -[[image:image-20220527093251-14.png]]
263 -
264 264  AT COMMAND
265 265  
266 266  
267 267  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
268 268  
273 +
269 269  [[image:image-20220527093358-15.png]]
270 270  
271 271  (((
... ... @@ -288,7 +288,7 @@
288 288  )))
289 289  
290 290  (((
291 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
296 +(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
292 292  )))
293 293  
294 294  (((
... ... @@ -326,7 +326,7 @@
326 326  (((
327 327  
328 328  
329 -(% style="color:#4f81bd" %)**Example:**
334 +(% style="color:blue" %)**Example:**
330 330  )))
331 331  
332 332  (((
... ... @@ -333,31 +333,31 @@
333 333  **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-20220527093430-16.png]]
341 +[[image:image-20220601144149-6.png]]
337 337  
338 338  DOWNLINK
339 339  
340 340  
341 341  
342 -[[image:image-20220527093508-17.png]]
347 +[[image:image-20220601143803-3.png]]
343 343  
344 344  DOWNLINK
345 345  
346 346  
347 347  
348 -[[image:image-20220527093530-18.png]]
353 +[[image:image-20220601144053-5.png]]
349 349  
350 350  DOWNLINK
351 351  
352 352  
353 353  
354 -[[image:image-20220527093607-19.png]]
359 +[[image:image-20220601143921-4.png]]
355 355  
356 356  DOWNLINK
357 357  
358 358  
359 359  
360 -[[image:image-20220527093628-20.png]]
365 +[[image:image-20220601142805-5.png]]
361 361  
362 362  DOWNLINK
363 363  
... ... @@ -382,6 +382,8 @@
382 382  
383 383  (((
384 384  check digit: Even
390 +
391 +
385 385  )))
386 386  
387 387  [[image:image-20220527093708-21.png]]
... ... @@ -395,16 +395,21 @@
395 395  USB
396 396  
397 397  
405 +
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.
408 +
409 +
400 400  )))
401 401  
402 402  (((
403 -(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
413 +(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
404 404  )))
405 405  
406 406  (((
407 407   output：01 03 04 00 00 00 42 7A 02
418 +
419 +
408 408  )))
409 409  
410 410  [[image:image-20220527093821-23.png]]
... ... @@ -414,6 +414,7 @@
414 414  
415 415  === **1.3.5 How to configure multiple devices and modify device addresses** ===
416 416  
429 +
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  
419 419  (((
... ... @@ -422,15 +422,17 @@
422 422  )))
423 423  )))
424 424  
425 -[[image:image-20220527093849-24.png]]
438 +[[image:image-20220601142044-1.png]]
426 426  
427 427  
428 -**Example**:These two meters are examples of setting parameters and device addresses.
441 +(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
429 429  
430 430  [[image:image-20220527093950-25.png]]
431 431  
445 +
432 432  [[image:image-20220527094028-26.png]]
433 433  
448 +
434 434  (((
435 435  (((
436 436  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.
... ... @@ -439,7 +439,7 @@
439 439  
440 440  (((
441 441  (((
442 -We can use AT+CFGDEV to set the device address.
457 +We can use **AT+CFGDEV** to set the device address.
443 443  )))
444 444  )))
445 445  
... ... @@ -449,8 +449,9 @@
449 449  )))
450 450  )))
451 451  
452 -[[image:image-20220527094100-27.png]]
467 +[[image:image-20220601142354-2.png]]
453 453  
469 +
454 454  (% class="box infomessage" %)
455 455  (((
456 456  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -476,11 +476,12 @@
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-20220527094150-28.png]]
495 +[[image:image-20220601142452-3.png]]
480 480  
481 481  
482 -[[image:image-20220527094224-29.png]]
498 +[[image:image-20220601142607-4.png]]
483 483  
500 +
484 484  **PAYLOAD:01 08 DF 43 62**
485 485  
486 486  * 08 DF is the valid value of the meter with device address 02.
... ... @@ -487,35 +487,52 @@
487 487  * 43 62 is the valid value of the meter with device address 01.
488 488  
489 489  
507 +
508 +
490 490  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
491 491  
492 -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:
493 493  
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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology.
513 +
514 +The structure is like below:
515 +
494 494  [[image:image-20220527094330-30.png]]
495 495  
496 496  Connection
497 497  
498 -* [[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
499 499  
521 +* 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/]]
500 500  
523 +
524 +
525 +
501 501  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
502 502  
528 +
503 503  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:
504 504  
505 -* [[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
531 +* 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);"]]
532 +* 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]]
506 506  
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 -== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
510 510  
536 +
537 +== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
538 +
539 +
511 511  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:
512 512  
513 -* [[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
542 +* 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);"]]
514 514  
515 -== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
516 516  
545 +
546 +
547 +== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
548 +
549 +
517 517  [[image:image-20220527094556-31.png]]
518 518  
519 519  Network Structure
520 520  
554 +
521 521  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
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