Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 41.6 >
edited by Xiaoling
on 2022/05/30 11:26
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  
... ... @@ -8,13 +8,15 @@
8 8  
9 9  
10 10  
11 -= 1. Introduction =
12 += **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 -== 1.1 Example 1: Connect to Leak relay and VFD ==
18 +== **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]]
... ... @@ -34,32 +34,33 @@
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  
40 +== **1.2 Example 2: Connect to Pulse Counter** ==
37 37  
38 38  
39 -== 1.2 Example 2: Connect to Pulse Counter ==
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  
45 +
43 43  [[image:image-20220527092058-3.png]]
44 44  
45 45  Connection
46 46  
47 47  
51 +
48 48  [[image:image-20220527092146-4.png]]
49 49  
50 50  Connection
51 51  
52 -* [[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
56 +
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/]]
53 53  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
54 54  
55 -== ==
60 +== **1.3 Example3: Use RS485-LN with energy meters** ==
56 56  
57 -== 1.3 Example3: Use RS485-LN with energy meters ==
62 +=== **1.3.1 OverView** ===
58 58  
59 -=== 1.3.1 OverView ===
60 60  
61 61  (((
62 -**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.
63 63  )))
64 64  
65 65  (((
... ... @@ -71,8 +71,11 @@
71 71  Connection1
72 72  
73 73  
78 +
74 74  (((
75 -How to connect with Energy Meter：
80 +**How to connect with Energy Meter：**
81 +
82 +
76 76  )))
77 77  
78 78  (((
... ... @@ -100,22 +100,21 @@
100 100  Connection2
101 101  
102 102  
110 +
103 103  [[image:image-20220527092555-7.png]]
104 104  
105 105  Connection3
106 106  
107 107  
108 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
116 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
109 109  
118 +
110 110  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.
111 111  
112 -[[image:image-20220527092629-8.png]]
121 +[[image:image-20220601143257-10.png]]
113 113  
114 114  
115 -(% class="box infomessage" %)
116 -(((
117 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
118 -)))
124 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
119 119  
120 120  * The first byte : slave address code (=001～247)
121 121  * The second byte : read register value function code
... ... @@ -124,12 +124,12 @@
124 124  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
125 125  
126 126  (((
133 +
134 +
135 +
127 127  How to parse the reading of the return command of the parameter：
128 -)))
129 129  
130 -(% class="box infomessage" %)
131 -(((
132 -**Example:** RETURN1：01 03 02 08 FD 7E 05
138 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
133 133  )))
134 134  
135 135  * The first byte ARD: slave address code (=001～254)
... ... @@ -142,22 +142,27 @@
142 142  (% class="wikigeneratedid" %)
143 143  (((
144 144  
151 +
152 +
153 +
145 145  )))
146 146  
147 147  === **1.3.3 How to configure RS485-LN and parse output commands** ===
148 148  
158 +
149 149  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
150 150  
151 151  
152 -==== **1.3.3.1 via AT COMMAND:** ====
162 +==== **1.3.3.1 via AT COMMAND** ====
153 153  
154 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
155 155  
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 +
156 156  (((
157 157  If the configured parameters and commands are incorrect, the return value is not obtained.
158 158  )))
159 159  
160 -[[image:image-20220527092748-9.png]]
171 +[[image:image-20220601143201-9.png]]
161 161  
162 162  AT COMMAND
163 163  
... ... @@ -164,31 +164,33 @@
164 164  
165 165  (% class="box infomessage" %)
166 166  (((
167 - 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
168 168  )))
169 169  
170 -a: length for the return of AT+COMMAND
181 +a:  length for the return of AT+COMMAND
171 171  
172 -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.
173 173  
174 -c: define the position for valid value.
185 +c:  define the position for valid value.
175 175  
176 -[[image:image-20220527092936-10.png]]
187 +[[image:image-20220601143115-8.png]]
177 177  
178 178  AT COMMAND
179 179  
180 180  
192 +
181 181  PAYLOAD is available after the valid value is intercepted.
182 182  
183 183  
184 -[[image:image-20220527093059-11.png]]
196 +[[image:image-20220601143046-7.png]]
185 185  
186 186  AT COMMAND
187 187  
188 188  
201 +
189 189  You can get configured PAYLOAD on TTN.
190 190  
191 -[[image:image-20220527093133-12.png]]
204 +[[image:image-20220601143519-1.png]]
192 192  
193 193  (((
194 194  AT COMMAND
... ... @@ -199,52 +199,52 @@
199 199  )))
200 200  
201 201  (((
202 -(% style="color:#4f81bd" %)**Example**:
215 +(% style="color:blue" %)**Example**:
203 203  
204 -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
205 205  )))
206 206  
207 207  (((
208 -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)
209 209  )))
210 210  
211 211  (((
212 -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.
213 213  
214 214  
215 215  )))
216 216  
217 217  (((
218 -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
219 219  )))
220 220  
221 221  (((
222 -RETURN2:01 03 02 08 DC BE 1D(return data)
235 +RETURN2: 01 03 02 08 DC BE 1D(return data)
223 223  )))
224 224  
225 225  (((
226 -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.
227 227  
228 228  
229 229  )))
230 230  
231 231  (((
232 -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
233 233  )))
234 234  
235 235  (((
236 -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)
237 237  )))
238 238  
239 239  (((
240 -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.
241 241  )))
242 242  
243 243  (((
244 -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
245 245  )))
246 246  
247 -[[image:image-20220527093204-13.png]]
260 +[[image:image-20220601142936-6.png]]
248 248  
249 249  AT COMMAND
250 250  
... ... @@ -251,13 +251,15 @@
251 251  
252 252  (% 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.**
253 253  
254 -[[image:image-20220527093251-14.png]]
255 255  
268 +[[image:image-20220601143642-2.png]]
269 +
256 256  AT COMMAND
257 257  
258 258  
259 259  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
260 260  
275 +
261 261  [[image:image-20220527093358-15.png]]
262 262  
263 263  (((
... ... @@ -280,7 +280,7 @@
280 280  )))
281 281  
282 282  (((
283 -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.
284 284  )))
285 285  
286 286  (((
... ... @@ -316,7 +316,9 @@
316 316  )))
317 317  
318 318  (((
319 -(% style="color:#4f81bd" %)**Example:**
334 +
335 +
336 +(% style="color:blue" %)**Example:**
320 320  )))
321 321  
322 322  (((
... ... @@ -323,28 +323,32 @@
323 323  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
324 324  )))
325 325  
326 -[[image:image-20220527093430-16.png]]
343 +[[image:image-20220601144149-6.png]]
327 327  
328 328  DOWNLINK
329 329  
330 330  
331 -[[image:image-20220527093508-17.png]]
332 332  
349 +[[image:image-20220601143803-3.png]]
350 +
333 333  DOWNLINK
334 334  
335 335  
336 -[[image:image-20220527093530-18.png]]
337 337  
355 +[[image:image-20220601144053-5.png]]
356 +
338 338  DOWNLINK
339 339  
340 340  
341 -[[image:image-20220527093607-19.png]]
342 342  
361 +[[image:image-20220601143921-4.png]]
362 +
343 343  DOWNLINK
344 344  
345 345  
346 -[[image:image-20220527093628-20.png]]
347 347  
367 +[[image:image-20220601142805-5.png]]
368 +
348 348  DOWNLINK
349 349  
350 350  
... ... @@ -368,6 +368,8 @@
368 368  
369 369  (((
370 370  check digit: Even
392 +
393 +
371 371  )))
372 372  
373 373  [[image:image-20220527093708-21.png]]
... ... @@ -375,21 +375,27 @@
375 375  USB
376 376  
377 377  
401 +
378 378  [[image:image-20220527093747-22.png]]
379 379  
380 380  USB
381 381  
382 382  
407 +
383 383  (((
384 384  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 +
385 385  )))
386 386  
387 387  (((
388 -(% 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
389 389  )))
390 390  
391 391  (((
392 392   output：01 03 04 00 00 00 42 7A 02
420 +
421 +
393 393  )))
394 394  
395 395  [[image:image-20220527093821-23.png]]
... ... @@ -399,6 +399,7 @@
399 399  
400 400  === **1.3.5 How to configure multiple devices and modify device addresses** ===
401 401  
431 +
402 402  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.
403 403  
404 404  (((
... ... @@ -407,15 +407,17 @@
407 407  )))
408 408  )))
409 409  
410 -[[image:image-20220527093849-24.png]]
440 +[[image:image-20220601142044-1.png]]
411 411  
412 412  
413 -**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.
414 414  
415 415  [[image:image-20220527093950-25.png]]
416 416  
447 +
417 417  [[image:image-20220527094028-26.png]]
418 418  
450 +
419 419  (((
420 420  (((
421 421  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.
... ... @@ -424,7 +424,7 @@
424 424  
425 425  (((
426 426  (((
427 -We can use AT+CFGDEV to set the device address.
459 +We can use **AT+CFGDEV** to set the device address.
428 428  )))
429 429  )))
430 430  
... ... @@ -434,8 +434,9 @@
434 434  )))
435 435  )))
436 436  
437 -[[image:image-20220527094100-27.png]]
469 +[[image:image-20220601142354-2.png]]
438 438  
471 +
439 439  (% class="box infomessage" %)
440 440  (((
441 441  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -461,11 +461,12 @@
461 461  
462 462  Its default device address is 01, and the following are the parameters for configuring two energy meters.
463 463  
464 -[[image:image-20220527094150-28.png]]
497 +[[image:image-20220601142452-3.png]]
465 465  
466 466  
467 -[[image:image-20220527094224-29.png]]
500 +[[image:image-20220601142607-4.png]]
468 468  
502 +
469 469  **PAYLOAD:01 08 DF 43 62**
470 470  
471 471  * 08 DF is the valid value of the meter with device address 02.
... ... @@ -472,37 +472,52 @@
472 472  * 43 62 is the valid value of the meter with device address 01.
473 473  
474 474  
509 +
510 +
475 475  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
476 476  
477 -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:
478 478  
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 +
479 479  [[image:image-20220527094330-30.png]]
480 480  
481 481  Connection
482 482  
483 -* [[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
484 484  
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/]]
485 485  
525 +
526 +
527 +
486 486  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
487 487  
530 +
488 488  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:
489 489  
490 -* [[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]]
491 491  
492 -* [[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
493 493  
494 494  
538 +
495 495  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
496 496  
541 +
497 497  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:
498 498  
499 -* [[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);"]]
500 500  
501 501  
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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