Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 60.10 >
edited by Xiaoling
on 2022/09/19 16:20
To version < 47.2 >
edited by Xiaoling
on 2022/06/01 14:29
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Summary

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1 -**Table of Contents:**
1 +(% class="wikigeneratedid" %)
2 + **Contents:**
2 2  
3 3  {{toc/}}
4 4  
... ... @@ -9,19 +9,15 @@
9 9  
10 10  = **1. Introduction** =
11 11  
12 -
13 13  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
14 14  
15 15  
16 -
17 17  == **1.1 Example 1: Connect to Leak relay and VFD** ==
18 18  
19 -
20 20  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:
21 21  
20 +[[image:image-20220527091852-1.png]]
22 22  
23 -[[image:image-20220527091852-1.png||height="547" width="994"]]
24 -
25 25  Connection
26 26  
27 27  
... ... @@ -31,52 +31,44 @@
31 31  Connection
32 32  
33 33  
34 -(% style="color:blue" %)**Related documents:**
31 +Related documents:
35 35  
36 -* System Structure:  [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
37 -* Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code:  [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
33 +* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
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.
38 38  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
39 39  
40 40  
41 41  
42 -
43 43  == **1.2 Example 2: Connect to Pulse Counter** ==
44 44  
45 -
46 46  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:
47 47  
43 +[[image:image-20220527092058-3.png]]
48 48  
49 -[[image:image-20220527092058-3.png||height="552" width="905"]]
50 -
51 51  Connection
52 52  
53 53  
54 54  
55 -[[image:image-20220527092146-4.png||height="507" width="906"]]
49 +[[image:image-20220527092146-4.png]]
56 56  
57 57  Connection
58 58  
59 59  
60 -(% style="color:blue" %)**Related documents:**
61 -
62 -* 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/||_mstmutation="1"]]
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
63 63  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
64 64  
57 +== ==
65 65  
66 66  == **1.3 Example3: Use RS485-LN with energy meters** ==
67 67  
68 -
69 69  === **1.3.1 OverView** ===
70 70  
71 -
72 72  (((
73 -(% style="color:red" %)**Note**：**The specifications of each energy meter are different, please refer to your own energy meter specifications.**
64 +**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
74 74  )))
75 75  
76 76  (((
77 77  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
78 -
79 -
80 80  )))
81 81  
82 82  [[image:image-20220527092419-5.png]]
... ... @@ -86,9 +86,7 @@
86 86  
87 87  
88 88  (((
89 -(% style="color:blue" %)**How to connect with Energy Meter：**
90 -
91 -
78 +How to connect with Energy Meter：
92 92  )))
93 93  
94 94  (((
... ... @@ -109,8 +109,6 @@
109 109  
110 110  (((
111 111  Once there is power, the RS485-LN will be on.
112 -
113 -
114 114  )))
115 115  
116 116  [[image:image-20220527092514-6.png]]
... ... @@ -124,16 +124,17 @@
124 124  Connection3
125 125  
126 126  
127 -
128 128  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
129 129  
130 -
131 131  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.
132 132  
133 -[[image:image-20220601143257-10.png]]
116 +[[image:image-20220527092629-8.png]]
134 134  
135 135  
136 -(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
119 +(% class="box infomessage" %)
120 +(((
121 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
122 +)))
137 137  
138 138  * The first byte : slave address code (=001～247)
139 139  * The second byte : read register value function code
... ... @@ -142,12 +142,12 @@
142 142  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
143 143  
144 144  (((
145 -
146 -
147 -
148 148  How to parse the reading of the return command of the parameter：
132 +)))
149 149  
150 -(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
134 +(% class="box infomessage" %)
135 +(((
136 +**Example:** RETURN1：01 03 02 08 FD 7E 05
151 151  )))
152 152  
153 153  * The first byte ARD: slave address code (=001～254)
... ... @@ -160,30 +160,22 @@
160 160  (% class="wikigeneratedid" %)
161 161  (((
162 162  
163 -
164 -
165 -
166 166  )))
167 167  
168 168  === **1.3.3 How to configure RS485-LN and parse output commands** ===
169 169  
170 -
171 171  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
172 172  
173 173  
156 +==== **1.3.3.1 via AT COMMAND:** ====
174 174  
175 -==== **1.3.3.1 via AT COMMAND** ====
158 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
176 176  
177 -
178 -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.
179 -
180 180  (((
181 181  If the configured parameters and commands are incorrect, the return value is not obtained.
182 -
183 -
184 184  )))
185 185  
186 -[[image:image-20220601143201-9.png]]
164 +[[image:image-20220527092748-9.png]]
187 187  
188 188  AT COMMAND
189 189  
... ... @@ -190,7 +190,7 @@
190 190  
191 191  (% class="box infomessage" %)
192 192  (((
193 - (% _mstmutation="1" %)**AT+DATACUTx **(%%):  This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
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
194 194  )))
195 195  
196 196  a:  length for the return of AT+COMMAND
... ... @@ -199,7 +199,7 @@
199 199  
200 200  c:  define the position for valid value.
201 201  
202 -[[image:image-20220601143115-8.png]]
180 +[[image:image-20220527092936-10.png]]
203 203  
204 204  AT COMMAND
205 205  
... ... @@ -208,7 +208,7 @@
208 208  PAYLOAD is available after the valid value is intercepted.
209 209  
210 210  
211 -[[image:image-20220601143046-7.png]]
189 +[[image:image-20220527093059-11.png]]
212 212  
213 213  AT COMMAND
214 214  
... ... @@ -216,7 +216,7 @@
216 216  
217 217  You can get configured PAYLOAD on TTN.
218 218  
219 -[[image:image-20220601143519-1.png]]
197 +[[image:image-20220527093133-12.png]]
220 220  
221 221  (((
222 222  AT COMMAND
... ... @@ -224,57 +224,52 @@
224 224  
225 225  (((
226 226  
227 -
228 -
229 229  )))
230 230  
231 231  (((
232 -(% style="color:blue" %)**Example**:
208 +(% style="color:#4f81bd" %)**Example**:
233 233  
234 -
235 -(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
210 +CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
236 236  )))
237 237  
238 238  (((
239 -RETURN1: 01 03 02 00 02 39 85 00 00(return data)
214 +RETURN1:01 03 02 00 02 39 85 00 00(return data)
240 240  )))
241 241  
242 242  (((
243 -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 +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.
244 244  
245 245  
246 246  )))
247 247  
248 248  (((
249 -(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
224 +CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
250 250  )))
251 251  
252 252  (((
253 -RETURN2: 01 03 02 08 DC BE 1D(return data)
228 +RETURN2:01 03 02 08 DC BE 1D(return data)
254 254  )))
255 255  
256 256  (((
257 -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 +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.
258 258  
259 259  
260 260  )))
261 261  
262 262  (((
263 -(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
238 +CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
264 264  )))
265 265  
266 266  (((
267 -RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
242 +RETURN3:01 03 04 00 00 00 44 FA 00(return data)
268 268  )))
269 269  
270 270  (((
271 -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.
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.
272 272  )))
273 273  
274 274  (((
275 -Payload: 01 00 02 39 85 08 DC 00 00 00 44
276 -
277 -
250 +Payload:01 00 02 39 85 08 DC 00 00 00 44
278 278  )))
279 279  
280 280  [[image:image-20220601142936-6.png]]
... ... @@ -282,19 +282,17 @@
282 282  AT COMMAND
283 283  
284 284  
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.**
285 285  
286 -(% style="color:blue" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
287 287  
288 288  
289 -[[image:image-20220601143642-2.png]]
262 +[[image:image-20220527093251-14.png]]
290 290  
291 291  AT COMMAND
292 292  
293 293  
294 -
295 295  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
296 296  
297 -
298 298  [[image:image-20220527093358-15.png]]
299 299  
300 300  (((
... ... @@ -306,7 +306,7 @@
306 306  )))
307 307  
308 308  (((
309 -(% style="color:blue" %)**Type Code 0xAF**
280 +(% style="color:#4f81bd" %)**Type Code 0xAF**
310 310  )))
311 311  
312 312  (((
... ... @@ -317,9 +317,7 @@
317 317  )))
318 318  
319 319  (((
320 -(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
321 -
322 -
291 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
323 323  )))
324 324  
325 325  (((
... ... @@ -357,7 +357,7 @@
357 357  (((
358 358  
359 359  
360 -(% style="color:blue" %)**Example:**
329 +(% style="color:#4f81bd" %)**Example:**
361 361  )))
362 362  
363 363  (((
... ... @@ -364,25 +364,25 @@
364 364  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
365 365  )))
366 366  
367 -[[image:image-20220601144149-6.png]]
336 +[[image:image-20220527093430-16.png]]
368 368  
369 369  DOWNLINK
370 370  
371 371  
372 372  
373 -[[image:image-20220601143803-3.png]]
342 +[[image:image-20220527093508-17.png]]
374 374  
375 375  DOWNLINK
376 376  
377 377  
378 378  
379 -[[image:image-20220601144053-5.png]]
348 +[[image:image-20220527093530-18.png]]
380 380  
381 381  DOWNLINK
382 382  
383 383  
384 384  
385 -[[image:image-20220601143921-4.png]]
354 +[[image:image-20220527093607-19.png]]
386 386  
387 387  DOWNLINK
388 388  
... ... @@ -393,10 +393,8 @@
393 393  DOWNLINK
394 394  
395 395  
396 -
397 397  === **1.3.4 How to configure and output commands for RS485 to USB** ===
398 398  
399 -
400 400  (((
401 401  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.
402 402  )))
... ... @@ -415,8 +415,6 @@
415 415  
416 416  (((
417 417  check digit: Even
418 -
419 -
420 420  )))
421 421  
422 422  [[image:image-20220527093708-21.png]]
... ... @@ -433,18 +433,14 @@
433 433  
434 434  (((
435 435  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.
436 -
437 -
438 438  )))
439 439  
440 440  (((
441 -(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
404 +(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
442 442  )))
443 443  
444 444  (((
445 445   output：01 03 04 00 00 00 42 7A 02
446 -
447 -
448 448  )))
449 449  
450 450  [[image:image-20220527093821-23.png]]
... ... @@ -452,10 +452,8 @@
452 452  USB
453 453  
454 454  
455 -
456 456  === **1.3.5 How to configure multiple devices and modify device addresses** ===
457 457  
458 -
459 459  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.
460 460  
461 461  (((
... ... @@ -467,15 +467,12 @@
467 467  [[image:image-20220601142044-1.png]]
468 468  
469 469  
470 -(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
429 +**Example**:These two meters are examples of setting parameters and device addresses.
471 471  
472 -
473 473  [[image:image-20220527093950-25.png]]
474 474  
475 -
476 476  [[image:image-20220527094028-26.png]]
477 477  
478 -
479 479  (((
480 480  (((
481 481  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.
... ... @@ -484,7 +484,7 @@
484 484  
485 485  (((
486 486  (((
487 -We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address.
443 +We can use AT+CFGDEV to set the device address.
488 488  )))
489 489  )))
490 490  
... ... @@ -496,7 +496,6 @@
496 496  
497 497  [[image:image-20220601142354-2.png]]
498 498  
499 -
500 500  (% class="box infomessage" %)
501 501  (((
502 502  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -527,60 +527,45 @@
527 527  
528 528  [[image:image-20220601142607-4.png]]
529 529  
485 +**PAYLOAD:01 08 DF 43 62**
530 530  
531 -(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62**
532 -
533 533  * 08 DF is the valid value of the meter with device address 02.
534 534  * 43 62 is the valid value of the meter with device address 01.
535 535  
536 -(% style="display:none" %) (%%)
537 537  
538 -(% style="display:none" %) (%%)
539 -
540 -
541 541  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
542 542  
493 +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:
543 543  
544 -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.
545 -
546 -The structure is like below:
547 -
548 548  [[image:image-20220527094330-30.png]]
549 549  
550 550  Connection
551 551  
499 +* [[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
552 552  
553 -* 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/||_mstmutation="1"]]
554 554  
555 -
556 -
557 557  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
558 558  
559 -
560 560  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:
561 561  
562 -* 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||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
563 -* 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||_mstmutation="1"]]
506 +* [[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
564 564  
508 +* [[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
565 565  
566 566  
567 567  
568 -== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
512 +== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
569 569  
570 -
571 571  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:
572 572  
573 -* 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||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
516 +* [[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
574 574  
575 575  
576 576  
520 +== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
577 577  
578 -== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
579 -
580 -
581 581  [[image:image-20220527094556-31.png]]
582 582  
583 583  Network Structure
584 584  
585 -
586 586  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
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