Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 60.4 >
edited by Xiaoling
on 2022/08/11 16:50
To version < 51.1 >
edited by Xiaoling
on 2022/06/01 14:32
>
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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  
... ... @@ -9,13 +9,11 @@
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 16  == **1.1 Example 1: Connect to Leak relay and VFD** ==
17 17  
18 -
19 19  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:
20 20  
21 21  [[image:image-20220527091852-1.png]]
... ... @@ -29,10 +29,10 @@
29 29  Connection
30 30  
31 31  
32 -(% style="color:blue" %)**Related documents:**
31 +Related documents:
33 33  
34 -* 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);"]]
35 -* 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.
36 36  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
37 37  
38 38  
... ... @@ -39,10 +39,8 @@
39 39  
40 40  == **1.2 Example 2: Connect to Pulse Counter** ==
41 41  
42 -
43 43  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:
44 44  
45 -
46 46  [[image:image-20220527092058-3.png]]
47 47  
48 48  Connection
... ... @@ -54,21 +54,17 @@
54 54  Connection
55 55  
56 56  
57 -(% style="color:blue" %)**Related documents:**
58 -
59 -* 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
60 60  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
61 61  
57 +== ==
62 62  
63 -
64 64  == **1.3 Example3: Use RS485-LN with energy meters** ==
65 65  
66 -
67 67  === **1.3.1 OverView** ===
68 68  
69 -
70 70  (((
71 -(% 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.
72 72  )))
73 73  
74 74  (((
... ... @@ -82,9 +82,7 @@
82 82  
83 83  
84 84  (((
85 -(% style="color:blue" %)**How to connect with Energy Meter：**
86 -
87 -
78 +How to connect with Energy Meter：
88 88  )))
89 89  
90 90  (((
... ... @@ -105,8 +105,6 @@
105 105  
106 106  (((
107 107  Once there is power, the RS485-LN will be on.
108 -
109 -
110 110  )))
111 111  
112 112  [[image:image-20220527092514-6.png]]
... ... @@ -120,16 +120,17 @@
120 120  Connection3
121 121  
122 122  
123 -
124 124  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
125 125  
126 -
127 127  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.
128 128  
129 -[[image:image-20220601143257-10.png]]
116 +[[image:image-20220527092629-8.png]]
130 130  
131 131  
132 -(% 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 +)))
133 133  
134 134  * The first byte : slave address code (=001～247)
135 135  * The second byte : read register value function code
... ... @@ -138,12 +138,12 @@
138 138  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
139 139  
140 140  (((
141 -
142 -
143 -
144 144  How to parse the reading of the return command of the parameter：
132 +)))
145 145  
146 -(% 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
147 147  )))
148 148  
149 149  * The first byte ARD: slave address code (=001～254)
... ... @@ -156,23 +156,17 @@
156 156  (% class="wikigeneratedid" %)
157 157  (((
158 158  
159 -
160 -
161 -
162 162  )))
163 163  
164 164  === **1.3.3 How to configure RS485-LN and parse output commands** ===
165 165  
166 -
167 167  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
168 168  
169 169  
156 +==== **1.3.3.1 via AT COMMAND:** ====
170 170  
171 -==== **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.
172 172  
173 -
174 -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.
175 -
176 176  (((
177 177  If the configured parameters and commands are incorrect, the return value is not obtained.
178 178  )))
... ... @@ -184,7 +184,7 @@
184 184  
185 185  (% class="box infomessage" %)
186 186  (((
187 - (% _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
188 188  )))
189 189  
190 190  a:  length for the return of AT+COMMAND
... ... @@ -210,7 +210,7 @@
210 210  
211 211  You can get configured PAYLOAD on TTN.
212 212  
213 -[[image:image-20220601143519-1.png]]
197 +[[image:image-20220527093133-12.png]]
214 214  
215 215  (((
216 216  AT COMMAND
... ... @@ -218,54 +218,52 @@
218 218  
219 219  (((
220 220  
221 -
222 -
223 223  )))
224 224  
225 225  (((
226 -(% style="color:blue" %)**Example**:
208 +(% style="color:#4f81bd" %)**Example**:
227 227  
228 -(% 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
229 229  )))
230 230  
231 231  (((
232 -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)
233 233  )))
234 234  
235 235  (((
236 -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.
237 237  
238 238  
239 239  )))
240 240  
241 241  (((
242 -(% 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
243 243  )))
244 244  
245 245  (((
246 -RETURN2: 01 03 02 08 DC BE 1D(return data)
228 +RETURN2:01 03 02 08 DC BE 1D(return data)
247 247  )))
248 248  
249 249  (((
250 -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.
251 251  
252 252  
253 253  )))
254 254  
255 255  (((
256 -(% 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
257 257  )))
258 258  
259 259  (((
260 -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)
261 261  )))
262 262  
263 263  (((
264 -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.
265 265  )))
266 266  
267 267  (((
268 -Payload: 01 00 02 39 85 08 DC 00 00 00 44
250 +Payload:01 00 02 39 85 08 DC 00 00 00 44
269 269  )))
270 270  
271 271  [[image:image-20220601142936-6.png]]
... ... @@ -273,19 +273,17 @@
273 273  AT COMMAND
274 274  
275 275  
276 -
277 277  (% 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.**
278 278  
279 279  
280 -[[image:image-20220601143642-2.png]]
281 281  
262 +[[image:image-20220527093251-14.png]]
263 +
282 282  AT COMMAND
283 283  
284 284  
285 -
286 286  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
287 287  
288 -
289 289  [[image:image-20220527093358-15.png]]
290 290  
291 291  (((
... ... @@ -308,9 +308,7 @@
308 308  )))
309 309  
310 310  (((
311 -(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
312 -
313 -
291 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
314 314  )))
315 315  
316 316  (((
... ... @@ -348,7 +348,7 @@
348 348  (((
349 349  
350 350  
351 -(% style="color:blue" %)**Example:**
329 +(% style="color:#4f81bd" %)**Example:**
352 352  )))
353 353  
354 354  (((
... ... @@ -355,25 +355,25 @@
355 355  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
356 356  )))
357 357  
358 -[[image:image-20220601144149-6.png]]
336 +[[image:image-20220527093430-16.png]]
359 359  
360 360  DOWNLINK
361 361  
362 362  
363 363  
364 -[[image:image-20220601143803-3.png]]
342 +[[image:image-20220527093508-17.png]]
365 365  
366 366  DOWNLINK
367 367  
368 368  
369 369  
370 -[[image:image-20220601144053-5.png]]
348 +[[image:image-20220527093530-18.png]]
371 371  
372 372  DOWNLINK
373 373  
374 374  
375 375  
376 -[[image:image-20220601143921-4.png]]
354 +[[image:image-20220527093607-19.png]]
377 377  
378 378  DOWNLINK
379 379  
... ... @@ -384,10 +384,8 @@
384 384  DOWNLINK
385 385  
386 386  
387 -
388 388  === **1.3.4 How to configure and output commands for RS485 to USB** ===
389 389  
390 -
391 391  (((
392 392  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.
393 393  )))
... ... @@ -406,8 +406,6 @@
406 406  
407 407  (((
408 408  check digit: Even
409 -
410 -
411 411  )))
412 412  
413 413  [[image:image-20220527093708-21.png]]
... ... @@ -424,18 +424,14 @@
424 424  
425 425  (((
426 426  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.
427 -
428 -
429 429  )))
430 430  
431 431  (((
432 -(% 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
433 433  )))
434 434  
435 435  (((
436 436   output：01 03 04 00 00 00 42 7A 02
437 -
438 -
439 439  )))
440 440  
441 441  [[image:image-20220527093821-23.png]]
... ... @@ -443,10 +443,8 @@
443 443  USB
444 444  
445 445  
446 -
447 447  === **1.3.5 How to configure multiple devices and modify device addresses** ===
448 448  
449 -
450 450  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.
451 451  
452 452  (((
... ... @@ -458,14 +458,12 @@
458 458  [[image:image-20220601142044-1.png]]
459 459  
460 460  
461 -(% 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.
462 462  
463 463  [[image:image-20220527093950-25.png]]
464 464  
465 -
466 466  [[image:image-20220527094028-26.png]]
467 467  
468 -
469 469  (((
470 470  (((
471 471  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.
... ... @@ -474,7 +474,7 @@
474 474  
475 475  (((
476 476  (((
477 -We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address.
443 +We can use AT+CFGDEV to set the device address.
478 478  )))
479 479  )))
480 480  
... ... @@ -486,7 +486,6 @@
486 486  
487 487  [[image:image-20220601142354-2.png]]
488 488  
489 -
490 490  (% class="box infomessage" %)
491 491  (((
492 492  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -517,53 +517,45 @@
517 517  
518 518  [[image:image-20220601142607-4.png]]
519 519  
485 +**PAYLOAD:01 08 DF 43 62**
520 520  
521 -(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62**
522 -
523 523  * 08 DF is the valid value of the meter with device address 02.
524 524  * 43 62 is the valid value of the meter with device address 01.
525 525  
490 +
526 526  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
527 527  
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:
528 528  
529 -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.
530 -
531 -The structure is like below:
532 -
533 533  [[image:image-20220527094330-30.png]]
534 534  
535 535  Connection
536 536  
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
537 537  
538 -* 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"]]
539 539  
540 -
541 -
542 542  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
543 543  
544 -
545 545  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:
546 546  
547 -* 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);"]]
548 -* 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
549 549  
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
550 550  
551 551  
552 -== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
553 553  
512 +== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
554 554  
555 555  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:
556 556  
557 -* 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
558 558  
559 559  
560 560  
561 -== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
520 +== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
562 562  
563 -
564 564  [[image:image-20220527094556-31.png]]
565 565  
566 566  Network Structure
567 567  
568 -
569 569  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
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