Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 60.3 >
edited by Xiaoling
on 2022/07/22 17:45
To version < 55.1 >
edited by Xiaoling
on 2022/06/01 14:39
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1 -**Table of Contents:**
1 +(% class="wikigeneratedid" %)
2 + **Contents:**
2 2  
3 3  {{toc/}}
4 4  
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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]]
... ... @@ -29,21 +29,17 @@
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 -
40 -
41 41  == **1.2 Example 2: Connect to Pulse Counter** ==
42 42  
43 -
44 44  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:
45 45  
46 -
47 47  [[image:image-20220527092058-3.png]]
48 48  
49 49  Connection
... ... @@ -55,22 +55,17 @@
55 55  Connection
56 56  
57 57  
58 -(% style="color:blue" %)**Related documents:**
59 -
60 -* 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"]]
53 +* [[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
61 61  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
62 62  
56 +== ==
63 63  
64 -
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.
63 +**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
74 74  )))
75 75  
76 76  (((
... ... @@ -84,9 +84,7 @@
84 84  
85 85  
86 86  (((
87 -(% style="color:blue" %)**How to connect with Energy Meter：**
88 -
89 -
77 +How to connect with Energy Meter：
90 90  )))
91 91  
92 92  (((
... ... @@ -107,8 +107,6 @@
107 107  
108 108  (((
109 109  Once there is power, the RS485-LN will be on.
110 -
111 -
112 112  )))
113 113  
114 114  [[image:image-20220527092514-6.png]]
... ... @@ -122,16 +122,17 @@
122 122  Connection3
123 123  
124 124  
125 -
126 126  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
127 127  
128 -
129 129  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.
130 130  
131 131  [[image:image-20220601143257-10.png]]
132 132  
133 133  
134 -(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
118 +(% class="box infomessage" %)
119 +(((
120 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
121 +)))
135 135  
136 136  * The first byte : slave address code (=001～247)
137 137  * The second byte : read register value function code
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140 140  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
141 141  
142 142  (((
143 -
144 -
145 -
146 146  How to parse the reading of the return command of the parameter：
131 +)))
147 147  
148 -(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
133 +(% class="box infomessage" %)
134 +(((
135 +**Example:** RETURN1：01 03 02 08 FD 7E 05
149 149  )))
150 150  
151 151  * The first byte ARD: slave address code (=001～254)
... ... @@ -158,23 +158,17 @@
158 158  (% class="wikigeneratedid" %)
159 159  (((
160 160  
161 -
162 -
163 -
164 164  )))
165 165  
166 166  === **1.3.3 How to configure RS485-LN and parse output commands** ===
167 167  
168 -
169 169  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
170 170  
171 171  
155 +==== **1.3.3.1 via AT COMMAND:** ====
172 172  
173 -==== **1.3.3.1 via AT COMMAND** ====
157 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
174 174  
175 -
176 -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.
177 -
178 178  (((
179 179  If the configured parameters and commands are incorrect, the return value is not obtained.
180 180  )))
... ... @@ -186,7 +186,7 @@
186 186  
187 187  (% class="box infomessage" %)
188 188  (((
189 - (% _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
170 + AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
190 190  )))
191 191  
192 192  a:  length for the return of AT+COMMAND
... ... @@ -220,54 +220,52 @@
220 220  
221 221  (((
222 222  
223 -
224 -
225 225  )))
226 226  
227 227  (((
228 -(% style="color:blue" %)**Example**:
207 +(% style="color:#4f81bd" %)**Example**:
229 229  
230 -(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
209 +CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
231 231  )))
232 232  
233 233  (((
234 -RETURN1: 01 03 02 00 02 39 85 00 00(return data)
213 +RETURN1:01 03 02 00 02 39 85 00 00(return data)
235 235  )))
236 236  
237 237  (((
238 -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.
217 +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.
239 239  
240 240  
241 241  )))
242 242  
243 243  (((
244 -(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
223 +CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
245 245  )))
246 246  
247 247  (((
248 -RETURN2: 01 03 02 08 DC BE 1D(return data)
227 +RETURN2:01 03 02 08 DC BE 1D(return data)
249 249  )))
250 250  
251 251  (((
252 -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.
231 +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.
253 253  
254 254  
255 255  )))
256 256  
257 257  (((
258 -(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
237 +CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
259 259  )))
260 260  
261 261  (((
262 -RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
241 +RETURN3:01 03 04 00 00 00 44 FA 00(return data)
263 263  )))
264 264  
265 265  (((
266 -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.
245 +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.
267 267  )))
268 268  
269 269  (((
270 -Payload: 01 00 02 39 85 08 DC 00 00 00 44
249 +Payload:01 00 02 39 85 08 DC 00 00 00 44
271 271  )))
272 272  
273 273  [[image:image-20220601142936-6.png]]
... ... @@ -275,19 +275,17 @@
275 275  AT COMMAND
276 276  
277 277  
278 -
279 279  (% 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.**
280 280  
281 281  
260 +
282 282  [[image:image-20220601143642-2.png]]
283 283  
284 284  AT COMMAND
285 285  
286 286  
287 -
288 288  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
289 289  
290 -
291 291  [[image:image-20220527093358-15.png]]
292 292  
293 293  (((
... ... @@ -310,9 +310,7 @@
310 310  )))
311 311  
312 312  (((
313 -(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
314 -
315 -
290 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
316 316  )))
317 317  
318 318  (((
... ... @@ -350,7 +350,7 @@
350 350  (((
351 351  
352 352  
353 -(% style="color:blue" %)**Example:**
328 +(% style="color:#4f81bd" %)**Example:**
354 354  )))
355 355  
356 356  (((
... ... @@ -357,7 +357,7 @@
357 357  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
358 358  )))
359 359  
360 -[[image:image-20220601144149-6.png]]
335 +[[image:image-20220527093430-16.png]]
361 361  
362 362  DOWNLINK
363 363  
... ... @@ -369,13 +369,13 @@
369 369  
370 370  
371 371  
372 -[[image:image-20220601144053-5.png]]
347 +[[image:image-20220527093530-18.png]]
373 373  
374 374  DOWNLINK
375 375  
376 376  
377 377  
378 -[[image:image-20220601143921-4.png]]
353 +[[image:image-20220527093607-19.png]]
379 379  
380 380  DOWNLINK
381 381  
... ... @@ -386,10 +386,8 @@
386 386  DOWNLINK
387 387  
388 388  
389 -
390 390  === **1.3.4 How to configure and output commands for RS485 to USB** ===
391 391  
392 -
393 393  (((
394 394  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.
395 395  )))
... ... @@ -408,8 +408,6 @@
408 408  
409 409  (((
410 410  check digit: Even
411 -
412 -
413 413  )))
414 414  
415 415  [[image:image-20220527093708-21.png]]
... ... @@ -426,18 +426,14 @@
426 426  
427 427  (((
428 428  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.
429 -
430 -
431 431  )))
432 432  
433 433  (((
434 -(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
403 +(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
435 435  )))
436 436  
437 437  (((
438 438   output：01 03 04 00 00 00 42 7A 02
439 -
440 -
441 441  )))
442 442  
443 443  [[image:image-20220527093821-23.png]]
... ... @@ -445,10 +445,8 @@
445 445  USB
446 446  
447 447  
448 -
449 449  === **1.3.5 How to configure multiple devices and modify device addresses** ===
450 450  
451 -
452 452  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.
453 453  
454 454  (((
... ... @@ -460,14 +460,12 @@
460 460  [[image:image-20220601142044-1.png]]
461 461  
462 462  
463 -(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
428 +**Example**:These two meters are examples of setting parameters and device addresses.
464 464  
465 465  [[image:image-20220527093950-25.png]]
466 466  
467 -
468 468  [[image:image-20220527094028-26.png]]
469 469  
470 -
471 471  (((
472 472  (((
473 473  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.
... ... @@ -476,7 +476,7 @@
476 476  
477 477  (((
478 478  (((
479 -We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address.
442 +We can use AT+CFGDEV to set the device address.
480 480  )))
481 481  )))
482 482  
... ... @@ -488,7 +488,6 @@
488 488  
489 489  [[image:image-20220601142354-2.png]]
490 490  
491 -
492 492  (% class="box infomessage" %)
493 493  (((
494 494  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -519,59 +519,41 @@
519 519  
520 520  [[image:image-20220601142607-4.png]]
521 521  
484 +**PAYLOAD:01 08 DF 43 62**
522 522  
523 -(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62**
524 -
525 525  * 08 DF is the valid value of the meter with device address 02.
526 526  * 43 62 is the valid value of the meter with device address 01.
527 527  
528 -
529 -
530 -
531 531  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
532 532  
491 +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:
533 533  
534 -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.
535 -
536 -The structure is like below:
537 -
538 538  [[image:image-20220527094330-30.png]]
539 539  
540 540  Connection
541 541  
497 +* [[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
542 542  
543 -* 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"]]
544 -
545 -
546 -
547 -
548 548  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
549 549  
550 -
551 551  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:
552 552  
553 -* 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);"]]
554 -* 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"]]
503 +* [[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
555 555  
505 +* [[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
556 556  
557 557  
508 +== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
558 558  
559 -== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
560 -
561 -
562 562  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:
563 563  
564 -* 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);"]]
512 +* [[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
565 565  
566 566  
515 +== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
567 567  
568 -
569 -== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
570 -
571 -
572 572  [[image:image-20220527094556-31.png]]
573 573  
574 574  Network Structure
575 575  
576 -
577 577  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
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