Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 41.8 >
edited by Xiaoling
on 2022/05/31 09:39
To version < 57.15 >
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]]
... ... @@ -28,37 +28,46 @@
28 28  Connection
29 29  
30 30  
31 -Related documents:
32 +(% style="color:blue" %)**Related documents:**
32 32  
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.
34 +* System Structure:  [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||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/||style="background-color: rgb(255, 255, 255);"]]
35 35  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
36 36  
37 37  
39 +
38 38  == **1.2 Example 2: Connect to Pulse Counter** ==
39 39  
42 +
40 40  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:
41 41  
45 +
42 42  [[image:image-20220527092058-3.png]]
43 43  
44 44  Connection
45 45  
46 46  
51 +
47 47  [[image:image-20220527092146-4.png]]
48 48  
49 49  Connection
50 50  
51 -* [[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 +(% 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/]]
52 52  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
53 53  
54 -== ==
55 55  
63 +
64 +
56 56  == **1.3 Example3: Use RS485-LN with energy meters** ==
57 57  
58 58  === **1.3.1 OverView** ===
59 59  
69 +
60 60  (((
61 -**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
71 +(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
62 62  )))
63 63  
64 64  (((
... ... @@ -70,8 +70,11 @@
70 70  Connection1
71 71  
72 72  
83 +
73 73  (((
74 -How to connect with Energy Meter：
85 +**How to connect with Energy Meter：**
86 +
87 +
75 75  )))
76 76  
77 77  (((
... ... @@ -99,6 +99,7 @@
99 99  Connection2
100 100  
101 101  
115 +
102 102  [[image:image-20220527092555-7.png]]
103 103  
104 104  Connection3
... ... @@ -106,15 +106,13 @@
106 106  
107 107  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
108 108  
123 +
109 109  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.
110 110  
111 -[[image:image-20220527092629-8.png]]
126 +[[image:image-20220601143257-10.png]]
112 112  
113 113  
114 -(% class="box infomessage" %)
115 -(((
116 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
117 -)))
129 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
118 118  
119 119  * The first byte : slave address code (=001～247)
120 120  * The second byte : read register value function code
... ... @@ -123,12 +123,12 @@
123 123  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
124 124  
125 125  (((
138 +
139 +
140 +
126 126  How to parse the reading of the return command of the parameter：
127 -)))
128 128  
129 -(% class="box infomessage" %)
130 -(((
131 -**Example:** RETURN1：01 03 02 08 FD 7E 05
143 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
132 132  )))
133 133  
134 134  * The first byte ARD: slave address code (=001～254)
... ... @@ -141,22 +141,27 @@
141 141  (% class="wikigeneratedid" %)
142 142  (((
143 143  
156 +
157 +
158 +
144 144  )))
145 145  
146 146  === **1.3.3 How to configure RS485-LN and parse output commands** ===
147 147  
163 +
148 148  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
149 149  
150 150  
151 -==== **1.3.3.1 via AT COMMAND:** ====
167 +==== **1.3.3.1 via AT COMMAND** ====
152 152  
153 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
154 154  
170 +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.
171 +
155 155  (((
156 156  If the configured parameters and commands are incorrect, the return value is not obtained.
157 157  )))
158 158  
159 -[[image:image-20220527092748-9.png]]
176 +[[image:image-20220601143201-9.png]]
160 160  
161 161  AT COMMAND
162 162  
... ... @@ -163,31 +163,33 @@
163 163  
164 164  (% class="box infomessage" %)
165 165  (((
166 - AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
183 + **AT+DATACUTx **:  This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
167 167  )))
168 168  
169 -a: length for the return of AT+COMMAND
186 +a:  length for the return of AT+COMMAND
170 170  
171 -b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
188 +b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
172 172  
173 -c: define the position for valid value.
190 +c:  define the position for valid value.
174 174  
175 -[[image:image-20220527092936-10.png]]
192 +[[image:image-20220601143115-8.png]]
176 176  
177 177  AT COMMAND
178 178  
179 179  
197 +
180 180  PAYLOAD is available after the valid value is intercepted.
181 181  
182 182  
183 -[[image:image-20220527093059-11.png]]
201 +[[image:image-20220601143046-7.png]]
184 184  
185 185  AT COMMAND
186 186  
187 187  
206 +
188 188  You can get configured PAYLOAD on TTN.
189 189  
190 -[[image:image-20220527093133-12.png]]
209 +[[image:image-20220601143519-1.png]]
191 191  
192 192  (((
193 193  AT COMMAND
... ... @@ -198,52 +198,52 @@
198 198  )))
199 199  
200 200  (((
201 -(% style="color:#4f81bd" %)**Example**:
220 +(% style="color:blue" %)**Example**:
202 202  
203 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
222 +CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
204 204  )))
205 205  
206 206  (((
207 -RETURN1:01 03 02 00 02 39 85 00 00(return data)
226 +RETURN1: 01 03 02 00 02 39 85 00 00(return data)
208 208  )))
209 209  
210 210  (((
211 -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.
230 +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.
212 212  
213 213  
214 214  )))
215 215  
216 216  (((
217 -CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
236 +CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
218 218  )))
219 219  
220 220  (((
221 -RETURN2:01 03 02 08 DC BE 1D(return data)
240 +RETURN2: 01 03 02 08 DC BE 1D(return data)
222 222  )))
223 223  
224 224  (((
225 -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.
244 +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.
226 226  
227 227  
228 228  )))
229 229  
230 230  (((
231 -CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
250 +CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
232 232  )))
233 233  
234 234  (((
235 -RETURN3:01 03 04 00 00 00 44 FA 00(return data)
254 +RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
236 236  )))
237 237  
238 238  (((
239 -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.
258 +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.
240 240  )))
241 241  
242 242  (((
243 -Payload:01 00 02 39 85 08 DC 00 00 00 44
262 +Payload: 01 00 02 39 85 08 DC 00 00 00 44
244 244  )))
245 245  
246 -[[image:image-20220527093204-13.png]]
265 +[[image:image-20220601142936-6.png]]
247 247  
248 248  AT COMMAND
249 249  
... ... @@ -250,13 +250,15 @@
250 250  
251 251  (% 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.**
252 252  
253 -[[image:image-20220527093251-14.png]]
254 254  
273 +[[image:image-20220601143642-2.png]]
274 +
255 255  AT COMMAND
256 256  
257 257  
258 258  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
259 259  
280 +
260 260  [[image:image-20220527093358-15.png]]
261 261  
262 262  (((
... ... @@ -279,7 +279,7 @@
279 279  )))
280 280  
281 281  (((
282 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
303 +(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
283 283  )))
284 284  
285 285  (((
... ... @@ -315,7 +315,9 @@
315 315  )))
316 316  
317 317  (((
318 -(% style="color:#4f81bd" %)**Example:**
339 +
340 +
341 +(% style="color:blue" %)**Example:**
319 319  )))
320 320  
321 321  (((
... ... @@ -322,28 +322,32 @@
322 322  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
323 323  )))
324 324  
325 -[[image:image-20220527093430-16.png]]
348 +[[image:image-20220601144149-6.png]]
326 326  
327 327  DOWNLINK
328 328  
329 329  
330 -[[image:image-20220527093508-17.png]]
331 331  
354 +[[image:image-20220601143803-3.png]]
355 +
332 332  DOWNLINK
333 333  
334 334  
335 -[[image:image-20220527093530-18.png]]
336 336  
360 +[[image:image-20220601144053-5.png]]
361 +
337 337  DOWNLINK
338 338  
339 339  
340 -[[image:image-20220527093607-19.png]]
341 341  
366 +[[image:image-20220601143921-4.png]]
367 +
342 342  DOWNLINK
343 343  
344 344  
345 -[[image:image-20220527093628-20.png]]
346 346  
372 +[[image:image-20220601142805-5.png]]
373 +
347 347  DOWNLINK
348 348  
349 349  
... ... @@ -367,6 +367,8 @@
367 367  
368 368  (((
369 369  check digit: Even
397 +
398 +
370 370  )))
371 371  
372 372  [[image:image-20220527093708-21.png]]
... ... @@ -374,21 +374,27 @@
374 374  USB
375 375  
376 376  
406 +
377 377  [[image:image-20220527093747-22.png]]
378 378  
379 379  USB
380 380  
381 381  
412 +
382 382  (((
383 383  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.
415 +
416 +
384 384  )))
385 385  
386 386  (((
387 -(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
420 +(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
388 388  )))
389 389  
390 390  (((
391 391   output：01 03 04 00 00 00 42 7A 02
425 +
426 +
392 392  )))
393 393  
394 394  [[image:image-20220527093821-23.png]]
... ... @@ -398,6 +398,7 @@
398 398  
399 399  === **1.3.5 How to configure multiple devices and modify device addresses** ===
400 400  
436 +
401 401  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.
402 402  
403 403  (((
... ... @@ -406,15 +406,17 @@
406 406  )))
407 407  )))
408 408  
409 -[[image:image-20220527093849-24.png]]
445 +[[image:image-20220601142044-1.png]]
410 410  
411 411  
412 -**Example**:These two meters are examples of setting parameters and device addresses.
448 +(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
413 413  
414 414  [[image:image-20220527093950-25.png]]
415 415  
452 +
416 416  [[image:image-20220527094028-26.png]]
417 417  
455 +
418 418  (((
419 419  (((
420 420  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.
... ... @@ -423,7 +423,7 @@
423 423  
424 424  (((
425 425  (((
426 -We can use AT+CFGDEV to set the device address.
464 +We can use **AT+CFGDEV** to set the device address.
427 427  )))
428 428  )))
429 429  
... ... @@ -433,8 +433,9 @@
433 433  )))
434 434  )))
435 435  
436 -[[image:image-20220527094100-27.png]]
474 +[[image:image-20220601142354-2.png]]
437 437  
476 +
438 438  (% class="box infomessage" %)
439 439  (((
440 440  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -460,11 +460,12 @@
460 460  
461 461  Its default device address is 01, and the following are the parameters for configuring two energy meters.
462 462  
463 -[[image:image-20220527094150-28.png]]
502 +[[image:image-20220601142452-3.png]]
464 464  
465 465  
466 -[[image:image-20220527094224-29.png]]
505 +[[image:image-20220601142607-4.png]]
467 467  
507 +
468 468  **PAYLOAD:01 08 DF 43 62**
469 469  
470 470  * 08 DF is the valid value of the meter with device address 02.
... ... @@ -474,32 +474,45 @@
474 474  
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  
518 +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.
519 +
520 +The structure is like below:
521 +
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  
527 +* 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/]]
528 +
529 +
530 +
485 485  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
486 486  
533 +
487 487  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:
488 488  
489 -* [[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
536 +* 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);"]]
537 +* 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]]
490 490  
491 -* [[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
492 492  
493 -== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
494 494  
541 +== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
542 +
543 +
495 495  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:
496 496  
497 -* [[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
546 +* 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);"]]
498 498  
499 -== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
500 500  
549 +
550 +== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
551 +
552 +
501 501  [[image:image-20220527094556-31.png]]
502 502  
503 503  Network Structure
504 504  
557 +
505 505  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
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