Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 41.2 >
edited by Xiaoling
on 2022/05/30 11:24
To version < 57.12 >
edited by Xiaoling
on 2022/07/14 09:48
>
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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]]
... ... @@ -34,30 +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  
37 -== 1.2 Example 2: Connect to Pulse Counter ==
40 +== **1.2 Example 2: Connect to Pulse Counter** ==
38 38  
42 +
39 39  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:
40 40  
45 +
41 41  [[image:image-20220527092058-3.png]]
42 42  
43 43  Connection
44 44  
45 45  
51 +
46 46  [[image:image-20220527092146-4.png]]
47 47  
48 48  Connection
49 49  
50 -* [[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/]]
51 51  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
52 52  
53 -== ==
60 +== **1.3 Example3: Use RS485-LN with energy meters** ==
54 54  
55 -== 1.3 Example3: Use RS485-LN with energy meters ==
62 +=== **1.3.1 OverView** ===
56 56  
57 -=== 1.3.1 OverView ===
58 58  
59 59  (((
60 -**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.
61 61  )))
62 62  
63 63  (((
... ... @@ -69,8 +69,11 @@
69 69  Connection1
70 70  
71 71  
78 +
72 72  (((
73 -How to connect with Energy Meter：
80 +**How to connect with Energy Meter：**
81 +
82 +
74 74  )))
75 75  
76 76  (((
... ... @@ -98,22 +98,21 @@
98 98  Connection2
99 99  
100 100  
110 +
101 101  [[image:image-20220527092555-7.png]]
102 102  
103 103  Connection3
104 104  
105 105  
106 -=== 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** ===
107 107  
118 +
108 108  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.
109 109  
110 -[[image:image-20220527092629-8.png]]
121 +[[image:image-20220601143257-10.png]]
111 111  
112 112  
113 -(% class="box infomessage" %)
114 -(((
115 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
116 -)))
124 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
117 117  
118 118  * The first byte : slave address code (=001～247)
119 119  * The second byte : read register value function code
... ... @@ -122,12 +122,12 @@
122 122  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
123 123  
124 124  (((
133 +
134 +
135 +
125 125  How to parse the reading of the return command of the parameter：
126 -)))
127 127  
128 -(% class="box infomessage" %)
129 -(((
130 -**Example:** RETURN1：01 03 02 08 FD 7E 05
138 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
131 131  )))
132 132  
133 133  * The first byte ARD: slave address code (=001～254)
... ... @@ -140,22 +140,27 @@
140 140  (% class="wikigeneratedid" %)
141 141  (((
142 142  
151 +
152 +
153 +
143 143  )))
144 144  
145 145  === **1.3.3 How to configure RS485-LN and parse output commands** ===
146 146  
158 +
147 147  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
148 148  
149 149  
150 -==== **1.3.3.1 via AT COMMAND:** ====
162 +==== **1.3.3.1 via AT COMMAND** ====
151 151  
152 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
153 153  
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 +
154 154  (((
155 155  If the configured parameters and commands are incorrect, the return value is not obtained.
156 156  )))
157 157  
158 -[[image:image-20220527092748-9.png]]
171 +[[image:image-20220601143201-9.png]]
159 159  
160 160  AT COMMAND
161 161  
... ... @@ -162,31 +162,33 @@
162 162  
163 163  (% class="box infomessage" %)
164 164  (((
165 - 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
166 166  )))
167 167  
168 -a: length for the return of AT+COMMAND
181 +a:  length for the return of AT+COMMAND
169 169  
170 -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.
171 171  
172 -c: define the position for valid value.
185 +c:  define the position for valid value.
173 173  
174 -[[image:image-20220527092936-10.png]]
187 +[[image:image-20220601143115-8.png]]
175 175  
176 176  AT COMMAND
177 177  
178 178  
192 +
179 179  PAYLOAD is available after the valid value is intercepted.
180 180  
181 181  
182 -[[image:image-20220527093059-11.png]]
196 +[[image:image-20220601143046-7.png]]
183 183  
184 184  AT COMMAND
185 185  
186 186  
201 +
187 187  You can get configured PAYLOAD on TTN.
188 188  
189 -[[image:image-20220527093133-12.png]]
204 +[[image:image-20220601143519-1.png]]
190 190  
191 191  (((
192 192  AT COMMAND
... ... @@ -197,52 +197,52 @@
197 197  )))
198 198  
199 199  (((
200 -(% style="color:#4f81bd" %)**Example**:
215 +(% style="color:blue" %)**Example**:
201 201  
202 -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
203 203  )))
204 204  
205 205  (((
206 -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)
207 207  )))
208 208  
209 209  (((
210 -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.
211 211  
212 212  
213 213  )))
214 214  
215 215  (((
216 -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
217 217  )))
218 218  
219 219  (((
220 -RETURN2:01 03 02 08 DC BE 1D(return data)
235 +RETURN2: 01 03 02 08 DC BE 1D(return data)
221 221  )))
222 222  
223 223  (((
224 -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.
225 225  
226 226  
227 227  )))
228 228  
229 229  (((
230 -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
231 231  )))
232 232  
233 233  (((
234 -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)
235 235  )))
236 236  
237 237  (((
238 -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.
239 239  )))
240 240  
241 241  (((
242 -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
243 243  )))
244 244  
245 -[[image:image-20220527093204-13.png]]
260 +[[image:image-20220601142936-6.png]]
246 246  
247 247  AT COMMAND
248 248  
... ... @@ -249,13 +249,15 @@
249 249  
250 250  (% 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.**
251 251  
252 -[[image:image-20220527093251-14.png]]
253 253  
268 +[[image:image-20220601143642-2.png]]
269 +
254 254  AT COMMAND
255 255  
256 256  
257 257  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
258 258  
275 +
259 259  [[image:image-20220527093358-15.png]]
260 260  
261 261  (((
... ... @@ -278,7 +278,7 @@
278 278  )))
279 279  
280 280  (((
281 -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.
282 282  )))
283 283  
284 284  (((
... ... @@ -314,7 +314,9 @@
314 314  )))
315 315  
316 316  (((
317 -(% style="color:#4f81bd" %)**Example:**
334 +
335 +
336 +(% style="color:blue" %)**Example:**
318 318  )))
319 319  
320 320  (((
... ... @@ -321,28 +321,32 @@
321 321  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
322 322  )))
323 323  
324 -[[image:image-20220527093430-16.png]]
343 +[[image:image-20220601144149-6.png]]
325 325  
326 326  DOWNLINK
327 327  
328 328  
329 -[[image:image-20220527093508-17.png]]
330 330  
349 +[[image:image-20220601143803-3.png]]
350 +
331 331  DOWNLINK
332 332  
333 333  
334 -[[image:image-20220527093530-18.png]]
335 335  
355 +[[image:image-20220601144053-5.png]]
356 +
336 336  DOWNLINK
337 337  
338 338  
339 -[[image:image-20220527093607-19.png]]
340 340  
361 +[[image:image-20220601143921-4.png]]
362 +
341 341  DOWNLINK
342 342  
343 343  
344 -[[image:image-20220527093628-20.png]]
345 345  
367 +[[image:image-20220601142805-5.png]]
368 +
346 346  DOWNLINK
347 347  
348 348  
... ... @@ -366,6 +366,8 @@
366 366  
367 367  (((
368 368  check digit: Even
392 +
393 +
369 369  )))
370 370  
371 371  [[image:image-20220527093708-21.png]]
... ... @@ -373,21 +373,27 @@
373 373  USB
374 374  
375 375  
401 +
376 376  [[image:image-20220527093747-22.png]]
377 377  
378 378  USB
379 379  
380 380  
407 +
381 381  (((
382 382  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 +
383 383  )))
384 384  
385 385  (((
386 -(% 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
387 387  )))
388 388  
389 389  (((
390 390   output：01 03 04 00 00 00 42 7A 02
420 +
421 +
391 391  )))
392 392  
393 393  [[image:image-20220527093821-23.png]]
... ... @@ -397,6 +397,7 @@
397 397  
398 398  === **1.3.5 How to configure multiple devices and modify device addresses** ===
399 399  
431 +
400 400  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.
401 401  
402 402  (((
... ... @@ -405,15 +405,17 @@
405 405  )))
406 406  )))
407 407  
408 -[[image:image-20220527093849-24.png]]
440 +[[image:image-20220601142044-1.png]]
409 409  
410 410  
411 -**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.
412 412  
413 413  [[image:image-20220527093950-25.png]]
414 414  
447 +
415 415  [[image:image-20220527094028-26.png]]
416 416  
450 +
417 417  (((
418 418  (((
419 419  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.
... ... @@ -422,7 +422,7 @@
422 422  
423 423  (((
424 424  (((
425 -We can use AT+CFGDEV to set the device address.
459 +We can use **AT+CFGDEV** to set the device address.
426 426  )))
427 427  )))
428 428  
... ... @@ -432,8 +432,9 @@
432 432  )))
433 433  )))
434 434  
435 -[[image:image-20220527094100-27.png]]
469 +[[image:image-20220601142354-2.png]]
436 436  
471 +
437 437  (% class="box infomessage" %)
438 438  (((
439 439  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -459,11 +459,12 @@
459 459  
460 460  Its default device address is 01, and the following are the parameters for configuring two energy meters.
461 461  
462 -[[image:image-20220527094150-28.png]]
497 +[[image:image-20220601142452-3.png]]
463 463  
464 464  
465 -[[image:image-20220527094224-29.png]]
500 +[[image:image-20220601142607-4.png]]
466 466  
502 +
467 467  **PAYLOAD:01 08 DF 43 62**
468 468  
469 469  * 08 DF is the valid value of the meter with device address 02.
... ... @@ -471,26 +471,35 @@
471 471  
472 472  
473 473  
510 +
474 474  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
475 475  
476 -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:
477 477  
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 +
478 478  [[image:image-20220527094330-30.png]]
479 479  
480 480  Connection
481 481  
482 -* [[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
483 483  
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/]]
484 484  
485 485  
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  
537 +
538 +
494 494  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
495 495  
496 496  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:
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