Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 37.1 >
edited by Xiaoling
on 2022/05/27 09:45
To version < 57.13 >
edited by Xiaoling
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1 1  (% class="wikigeneratedid" %)
2 - **Contents:**
2 +*
3 +** Table of** **Contents:
3 3  
4 4  {{toc/}}
5 5  
6 -= 1. Introduction =
7 7  
8 +
9 +
10 +
11 +
12 += **1. Introduction** =
13 +
14 +
8 8  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
9 9  
10 -== 1.1 Example 1: Connect to Leak relay and VFD ==
11 11  
18 +== **1.1 Example 1: Connect to Leak relay and VFD** ==
19 +
20 +
12 12  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:
13 13  
14 14  [[image:image-20220527091852-1.png]]
... ... @@ -28,30 +28,33 @@
28 28  * [[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.
29 29  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
30 30  
31 -== 1.2 Example 2: Connect to Pulse Counter ==
40 +== **1.2 Example 2: Connect to Pulse Counter** ==
32 32  
42 +
33 33  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:
34 34  
45 +
35 35  [[image:image-20220527092058-3.png]]
36 36  
37 37  Connection
38 38  
39 39  
51 +
40 40  [[image:image-20220527092146-4.png]]
41 41  
42 42  Connection
43 43  
44 -* [[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/]]
45 45  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
46 46  
47 -== ==
60 +== **1.3 Example3: Use RS485-LN with energy meters** ==
48 48  
49 -== 1.3 Example3: Use RS485-LN with energy meters ==
62 +=== **1.3.1 OverView** ===
50 50  
51 -=== 1.3.1 OverView ===
52 52  
53 53  (((
54 -**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.
55 55  )))
56 56  
57 57  (((
... ... @@ -63,8 +63,11 @@
63 63  Connection1
64 64  
65 65  
78 +
66 66  (((
67 -How to connect with Energy Meter：
80 +**How to connect with Energy Meter：**
81 +
82 +
68 68  )))
69 69  
70 70  (((
... ... @@ -92,22 +92,21 @@
92 92  Connection2
93 93  
94 94  
110 +
95 95  [[image:image-20220527092555-7.png]]
96 96  
97 97  Connection3
98 98  
99 99  
100 -=== 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** ===
101 101  
118 +
102 102  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.
103 103  
104 -[[image:image-20220527092629-8.png]]
121 +[[image:image-20220601143257-10.png]]
105 105  
106 106  
107 -(% class="box infomessage" %)
108 -(((
109 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
110 -)))
124 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
111 111  
112 112  * The first byte : slave address code (=001～247)
113 113  * The second byte : read register value function code
... ... @@ -116,12 +116,12 @@
116 116  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
117 117  
118 118  (((
133 +
134 +
135 +
119 119  How to parse the reading of the return command of the parameter：
120 -)))
121 121  
122 -(% class="box infomessage" %)
123 -(((
124 -**Example:** RETURN1：01 03 02 08 FD 7E 05
138 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
125 125  )))
126 126  
127 127  * The first byte ARD: slave address code (=001～254)
... ... @@ -134,22 +134,27 @@
134 134  (% class="wikigeneratedid" %)
135 135  (((
136 136  
151 +
152 +
153 +
137 137  )))
138 138  
139 -=== 1.3.3 How to configure RS485-LN and parse output commands ===
156 +=== **1.3.3 How to configure RS485-LN and parse output commands** ===
140 140  
158 +
141 141  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
142 142  
143 143  
144 -==== 1.3.3.1 via AT COMMAND: ====
162 +==== **1.3.3.1 via AT COMMAND** ====
145 145  
146 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
147 147  
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 +
148 148  (((
149 149  If the configured parameters and commands are incorrect, the return value is not obtained.
150 150  )))
151 151  
152 -[[image:image-20220527092748-9.png]]
171 +[[image:image-20220601143201-9.png]]
153 153  
154 154  AT COMMAND
155 155  
... ... @@ -156,31 +156,33 @@
156 156  
157 157  (% class="box infomessage" %)
158 158  (((
159 - 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
160 160  )))
161 161  
162 -a: length for the return of AT+COMMAND
181 +a:  length for the return of AT+COMMAND
163 163  
164 -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.
165 165  
166 -c: define the position for valid value.
185 +c:  define the position for valid value.
167 167  
168 -[[image:image-20220527092936-10.png]]
187 +[[image:image-20220601143115-8.png]]
169 169  
170 170  AT COMMAND
171 171  
172 172  
192 +
173 173  PAYLOAD is available after the valid value is intercepted.
174 174  
175 175  
176 -[[image:image-20220527093059-11.png]]
196 +[[image:image-20220601143046-7.png]]
177 177  
178 178  AT COMMAND
179 179  
180 180  
201 +
181 181  You can get configured PAYLOAD on TTN.
182 182  
183 -[[image:image-20220527093133-12.png]]
204 +[[image:image-20220601143519-1.png]]
184 184  
185 185  (((
186 186  AT COMMAND
... ... @@ -191,46 +191,52 @@
191 191  )))
192 192  
193 193  (((
194 -**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
215 +(% style="color:blue" %)**Example**:
216 +
217 +CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
195 195  )))
196 196  
197 197  (((
198 -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)
199 199  )))
200 200  
201 201  (((
202 -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.
226 +
227 +
203 203  )))
204 204  
205 205  (((
206 -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
207 207  )))
208 208  
209 209  (((
210 -RETURN2:01 03 02 08 DC BE 1D(return data)
235 +RETURN2: 01 03 02 08 DC BE 1D(return data)
211 211  )))
212 212  
213 213  (((
214 -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.
240 +
241 +
215 215  )))
216 216  
217 217  (((
218 -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
219 219  )))
220 220  
221 221  (((
222 -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)
223 223  )))
224 224  
225 225  (((
226 -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.
227 227  )))
228 228  
229 229  (((
230 -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
231 231  )))
232 232  
233 -[[image:image-20220527093204-13.png]]
260 +[[image:image-20220601142936-6.png]]
234 234  
235 235  AT COMMAND
236 236  
... ... @@ -237,13 +237,15 @@
237 237  
238 238  (% 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.**
239 239  
240 -[[image:image-20220527093251-14.png]]
241 241  
268 +[[image:image-20220601143642-2.png]]
269 +
242 242  AT COMMAND
243 243  
244 244  
245 -==== 1.3.3.2 via LoRaWAN DOWNLINK ====
273 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
246 246  
275 +
247 247  [[image:image-20220527093358-15.png]]
248 248  
249 249  (((
... ... @@ -255,7 +255,7 @@
255 255  )))
256 256  
257 257  (((
258 -**Type Code 0xAF**
287 +(% style="color:#4f81bd" %)**Type Code 0xAF**
259 259  )))
260 260  
261 261  (((
... ... @@ -266,7 +266,7 @@
266 266  )))
267 267  
268 268  (((
269 -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.
270 270  )))
271 271  
272 272  (((
... ... @@ -302,39 +302,45 @@
302 302  )))
303 303  
304 304  (((
305 -Example:
334 +
335 +
336 +(% style="color:blue" %)**Example:**
306 306  )))
307 307  
308 308  (((
309 -AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
340 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
310 310  )))
311 311  
312 -[[image:image-20220527093430-16.png]]
343 +[[image:image-20220601144149-6.png]]
313 313  
314 314  DOWNLINK
315 315  
316 316  
317 -[[image:image-20220527093508-17.png]]
318 318  
349 +[[image:image-20220601143803-3.png]]
350 +
319 319  DOWNLINK
320 320  
321 321  
322 -[[image:image-20220527093530-18.png]]
323 323  
355 +[[image:image-20220601144053-5.png]]
356 +
324 324  DOWNLINK
325 325  
326 326  
327 -[[image:image-20220527093607-19.png]]
328 328  
361 +[[image:image-20220601143921-4.png]]
362 +
329 329  DOWNLINK
330 330  
331 331  
332 -[[image:image-20220527093628-20.png]]
333 333  
367 +[[image:image-20220601142805-5.png]]
368 +
334 334  DOWNLINK
335 335  
336 336  
337 -=== 1.3.4 How to configure and output commands for RS485 to USB ===
372 +=== **1.3.4 How to configure and output commands for RS485 to USB** ===
338 338  
339 339  (((
340 340  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.
... ... @@ -354,6 +354,8 @@
354 354  
355 355  (((
356 356  check digit: Even
392 +
393 +
357 357  )))
358 358  
359 359  [[image:image-20220527093708-21.png]]
... ... @@ -361,21 +361,27 @@
361 361  USB
362 362  
363 363  
401 +
364 364  [[image:image-20220527093747-22.png]]
365 365  
366 366  USB
367 367  
368 368  
407 +
369 369  (((
370 370  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 +
371 371  )))
372 372  
373 373  (((
374 -**Example:**  input：01 03 00 31 00 02 95 c4
415 +(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
375 375  )))
376 376  
377 377  (((
378 378   output：01 03 04 00 00 00 42 7A 02
420 +
421 +
379 379  )))
380 380  
381 381  [[image:image-20220527093821-23.png]]
... ... @@ -383,8 +383,9 @@
383 383  USB
384 384  
385 385  
386 -=== 1.3.5 How to configure multiple devices and modify device addresses ===
429 +=== **1.3.5 How to configure multiple devices and modify device addresses** ===
387 387  
431 +
388 388  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.
389 389  
390 390  (((
... ... @@ -393,15 +393,17 @@
393 393  )))
394 394  )))
395 395  
396 -[[image:image-20220527093849-24.png]]
440 +[[image:image-20220601142044-1.png]]
397 397  
398 398  
399 -**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.
400 400  
401 401  [[image:image-20220527093950-25.png]]
402 402  
447 +
403 403  [[image:image-20220527094028-26.png]]
404 404  
450 +
405 405  (((
406 406  (((
407 407  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.
... ... @@ -410,7 +410,7 @@
410 410  
411 411  (((
412 412  (((
413 -We can use AT+CFGDEV to set the device address.
459 +We can use **AT+CFGDEV** to set the device address.
414 414  )))
415 415  )))
416 416  
... ... @@ -420,8 +420,9 @@
420 420  )))
421 421  )))
422 422  
423 -[[image:image-20220527094100-27.png]]
469 +[[image:image-20220601142354-2.png]]
424 424  
471 +
425 425  (% class="box infomessage" %)
426 426  (((
427 427  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -447,46 +447,64 @@
447 447  
448 448  Its default device address is 01, and the following are the parameters for configuring two energy meters.
449 449  
450 -[[image:image-20220527094150-28.png]]
497 +[[image:image-20220601142452-3.png]]
451 451  
452 452  
453 -[[image:image-20220527094224-29.png]]
500 +[[image:image-20220601142607-4.png]]
454 454  
455 -PAYLOAD:01 08 DF 43 62
456 456  
503 +**PAYLOAD:01 08 DF 43 62**
504 +
457 457  * 08 DF is the valid value of the meter with device address 02.
458 458  * 43 62 is the valid value of the meter with device address 01.
459 459  
460 460  
509 +
510 +
461 461  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
462 462  
463 -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:
464 464  
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 +
465 465  [[image:image-20220527094330-30.png]]
466 466  
467 467  Connection
468 468  
469 -* [[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
470 470  
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/]]
471 471  
525 +
526 +
527 +
472 472  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
473 473  
530 +
474 474  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:
475 475  
476 -* [[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]]
477 477  
478 -* [[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
479 479  
537 +
538 +
480 480  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
481 481  
541 +
482 482  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:
483 483  
484 -* [[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
544 +* 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);"]]
485 485  
546 +
547 +
548 +
486 486  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
487 487  
488 -[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
489 489  
552 +[[image:image-20220527094556-31.png]]
553 +
490 490  Network Structure
491 491  
556 +
492 492  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
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