Last modified by Karry Zhuang on 2024/07/11 11:58
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From version < 57.12 >
edited by Xiaoling
on 2022/07/14 09:48
To version < 60.13 >
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1 -(% class="wikigeneratedid" %)
2 -*
3 -** Table of** **Contents:
1 +**Table of Contents:**
4 4  
5 5  {{toc/}}
6 6  
... ... @@ -9,75 +9,87 @@
9 9  
10 10  
11 11  
12 -= **1. Introduction** =
10 += 1. Introduction =
13 13  
14 14  
15 15  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
16 16  
17 17  
18 -== **1.1 Example 1: Connect to Leak relay and VFD** ==
16 +== 1.1 Example 1: Connect to Leak relay and VFD ==
19 19  
20 20  
21 21  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:
22 22  
23 -[[image:image-20220527091852-1.png]]
24 24  
25 -Connection
22 +[[image:image-20220527091852-1.png||height="547" width="994"]]
26 26  
24 +**Connection**
27 27  
28 28  
27 +
29 29  [[image:image-20220527091942-2.png]](% style="display:none" %)
30 30  
31 -Connection
30 +**Connection**
32 32  
33 33  
34 -Related documents:
33 +(% style="color:blue" %)**Related documents:**
35 35  
36 -* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
37 -* [[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 +* 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);"]]
36 +
37 +* 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);"]]
38 +
38 38  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
39 39  
40 -== **1.2 Example 2: Connect to Pulse Counter** ==
41 41  
42 42  
43 +== 1.2 Example 2: Connect to Pulse Counter ==
44 +
45 +
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 45  
46 -[[image:image-20220527092058-3.png]]
49 +[[image:image-20220527092058-3.png||height="552" width="905"]]
47 47  
48 -Connection
51 +**Connection**
49 49  
50 50  
51 51  
52 -[[image:image-20220527092146-4.png]]
55 +[[image:image-20220527092146-4.png||height="507" width="906"]]
53 53  
54 -Connection
57 +**Connection**
55 55  
56 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/]]
60 +(% style="color:blue" %)**Related documents:**
61 +
62 +* 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"]]
63 +
58 58  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
59 59  
60 -== **1.3 Example3: Use RS485-LN with energy meters** ==
61 61  
62 -=== **1.3.1 OverView** ===
63 63  
68 +== 1.3 Example 3: Use RS485-LN with energy meters ==
64 64  
70 +=== 1.3.1 OverView ===
71 +
72 +
65 65  (((
66 -(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
74 +(% style="color:red" %)**Note**：**The specifications of each energy meter are different, please refer to your own energy meter specifications.**
67 67  )))
68 68  
69 69  (((
70 70  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
79 +
80 +
71 71  )))
72 72  
73 73  [[image:image-20220527092419-5.png]]
74 74  
75 -Connection1
85 +**Connection1**
76 76  
77 77  
78 78  
79 79  (((
80 -**How to connect with Energy Meter：**
90 +(% style="color:blue" %)**How to connect with Energy Meter：**
81 81  
82 82  
83 83  )))
... ... @@ -91,29 +91,31 @@
91 91  )))
92 92  
93 93  (((
94 -Power Source VIN to RS485-LN VIN+
104 +Power Source **VIN** to RS485-LN **VIN+**
95 95  )))
96 96  
97 97  (((
98 -Power Source GND to RS485-LN VIN-
108 +Power Source **GND** to RS485-LN **VIN-**
99 99  )))
100 100  
101 101  (((
102 102  Once there is power, the RS485-LN will be on.
113 +
114 +
103 103  )))
104 104  
105 105  [[image:image-20220527092514-6.png]]
106 106  
107 -Connection2
119 +**Connection2**
108 108  
109 109  
110 110  
111 111  [[image:image-20220527092555-7.png]]
112 112  
113 -Connection3
125 +**Connection3**
114 114  
115 115  
116 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
128 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
117 117  
118 118  
119 119  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.
... ... @@ -124,9 +124,13 @@
124 124  (% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
125 125  
126 126  * The first byte : slave address code (=001～247)
139 +
127 127  * The second byte : read register value function code
141 +
128 128  * 3rd and 4th bytes: start address of register to be read
143 +
129 129  * 5th and 6th bytes: Number of registers to read
145 +
130 130  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
131 131  
132 132  (((
... ... @@ -139,23 +139,22 @@
139 139  )))
140 140  
141 141  * The first byte ARD: slave address code (=001～254)
158 +
142 142  * The second byte: Return to read function code
160 +
143 143  * 3rd byte: total number of bytes
162 +
144 144  * 4th～5th bytes: register data
164 +
145 145  * The 6th and 7th bytes: CRC16 checksum
166 +
146 146  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
147 147  
148 -(% class="wikigeneratedid" %)
149 -(((
150 -
151 151  
152 152  
153 -
154 -)))
171 +=== 1.3.3 How to configure RS485-LN and parse output commands ===
155 155  
156 -=== **1.3.3 How to configure RS485-LN and parse output commands** ===
157 157  
158 -
159 159  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
160 160  
161 161  
... ... @@ -166,16 +166,18 @@
166 166  
167 167  (((
168 168  If the configured parameters and commands are incorrect, the return value is not obtained.
184 +
185 +
169 169  )))
170 170  
171 171  [[image:image-20220601143201-9.png]]
172 172  
173 -AT COMMAND
190 +**AT COMMAND**
174 174  
175 175  
176 176  (% class="box infomessage" %)
177 177  (((
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
195 + (% _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
179 179  )))
180 180  
181 181  a:  length for the return of AT+COMMAND
... ... @@ -186,16 +186,15 @@
186 186  
187 187  [[image:image-20220601143115-8.png]]
188 188  
189 -AT COMMAND
206 +**AT COMMAND**
190 190  
191 191  
192 192  
193 193  PAYLOAD is available after the valid value is intercepted.
194 194  
195 -
196 196  [[image:image-20220601143046-7.png]]
197 197  
198 -AT COMMAND
214 +**AT COMMAND**
199 199  
200 200  
201 201  
... ... @@ -204,7 +204,7 @@
204 204  [[image:image-20220601143519-1.png]]
205 205  
206 206  (((
207 -AT COMMAND
223 +**AT COMMAND**
208 208  )))
209 209  
210 210  (((
... ... @@ -214,7 +214,7 @@
214 214  (((
215 215  (% style="color:blue" %)**Example**:
216 216  
217 -CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
233 +(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
218 218  )))
219 219  
220 220  (((
... ... @@ -228,7 +228,7 @@
228 228  )))
229 229  
230 230  (((
231 -CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
247 +(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
232 232  )))
233 233  
234 234  (((
... ... @@ -242,7 +242,7 @@
242 242  )))
243 243  
244 244  (((
245 -CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
261 +(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
246 246  )))
247 247  
248 248  (((
... ... @@ -262,14 +262,16 @@
262 262  AT COMMAND
263 263  
264 264  
265 -(% 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.**
266 266  
282 +(% style="color:blue" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
267 267  
284 +
268 268  [[image:image-20220601143642-2.png]]
269 269  
270 270  AT COMMAND
271 271  
272 272  
290 +
273 273  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
274 274  
275 275  
... ... @@ -276,15 +276,13 @@
276 276  [[image:image-20220527093358-15.png]]
277 277  
278 278  (((
279 -DOWNLINK
297 +**DOWNLINK**
280 280  )))
281 281  
282 -(((
283 -
284 -)))
285 285  
301 +
286 286  (((
287 -(% style="color:#4f81bd" %)**Type Code 0xAF**
303 +(% style="color:blue" %)**Type Code 0xAF**
288 288  )))
289 289  
290 290  (((
... ... @@ -295,7 +295,7 @@
295 295  )))
296 296  
297 297  (((
298 -(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
314 +(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
299 299  )))
300 300  
301 301  (((
... ... @@ -330,9 +330,8 @@
330 330  will execute an uplink after got this command.
331 331  )))
332 332  
333 -(((
334 -
335 335  
350 +(((
336 336  (% style="color:blue" %)**Example:**
337 337  )))
338 338  
... ... @@ -342,35 +342,36 @@
342 342  
343 343  [[image:image-20220601144149-6.png]]
344 344  
345 -DOWNLINK
360 +**DOWNLINK**
346 346  
347 347  
348 348  
349 349  [[image:image-20220601143803-3.png]]
350 350  
351 -DOWNLINK
366 +**DOWNLINK**
352 352  
353 353  
354 354  
355 355  [[image:image-20220601144053-5.png]]
356 356  
357 -DOWNLINK
372 +**DOWNLINK**
358 358  
359 359  
360 360  
361 361  [[image:image-20220601143921-4.png]]
362 362  
363 -DOWNLINK
378 +**DOWNLINK**
364 364  
365 365  
366 366  
367 367  [[image:image-20220601142805-5.png]]
368 368  
369 -DOWNLINK
370 -
384 +**DOWNLINK**
371 371  
372 -=== **1.3.4 How to configure and output commands for RS485 to USB** ===
373 373  
387 +=== 1.3.4 How to configure and output commands for RS485 to USB ===
388 +
389 +
374 374  (((
375 375  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.
376 376  )))
... ... @@ -395,20 +395,18 @@
395 395  
396 396  [[image:image-20220527093708-21.png]]
397 397  
398 -USB
414 +**USB**
399 399  
400 400  
401 401  
402 402  [[image:image-20220527093747-22.png]]
403 403  
404 -USB
420 +**USB**
405 405  
406 406  
407 407  
408 408  (((
409 409  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 -
412 412  )))
413 413  
414 414  (((
... ... @@ -423,12 +423,13 @@
423 423  
424 424  [[image:image-20220527093821-23.png]]
425 425  
426 -USB
440 +**USB**
427 427  
428 428  
429 -=== **1.3.5 How to configure multiple devices and modify device addresses** ===
430 430  
444 +=== 1.3.5 How to configure multiple devices and modify device addresses ===
431 431  
446 +
432 432  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.
433 433  
434 434  (((
... ... @@ -442,6 +442,7 @@
442 442  
443 443  (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
444 444  
460 +
445 445  [[image:image-20220527093950-25.png]]
446 446  
447 447  
... ... @@ -456,7 +456,7 @@
456 456  
457 457  (((
458 458  (((
459 -We can use **AT+CFGDEV** to set the device address.
475 +We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address.
460 460  )))
461 461  )))
462 462  
... ... @@ -474,9 +474,9 @@
474 474  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
475 475  )))
476 476  
477 -* 01:device adaress
493 +* 01: device adaress
478 478  
479 -* 10:function code
495 +* 10: function code
480 480  
481 481  * 00 61：Register address
482 482  
... ... @@ -500,14 +500,14 @@
500 500  [[image:image-20220601142607-4.png]]
501 501  
502 502  
503 -**PAYLOAD:01 08 DF 43 62**
519 +(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62**
504 504  
505 505  * 08 DF is the valid value of the meter with device address 02.
506 506  * 43 62 is the valid value of the meter with device address 01.
507 507  
524 +(% style="display:none" %) (%%)
508 508  
509 509  
510 -
511 511  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
512 512  
513 513  
... ... @@ -517,35 +517,39 @@
517 517  
518 518  [[image:image-20220527094330-30.png]]
519 519  
520 -Connection
536 +**Connection**
521 521  
522 522  
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/]]
539 +* 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"]]
524 524  
525 525  
526 526  
527 -
528 528  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
529 529  
530 530  
531 531  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:
532 532  
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]]
548 +* 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);"]]
535 535  
550 +* 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"]]
536 536  
537 537  
538 538  
539 -== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
554 +== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
540 540  
556 +
541 541  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:
542 542  
543 -* [[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
559 +* 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);"]]
544 544  
545 -== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
546 546  
562 +
563 +== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
564 +
565 +
547 547  [[image:image-20220527094556-31.png]]
548 548  
549 549  Network Structure
550 550  
570 +
551 551  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]

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