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From version < 61.1 >
edited by Bei Jinggeng
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To version < 60.8 >
edited by Xiaoling
on 2022/09/19 16:08
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Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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7 7  
8 8  
9 9  
10 -= 1. Introduction =
10 += **1. Introduction** =
11 11  
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 -== 1.1 Example 1: Connect to Leak relay and VFD ==
17 17  
17 +== **1.1 Example 1: Connect to Leak relay and VFD** ==
18 18  
19 +
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  
22 -[[image:image-20220527091852-1.png||height="547" width="994"]]
23 +[[image:image-20220527091852-1.png]]
23 23  
24 -**Connection**
25 +Connection
25 25  
26 26  
27 27  
28 28  [[image:image-20220527091942-2.png]](% style="display:none" %)
29 29  
30 -**Connection**
31 +Connection
31 31  
32 32  
33 33  (% style="color:blue" %)**Related documents:**
34 34  
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 -
36 +* 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);"]]
37 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 -
39 39  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
40 40  
41 41  
42 -== 1.2 Example 2: Connect to Pulse Counter ==
43 43  
42 +== **1.2 Example 2: Connect to Pulse Counter** ==
44 44  
44 +
45 45  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:
46 46  
47 47  
48 -[[image:image-20220527092058-3.png||height="552" width="905"]]
48 +[[image:image-20220527092058-3.png]]
49 49  
50 -**Connection**
50 +Connection
51 51  
52 52  
53 53  
54 -[[image:image-20220527092146-4.png||height="507" width="906"]]
54 +[[image:image-20220527092146-4.png]]
55 55  
56 -**Connection**
56 +Connection
57 57  
58 58  
59 59  (% style="color:blue" %)**Related documents:**
60 60  
61 61  * 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"]]
62 -
63 63  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
64 64  
65 65  
66 -== 1.3 Example 3: Use RS485-LN with energy meters ==
67 67  
68 -=== 1.3.1 OverView ===
66 +== **1.3 Example3: Use RS485-LN with energy meters** ==
69 69  
70 70  
69 +=== **1.3.1 OverView** ===
70 +
71 +
71 71  (((
72 72  (% style="color:red" %)**Note**：**The specifications of each energy meter are different, please refer to your own energy meter specifications.**
73 73  )))
... ... @@ -80,7 +80,7 @@
80 80  
81 81  [[image:image-20220527092419-5.png]]
82 82  
83 -**Connection1**
84 +Connection1
84 84  
85 85  
86 86  
... ... @@ -99,11 +99,11 @@
99 99  )))
100 100  
101 101  (((
102 -Power Source **VIN** to RS485-LN **VIN+**
103 +Power Source VIN to RS485-LN VIN+
103 103  )))
104 104  
105 105  (((
106 -Power Source **GND** to RS485-LN **VIN-**
107 +Power Source GND to RS485-LN VIN-
107 107  )))
108 108  
109 109  (((
... ... @@ -114,18 +114,19 @@
114 114  
115 115  [[image:image-20220527092514-6.png]]
116 116  
117 -**Connection2**
118 +Connection2
118 118  
119 119  
120 120  
121 121  [[image:image-20220527092555-7.png]]
122 122  
123 -**Connection3**
124 +Connection3
124 124  
125 125  
126 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
127 127  
128 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
128 128  
130 +
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]]
... ... @@ -134,13 +134,9 @@
134 134  (% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
135 135  
136 136  * The first byte : slave address code (=001～247)
137 -
138 138  * The second byte : read register value function code
139 -
140 140  * 3rd and 4th bytes: start address of register to be read
141 -
142 142  * 5th and 6th bytes: Number of registers to read
143 -
144 144  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
145 145  
146 146  (((
... ... @@ -153,24 +153,27 @@
153 153  )))
154 154  
155 155  * The first byte ARD: slave address code (=001～254)
156 -
157 157  * The second byte: Return to read function code
158 -
159 159  * 3rd byte: total number of bytes
160 -
161 161  * 4th～5th bytes: register data
162 -
163 163  * The 6th and 7th bytes: CRC16 checksum
164 -
165 165  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
166 166  
160 +(% class="wikigeneratedid" %)
161 +(((
162 +
167 167  
168 -=== 1.3.3 How to configure RS485-LN and parse output commands ===
169 169  
165 +
166 +)))
170 170  
168 +=== **1.3.3 How to configure RS485-LN and parse output commands** ===
169 +
170 +
171 171  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
172 172  
173 173  
174 +
174 174  ==== **1.3.3.1 via AT COMMAND** ====
175 175  
176 176  
... ... @@ -184,7 +184,7 @@
184 184  
185 185  [[image:image-20220601143201-9.png]]
186 186  
187 -**AT COMMAND**
188 +AT COMMAND
188 188  
189 189  
190 190  (% class="box infomessage" %)
... ... @@ -200,15 +200,16 @@
200 200  
201 201  [[image:image-20220601143115-8.png]]
202 202  
203 -**AT COMMAND**
204 +AT COMMAND
204 204  
205 205  
206 206  
207 207  PAYLOAD is available after the valid value is intercepted.
208 208  
210 +
209 209  [[image:image-20220601143046-7.png]]
210 210  
211 -**AT COMMAND**
213 +AT COMMAND
212 212  
213 213  
214 214  
... ... @@ -217,16 +217,19 @@
217 217  [[image:image-20220601143519-1.png]]
218 218  
219 219  (((
220 -**AT COMMAND**
222 +AT COMMAND
221 221  )))
222 222  
223 223  (((
224 224  
227 +
228 +
225 225  )))
226 226  
227 227  (((
228 228  (% style="color:blue" %)**Example**:
229 229  
234 +
230 230  (% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
231 231  )))
232 232  
... ... @@ -268,6 +268,8 @@
268 268  
269 269  (((
270 270  Payload: 01 00 02 39 85 08 DC 00 00 00 44
276 +
277 +
271 271  )))
272 272  
273 273  [[image:image-20220601142936-6.png]]
... ... @@ -291,11 +291,13 @@
291 291  [[image:image-20220527093358-15.png]]
292 292  
293 293  (((
294 -**DOWNLINK**
301 +DOWNLINK
295 295  )))
296 296  
304 +(((
305 +
306 +)))
297 297  
298 -
299 299  (((
300 300  (% style="color:blue" %)**Type Code 0xAF**
301 301  )))
... ... @@ -309,6 +309,8 @@
309 309  
310 310  (((
311 311  (% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
321 +
322 +
312 312  )))
313 313  
314 314  (((
... ... @@ -343,8 +343,9 @@
343 343  will execute an uplink after got this command.
344 344  )))
345 345  
346 -
347 347  (((
358 +
359 +
348 348  (% style="color:blue" %)**Example:**
349 349  )))
350 350  
... ... @@ -354,34 +354,35 @@
354 354  
355 355  [[image:image-20220601144149-6.png]]
356 356  
357 -**DOWNLINK**
369 +DOWNLINK
358 358  
359 359  
360 360  
361 361  [[image:image-20220601143803-3.png]]
362 362  
363 -**DOWNLINK**
375 +DOWNLINK
364 364  
365 365  
366 366  
367 367  [[image:image-20220601144053-5.png]]
368 368  
369 -**DOWNLINK**
381 +DOWNLINK
370 370  
371 371  
372 372  
373 373  [[image:image-20220601143921-4.png]]
374 374  
375 -**DOWNLINK**
387 +DOWNLINK
376 376  
377 377  
378 378  
379 379  [[image:image-20220601142805-5.png]]
380 380  
381 -**DOWNLINK**
393 +DOWNLINK
394 +
382 382  
383 383  
384 -=== 1.3.4 How to configure and output commands for RS485 to USB ===
397 +=== **1.3.4 How to configure and output commands for RS485 to USB** ===
385 385  
386 386  
387 387  (((
... ... @@ -408,18 +408,20 @@
408 408  
409 409  [[image:image-20220527093708-21.png]]
410 410  
411 -**USB**
424 +USB
412 412  
413 413  
414 414  
415 415  [[image:image-20220527093747-22.png]]
416 416  
417 -**USB**
430 +USB
418 418  
419 419  
420 420  
421 421  (((
422 422  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.
436 +
437 +
423 423  )))
424 424  
425 425  (((
... ... @@ -434,11 +434,11 @@
434 434  
435 435  [[image:image-20220527093821-23.png]]
436 436  
437 -**USB**
452 +USB
438 438  
439 439  
440 440  
441 -=== 1.3.5 How to configure multiple devices and modify device addresses ===
456 +=== **1.3.5 How to configure multiple devices and modify device addresses** ===
442 442  
443 443  
444 444  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.
... ... @@ -487,9 +487,9 @@
487 487  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
488 488  )))
489 489  
490 -* 01: device adaress
505 +* 01:device adaress
491 491  
492 -* 10: function code
507 +* 10:function code
493 493  
494 494  * 00 61：Register address
495 495  
... ... @@ -518,9 +518,9 @@
518 518  * 08 DF is the valid value of the meter with device address 02.
519 519  * 43 62 is the valid value of the meter with device address 01.
520 520  
521 -(% style="display:none" %) (%%)
522 522  
523 523  
538 +
524 524  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
525 525  
526 526  
... ... @@ -530,12 +530,11 @@
530 530  
531 531  [[image:image-20220527094330-30.png]]
532 532  
533 -**Connection**
548 +Connection
534 534  
535 535  
536 536  * 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"]]
537 537  
538 -
539 539  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
540 540  
541 541  
... ... @@ -542,10 +542,8 @@
542 542  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:
543 543  
544 544  * 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);"]]
545 -
546 546  * 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"]]
547 547  
548 -
549 549  == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
550 550  
551 551  
... ... @@ -553,27 +553,12 @@
553 553  
554 554  * 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);"]]
555 555  
556 -
557 557  == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
558 558  
559 559  
560 560  [[image:image-20220527094556-31.png]]
561 561  
562 -
563 563  Network Structure
564 564  
565 -* [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
566 566  
567 -== ==
568 -
569 -== 1.8  Example 8: This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. ==
570 -
571 -This sketch uses 4 registers: some of them can be set by Dragino with a command, another is used to store value from a DS18B20 temperature sensor, or a random generated number. All data is 16bit uint, but the sketch shows also how to represent booleans and negative numbers.
572 -
573 -In the next days I will be adding more documentation, but I think it already explains users how to build their own modbus sensor to pair with Dragino RS485-BL.
574 -
575 -This is released the code under GNU LGPL licence on Github:
576 -
577 -[[https:~~/~~/github.com/zorbaproject/ArduinoModbusForDraginoRS485>>url:https://github.com/zorbaproject/ArduinoModbusForDraginoRS485]]
578 -
579 -
576 +* [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]

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