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... ... @@ -7,67 +7,68 @@
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  
28 +
27 27  [[image:image-20220527091942-2.png]](% style="display:none" %)
28 28  
29 -**Connection**
31 +Connection
30 30  
31 31  
32 32  (% style="color:blue" %)**Related documents:**
33 33  
34 -* 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);"]]
35 -
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);"]]
36 36  * 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);"]]
37 -
38 38  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
39 39  
40 40  
41 41  
42 -== 1.2 Example 2: Connect to Pulse Counter ==
42 +== **1.2 Example 2: Connect to Pulse Counter** ==
43 43  
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 -[[image:image-20220527092146-4.png||height="507" width="906"]]
54 54  
55 -**Connection**
54 +[[image:image-20220527092146-4.png]]
56 56  
56 +Connection
57 57  
58 +
58 58  (% style="color:blue" %)**Related documents:**
59 59  
60 60  * 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"]]
61 -
62 62  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
63 63  
64 64  
65 65  
66 -== 1.3 Example 3: Use RS485-LN with energy meters ==
66 +== **1.3 Example3: Use RS485-LN with energy meters** ==
67 67  
68 -=== 1.3.1 OverView ===
69 69  
69 +=== **1.3.1 OverView** ===
70 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  )))
... ... @@ -74,13 +74,16 @@
74 74  
75 75  (((
76 76  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
78 +
79 +
77 77  )))
78 78  
79 79  [[image:image-20220527092419-5.png]]
80 80  
81 -**Connection1**
84 +Connection1
82 82  
83 83  
87 +
84 84  (((
85 85  (% style="color:blue" %)**How to connect with Energy Meter：**
86 86  
... ... @@ -96,30 +96,34 @@
96 96  )))
97 97  
98 98  (((
99 -Power Source **VIN** to RS485-LN **VIN+**
103 +Power Source VIN to RS485-LN VIN+
100 100  )))
101 101  
102 102  (((
103 -Power Source **GND** to RS485-LN **VIN-**
107 +Power Source GND to RS485-LN VIN-
104 104  )))
105 105  
106 106  (((
107 107  Once there is power, the RS485-LN will be on.
112 +
113 +
108 108  )))
109 109  
110 110  [[image:image-20220527092514-6.png]]
111 111  
112 -**Connection2**
118 +Connection2
113 113  
114 114  
121 +
115 115  [[image:image-20220527092555-7.png]]
116 116  
117 -**Connection3**
124 +Connection3
118 118  
119 119  
120 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
121 121  
128 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
122 122  
130 +
123 123  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.
124 124  
125 125  [[image:image-20220601143257-10.png]]
... ... @@ -128,13 +128,9 @@
128 128  (% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
129 129  
130 130  * The first byte : slave address code (=001～247)
131 -
132 132  * The second byte : read register value function code
133 -
134 134  * 3rd and 4th bytes: start address of register to be read
135 -
136 136  * 5th and 6th bytes: Number of registers to read
137 -
138 138  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
139 139  
140 140  (((
... ... @@ -147,25 +147,27 @@
147 147  )))
148 148  
149 149  * The first byte ARD: slave address code (=001～254)
150 -
151 151  * The second byte: Return to read function code
152 -
153 153  * 3rd byte: total number of bytes
154 -
155 155  * 4th～5th bytes: register data
156 -
157 157  * The 6th and 7th bytes: CRC16 checksum
158 -
159 159  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
160 160  
160 +(% class="wikigeneratedid" %)
161 +(((
162 +
161 161  
162 162  
163 -=== 1.3.3 How to configure RS485-LN and parse output commands ===
165 +
166 +)))
164 164  
168 +=== **1.3.3 How to configure RS485-LN and parse output commands** ===
165 165  
170 +
166 166  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
167 167  
168 168  
174 +
169 169  ==== **1.3.3.1 via AT COMMAND** ====
170 170  
171 171  
... ... @@ -179,7 +179,7 @@
179 179  
180 180  [[image:image-20220601143201-9.png]]
181 181  
182 -**AT COMMAND**
188 +AT COMMAND
183 183  
184 184  
185 185  (% class="box infomessage" %)
... ... @@ -195,31 +195,37 @@
195 195  
196 196  [[image:image-20220601143115-8.png]]
197 197  
198 -**AT COMMAND**
204 +AT COMMAND
199 199  
200 200  
207 +
201 201  PAYLOAD is available after the valid value is intercepted.
202 202  
210 +
203 203  [[image:image-20220601143046-7.png]]
204 204  
205 -**AT COMMAND**
213 +AT COMMAND
206 206  
207 207  
216 +
208 208  You can get configured PAYLOAD on TTN.
209 209  
210 210  [[image:image-20220601143519-1.png]]
211 211  
212 212  (((
213 -**AT COMMAND**
222 +AT COMMAND
214 214  )))
215 215  
216 216  (((
217 217  
227 +
228 +
218 218  )))
219 219  
220 220  (((
221 221  (% style="color:blue" %)**Example**:
222 222  
234 +
223 223  (% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
224 224  )))
225 225  
... ... @@ -261,6 +261,8 @@
261 261  
262 262  (((
263 263  Payload: 01 00 02 39 85 08 DC 00 00 00 44
276 +
277 +
264 264  )))
265 265  
266 266  [[image:image-20220601142936-6.png]]
... ... @@ -268,6 +268,7 @@
268 268  AT COMMAND
269 269  
270 270  
285 +
271 271  (% 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.**
272 272  
273 273  
... ... @@ -276,6 +276,7 @@
276 276  AT COMMAND
277 277  
278 278  
294 +
279 279  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
280 280  
281 281  
... ... @@ -282,12 +282,15 @@
282 282  [[image:image-20220527093358-15.png]]
283 283  
284 284  (((
285 -**DOWNLINK**
301 +DOWNLINK
286 286  )))
287 287  
304 +(((
305 +
306 +)))
288 288  
289 289  (((
290 -(% style="color:blue" %)**Type Code 0xAF**
309 +(% style="color:#4f81bd" %)**Type Code 0xAF**
291 291  )))
292 292  
293 293  (((
... ... @@ -299,6 +299,8 @@
299 299  
300 300  (((
301 301  (% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
321 +
322 +
302 302  )))
303 303  
304 304  (((
... ... @@ -333,8 +333,9 @@
333 333  will execute an uplink after got this command.
334 334  )))
335 335  
336 -
337 337  (((
358 +
359 +
338 338  (% style="color:blue" %)**Example:**
339 339  )))
340 340  
... ... @@ -344,30 +344,35 @@
344 344  
345 345  [[image:image-20220601144149-6.png]]
346 346  
347 -**DOWNLINK**
369 +DOWNLINK
348 348  
349 349  
372 +
350 350  [[image:image-20220601143803-3.png]]
351 351  
352 -**DOWNLINK**
375 +DOWNLINK
353 353  
354 354  
378 +
355 355  [[image:image-20220601144053-5.png]]
356 356  
357 -**DOWNLINK**
381 +DOWNLINK
358 358  
359 359  
384 +
360 360  [[image:image-20220601143921-4.png]]
361 361  
362 -**DOWNLINK**
387 +DOWNLINK
363 363  
364 364  
390 +
365 365  [[image:image-20220601142805-5.png]]
366 366  
367 -**DOWNLINK**
393 +DOWNLINK
394 +
368 368  
369 369  
370 -=== 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** ===
371 371  
372 372  
373 373  (((
... ... @@ -388,21 +388,26 @@
388 388  
389 389  (((
390 390  check digit: Even
418 +
419 +
391 391  )))
392 392  
393 393  [[image:image-20220527093708-21.png]]
394 394  
395 -**USB**
424 +USB
396 396  
397 397  
427 +
398 398  [[image:image-20220527093747-22.png]]
399 399  
400 -**USB**
430 +USB
401 401  
402 402  
403 403  
404 404  (((
405 405  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 +
406 406  )))
407 407  
408 408  (((
... ... @@ -417,12 +417,13 @@
417 417  
418 418  [[image:image-20220527093821-23.png]]
419 419  
420 -**USB**
452 +USB
421 421  
422 422  
423 -=== 1.3.5 How to configure multiple devices and modify device addresses ===
424 424  
456 +=== **1.3.5 How to configure multiple devices and modify device addresses** ===
425 425  
458 +
426 426  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.
427 427  
428 428  (((
... ... @@ -436,7 +436,6 @@
436 436  
437 437  (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
438 438  
439 -
440 440  [[image:image-20220527093950-25.png]]
441 441  
442 442  
... ... @@ -469,9 +469,9 @@
469 469  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
470 470  )))
471 471  
472 -* 01: device adaress
504 +* 01:device adaress
473 473  
474 -* 10: function code
506 +* 10:function code
475 475  
476 476  * 00 61：Register address
477 477  
... ... @@ -500,9 +500,6 @@
500 500  * 08 DF is the valid value of the meter with device address 02.
501 501  * 43 62 is the valid value of the meter with device address 01.
502 502  
503 -(% style="display:none" %) (%%)
504 -
505 -
506 506  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
507 507  
508 508  
... ... @@ -512,13 +512,11 @@
512 512  
513 513  [[image:image-20220527094330-30.png]]
514 514  
515 -**Connection**
544 +Connection
516 516  
517 517  
518 518  * 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"]]
519 519  
520 -
521 -
522 522  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
523 523  
524 524  
... ... @@ -525,11 +525,8 @@
525 525  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:
526 526  
527 527  * 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);"]]
528 -
529 529  * 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"]]
530 530  
531 -
532 -
533 533  == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
534 534  
535 535  
... ... @@ -537,29 +537,12 @@
537 537  
538 538  * 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);"]]
539 539  
540 -
541 -
542 542  == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
543 543  
544 544  
545 545  [[image:image-20220527094556-31.png]]
546 546  
547 -
548 548  Network Structure
549 549  
550 -* [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
551 551  
552 -
553 -
554 -== 1.8 Example 8: This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. ==
555 -
556 -
557 -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.
558 -
559 -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.
560 -
561 -This is released the code under GNU LGPL licence on Github:
562 -
563 -[[https:~~/~~/github.com/zorbaproject/ArduinoModbusForDraginoRS485>>url:https://github.com/zorbaproject/ArduinoModbusForDraginoRS485]]
564 -
565 -
572 +* [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]

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