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Last modified by Karry Zhuang on 2024/07/11 11:58
From version 5.1
edited by Xiaoling
on 2022/05/12 10:52
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To version 62.1
edited by Bei Jinggeng
on 2023/08/08 15:23
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Summary

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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1 +**Table of Contents:**
2 +
3 +{{toc/}}
4 +
5 +
6 +
7 +
8 +
9 +
1 1  = 1. Introduction =
2 2  
12 +
3 3  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
4 4  
15 +
5 5  == 1.1 Example 1: Connect to Leak relay and VFD ==
6 6  
18 +
7 7  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:
8 8  
9 -[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="297" width="534"]]
10 10  
11 -Connection
22 +[[image:image-20220527091852-1.png||height="547" width="994"]]
12 12  
24 +**Connection**
13 13  
14 -[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %)
15 15  
16 -Connection
17 17  
18 -Related documents:
28 +[[image:image-20220527091942-2.png]](% style="display:none" %)
19 19  
20 -* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
21 -* [[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.
30 +**Connection**
31 +
32 +
33 +(% style="color:blue" %)**Related documents:**
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 +
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 +
22 22  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
23 23  
24 24  == 1.2 Example 2: Connect to Pulse Counter ==
25 25  
43 +
26 26  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:
27 27  
28 -[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]
29 29  
30 -Connection
47 +[[image:image-20220527092058-3.png||height="552" width="905"]]
31 31  
49 +**Connection**
32 32  
33 -[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]
34 34  
35 -Connection
36 36  
37 -* [[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
53 +[[image:image-20220527092146-4.png||height="507" width="906"]]
54 +
55 +**Connection**
56 +
57 +
58 +(% style="color:blue" %)**Related documents:**
59 +
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 +
38 38  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
39 39  
40 -== 1.3 Example3: Use RS485-LN with energy meters ==
64 +== 1.3 Example 3: Use RS485-LN with energy meters ==
41 41  
42 42  === 1.3.1 OverView ===
43 43  
68 +
44 44  (((
45 -**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
70 +(% style="color:red" %)**Note**：**The specifications of each energy meter are different, please refer to your own energy meter specifications.**
46 46  )))
47 47  
48 48  (((
49 49  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
75 +
76 +
50 50  )))
51 51  
52 -[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]
79 +[[image:image-20220527092419-5.png]]
53 53  
54 -Connection1
81 +**Connection1**
55 55  
83 +
84 +
56 56  (((
57 -How to connect with Energy Meter：
86 +(% style="color:blue" %)**How to connect with Energy Meter：**
87 +
88 +
58 58  )))
59 59  
60 60  (((
... ... @@ -66,105 +66,124 @@
66 66  )))
67 67  
68 68  (((
69 -Power Source VIN to RS485-LN VIN+
100 +Power Source **VIN** to RS485-LN **VIN+**
70 70  )))
71 71  
72 72  (((
73 -Power Source GND to RS485-LN VIN-
104 +Power Source **GND** to RS485-LN **VIN-**
74 74  )))
75 75  
76 76  (((
77 77  Once there is power, the RS485-LN will be on.
109 +
110 +
78 78  )))
79 79  
80 -[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
113 +[[image:image-20220527092514-6.png]]
81 81  
82 -Connection2
115 +**Connection2**
83 83  
84 84  
85 -[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
86 86  
87 -Connection3
119 +[[image:image-20220527092555-7.png]]
88 88  
121 +**Connection3**
89 89  
123 +
90 90  === 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
91 91  
126 +
92 92  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.
93 93  
94 -[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
129 +[[image:image-20220601143257-10.png]]
95 95  
96 -(% class="box infomessage" %)
97 -(((
98 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
99 -)))
100 100  
132 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
133 +
101 101  * The first byte : slave address code (=001～247)
135 +
102 102  * The second byte : read register value function code
137 +
103 103  * 3rd and 4th bytes: start address of register to be read
139 +
104 104  * 5th and 6th bytes: Number of registers to read
141 +
105 105  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
106 106  
107 107  (((
145 +
146 +
147 +
108 108  How to parse the reading of the return command of the parameter：
109 -)))
110 110  
111 -(% class="box infomessage" %)
112 -(((
113 -Example:RETURN1：01 03 02 08 FD 7E 05
150 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
114 114  )))
115 115  
116 116  * The first byte ARD: slave address code (=001～254)
154 +
117 117  * The second byte: Return to read function code
156 +
118 118  * 3rd byte: total number of bytes
158 +
119 119  * 4th～5th bytes: register data
160 +
120 120  * The 6th and 7th bytes: CRC16 checksum
162 +
121 121  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
122 122  
123 123  === 1.3.3 How to configure RS485-LN and parse output commands ===
124 124  
167 +
125 125  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
126 126  
127 -==== 1.3.3.1 via AT COMMAND: ====
128 128  
129 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
171 +==== **1.3.3.1 via AT COMMAND** ====
130 130  
173 +
174 +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.
175 +
131 131  (((
132 132  If the configured parameters and commands are incorrect, the return value is not obtained.
178 +
179 +
133 133  )))
134 134  
135 -[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
182 +[[image:image-20220601143201-9.png]]
136 136  
137 -AT COMMAND
184 +**AT COMMAND**
138 138  
186 +
139 139  (% class="box infomessage" %)
140 140  (((
141 - AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
189 + (% _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
142 142  )))
143 143  
144 -a: length for the return of AT+COMMAND
192 +a:  length for the return of AT+COMMAND
145 145  
146 -b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
194 +b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
147 147  
148 -c: define the position for valid value.
196 +c:  define the position for valid value.
149 149  
150 -[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
198 +[[image:image-20220601143115-8.png]]
151 151  
152 -AT COMMAND
200 +**AT COMMAND**
153 153  
202 +
203 +
154 154  PAYLOAD is available after the valid value is intercepted.
155 155  
206 +[[image:image-20220601143046-7.png]]
156 156  
157 -[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
208 +**AT COMMAND**
158 158  
159 -AT COMMAND
160 160  
211 +
161 161  You can get configured PAYLOAD on TTN.
162 162  
214 +[[image:image-20220601143519-1.png]]
163 163  
164 -[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
165 -
166 166  (((
167 -AT COMMAND
217 +**AT COMMAND**
168 168  )))
169 169  
170 170  (((
... ... @@ -172,71 +172,79 @@
172 172  )))
173 173  
174 174  (((
175 -**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
225 +(% style="color:blue" %)**Example**:
226 +
227 +(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
176 176  )))
177 177  
178 178  (((
179 -RETURN1:01 03 02 00 02 39 85 00 00(return data)
231 +RETURN1: 01 03 02 00 02 39 85 00 00(return data)
180 180  )))
181 181  
182 182  (((
183 -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.
235 +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.
236 +
237 +
184 184  )))
185 185  
186 186  (((
187 -CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
241 +(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
188 188  )))
189 189  
190 190  (((
191 -RETURN2:01 03 02 08 DC BE 1D(return data)
245 +RETURN2: 01 03 02 08 DC BE 1D(return data)
192 192  )))
193 193  
194 194  (((
195 -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.
249 +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.
250 +
251 +
196 196  )))
197 197  
198 198  (((
199 -CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
255 +(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
200 200  )))
201 201  
202 202  (((
203 -RETURN3:01 03 04 00 00 00 44 FA 00(return data)
259 +RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
204 204  )))
205 205  
206 206  (((
207 -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.
263 +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.
208 208  )))
209 209  
210 210  (((
211 -Payload:01 00 02 39 85 08 DC 00 00 00 44
267 +Payload: 01 00 02 39 85 08 DC 00 00 00 44
212 212  )))
213 213  
214 -[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
270 +[[image:image-20220601142936-6.png]]
215 215  
216 216  AT COMMAND
217 217  
218 -01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
219 219  
220 220  
221 -[[~[~[image:https://wiki.dragino.com/images/thumb/b/b8/AT_COMMAND11.png/600px-AT_COMMAND11.png~|~|height="271" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:AT_COMMAND11.png]]
276 +(% 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.**
222 222  
278 +
279 +[[image:image-20220601143642-2.png]]
280 +
223 223  AT COMMAND
224 224  
225 225  
226 -==== 1.3.3.2 via LoRaWAN DOWNLINK ====
227 227  
228 -[[image:image-20220512104358-3.png]]
285 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
229 229  
230 -(((
231 -DOWNLINK
232 -)))
233 233  
288 +[[image:image-20220527093358-15.png]]
289 +
234 234  (((
235 -
291 +**DOWNLINK**
236 236  )))
237 237  
294 +
295 +
238 238  (((
239 -**Type Code 0xAF**
297 +(% style="color:blue" %)**Type Code 0xAF**
240 240  )))
241 241  
242 242  (((
... ... @@ -247,7 +247,7 @@
247 247  )))
248 248  
249 249  (((
250 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
308 +(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
251 251  )))
252 252  
253 253  (((
... ... @@ -282,41 +282,47 @@
282 282  will execute an uplink after got this command.
283 283  )))
284 284  
343 +
285 285  (((
286 -Example:
345 +(% style="color:blue" %)**Example:**
287 287  )))
288 288  
289 289  (((
290 -AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
349 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
291 291  )))
292 292  
293 -[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
352 +[[image:image-20220601144149-6.png]]
294 294  
295 -DOWNLINK
354 +**DOWNLINK**
296 296  
297 297  
298 -[[~[~[image:https://wiki.dragino.com/images/thumb/2/20/DOWNLINK_METER3.png/600px-DOWNLINK_METER3.png~|~|height="105" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER3.png]]
299 299  
300 -DOWNLINK
358 +[[image:image-20220601143803-3.png]]
301 301  
360 +**DOWNLINK**
302 302  
303 -[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
304 304  
305 -DOWNLINK
306 306  
364 +[[image:image-20220601144053-5.png]]
307 307  
308 -[[~[~[image:https://wiki.dragino.com/images/thumb/3/39/DOWNLINK_METER5.png/600px-DOWNLINK_METER5.png~|~|height="176" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER5.png]]
366 +**DOWNLINK**
309 309  
310 -DOWNLINK
311 311  
312 312  
313 -[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
370 +[[image:image-20220601143921-4.png]]
314 314  
315 -DOWNLINK
316 -
372 +**DOWNLINK**
317 317  
374 +
375 +
376 +[[image:image-20220601142805-5.png]]
377 +
378 +**DOWNLINK**
379 +
380 +
318 318  === 1.3.4 How to configure and output commands for RS485 to USB ===
319 319  
383 +
320 320  (((
321 321  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.
322 322  )))
... ... @@ -335,36 +335,45 @@
335 335  
336 336  (((
337 337  check digit: Even
402 +
403 +
338 338  )))
339 339  
340 -[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
406 +[[image:image-20220527093708-21.png]]
341 341  
342 -USB
408 +**USB**
343 343  
344 344  
345 -[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
346 346  
347 -USB
412 +[[image:image-20220527093747-22.png]]
348 348  
414 +**USB**
349 349  
416 +
417 +
350 350  (((
351 351  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.
352 352  )))
353 353  
354 354  (((
355 -**Example:**  input：01 03 00 31 00 02 95 c4
423 +(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
356 356  )))
357 357  
358 358  (((
359 359   output：01 03 04 00 00 00 42 7A 02
428 +
429 +
360 360  )))
361 361  
362 -[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
432 +[[image:image-20220527093821-23.png]]
363 363  
364 -USB
434 +**USB**
365 365  
436 +
437 +
366 366  === 1.3.5 How to configure multiple devices and modify device addresses ===
367 367  
440 +
368 368  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.
369 369  
370 370  (((
... ... @@ -373,14 +373,18 @@
373 373  )))
374 374  )))
375 375  
376 -[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
449 +[[image:image-20220601142044-1.png]]
377 377  
378 -**Example**:These two meters are examples of setting parameters and device addresses.
379 379  
380 -[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
452 +(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
381 381  
382 -[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
383 383  
455 +[[image:image-20220527093950-25.png]]
456 +
457 +
458 +[[image:image-20220527094028-26.png]]
459 +
460 +
384 384  (((
385 385  (((
386 386  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.
... ... @@ -389,7 +389,7 @@
389 389  
390 390  (((
391 391  (((
392 -We can use AT+CFGDEV to set the device address.
469 +We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address.
393 393  )))
394 394  )))
395 395  
... ... @@ -399,14 +399,18 @@
399 399  )))
400 400  )))
401 401  
402 -[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
479 +[[image:image-20220601142354-2.png]]
403 403  
404 -AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
405 405  
406 -* 01:device adaress
482 +(% class="box infomessage" %)
483 +(((
484 +**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
485 +)))
407 407  
408 -* 10:function code
487 +* 01: device adaress
409 409  
489 +* 10: function code
490 +
410 410  * 00 61：Register address
411 411  
412 412  * 00 01：Number of Registers
... ... @@ -423,43 +423,68 @@
423 423  
424 424  Its default device address is 01, and the following are the parameters for configuring two energy meters.
425 425  
426 -[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
507 +[[image:image-20220601142452-3.png]]
427 427  
428 -[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
429 429  
430 -PAYLOAD:01 08 DF 43 62
510 +[[image:image-20220601142607-4.png]]
431 431  
512 +
513 +(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62**
514 +
432 432  * 08 DF is the valid value of the meter with device address 02.
433 433  * 43 62 is the valid value of the meter with device address 01.
434 434  
518 +(% style="display:none" %) (%%)
519 +
520 +
435 435  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
436 436  
437 -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:
438 438  
439 -[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
524 +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.
440 440  
441 -Connection
526 +The structure is like below:
442 442  
443 -* [[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
528 +[[image:image-20220527094330-30.png]]
444 444  
530 +**Connection**
531 +
532 +
533 +* 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"]]
534 +
445 445  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
446 446  
537 +
447 447  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:
448 448  
449 -* [[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
540 +* 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);"]]
450 450  
451 -* [[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
542 +* 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"]]
452 452  
453 -== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
544 +== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
454 454  
546 +
455 455  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:
456 456  
457 -* [[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
549 +* 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);"]]
458 458  
459 -== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
551 +== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
460 460  
461 -[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
462 462  
554 +[[image:image-20220527094556-31.png]]
555 +
556 +
463 463  Network Structure
464 464  
465 465  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
560 +
561 +== 1.8  Example 8: This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. ==
562 +
563 +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.
564 +
565 +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.
566 +
567 +This is released the code under GNU LGPL licence on Github:
568 +
569 +[[https:~~/~~/github.com/zorbaproject/ArduinoModbusForDraginoRS485>>url:https://github.com/zorbaproject/ArduinoModbusForDraginoRS485]]
570 +
571 +
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