Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 39.1 >
edited by Xiaoling
on 2022/05/27 09:47
To version < 57.9 >
edited by Xiaoling
on 2022/07/14 09:34
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1,15 +1,23 @@
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 10  
11 -== 1.1 Example 1: Connect to Leak relay and VFD ==
18 +== **1.1 Example 1: Connect to Leak relay and VFD** ==
12 12  
20 +
13 13  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:
14 14  
15 15  [[image:image-20220527091852-1.png]]
... ... @@ -29,30 +29,33 @@
29 29  * [[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 30  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
31 31  
32 -== 1.2 Example 2: Connect to Pulse Counter ==
40 +== **1.2 Example 2: Connect to Pulse Counter** ==
33 33  
42 +
34 34  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:
35 35  
45 +
36 36  [[image:image-20220527092058-3.png]]
37 37  
38 38  Connection
39 39  
40 40  
51 +
41 41  [[image:image-20220527092146-4.png]]
42 42  
43 43  Connection
44 44  
45 -* [[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/]]
46 46  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
47 47  
48 -== ==
60 +== **1.3 Example3: Use RS485-LN with energy meters** ==
49 49  
50 -== 1.3 Example3: Use RS485-LN with energy meters ==
62 +=== **1.3.1 OverView** ===
51 51  
52 -=== 1.3.1 OverView ===
53 53  
54 54  (((
55 -**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.
56 56  )))
57 57  
58 58  (((
... ... @@ -64,8 +64,11 @@
64 64  Connection1
65 65  
66 66  
78 +
67 67  (((
68 -How to connect with Energy Meter：
80 +**How to connect with Energy Meter：**
81 +
82 +
69 69  )))
70 70  
71 71  (((
... ... @@ -93,22 +93,21 @@
93 93  Connection2
94 94  
95 95  
110 +
96 96  [[image:image-20220527092555-7.png]]
97 97  
98 98  Connection3
99 99  
100 100  
101 -=== 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** ===
102 102  
118 +
103 103  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.
104 104  
105 -[[image:image-20220527092629-8.png]]
121 +[[image:image-20220601143257-10.png]]
106 106  
107 107  
108 -(% class="box infomessage" %)
109 -(((
110 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
111 -)))
124 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
112 112  
113 113  * The first byte : slave address code (=001～247)
114 114  * The second byte : read register value function code
... ... @@ -117,12 +117,12 @@
117 117  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
118 118  
119 119  (((
133 +
134 +
135 +
120 120  How to parse the reading of the return command of the parameter：
121 -)))
122 122  
123 -(% class="box infomessage" %)
124 -(((
125 -**Example:** RETURN1：01 03 02 08 FD 7E 05
138 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
126 126  )))
127 127  
128 128  * The first byte ARD: slave address code (=001～254)
... ... @@ -135,22 +135,27 @@
135 135  (% class="wikigeneratedid" %)
136 136  (((
137 137  
151 +
152 +
153 +
138 138  )))
139 139  
140 -=== 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** ===
141 141  
158 +
142 142  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
143 143  
144 144  
145 -==== 1.3.3.1 via AT COMMAND: ====
162 +==== **1.3.3.1 via AT COMMAND** ====
146 146  
147 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
148 148  
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 +
149 149  (((
150 150  If the configured parameters and commands are incorrect, the return value is not obtained.
151 151  )))
152 152  
153 -[[image:image-20220527092748-9.png]]
171 +[[image:image-20220601143201-9.png]]
154 154  
155 155  AT COMMAND
156 156  
... ... @@ -157,31 +157,33 @@
157 157  
158 158  (% class="box infomessage" %)
159 159  (((
160 - 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
161 161  )))
162 162  
163 -a: length for the return of AT+COMMAND
181 +a:  length for the return of AT+COMMAND
164 164  
165 -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.
166 166  
167 -c: define the position for valid value.
185 +c:  define the position for valid value.
168 168  
169 -[[image:image-20220527092936-10.png]]
187 +[[image:image-20220601143115-8.png]]
170 170  
171 171  AT COMMAND
172 172  
173 173  
192 +
174 174  PAYLOAD is available after the valid value is intercepted.
175 175  
176 176  
177 -[[image:image-20220527093059-11.png]]
196 +[[image:image-20220601143046-7.png]]
178 178  
179 179  AT COMMAND
180 180  
181 181  
201 +
182 182  You can get configured PAYLOAD on TTN.
183 183  
184 -[[image:image-20220527093133-12.png]]
204 +[[image:image-20220601143519-1.png]]
185 185  
186 186  (((
187 187  AT COMMAND
... ... @@ -192,46 +192,52 @@
192 192  )))
193 193  
194 194  (((
195 -**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
196 196  )))
197 197  
198 198  (((
199 -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)
200 200  )))
201 201  
202 202  (((
203 -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 +
204 204  )))
205 205  
206 206  (((
207 -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
208 208  )))
209 209  
210 210  (((
211 -RETURN2:01 03 02 08 DC BE 1D(return data)
235 +RETURN2: 01 03 02 08 DC BE 1D(return data)
212 212  )))
213 213  
214 214  (((
215 -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 +
216 216  )))
217 217  
218 218  (((
219 -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
220 220  )))
221 221  
222 222  (((
223 -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)
224 224  )))
225 225  
226 226  (((
227 -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.
228 228  )))
229 229  
230 230  (((
231 -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
232 232  )))
233 233  
234 -[[image:image-20220527093204-13.png]]
260 +[[image:image-20220601142936-6.png]]
235 235  
236 236  AT COMMAND
237 237  
... ... @@ -238,13 +238,16 @@
238 238  
239 239  (% 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.**
240 240  
241 -[[image:image-20220527093251-14.png]]
242 242  
268 +
269 +[[image:image-20220601143642-2.png]]
270 +
243 243  AT COMMAND
244 244  
245 245  
246 -==== 1.3.3.2 via LoRaWAN DOWNLINK ====
274 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
247 247  
276 +
248 248  [[image:image-20220527093358-15.png]]
249 249  
250 250  (((
... ... @@ -256,7 +256,7 @@
256 256  )))
257 257  
258 258  (((
259 -**Type Code 0xAF**
288 +(% style="color:#4f81bd" %)**Type Code 0xAF**
260 260  )))
261 261  
262 262  (((
... ... @@ -303,39 +303,45 @@
303 303  )))
304 304  
305 305  (((
306 -Example:
335 +
336 +
337 +(% style="color:#4f81bd" %)**Example:**
307 307  )))
308 308  
309 309  (((
310 -AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
341 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
311 311  )))
312 312  
313 -[[image:image-20220527093430-16.png]]
344 +[[image:image-20220601144149-6.png]]
314 314  
315 315  DOWNLINK
316 316  
317 317  
318 -[[image:image-20220527093508-17.png]]
319 319  
350 +[[image:image-20220601143803-3.png]]
351 +
320 320  DOWNLINK
321 321  
322 322  
323 -[[image:image-20220527093530-18.png]]
324 324  
356 +[[image:image-20220601144053-5.png]]
357 +
325 325  DOWNLINK
326 326  
327 327  
328 -[[image:image-20220527093607-19.png]]
329 329  
362 +[[image:image-20220601143921-4.png]]
363 +
330 330  DOWNLINK
331 331  
332 332  
333 -[[image:image-20220527093628-20.png]]
334 334  
368 +[[image:image-20220601142805-5.png]]
369 +
335 335  DOWNLINK
336 336  
337 337  
338 -=== 1.3.4 How to configure and output commands for RS485 to USB ===
373 +=== **1.3.4 How to configure and output commands for RS485 to USB** ===
339 339  
340 340  (((
341 341  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.
... ... @@ -362,17 +362,19 @@
362 362  USB
363 363  
364 364  
400 +
365 365  [[image:image-20220527093747-22.png]]
366 366  
367 367  USB
368 368  
369 369  
406 +
370 370  (((
371 371  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.
372 372  )))
373 373  
374 374  (((
375 -**Example:**  input：01 03 00 31 00 02 95 c4
412 +(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
376 376  )))
377 377  
378 378  (((
... ... @@ -384,7 +384,7 @@
384 384  USB
385 385  
386 386  
387 -=== 1.3.5 How to configure multiple devices and modify device addresses ===
424 +=== **1.3.5 How to configure multiple devices and modify device addresses** ===
388 388  
389 389  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.
390 390  
... ... @@ -394,7 +394,7 @@
394 394  )))
395 395  )))
396 396  
397 -[[image:image-20220527093849-24.png]]
434 +[[image:image-20220601142044-1.png]]
398 398  
399 399  
400 400  **Example**:These two meters are examples of setting parameters and device addresses.
... ... @@ -401,6 +401,7 @@
401 401  
402 402  [[image:image-20220527093950-25.png]]
403 403  
441 +
404 404  [[image:image-20220527094028-26.png]]
405 405  
406 406  (((
... ... @@ -421,7 +421,7 @@
421 421  )))
422 422  )))
423 423  
424 -[[image:image-20220527094100-27.png]]
462 +[[image:image-20220601142354-2.png]]
425 425  
426 426  (% class="box infomessage" %)
427 427  (((
... ... @@ -448,12 +448,12 @@
448 448  
449 449  Its default device address is 01, and the following are the parameters for configuring two energy meters.
450 450  
451 -[[image:image-20220527094150-28.png]]
489 +[[image:image-20220601142452-3.png]]
452 452  
453 453  
454 -[[image:image-20220527094224-29.png]]
492 +[[image:image-20220601142607-4.png]]
455 455  
456 -PAYLOAD:01 08 DF 43 62
494 +**PAYLOAD:01 08 DF 43 62**
457 457  
458 458  * 08 DF is the valid value of the meter with device address 02.
459 459  * 43 62 is the valid value of the meter with device address 01.
image-20220601142044-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +3.7 KB
Content
image-20220601142354-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +2.8 KB
Content
image-20220601142452-3.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +28.1 KB
Content
image-20220601142607-4.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +26.9 KB
Content
image-20220601142805-5.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +35.8 KB
Content
image-20220601142936-6.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +26.7 KB
Content
image-20220601143046-7.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +11.2 KB
Content
image-20220601143115-8.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +11.9 KB
Content
image-20220601143201-9.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +16.5 KB
Content
image-20220601143257-10.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +9.1 KB
Content
image-20220601143519-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +13.2 KB
Content
image-20220601143642-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +41.4 KB
Content
image-20220601143803-3.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +22.8 KB
Content
image-20220601143921-4.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +29.2 KB
Content
image-20220601144053-5.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +17.1 KB
Content
image-20220601144149-6.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +17.4 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0