Last modified by Karry Zhuang on 2024/07/11 11:58
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edited by Xiaoling
on 2022/06/01 14:12
To version < 57.8 >
edited by Xiaoling
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1 1  (% class="wikigeneratedid" %)
2 - **Contents:**
2 +*
3 +** Table of** **Contents:
3 3  
4 4  {{toc/}}
5 5  
... ... @@ -10,11 +10,13 @@
10 10  
11 11  = **1. Introduction** =
12 12  
14 +
13 13  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
14 14  
15 15  
16 16  == **1.1 Example 1: Connect to Leak relay and VFD** ==
17 17  
20 +
18 18  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:
19 19  
20 20  [[image:image-20220527091852-1.png]]
... ... @@ -34,12 +34,12 @@
34 34  * [[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 35  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
36 36  
37 -
38 -
39 39  == **1.2 Example 2: Connect to Pulse Counter** ==
40 40  
42 +
41 41  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:
42 42  
45 +
43 43  [[image:image-20220527092058-3.png]]
44 44  
45 45  Connection
... ... @@ -51,17 +51,16 @@
51 51  Connection
52 52  
53 53  
54 -* [[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
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/]]
55 55  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
56 56  
57 -== ==
58 -
59 59  == **1.3 Example3: Use RS485-LN with energy meters** ==
60 60  
61 61  === **1.3.1 OverView** ===
62 62  
64 +
63 63  (((
64 -**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.
65 65  )))
66 66  
67 67  (((
... ... @@ -75,7 +75,9 @@
75 75  
76 76  
77 77  (((
78 -How to connect with Energy Meter：
80 +**How to connect with Energy Meter：**
81 +
82 +
79 79  )))
80 80  
81 81  (((
... ... @@ -111,15 +111,13 @@
111 111  
112 112  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
113 113  
118 +
114 114  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.
115 115  
116 -[[image:image-20220527092629-8.png]]
121 +[[image:image-20220601143257-10.png]]
117 117  
118 118  
119 -(% class="box infomessage" %)
120 -(((
121 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
122 -)))
124 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
123 123  
124 124  * The first byte : slave address code (=001～247)
125 125  * The second byte : read register value function code
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128 128  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
129 129  
130 130  (((
133 +
134 +
135 +
131 131  How to parse the reading of the return command of the parameter：
132 -)))
133 133  
134 -(% class="box infomessage" %)
135 -(((
136 -**Example:** RETURN1：01 03 02 08 FD 7E 05
138 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
137 137  )))
138 138  
139 139  * The first byte ARD: slave address code (=001～254)
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146 146  (% class="wikigeneratedid" %)
147 147  (((
148 148  
151 +
152 +
153 +
149 149  )))
150 150  
151 151  === **1.3.3 How to configure RS485-LN and parse output commands** ===
152 152  
158 +
153 153  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
154 154  
155 155  
156 -==== **1.3.3.1 via AT COMMAND:** ====
162 +==== **1.3.3.1 via AT COMMAND** ====
157 157  
158 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
159 159  
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 +
160 160  (((
161 161  If the configured parameters and commands are incorrect, the return value is not obtained.
162 162  )))
163 163  
164 -[[image:image-20220527092748-9.png]]
171 +[[image:image-20220601143201-9.png]]
165 165  
166 166  AT COMMAND
167 167  
... ... @@ -168,31 +168,33 @@
168 168  
169 169  (% class="box infomessage" %)
170 170  (((
171 - 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
172 172  )))
173 173  
174 -a: length for the return of AT+COMMAND
181 +a:  length for the return of AT+COMMAND
175 175  
176 -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.
177 177  
178 -c: define the position for valid value.
185 +c:  define the position for valid value.
179 179  
180 -[[image:image-20220527092936-10.png]]
187 +[[image:image-20220601143115-8.png]]
181 181  
182 182  AT COMMAND
183 183  
184 184  
192 +
185 185  PAYLOAD is available after the valid value is intercepted.
186 186  
187 187  
188 -[[image:image-20220527093059-11.png]]
196 +[[image:image-20220601143046-7.png]]
189 189  
190 190  AT COMMAND
191 191  
192 192  
201 +
193 193  You can get configured PAYLOAD on TTN.
194 194  
195 -[[image:image-20220527093133-12.png]]
204 +[[image:image-20220601143519-1.png]]
196 196  
197 197  (((
198 198  AT COMMAND
... ... @@ -203,37 +203,37 @@
203 203  )))
204 204  
205 205  (((
206 -(% style="color:#4f81bd" %)**Example**:
215 +(% style="color:blue" %)**Example**:
207 207  
208 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
217 +CMD1:Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
209 209  )))
210 210  
211 211  (((
212 -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)
213 213  )))
214 214  
215 215  (((
216 -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.
217 217  
218 218  
219 219  )))
220 220  
221 221  (((
222 -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
223 223  )))
224 224  
225 225  (((
226 -RETURN2:01 03 02 08 DC BE 1D(return data)
235 +RETURN2: 01 03 02 08 DC BE 1D(return data)
227 227  )))
228 228  
229 229  (((
230 -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.
231 231  
232 232  
233 233  )))
234 234  
235 235  (((
236 -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
237 237  )))
238 238  
239 239  (((
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241 241  )))
242 242  
243 243  (((
244 -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.
245 245  )))
246 246  
247 247  (((
248 -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
249 249  )))
250 250  
251 -[[image:image-20220527093204-13.png]]
260 +[[image:image-20220601142936-6.png]]
252 252  
253 253  AT COMMAND
254 254  
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255 255  
256 256  (% 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.**
257 257  
258 -[[image:image-20220527093251-14.png]]
259 259  
268 +
269 +[[image:image-20220601143642-2.png]]
270 +
260 260  AT COMMAND
261 261  
262 262  
263 263  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
264 264  
276 +
265 265  [[image:image-20220527093358-15.png]]
266 266  
267 267  (((
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320 320  )))
321 321  
322 322  (((
335 +
336 +
323 323  (% style="color:#4f81bd" %)**Example:**
324 324  )))
325 325  
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327 327  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
328 328  )))
329 329  
330 -[[image:image-20220527093430-16.png]]
344 +[[image:image-20220601144149-6.png]]
331 331  
332 332  DOWNLINK
333 333  
334 334  
335 -[[image:image-20220527093508-17.png]]
336 336  
350 +[[image:image-20220601143803-3.png]]
351 +
337 337  DOWNLINK
338 338  
339 339  
340 -[[image:image-20220527093530-18.png]]
341 341  
356 +[[image:image-20220601144053-5.png]]
357 +
342 342  DOWNLINK
343 343  
344 344  
345 -[[image:image-20220527093607-19.png]]
346 346  
362 +[[image:image-20220601143921-4.png]]
363 +
347 347  DOWNLINK
348 348  
349 349  
350 -[[image:image-20220527093628-20.png]]
351 351  
368 +[[image:image-20220601142805-5.png]]
369 +
352 352  DOWNLINK
353 353  
354 354  
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379 379  USB
380 380  
381 381  
400 +
382 382  [[image:image-20220527093747-22.png]]
383 383  
384 384  USB
385 385  
386 386  
406 +
387 387  (((
388 388  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.
389 389  )))
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411 411  )))
412 412  )))
413 413  
414 -[[image:image-20220527093849-24.png]]
434 +[[image:image-20220601142044-1.png]]
415 415  
416 416  
417 417  **Example**:These two meters are examples of setting parameters and device addresses.
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418 418  
419 419  [[image:image-20220527093950-25.png]]
420 420  
441 +
421 421  [[image:image-20220527094028-26.png]]
422 422  
423 423  (((
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438 438  )))
439 439  )))
440 440  
441 -[[image:image-20220527094100-27.png]]
462 +[[image:image-20220601142354-2.png]]
442 442  
443 443  (% class="box infomessage" %)
444 444  (((
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465 465  
466 466  Its default device address is 01, and the following are the parameters for configuring two energy meters.
467 467  
468 -[[image:image-20220527094150-28.png]]
489 +[[image:image-20220601142452-3.png]]
469 469  
470 470  
471 -[[image:image-20220527094224-29.png]]
492 +[[image:image-20220601142607-4.png]]
472 472  
473 473  **PAYLOAD:01 08 DF 43 62**
474 474  
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475 475  * 08 DF is the valid value of the meter with device address 02.
476 476  * 43 62 is the valid value of the meter with device address 01.
477 477  
478 -
479 479  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
480 480  
481 481  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:
... ... @@ -486,7 +486,6 @@
486 486  
487 487  * [[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
488 488  
489 -
490 490  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
491 491  
492 492  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:
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