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1 1  (% class="wikigeneratedid" %)
2 -*
3 -** Table of** **Contents:
2 + **Contents:**
4 4  
5 5  {{toc/}}
6 6  
... ... @@ -11,13 +11,11 @@
11 11  
12 12  = **1. Introduction** =
13 13  
14 -
15 15  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
16 16  
17 17  
18 18  == **1.1 Example 1: Connect to Leak relay and VFD** ==
19 19  
20 -
21 21  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:
22 22  
23 23  [[image:image-20220527091852-1.png]]
... ... @@ -37,12 +37,12 @@
37 37  * [[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.
38 38  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
39 39  
40 -== **1.2 Example 2: Connect to Pulse Counter** ==
41 41  
42 42  
39 +== **1.2 Example 2: Connect to Pulse Counter** ==
40 +
43 43  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:
44 44  
45 -
46 46  [[image:image-20220527092058-3.png]]
47 47  
48 48  Connection
... ... @@ -54,16 +54,17 @@
54 54  Connection
55 55  
56 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/]]
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
58 58  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
59 59  
57 +== ==
58 +
60 60  == **1.3 Example3: Use RS485-LN with energy meters** ==
61 61  
62 62  === **1.3.1 OverView** ===
63 63  
64 -
65 65  (((
66 -(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
64 +**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
67 67  )))
68 68  
69 69  (((
... ... @@ -77,9 +77,7 @@
77 77  
78 78  
79 79  (((
80 -**How to connect with Energy Meter：**
81 -
82 -
78 +How to connect with Energy Meter：
83 83  )))
84 84  
85 85  (((
... ... @@ -115,13 +115,15 @@
115 115  
116 116  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
117 117  
118 -
119 119  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.
120 120  
121 -[[image:image-20220601143257-10.png]]
116 +[[image:image-20220527092629-8.png]]
122 122  
123 123  
124 -(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
119 +(% class="box infomessage" %)
120 +(((
121 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
122 +)))
125 125  
126 126  * The first byte : slave address code (=001～247)
127 127  * The second byte : read register value function code
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130 130  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
131 131  
132 132  (((
133 -
134 -
135 -
136 136  How to parse the reading of the return command of the parameter：
132 +)))
137 137  
138 -(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
134 +(% class="box infomessage" %)
135 +(((
136 +**Example:** RETURN1：01 03 02 08 FD 7E 05
139 139  )))
140 140  
141 141  * The first byte ARD: slave address code (=001～254)
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148 148  (% class="wikigeneratedid" %)
149 149  (((
150 150  
151 -
152 -
153 -
154 154  )))
155 155  
156 156  === **1.3.3 How to configure RS485-LN and parse output commands** ===
157 157  
158 -
159 159  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
160 160  
161 161  
162 -==== **1.3.3.1 via AT COMMAND** ====
156 +==== **1.3.3.1 via AT COMMAND:** ====
163 163  
158 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
164 164  
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 -
167 167  (((
168 168  If the configured parameters and commands are incorrect, the return value is not obtained.
169 169  )))
170 170  
171 -[[image:image-20220601143201-9.png]]
164 +[[image:image-20220527092748-9.png]]
172 172  
173 173  AT COMMAND
174 174  
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175 175  
176 176  (% class="box infomessage" %)
177 177  (((
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
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
179 179  )))
180 180  
181 181  a:  length for the return of AT+COMMAND
... ... @@ -184,7 +184,7 @@
184 184  
185 185  c:  define the position for valid value.
186 186  
187 -[[image:image-20220601143115-8.png]]
180 +[[image:image-20220527092936-10.png]]
188 188  
189 189  AT COMMAND
190 190  
... ... @@ -193,7 +193,7 @@
193 193  PAYLOAD is available after the valid value is intercepted.
194 194  
195 195  
196 -[[image:image-20220601143046-7.png]]
189 +[[image:image-20220527093059-11.png]]
197 197  
198 198  AT COMMAND
199 199  
... ... @@ -201,7 +201,7 @@
201 201  
202 202  You can get configured PAYLOAD on TTN.
203 203  
204 -[[image:image-20220601143519-1.png]]
197 +[[image:image-20220527093133-12.png]]
205 205  
206 206  (((
207 207  AT COMMAND
... ... @@ -212,52 +212,52 @@
212 212  )))
213 213  
214 214  (((
215 -(% style="color:blue" %)**Example**:
208 +(% style="color:#4f81bd" %)**Example**:
216 216  
217 -CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
210 +CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
218 218  )))
219 219  
220 220  (((
221 -RETURN1: 01 03 02 00 02 39 85 00 00(return data)
214 +RETURN1:01 03 02 00 02 39 85 00 00(return data)
222 222  )))
223 223  
224 224  (((
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.
218 +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.
226 226  
227 227  
228 228  )))
229 229  
230 230  (((
231 -CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
224 +CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
232 232  )))
233 233  
234 234  (((
235 -RETURN2: 01 03 02 08 DC BE 1D(return data)
228 +RETURN2:01 03 02 08 DC BE 1D(return data)
236 236  )))
237 237  
238 238  (((
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.
232 +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.
240 240  
241 241  
242 242  )))
243 243  
244 244  (((
245 -CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
238 +CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
246 246  )))
247 247  
248 248  (((
249 -RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
242 +RETURN3:01 03 04 00 00 00 44 FA 00(return data)
250 250  )))
251 251  
252 252  (((
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.
246 +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.
254 254  )))
255 255  
256 256  (((
257 -Payload: 01 00 02 39 85 08 DC 00 00 00 44
250 +Payload:01 00 02 39 85 08 DC 00 00 00 44
258 258  )))
259 259  
260 -[[image:image-20220601142936-6.png]]
253 +[[image:image-20220527093204-13.png]]
261 261  
262 262  AT COMMAND
263 263  
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265 265  (% 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.**
266 266  
267 267  
268 -[[image:image-20220601143642-2.png]]
269 269  
262 +[[image:image-20220527093251-14.png]]
263 +
270 270  AT COMMAND
271 271  
272 272  
273 273  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
274 274  
275 -
276 276  [[image:image-20220527093358-15.png]]
277 277  
278 278  (((
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295 295  )))
296 296  
297 297  (((
298 -(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
291 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
299 299  )))
300 300  
301 301  (((
... ... @@ -333,7 +333,7 @@
333 333  (((
334 334  
335 335  
336 -(% style="color:blue" %)**Example:**
329 +(% style="color:#4f81bd" %)**Example:**
337 337  )))
338 338  
339 339  (((
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340 340  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
341 341  )))
342 342  
343 -[[image:image-20220601144149-6.png]]
336 +[[image:image-20220527093430-16.png]]
344 344  
345 345  DOWNLINK
346 346  
347 347  
348 348  
349 -[[image:image-20220601143803-3.png]]
342 +[[image:image-20220527093508-17.png]]
350 350  
351 351  DOWNLINK
352 352  
353 353  
354 354  
355 -[[image:image-20220601144053-5.png]]
348 +[[image:image-20220527093530-18.png]]
356 356  
357 357  DOWNLINK
358 358  
359 359  
360 360  
361 -[[image:image-20220601143921-4.png]]
354 +[[image:image-20220527093607-19.png]]
362 362  
363 363  DOWNLINK
364 364  
365 365  
366 366  
367 -[[image:image-20220601142805-5.png]]
360 +[[image:image-20220527093628-20.png]]
368 368  
369 369  DOWNLINK
370 370  
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389 389  
390 390  (((
391 391  check digit: Even
392 -
393 -
394 394  )))
395 395  
396 396  [[image:image-20220527093708-21.png]]
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407 407  
408 408  (((
409 409  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.
410 -
411 -
412 412  )))
413 413  
414 414  (((
415 -(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
404 +(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
416 416  )))
417 417  
418 418  (((
419 419   output：01 03 04 00 00 00 42 7A 02
420 -
421 -
422 422  )))
423 423  
424 424  [[image:image-20220527093821-23.png]]
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428 428  
429 429  === **1.3.5 How to configure multiple devices and modify device addresses** ===
430 430  
431 -
432 432  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.
433 433  
434 434  (((
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440 440  [[image:image-20220601142044-1.png]]
441 441  
442 442  
443 -(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
429 +**Example**:These two meters are examples of setting parameters and device addresses.
444 444  
445 445  [[image:image-20220527093950-25.png]]
446 446  
447 -
448 448  [[image:image-20220527094028-26.png]]
449 449  
450 450  (((
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502 502  * 08 DF is the valid value of the meter with device address 02.
503 503  * 43 62 is the valid value of the meter with device address 01.
504 504  
490 +
505 505  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
506 506  
507 507  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:
... ... @@ -512,6 +512,7 @@
512 512  
513 513  * [[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
514 514  
501 +
515 515  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
516 516  
517 517  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:
... ... @@ -520,6 +520,8 @@
520 520  
521 521  * [[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
522 522  
510 +
511 +
523 523  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
524 524  
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-LN to connect to CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below:
image-20220601142805-5.png
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