Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 57.16 >
edited by Xiaoling
on 2022/07/14 09:55
To version < 46.2 >
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1 -**Table of Contents:**
1 +(% class="wikigeneratedid" %)
2 + **Contents:**
2 2  
3 3  {{toc/}}
4 4  
... ... @@ -9,13 +9,11 @@
9 9  
10 10  = **1. Introduction** =
11 11  
12 -
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  
18 -
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  [[image:image-20220527091852-1.png]]
... ... @@ -29,10 +29,10 @@
29 29  Connection
30 30  
31 31  
32 -(% style="color:blue" %)**Related documents:**
31 +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/||style="background-color: rgb(255, 255, 255);"]]
35 -* 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/||style="background-color: rgb(255, 255, 255);"]]
33 +* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
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.
36 36  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
37 37  
38 38  
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39 39  
40 40  == **1.2 Example 2: Connect to Pulse Counter** ==
41 41  
42 -
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
... ... @@ -54,22 +54,17 @@
54 54  Connection
55 55  
56 56  
57 -(% style="color:blue" %)**Related documents:**
58 -
59 -* 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
60 60  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
61 61  
57 +== ==
62 62  
63 -
64 -
65 65  == **1.3 Example3: Use RS485-LN with energy meters** ==
66 66  
67 -
68 68  === **1.3.1 OverView** ===
69 69  
70 -
71 71  (((
72 -(% 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.
73 73  )))
74 74  
75 75  (((
... ... @@ -83,9 +83,7 @@
83 83  
84 84  
85 85  (((
86 -(% style="color:blue" %)**How to connect with Energy Meter：**
87 -
88 -
78 +How to connect with Energy Meter：
89 89  )))
90 90  
91 91  (((
... ... @@ -121,13 +121,15 @@
121 121  
122 122  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
123 123  
124 -
125 125  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.
126 126  
127 -[[image:image-20220601143257-10.png]]
116 +[[image:image-20220527092629-8.png]]
128 128  
129 129  
130 -(% 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 +)))
131 131  
132 132  * The first byte : slave address code (=001～247)
133 133  * The second byte : read register value function code
... ... @@ -136,12 +136,12 @@
136 136  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
137 137  
138 138  (((
139 -
140 -
141 -
142 142  How to parse the reading of the return command of the parameter：
132 +)))
143 143  
144 -(% 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
145 145  )))
146 146  
147 147  * The first byte ARD: slave address code (=001～254)
... ... @@ -154,27 +154,22 @@
154 154  (% class="wikigeneratedid" %)
155 155  (((
156 156  
157 -
158 -
159 -
160 160  )))
161 161  
162 162  === **1.3.3 How to configure RS485-LN and parse output commands** ===
163 163  
164 -
165 165  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
166 166  
167 167  
168 -==== **1.3.3.1 via AT COMMAND** ====
156 +==== **1.3.3.1 via AT COMMAND:** ====
169 169  
158 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
170 170  
171 -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.
172 -
173 173  (((
174 174  If the configured parameters and commands are incorrect, the return value is not obtained.
175 175  )))
176 176  
177 -[[image:image-20220601143201-9.png]]
164 +[[image:image-20220527092748-9.png]]
178 178  
179 179  AT COMMAND
180 180  
... ... @@ -181,7 +181,7 @@
181 181  
182 182  (% class="box infomessage" %)
183 183  (((
184 - **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
185 185  )))
186 186  
187 187  a:  length for the return of AT+COMMAND
... ... @@ -190,7 +190,7 @@
190 190  
191 191  c:  define the position for valid value.
192 192  
193 -[[image:image-20220601143115-8.png]]
180 +[[image:image-20220527092936-10.png]]
194 194  
195 195  AT COMMAND
196 196  
... ... @@ -199,7 +199,7 @@
199 199  PAYLOAD is available after the valid value is intercepted.
200 200  
201 201  
202 -[[image:image-20220601143046-7.png]]
189 +[[image:image-20220527093059-11.png]]
203 203  
204 204  AT COMMAND
205 205  
... ... @@ -207,7 +207,7 @@
207 207  
208 208  You can get configured PAYLOAD on TTN.
209 209  
210 -[[image:image-20220601143519-1.png]]
197 +[[image:image-20220527093133-12.png]]
211 211  
212 212  (((
213 213  AT COMMAND
... ... @@ -218,52 +218,52 @@
218 218  )))
219 219  
220 220  (((
221 -(% style="color:blue" %)**Example**:
208 +(% style="color:#4f81bd" %)**Example**:
222 222  
223 -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
224 224  )))
225 225  
226 226  (((
227 -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)
228 228  )))
229 229  
230 230  (((
231 -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.
232 232  
233 233  
234 234  )))
235 235  
236 236  (((
237 -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
238 238  )))
239 239  
240 240  (((
241 -RETURN2: 01 03 02 08 DC BE 1D(return data)
228 +RETURN2:01 03 02 08 DC BE 1D(return data)
242 242  )))
243 243  
244 244  (((
245 -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.
246 246  
247 247  
248 248  )))
249 249  
250 250  (((
251 -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
252 252  )))
253 253  
254 254  (((
255 -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)
256 256  )))
257 257  
258 258  (((
259 -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.
260 260  )))
261 261  
262 262  (((
263 -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
264 264  )))
265 265  
266 -[[image:image-20220601142936-6.png]]
253 +[[image:image-20220527093204-13.png]]
267 267  
268 268  AT COMMAND
269 269  
... ... @@ -271,14 +271,14 @@
271 271  (% 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.**
272 272  
273 273  
274 -[[image:image-20220601143642-2.png]]
275 275  
262 +[[image:image-20220527093251-14.png]]
263 +
276 276  AT COMMAND
277 277  
278 278  
279 279  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
280 280  
281 -
282 282  [[image:image-20220527093358-15.png]]
283 283  
284 284  (((
... ... @@ -301,7 +301,7 @@
301 301  )))
302 302  
303 303  (((
304 -(% 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.
305 305  )))
306 306  
307 307  (((
... ... @@ -339,7 +339,7 @@
339 339  (((
340 340  
341 341  
342 -(% style="color:blue" %)**Example:**
329 +(% style="color:#4f81bd" %)**Example:**
343 343  )))
344 344  
345 345  (((
... ... @@ -346,25 +346,25 @@
346 346  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
347 347  )))
348 348  
349 -[[image:image-20220601144149-6.png]]
336 +[[image:image-20220527093430-16.png]]
350 350  
351 351  DOWNLINK
352 352  
353 353  
354 354  
355 -[[image:image-20220601143803-3.png]]
342 +[[image:image-20220527093508-17.png]]
356 356  
357 357  DOWNLINK
358 358  
359 359  
360 360  
361 -[[image:image-20220601144053-5.png]]
348 +[[image:image-20220527093530-18.png]]
362 362  
363 363  DOWNLINK
364 364  
365 365  
366 366  
367 -[[image:image-20220601143921-4.png]]
354 +[[image:image-20220527093607-19.png]]
368 368  
369 369  DOWNLINK
370 370  
... ... @@ -395,8 +395,6 @@
395 395  
396 396  (((
397 397  check digit: Even
398 -
399 -
400 400  )))
401 401  
402 402  [[image:image-20220527093708-21.png]]
... ... @@ -413,18 +413,14 @@
413 413  
414 414  (((
415 415  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.
416 -
417 -
418 418  )))
419 419  
420 420  (((
421 -(% 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
422 422  )))
423 423  
424 424  (((
425 425   output：01 03 04 00 00 00 42 7A 02
426 -
427 -
428 428  )))
429 429  
430 430  [[image:image-20220527093821-23.png]]
... ... @@ -434,7 +434,6 @@
434 434  
435 435  === **1.3.5 How to configure multiple devices and modify device addresses** ===
436 436  
437 -
438 438  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.
439 439  
440 440  (((
... ... @@ -446,14 +446,12 @@
446 446  [[image:image-20220601142044-1.png]]
447 447  
448 448  
449 -(% 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.
450 450  
451 451  [[image:image-20220527093950-25.png]]
452 452  
453 -
454 454  [[image:image-20220527094028-26.png]]
455 455  
456 -
457 457  (((
458 458  (((
459 459  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.
... ... @@ -462,7 +462,7 @@
462 462  
463 463  (((
464 464  (((
465 -We can use **AT+CFGDEV** to set the device address.
443 +We can use AT+CFGDEV to set the device address.
466 466  )))
467 467  )))
468 468  
... ... @@ -474,7 +474,6 @@
474 474  
475 475  [[image:image-20220601142354-2.png]]
476 476  
477 -
478 478  (% class="box infomessage" %)
479 479  (((
480 480  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
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505 505  
506 506  [[image:image-20220601142607-4.png]]
507 507  
508 -
509 509  **PAYLOAD:01 08 DF 43 62**
510 510  
511 511  * 08 DF is the valid value of the meter with device address 02.
... ... @@ -512,48 +512,39 @@
512 512  * 43 62 is the valid value of the meter with device address 01.
513 513  
514 514  
515 -
516 516  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
517 517  
493 +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:
518 518  
519 -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.
520 -
521 -The structure is like below:
522 -
523 523  [[image:image-20220527094330-30.png]]
524 524  
525 525  Connection
526 526  
499 +* [[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
527 527  
528 -* 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/]]
529 529  
530 -
531 -
532 532  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
533 533  
534 -
535 535  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:
536 536  
537 -* 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||style="background-color: rgb(255, 255, 255);"]]
538 -* 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]]
506 +* [[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
539 539  
508 +* [[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
540 540  
541 541  
542 -== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
543 543  
512 +== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
544 544  
545 545  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:
546 546  
547 -* 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||style="background-color: rgb(255, 255, 255);"]]
516 +* [[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
548 548  
549 549  
550 550  
551 -== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
520 +== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
552 552  
553 -
554 554  [[image:image-20220527094556-31.png]]
555 555  
556 556  Network Structure
557 557  
558 -
559 559  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
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