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<
From version < 57.25 >
edited by Xiaoling
on 2022/07/14 10:16
To version < 52.1 >
edited by Xiaoling
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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  
... ... @@ -39,10 +39,8 @@
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
... ... @@ -54,21 +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 64  == **1.3 Example3: Use RS485-LN with energy meters** ==
65 65  
66 -
67 67  === **1.3.1 OverView** ===
68 68  
69 -
70 70  (((
71 -(% 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.
72 72  )))
73 73  
74 74  (((
... ... @@ -82,9 +82,7 @@
82 82  
83 83  
84 84  (((
85 -(% style="color:blue" %)**How to connect with Energy Meter：**
86 -
87 -
78 +How to connect with Energy Meter：
88 88  )))
89 89  
90 90  (((
... ... @@ -112,21 +112,23 @@
112 112  Connection2
113 113  
114 114  
106 +
115 115  [[image:image-20220527092555-7.png]]
116 116  
117 117  Connection3
118 118  
119 119  
120 -
121 121  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
122 122  
123 -
124 124  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.
125 125  
126 126  [[image:image-20220601143257-10.png]]
127 127  
128 128  
129 -(% 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 +)))
130 130  
131 131  * The first byte : slave address code (=001～247)
132 132  * The second byte : read register value function code
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135 135  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
136 136  
137 137  (((
138 -
139 -
140 -
141 141  How to parse the reading of the return command of the parameter：
132 +)))
142 142  
143 -(% 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
144 144  )))
145 145  
146 146  * The first byte ARD: slave address code (=001～254)
... ... @@ -153,23 +153,17 @@
153 153  (% class="wikigeneratedid" %)
154 154  (((
155 155  
156 -
157 -
158 -
159 159  )))
160 160  
161 161  === **1.3.3 How to configure RS485-LN and parse output commands** ===
162 162  
163 -
164 164  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
165 165  
166 166  
156 +==== **1.3.3.1 via AT COMMAND:** ====
167 167  
168 -==== **1.3.3.1 via AT COMMAND** ====
158 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
169 169  
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  )))
... ... @@ -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
... ... @@ -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
... ... @@ -218,49 +218,49 @@
218 218  )))
219 219  
220 220  (((
221 -(% style="color:blue" %)**Example**:
208 +(% style="color:#4f81bd" %)**Example**:
222 222  
223 -(% style="color:red" %)**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 -(% style="color:red" %)**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 -(% style="color:red" %)**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  
266 266  [[image:image-20220601142936-6.png]]
... ... @@ -271,15 +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 -
280 280  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
281 281  
282 -
283 283  [[image:image-20220527093358-15.png]]
284 284  
285 285  (((
... ... @@ -302,7 +302,7 @@
302 302  )))
303 303  
304 304  (((
305 -(% 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.
306 306  )))
307 307  
308 308  (((
... ... @@ -340,7 +340,7 @@
340 340  (((
341 341  
342 342  
343 -(% style="color:blue" %)**Example:**
329 +(% style="color:#4f81bd" %)**Example:**
344 344  )))
345 345  
346 346  (((
... ... @@ -347,25 +347,25 @@
347 347  **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
348 348  )))
349 349  
350 -[[image:image-20220601144149-6.png]]
336 +[[image:image-20220527093430-16.png]]
351 351  
352 352  DOWNLINK
353 353  
354 354  
355 355  
356 -[[image:image-20220601143803-3.png]]
342 +[[image:image-20220527093508-17.png]]
357 357  
358 358  DOWNLINK
359 359  
360 360  
361 361  
362 -[[image:image-20220601144053-5.png]]
348 +[[image:image-20220527093530-18.png]]
363 363  
364 364  DOWNLINK
365 365  
366 366  
367 367  
368 -[[image:image-20220601143921-4.png]]
354 +[[image:image-20220527093607-19.png]]
369 369  
370 370  DOWNLINK
371 371  
... ... @@ -376,7 +376,6 @@
376 376  DOWNLINK
377 377  
378 378  
379 -
380 380  === **1.3.4 How to configure and output commands for RS485 to USB** ===
381 381  
382 382  (((
... ... @@ -397,8 +397,6 @@
397 397  
398 398  (((
399 399  check digit: Even
400 -
401 -
402 402  )))
403 403  
404 404  [[image:image-20220527093708-21.png]]
... ... @@ -415,18 +415,14 @@
415 415  
416 416  (((
417 417  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.
418 -
419 -
420 420  )))
421 421  
422 422  (((
423 -(% 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
424 424  )))
425 425  
426 426  (((
427 427   output：01 03 04 00 00 00 42 7A 02
428 -
429 -
430 430  )))
431 431  
432 432  [[image:image-20220527093821-23.png]]
... ... @@ -434,10 +434,8 @@
434 434  USB
435 435  
436 436  
437 -
438 438  === **1.3.5 How to configure multiple devices and modify device addresses** ===
439 439  
440 -
441 441  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.
442 442  
443 443  (((
... ... @@ -449,14 +449,12 @@
449 449  [[image:image-20220601142044-1.png]]
450 450  
451 451  
452 -(% 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.
453 453  
454 454  [[image:image-20220527093950-25.png]]
455 455  
456 -
457 457  [[image:image-20220527094028-26.png]]
458 458  
459 -
460 460  (((
461 461  (((
462 462  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.
... ... @@ -465,7 +465,7 @@
465 465  
466 466  (((
467 467  (((
468 -We can use **AT+CFGDEV** to set the device address.
443 +We can use AT+CFGDEV to set the device address.
469 469  )))
470 470  )))
471 471  
... ... @@ -477,7 +477,6 @@
477 477  
478 478  [[image:image-20220601142354-2.png]]
479 479  
480 -
481 481  (% class="box infomessage" %)
482 482  (((
483 483  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -508,59 +508,45 @@
508 508  
509 509  [[image:image-20220601142607-4.png]]
510 510  
485 +**PAYLOAD:01 08 DF 43 62**
511 511  
512 -(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62**
513 -
514 514  * 08 DF is the valid value of the meter with device address 02.
515 515  * 43 62 is the valid value of the meter with device address 01.
516 516  
517 517  
518 -
519 -
520 520  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
521 521  
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:
522 522  
523 -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.
524 -
525 -The structure is like below:
526 -
527 527  [[image:image-20220527094330-30.png]]
528 528  
529 529  Connection
530 530  
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
531 531  
532 -* 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/]]
533 533  
534 -
535 -
536 -
537 537  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
538 538  
539 -
540 540  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:
541 541  
542 -* 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);"]]
543 -* 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
544 544  
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
545 545  
546 546  
547 547  
548 -== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
512 +== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
549 549  
550 -
551 551  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:
552 552  
553 -* 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
554 554  
555 555  
556 556  
520 +== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
557 557  
558 -== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
559 -
560 -
561 561  [[image:image-20220527094556-31.png]]
562 562  
563 563  Network Structure
564 564  
565 -
566 566  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
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