Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 57.21 >
edited by Xiaoling
on 2022/07/14 10:12
To version < 55.1 >
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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]]
... ... @@ -29,20 +29,17 @@
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 -
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
... ... @@ -54,20 +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/]]
53 +* [[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  
56 +== ==
62 62  
63 63  == **1.3 Example3: Use RS485-LN with energy meters** ==
64 64  
65 -
66 66  === **1.3.1 OverView** ===
67 67  
68 -
69 69  (((
70 -(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
63 +**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
71 71  )))
72 72  
73 73  (((
... ... @@ -81,9 +81,7 @@
81 81  
82 82  
83 83  (((
84 -(% style="color:blue" %)**How to connect with Energy Meter：**
85 -
86 -
77 +How to connect with Energy Meter：
87 87  )))
88 88  
89 89  (((
... ... @@ -111,21 +111,23 @@
111 111  Connection2
112 112  
113 113  
105 +
114 114  [[image:image-20220527092555-7.png]]
115 115  
116 116  Connection3
117 117  
118 118  
119 -
120 120  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
121 121  
122 -
123 123  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.
124 124  
125 125  [[image:image-20220601143257-10.png]]
126 126  
127 127  
128 -(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
118 +(% class="box infomessage" %)
119 +(((
120 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
121 +)))
129 129  
130 130  * The first byte : slave address code (=001～247)
131 131  * The second byte : read register value function code
... ... @@ -134,12 +134,12 @@
134 134  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
135 135  
136 136  (((
137 -
138 -
139 -
140 140  How to parse the reading of the return command of the parameter：
131 +)))
141 141  
142 -(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
133 +(% class="box infomessage" %)
134 +(((
135 +**Example:** RETURN1：01 03 02 08 FD 7E 05
143 143  )))
144 144  
145 145  * The first byte ARD: slave address code (=001～254)
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152 152  (% class="wikigeneratedid" %)
153 153  (((
154 154  
155 -
156 -
157 -
158 158  )))
159 159  
160 160  === **1.3.3 How to configure RS485-LN and parse output commands** ===
161 161  
162 -
163 163  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
164 164  
165 165  
155 +==== **1.3.3.1 via AT COMMAND:** ====
166 166  
167 -==== **1.3.3.1 via AT COMMAND** ====
157 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
168 168  
169 -
170 -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.
171 -
172 172  (((
173 173  If the configured parameters and commands are incorrect, the return value is not obtained.
174 174  )))
... ... @@ -180,7 +180,7 @@
180 180  
181 181  (% class="box infomessage" %)
182 182  (((
183 - **AT+DATACUTx **:  This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
170 + AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
184 184  )))
185 185  
186 186  a:  length for the return of AT+COMMAND
... ... @@ -217,49 +217,49 @@
217 217  )))
218 218  
219 219  (((
220 -(% style="color:blue" %)**Example**:
207 +(% style="color:#4f81bd" %)**Example**:
221 221  
222 -(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
209 +CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
223 223  )))
224 224  
225 225  (((
226 -RETURN1: 01 03 02 00 02 39 85 00 00(return data)
213 +RETURN1:01 03 02 00 02 39 85 00 00(return data)
227 227  )))
228 228  
229 229  (((
230 -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 +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.
231 231  
232 232  
233 233  )))
234 234  
235 235  (((
236 -(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
223 +CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
237 237  )))
238 238  
239 239  (((
240 -RETURN2: 01 03 02 08 DC BE 1D(return data)
227 +RETURN2:01 03 02 08 DC BE 1D(return data)
241 241  )))
242 242  
243 243  (((
244 -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 +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.
245 245  
246 246  
247 247  )))
248 248  
249 249  (((
250 -(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
237 +CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
251 251  )))
252 252  
253 253  (((
254 -RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
241 +RETURN3:01 03 04 00 00 00 44 FA 00(return data)
255 255  )))
256 256  
257 257  (((
258 -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 +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.
259 259  )))
260 260  
261 261  (((
262 -Payload: 01 00 02 39 85 08 DC 00 00 00 44
249 +Payload:01 00 02 39 85 08 DC 00 00 00 44
263 263  )))
264 264  
265 265  [[image:image-20220601142936-6.png]]
... ... @@ -270,15 +270,14 @@
270 270  (% 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.**
271 271  
272 272  
260 +
273 273  [[image:image-20220601143642-2.png]]
274 274  
275 275  AT COMMAND
276 276  
277 277  
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.
290 +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:**
328 +(% style="color:#4f81bd" %)**Example:**
343 343  )))
344 344  
345 345  (((
... ... @@ -346,7 +346,7 @@
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]]
335 +[[image:image-20220527093430-16.png]]
350 350  
351 351  DOWNLINK
352 352  
... ... @@ -358,13 +358,13 @@
358 358  
359 359  
360 360  
361 -[[image:image-20220601144053-5.png]]
347 +[[image:image-20220527093530-18.png]]
362 362  
363 363  DOWNLINK
364 364  
365 365  
366 366  
367 -[[image:image-20220601143921-4.png]]
353 +[[image:image-20220527093607-19.png]]
368 368  
369 369  DOWNLINK
370 370  
... ... @@ -375,7 +375,6 @@
375 375  DOWNLINK
376 376  
377 377  
378 -
379 379  === **1.3.4 How to configure and output commands for RS485 to USB** ===
380 380  
381 381  (((
... ... @@ -396,8 +396,6 @@
396 396  
397 397  (((
398 398  check digit: Even
399 -
400 -
401 401  )))
402 402  
403 403  [[image:image-20220527093708-21.png]]
... ... @@ -414,18 +414,14 @@
414 414  
415 415  (((
416 416  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.
417 -
418 -
419 419  )))
420 420  
421 421  (((
422 -(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
403 +(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
423 423  )))
424 424  
425 425  (((
426 426   output：01 03 04 00 00 00 42 7A 02
427 -
428 -
429 429  )))
430 430  
431 431  [[image:image-20220527093821-23.png]]
... ... @@ -433,10 +433,8 @@
433 433  USB
434 434  
435 435  
436 -
437 437  === **1.3.5 How to configure multiple devices and modify device addresses** ===
438 438  
439 -
440 440  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.
441 441  
442 442  (((
... ... @@ -448,14 +448,12 @@
448 448  [[image:image-20220601142044-1.png]]
449 449  
450 450  
451 -(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
428 +**Example**:These two meters are examples of setting parameters and device addresses.
452 452  
453 453  [[image:image-20220527093950-25.png]]
454 454  
455 -
456 456  [[image:image-20220527094028-26.png]]
457 457  
458 -
459 459  (((
460 460  (((
461 461  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.
... ... @@ -464,7 +464,7 @@
464 464  
465 465  (((
466 466  (((
467 -We can use **AT+CFGDEV** to set the device address.
442 +We can use AT+CFGDEV to set the device address.
468 468  )))
469 469  )))
470 470  
... ... @@ -476,7 +476,6 @@
476 476  
477 477  [[image:image-20220601142354-2.png]]
478 478  
479 -
480 480  (% class="box infomessage" %)
481 481  (((
482 482  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -507,53 +507,41 @@
507 507  
508 508  [[image:image-20220601142607-4.png]]
509 509  
484 +**PAYLOAD:01 08 DF 43 62**
510 510  
511 -(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62**
512 -
513 513  * 08 DF is the valid value of the meter with device address 02.
514 514  * 43 62 is the valid value of the meter with device address 01.
515 515  
516 -
517 -
518 -
519 519  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
520 520  
491 +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:
521 521  
522 -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.
523 -
524 -The structure is like below:
525 -
526 526  [[image:image-20220527094330-30.png]]
527 527  
528 528  Connection
529 529  
497 +* [[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
530 530  
531 -* 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/]]
532 -
533 -
534 -
535 -
536 536  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
537 537  
538 -
539 539  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:
540 540  
541 -* 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);"]]
542 -* 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]]
503 +* [[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
543 543  
544 -== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
505 +* [[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  
508 +== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
509 +
547 547  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:
548 548  
549 -* 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);"]]
512 +* [[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
550 550  
551 -== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
552 552  
515 +== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
553 553  
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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