Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 57.6 >
edited by Xiaoling
on 2022/07/14 09:16
To version < 60.6 >
edited by Xiaoling
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1 -(% class="wikigeneratedid" %)
2 - ** Table of** **Contents:**
1 +**Table of Contents:**
3 3  
4 4  {{toc/}}
5 5  
... ... @@ -14,11 +14,13 @@
14 14  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
15 15  
16 16  
16 +
17 17  == **1.1 Example 1: Connect to Leak relay and VFD** ==
18 18  
19 19  
20 20  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:
21 21  
22 +
22 22  [[image:image-20220527091852-1.png]]
23 23  
24 24  Connection
... ... @@ -30,19 +30,20 @@
30 30  Connection
31 31  
32 32  
33 -Related documents:
34 +(% style="color:blue" %)**Related documents:**
34 34  
35 -* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
36 -* [[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 +* System Structure:  [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
37 +* 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/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
37 37  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
38 38  
39 39  
40 40  
41 -
42 42  == **1.2 Example 2: Connect to Pulse Counter** ==
43 43  
44 +
44 44  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:
45 45  
47 +
46 46  [[image:image-20220527092058-3.png]]
47 47  
48 48  Connection
... ... @@ -54,21 +54,27 @@
54 54  Connection
55 55  
56 56  
57 -* [[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
59 +(% style="color:blue" %)**Related documents:**
60 +
61 +* 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/||_mstmutation="1"]]
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  
60 -== ==
61 61  
65 +
62 62  == **1.3 Example3: Use RS485-LN with energy meters** ==
63 63  
68 +
64 64  === **1.3.1 OverView** ===
65 65  
71 +
66 66  (((
67 -**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
73 +(% style="color:red" %)**Note**：**The specifications of each energy meter are different, please refer to your own energy meter specifications.**
68 68  )))
69 69  
70 70  (((
71 71  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
78 +
79 +
72 72  )))
73 73  
74 74  [[image:image-20220527092419-5.png]]
... ... @@ -78,7 +78,9 @@
78 78  
79 79  
80 80  (((
81 -How to connect with Energy Meter：
89 +(% style="color:blue" %)**How to connect with Energy Meter：**
90 +
91 +
82 82  )))
83 83  
84 84  (((
... ... @@ -99,6 +99,8 @@
99 99  
100 100  (((
101 101  Once there is power, the RS485-LN will be on.
112 +
113 +
102 102  )))
103 103  
104 104  [[image:image-20220527092514-6.png]]
... ... @@ -112,17 +112,16 @@
112 112  Connection3
113 113  
114 114  
127 +
115 115  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
116 116  
130 +
117 117  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.
118 118  
119 119  [[image:image-20220601143257-10.png]]
120 120  
121 121  
122 -(% class="box infomessage" %)
123 -(((
124 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
125 -)))
136 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
126 126  
127 127  * The first byte : slave address code (=001～247)
128 128  * The second byte : read register value function code
... ... @@ -131,12 +131,12 @@
131 131  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
132 132  
133 133  (((
145 +
146 +
147 +
134 134  How to parse the reading of the return command of the parameter：
135 -)))
136 136  
137 -(% class="box infomessage" %)
138 -(((
139 -**Example:** RETURN1：01 03 02 08 FD 7E 05
150 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
140 140  )))
141 141  
142 142  * The first byte ARD: slave address code (=001～254)
... ... @@ -149,19 +149,27 @@
149 149  (% class="wikigeneratedid" %)
150 150  (((
151 151  
163 +
164 +
165 +
152 152  )))
153 153  
154 154  === **1.3.3 How to configure RS485-LN and parse output commands** ===
155 155  
170 +
156 156  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
157 157  
158 158  
159 -==== **1.3.3.1 via AT COMMAND:** ====
160 160  
161 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
175 +==== **1.3.3.1 via AT COMMAND** ====
162 162  
177 +
178 +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.
179 +
163 163  (((
164 164  If the configured parameters and commands are incorrect, the return value is not obtained.
182 +
183 +
165 165  )))
166 166  
167 167  [[image:image-20220601143201-9.png]]
... ... @@ -171,7 +171,7 @@
171 171  
172 172  (% class="box infomessage" %)
173 173  (((
174 - AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
193 + (% _mstmutation="1" %)**AT+DATACUTx **(%%):  This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
175 175  )))
176 176  
177 177  a:  length for the return of AT+COMMAND
... ... @@ -205,52 +205,57 @@
205 205  
206 206  (((
207 207  
227 +
228 +
208 208  )))
209 209  
210 210  (((
211 -(% style="color:#4f81bd" %)**Example**:
232 +(% style="color:blue" %)**Example**:
212 212  
213 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
234 +
235 +(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
214 214  )))
215 215  
216 216  (((
217 -RETURN1:01 03 02 00 02 39 85 00 00(return data)
239 +RETURN1: 01 03 02 00 02 39 85 00 00(return data)
218 218  )))
219 219  
220 220  (((
221 -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.
243 +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.
222 222  
223 223  
224 224  )))
225 225  
226 226  (((
227 -CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
249 +(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
228 228  )))
229 229  
230 230  (((
231 -RETURN2:01 03 02 08 DC BE 1D(return data)
253 +RETURN2: 01 03 02 08 DC BE 1D(return data)
232 232  )))
233 233  
234 234  (((
235 -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.
257 +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.
236 236  
237 237  
238 238  )))
239 239  
240 240  (((
241 -CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
263 +(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
242 242  )))
243 243  
244 244  (((
245 -RETURN3:01 03 04 00 00 00 44 FA 00(return data)
267 +RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
246 246  )))
247 247  
248 248  (((
249 -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.
271 +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.
250 250  )))
251 251  
252 252  (((
253 -Payload:01 00 02 39 85 08 DC 00 00 00 44
275 +Payload: 01 00 02 39 85 08 DC 00 00 00 44
276 +
277 +
254 254  )))
255 255  
256 256  [[image:image-20220601142936-6.png]]
... ... @@ -258,8 +258,8 @@
258 258  AT COMMAND
259 259  
260 260  
261 -(% 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.**
262 262  
286 +(% style="color:blue" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
263 263  
264 264  
265 265  [[image:image-20220601143642-2.png]]
... ... @@ -267,8 +267,10 @@
267 267  AT COMMAND
268 268  
269 269  
294 +
270 270  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
271 271  
297 +
272 272  [[image:image-20220527093358-15.png]]
273 273  
274 274  (((
... ... @@ -291,7 +291,9 @@
291 291  )))
292 292  
293 293  (((
294 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
320 +(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
321 +
322 +
295 295  )))
296 296  
297 297  (((
... ... @@ -329,7 +329,7 @@
329 329  (((
330 330  
331 331  
332 -(% style="color:#4f81bd" %)**Example:**
360 +(% style="color:blue" %)**Example:**
333 333  )))
334 334  
335 335  (((
... ... @@ -365,8 +365,10 @@
365 365  DOWNLINK
366 366  
367 367  
396 +
368 368  === **1.3.4 How to configure and output commands for RS485 to USB** ===
369 369  
399 +
370 370  (((
371 371  This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN.
372 372  )))
... ... @@ -385,6 +385,8 @@
385 385  
386 386  (((
387 387  check digit: Even
418 +
419 +
388 388  )))
389 389  
390 390  [[image:image-20220527093708-21.png]]
... ... @@ -401,14 +401,18 @@
401 401  
402 402  (((
403 403  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.
436 +
437 +
404 404  )))
405 405  
406 406  (((
407 -(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
441 +(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
408 408  )))
409 409  
410 410  (((
411 411   output：01 03 04 00 00 00 42 7A 02
446 +
447 +
412 412  )))
413 413  
414 414  [[image:image-20220527093821-23.png]]
... ... @@ -416,8 +416,10 @@
416 416  USB
417 417  
418 418  
455 +
419 419  === **1.3.5 How to configure multiple devices and modify device addresses** ===
420 420  
458 +
421 421  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.
422 422  
423 423  (((
... ... @@ -429,7 +429,7 @@
429 429  [[image:image-20220601142044-1.png]]
430 430  
431 431  
432 -**Example**:These two meters are examples of setting parameters and device addresses.
470 +(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
433 433  
434 434  [[image:image-20220527093950-25.png]]
435 435  
... ... @@ -436,6 +436,7 @@
436 436  
437 437  [[image:image-20220527094028-26.png]]
438 438  
477 +
439 439  (((
440 440  (((
441 441  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.
... ... @@ -444,7 +444,7 @@
444 444  
445 445  (((
446 446  (((
447 -We can use AT+CFGDEV to set the device address.
486 +We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address.
448 448  )))
449 449  )))
450 450  
... ... @@ -456,6 +456,7 @@
456 456  
457 457  [[image:image-20220601142354-2.png]]
458 458  
498 +
459 459  (% class="box infomessage" %)
460 460  (((
461 461  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
... ... @@ -486,40 +486,47 @@
486 486  
487 487  [[image:image-20220601142607-4.png]]
488 488  
489 -**PAYLOAD:01 08 DF 43 62**
490 490  
530 +(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62**
531 +
491 491  * 08 DF is the valid value of the meter with device address 02.
492 492  * 43 62 is the valid value of the meter with device address 01.
493 493  
494 -
495 495  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
496 496  
497 -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:
498 498  
538 +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.
539 +
540 +The structure is like below:
541 +
499 499  [[image:image-20220527094330-30.png]]
500 500  
501 501  Connection
502 502  
503 -* [[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
504 504  
547 +* 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/||_mstmutation="1"]]
548 +
505 505  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
506 506  
551 +
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-BL to connect to SEM Three Energy Meter and send the data to mobile phone for remote minitor. The structure is like below:
508 508  
509 -* [[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
554 +* 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||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
555 +* 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||_mstmutation="1"]]
510 510  
511 -* [[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
557 +== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
512 512  
513 -== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
514 514  
515 515  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:
516 516  
517 -* [[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
562 +* 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||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
518 518  
519 -== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
564 +== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
520 520  
566 +
521 521  [[image:image-20220527094556-31.png]]
522 522  
523 523  Network Structure
524 524  
571 +
525 525  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]

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