Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 60.9 >
edited by Xiaoling
on 2022/09/19 16:15
To version < 60.12 >
edited by Xiaoling
on 2022/12/14 14:22
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -7,28 +7,27 @@
7 7  
8 8  
9 9  
10 -= **1. Introduction** =
10 += 1. Introduction =
11 11  
12 12  
13 13  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
14 14  
15 15  
16 +== 1.1 Example 1: Connect to Leak relay and VFD ==
16 16  
17 -== **1.1 Example 1: Connect to Leak relay and VFD** ==
18 18  
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  
23 -[[image:image-20220527091852-1.png]]
22 +[[image:image-20220527091852-1.png||height="547" width="994"]]
24 24  
25 -Connection
24 +**Connection**
26 26  
27 27  
28 28  
29 29  [[image:image-20220527091942-2.png]](% style="display:none" %)
30 30  
31 -Connection
30 +**Connection**
32 32  
33 33  
34 34  (% style="color:blue" %)**Related documents:**
... ... @@ -39,21 +39,21 @@
39 39  
40 40  
41 41  
42 -== **1.2 Example 2: Connect to Pulse Counter** ==
41 +== 1.2 Example 2: Connect to Pulse Counter ==
43 43  
44 44  
45 45  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:
46 46  
47 47  
48 -[[image:image-20220527092058-3.png]]
47 +[[image:image-20220527092058-3.png||height="552" width="905"]]
49 49  
50 -Connection
49 +**Connection**
51 51  
52 52  
53 53  
54 -[[image:image-20220527092146-4.png]]
53 +[[image:image-20220527092146-4.png||height="507" width="906"]]
55 55  
56 -Connection
55 +**Connection**
57 57  
58 58  
59 59  (% style="color:blue" %)**Related documents:**
... ... @@ -63,12 +63,11 @@
63 63  
64 64  
65 65  
66 -== **1.3 Example3: Use RS485-LN with energy meters** ==
65 +== 1.3 Example 3: Use RS485-LN with energy meters ==
67 67  
67 +=== 1.3.1 OverView ===
68 68  
69 -=== **1.3.1 OverView** ===
70 70  
71 -
72 72  (((
73 73  (% style="color:red" %)**Note**：**The specifications of each energy meter are different, please refer to your own energy meter specifications.**
74 74  )))
... ... @@ -81,7 +81,7 @@
81 81  
82 82  [[image:image-20220527092419-5.png]]
83 83  
84 -Connection1
82 +**Connection1**
85 85  
86 86  
87 87  
... ... @@ -115,19 +115,18 @@
115 115  
116 116  [[image:image-20220527092514-6.png]]
117 117  
118 -Connection2
116 +**Connection2**
119 119  
120 120  
121 121  
122 122  [[image:image-20220527092555-7.png]]
123 123  
124 -Connection3
122 +**Connection3**
125 125  
126 126  
125 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
127 127  
128 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
129 129  
130 -
131 131  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.
132 132  
133 133  [[image:image-20220601143257-10.png]]
... ... @@ -161,20 +161,18 @@
161 161  (((
162 162  
163 163  
164 -
165 165  
166 166  )))
167 167  
168 -=== **1.3.3 How to configure RS485-LN and parse output commands** ===
164 +=== 1.3.3 How to configure RS485-LN and parse output commands ===
169 169  
170 170  
171 171  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
172 172  
173 173  
170 +==== 1.3.3.1 via AT COMMAND ====
174 174  
175 -==== **1.3.3.1 via AT COMMAND** ====
176 176  
177 -
178 178  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.
179 179  
180 180  (((
... ... @@ -185,7 +185,7 @@
185 185  
186 186  [[image:image-20220601143201-9.png]]
187 187  
188 -AT COMMAND
183 +**AT COMMAND**
189 189  
190 190  
191 191  (% class="box infomessage" %)
... ... @@ -201,16 +201,15 @@
201 201  
202 202  [[image:image-20220601143115-8.png]]
203 203  
204 -AT COMMAND
199 +**AT COMMAND**
205 205  
206 206  
207 207  
208 208  PAYLOAD is available after the valid value is intercepted.
209 209  
210 -
211 211  [[image:image-20220601143046-7.png]]
212 212  
213 -AT COMMAND
207 +**AT COMMAND**
214 214  
215 215  
216 216  
... ... @@ -219,13 +219,11 @@
219 219  [[image:image-20220601143519-1.png]]
220 220  
221 221  (((
222 -AT COMMAND
216 +**AT COMMAND**
223 223  )))
224 224  
225 225  (((
226 226  
227 -
228 -
229 229  )))
230 230  
231 231  (((
... ... @@ -292,13 +292,13 @@
292 292  
293 293  
294 294  
295 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
287 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
296 296  
297 297  
298 298  [[image:image-20220527093358-15.png]]
299 299  
300 300  (((
301 -DOWNLINK
293 +**DOWNLINK**
302 302  )))
303 303  
304 304  (((
... ... @@ -366,35 +366,34 @@
366 366  
367 367  [[image:image-20220601144149-6.png]]
368 368  
369 -DOWNLINK
361 +**DOWNLINK**
370 370  
371 371  
372 372  
373 373  [[image:image-20220601143803-3.png]]
374 374  
375 -DOWNLINK
367 +**DOWNLINK**
376 376  
377 377  
378 378  
379 379  [[image:image-20220601144053-5.png]]
380 380  
381 -DOWNLINK
373 +**DOWNLINK**
382 382  
383 383  
384 384  
385 385  [[image:image-20220601143921-4.png]]
386 386  
387 -DOWNLINK
379 +**DOWNLINK**
388 388  
389 389  
390 390  
391 391  [[image:image-20220601142805-5.png]]
392 392  
393 -DOWNLINK
394 -
385 +**DOWNLINK**
395 395  
396 396  
397 -=== **1.3.4 How to configure and output commands for RS485 to USB** ===
388 +=== 1.3.4 How to configure and output commands for RS485 to USB ===
398 398  
399 399  
400 400  (((
... ... @@ -421,13 +421,13 @@
421 421  
422 422  [[image:image-20220527093708-21.png]]
423 423  
424 -USB
415 +**USB**
425 425  
426 426  
427 427  
428 428  [[image:image-20220527093747-22.png]]
429 429  
430 -USB
421 +**USB**
431 431  
432 432  
433 433  
... ... @@ -449,11 +449,11 @@
449 449  
450 450  [[image:image-20220527093821-23.png]]
451 451  
452 -USB
443 +**USB**
453 453  
454 454  
455 455  
456 -=== **1.3.5 How to configure multiple devices and modify device addresses** ===
447 +=== 1.3.5 How to configure multiple devices and modify device addresses ===
457 457  
458 458  
459 459  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.
... ... @@ -502,9 +502,9 @@
502 502  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
503 503  )))
504 504  
505 -* 01:device adaress
496 +* 01: device adaress
506 506  
507 -* 10:function code
498 +* 10: function code
508 508  
509 509  * 00 61：Register address
510 510  
... ... @@ -533,9 +533,10 @@
533 533  * 08 DF is the valid value of the meter with device address 02.
534 534  * 43 62 is the valid value of the meter with device address 01.
535 535  
527 +(% style="display:none" %) (%%)
536 536  
529 +(% style="display:none" %) (%%)
537 537  
538 -
539 539  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
540 540  
541 541  
... ... @@ -552,7 +552,6 @@
552 552  
553 553  
554 554  
555 -
556 556  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
557 557  
558 558  
... ... @@ -563,7 +563,6 @@
563 563  
564 564  
565 565  
566 -
567 567  == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
568 568  
569 569  
... ... @@ -573,7 +573,6 @@
573 573  
574 574  
575 575  
576 -
577 577  == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
578 578  
579 579  

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0