Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 60.3 >
edited by Xiaoling
on 2022/07/22 17:45
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
... ... @@ -7,26 +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 +== 1.1 Example 1: Connect to Leak relay and VFD ==
17 17  
18 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 -[[image:image-20220527091852-1.png]]
22 22  
23 -Connection
22 +[[image:image-20220527091852-1.png||height="547" width="994"]]
24 24  
24 +**Connection**
25 25  
26 26  
27 +
27 27  [[image:image-20220527091942-2.png]](% style="display:none" %)
28 28  
29 -Connection
30 +**Connection**
30 30  
31 31  
32 32  (% style="color:blue" %)**Related documents:**
... ... @@ -37,22 +37,21 @@
37 37  
38 38  
39 39  
41 +== 1.2 Example 2: Connect to Pulse Counter ==
40 40  
41 -== **1.2 Example 2: Connect to Pulse Counter** ==
42 42  
43 -
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  
46 46  
47 -[[image:image-20220527092058-3.png]]
47 +[[image:image-20220527092058-3.png||height="552" width="905"]]
48 48  
49 -Connection
49 +**Connection**
50 50  
51 51  
52 52  
53 -[[image:image-20220527092146-4.png]]
53 +[[image:image-20220527092146-4.png||height="507" width="906"]]
54 54  
55 -Connection
55 +**Connection**
56 56  
57 57  
58 58  (% style="color:blue" %)**Related documents:**
... ... @@ -62,24 +62,24 @@
62 62  
63 63  
64 64  
65 +== 1.3 Example 3: Use RS485-LN with energy meters ==
65 65  
66 -== **1.3 Example3: Use RS485-LN with energy meters** ==
67 +=== 1.3.1 OverView ===
67 67  
68 68  
69 -=== **1.3.1 OverView** ===
70 -
71 -
72 72  (((
73 -(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
71 +(% style="color:red" %)**Note**：**The specifications of each energy meter are different, please refer to your own energy meter specifications.**
74 74  )))
75 75  
76 76  (((
77 77  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
76 +
77 +
78 78  )))
79 79  
80 80  [[image:image-20220527092419-5.png]]
81 81  
82 -Connection1
82 +**Connection1**
83 83  
84 84  
85 85  
... ... @@ -113,19 +113,18 @@
113 113  
114 114  [[image:image-20220527092514-6.png]]
115 115  
116 -Connection2
116 +**Connection2**
117 117  
118 118  
119 119  
120 120  [[image:image-20220527092555-7.png]]
121 121  
122 -Connection3
122 +**Connection3**
123 123  
124 124  
125 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
125 125  
126 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
127 127  
128 -
129 129  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.
130 130  
131 131  [[image:image-20220601143257-10.png]]
... ... @@ -159,29 +159,29 @@
159 159  (((
160 160  
161 161  
162 -
163 163  
164 164  )))
165 165  
166 -=== **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 ===
167 167  
168 168  
169 169  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
170 170  
171 171  
170 +==== 1.3.3.1 via AT COMMAND ====
172 172  
173 -==== **1.3.3.1 via AT COMMAND** ====
174 174  
175 -
176 176  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.
177 177  
178 178  (((
179 179  If the configured parameters and commands are incorrect, the return value is not obtained.
177 +
178 +
180 180  )))
181 181  
182 182  [[image:image-20220601143201-9.png]]
183 183  
184 -AT COMMAND
183 +**AT COMMAND**
185 185  
186 186  
187 187  (% class="box infomessage" %)
... ... @@ -197,16 +197,15 @@
197 197  
198 198  [[image:image-20220601143115-8.png]]
199 199  
200 -AT COMMAND
199 +**AT COMMAND**
201 201  
202 202  
203 203  
204 204  PAYLOAD is available after the valid value is intercepted.
205 205  
206 -
207 207  [[image:image-20220601143046-7.png]]
208 208  
209 -AT COMMAND
207 +**AT COMMAND**
210 210  
211 211  
212 212  
... ... @@ -215,18 +215,17 @@
215 215  [[image:image-20220601143519-1.png]]
216 216  
217 217  (((
218 -AT COMMAND
216 +**AT COMMAND**
219 219  )))
220 220  
221 221  (((
222 222  
223 -
224 -
225 225  )))
226 226  
227 227  (((
228 228  (% style="color:blue" %)**Example**:
229 229  
226 +
230 230  (% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
231 231  )))
232 232  
... ... @@ -268,6 +268,8 @@
268 268  
269 269  (((
270 270  Payload: 01 00 02 39 85 08 DC 00 00 00 44
268 +
269 +
271 271  )))
272 272  
273 273  [[image:image-20220601142936-6.png]]
... ... @@ -276,7 +276,7 @@
276 276  
277 277  
278 278  
279 -(% 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.**
278 +(% 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.**
280 280  
281 281  
282 282  [[image:image-20220601143642-2.png]]
... ... @@ -285,13 +285,13 @@
285 285  
286 286  
287 287  
288 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
287 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
289 289  
290 290  
291 291  [[image:image-20220527093358-15.png]]
292 292  
293 293  (((
294 -DOWNLINK
293 +**DOWNLINK**
295 295  )))
296 296  
297 297  (((
... ... @@ -299,7 +299,7 @@
299 299  )))
300 300  
301 301  (((
302 -(% style="color:#4f81bd" %)**Type Code 0xAF**
301 +(% style="color:blue" %)**Type Code 0xAF**
303 303  )))
304 304  
305 305  (((
... ... @@ -359,35 +359,34 @@
359 359  
360 360  [[image:image-20220601144149-6.png]]
361 361  
362 -DOWNLINK
361 +**DOWNLINK**
363 363  
364 364  
365 365  
366 366  [[image:image-20220601143803-3.png]]
367 367  
368 -DOWNLINK
367 +**DOWNLINK**
369 369  
370 370  
371 371  
372 372  [[image:image-20220601144053-5.png]]
373 373  
374 -DOWNLINK
373 +**DOWNLINK**
375 375  
376 376  
377 377  
378 378  [[image:image-20220601143921-4.png]]
379 379  
380 -DOWNLINK
379 +**DOWNLINK**
381 381  
382 382  
383 383  
384 384  [[image:image-20220601142805-5.png]]
385 385  
386 -DOWNLINK
387 -
385 +**DOWNLINK**
388 388  
389 389  
390 -=== **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 ===
391 391  
392 392  
393 393  (((
... ... @@ -414,13 +414,13 @@
414 414  
415 415  [[image:image-20220527093708-21.png]]
416 416  
417 -USB
415 +**USB**
418 418  
419 419  
420 420  
421 421  [[image:image-20220527093747-22.png]]
422 422  
423 -USB
421 +**USB**
424 424  
425 425  
426 426  
... ... @@ -442,11 +442,11 @@
442 442  
443 443  [[image:image-20220527093821-23.png]]
444 444  
445 -USB
443 +**USB**
446 446  
447 447  
448 448  
449 -=== **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 ===
450 450  
451 451  
452 452  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.
... ... @@ -462,6 +462,7 @@
462 462  
463 463  (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
464 464  
463 +
465 465  [[image:image-20220527093950-25.png]]
466 466  
467 467  
... ... @@ -494,9 +494,9 @@
494 494  **AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
495 495  )))
496 496  
497 -* 01:device adaress
496 +* 01: device adaress
498 498  
499 -* 10:function code
498 +* 10: function code
500 500  
501 501  * 00 61：Register address
502 502  
... ... @@ -525,9 +525,10 @@
525 525  * 08 DF is the valid value of the meter with device address 02.
526 526  * 43 62 is the valid value of the meter with device address 01.
527 527  
527 +(% style="display:none" %) (%%)
528 528  
529 +(% style="display:none" %) (%%)
529 529  
530 -
531 531  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
532 532  
533 533  
... ... @@ -544,7 +544,6 @@
544 544  
545 545  
546 546  
547 -
548 548  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
549 549  
550 550  
... ... @@ -555,7 +555,6 @@
555 555  
556 556  
557 557  
558 -
559 559  == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
560 560  
561 561  
... ... @@ -565,7 +565,6 @@
565 565  
566 566  
567 567  
568 -
569 569  == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
570 570  
571 571  

Applications

Navigation

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