Last modified by Karry Zhuang on 2024/07/11 11:58
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From version < 41.11 >
edited by Xiaoling
on 2022/06/01 14:12
To version < 36.2 >
edited by Xiaoling
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3 3  
4 4  {{toc/}}
5 5  
6 += 1. Introduction =
6 6  
7 -
8 -
9 -
10 -
11 -= **1. Introduction** =
12 -
13 13  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
14 14  
10 +== 1.1 Example 1: Connect to Leak relay and VFD ==
15 15  
16 -== **1.1 Example 1: Connect to Leak relay and VFD** ==
17 -
18 18  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:
19 19  
20 20  [[image:image-20220527091852-1.png]]
... ... @@ -34,10 +34,8 @@
34 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.
35 35  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
36 36  
31 +== 1.2 Example 2: Connect to Pulse Counter ==
37 37  
38 -
39 -== **1.2 Example 2: Connect to Pulse Counter** ==
40 -
41 41  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:
42 42  
43 43  [[image:image-20220527092058-3.png]]
... ... @@ -45,7 +45,6 @@
45 45  Connection
46 46  
47 47  
48 -
49 49  [[image:image-20220527092146-4.png]]
50 50  
51 51  Connection
... ... @@ -55,9 +55,9 @@
55 55  
56 56  == ==
57 57  
58 -== **1.3 Example3: Use RS485-LN with energy meters** ==
49 +== 1.3 Example3: Use RS485-LN with energy meters ==
59 59  
60 -=== **1.3.1 OverView** ===
51 +=== 1.3.1 OverView ===
61 61  
62 62  (((
63 63  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
... ... @@ -106,7 +106,7 @@
106 106  Connection3
107 107  
108 108  
109 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
100 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
110 110  
111 111  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.
112 112  
... ... @@ -145,12 +145,12 @@
145 145  
146 146  )))
147 147  
148 -=== **1.3.3 How to configure RS485-LN and parse output commands** ===
139 +=== 1.3.3 How to configure RS485-LN and parse output commands ===
149 149  
150 150  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
151 151  
152 152  
153 -==== **1.3.3.1 via AT COMMAND:** ====
144 +==== 1.3.3.1 via AT COMMAND: ====
154 154  
155 155  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
156 156  
... ... @@ -200,9 +200,7 @@
200 200  )))
201 201  
202 202  (((
203 -(% style="color:#4f81bd" %)**Example**:
204 -
205 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
194 +**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
206 206  )))
207 207  
208 208  (((
... ... @@ -211,8 +211,6 @@
211 211  
212 212  (((
213 213  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.
214 -
215 -
216 216  )))
217 217  
218 218  (((
... ... @@ -225,8 +225,6 @@
225 225  
226 226  (((
227 227  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.
228 -
229 -
230 230  )))
231 231  
232 232  (((
... ... @@ -257,7 +257,7 @@
257 257  AT COMMAND
258 258  
259 259  
260 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
245 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
261 261  
262 262  [[image:image-20220527093358-15.png]]
263 263  
... ... @@ -270,7 +270,7 @@
270 270  )))
271 271  
272 272  (((
273 -(% style="color:#4f81bd" %)**Type Code 0xAF**
258 +**Type Code 0xAF**
274 274  )))
275 275  
276 276  (((
... ... @@ -317,11 +317,11 @@
317 317  )))
318 318  
319 319  (((
320 -(% style="color:#4f81bd" %)**Example:**
305 +Example:
321 321  )))
322 322  
323 323  (((
324 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
309 +AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
325 325  )))
326 326  
327 327  [[image:image-20220527093430-16.png]]
... ... @@ -349,7 +349,7 @@
349 349  DOWNLINK
350 350  
351 351  
352 -=== **1.3.4 How to configure and output commands for RS485 to USB** ===
337 +=== 1.3.4 How to configure and output commands for RS485 to USB ===
353 353  
354 354  (((
355 355  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.
... ... @@ -386,7 +386,7 @@
386 386  )))
387 387  
388 388  (((
389 -(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
374 +**Example:**  input：01 03 00 31 00 02 95 c4
390 390  )))
391 391  
392 392  (((
... ... @@ -398,7 +398,7 @@
398 398  USB
399 399  
400 400  
401 -=== **1.3.5 How to configure multiple devices and modify device addresses** ===
386 +=== 1.3.5 How to configure multiple devices and modify device addresses ===
402 402  
403 403  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.
404 404  
... ... @@ -467,7 +467,7 @@
467 467  
468 468  [[image:image-20220527094224-29.png]]
469 469  
470 -**PAYLOAD:01 08 DF 43 62**
455 +PAYLOAD:01 08 DF 43 62
471 471  
472 472  * 08 DF is the valid value of the meter with device address 02.
473 473  * 43 62 is the valid value of the meter with device address 01.
... ... @@ -483,7 +483,6 @@
483 483  
484 484  * [[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
485 485  
486 -
487 487  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
488 488  
489 489  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:
... ... @@ -500,7 +500,7 @@
500 500  
501 501  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
502 502  
503 -[[image:image-20220527094556-31.png]]
487 +[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
504 504  
505 505  Network Structure
506 506  
image-20220527094556-31.png
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1 -XWiki.Xiaoling
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