Last modified by Karry Zhuang on 2024/07/11 11:58
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From version < 41.8 >
edited by Xiaoling
on 2022/05/31 09:39
To version < 36.3 >
edited by Xiaoling
on 2022/05/27 09:44
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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]]
... ... @@ -34,9 +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 -== **1.2 Example 2: Connect to Pulse Counter** ==
39 -
40 40  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:
41 41  
42 42  [[image:image-20220527092058-3.png]]
... ... @@ -53,9 +53,9 @@
53 53  
54 54  == ==
55 55  
56 -== **1.3 Example3: Use RS485-LN with energy meters** ==
49 +== 1.3 Example3: Use RS485-LN with energy meters ==
57 57  
58 -=== **1.3.1 OverView** ===
51 +=== 1.3.1 OverView ===
59 59  
60 60  (((
61 61  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
... ... @@ -104,7 +104,7 @@
104 104  Connection3
105 105  
106 106  
107 -=== **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 ===
108 108  
109 109  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.
110 110  
... ... @@ -143,12 +143,12 @@
143 143  
144 144  )))
145 145  
146 -=== **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 ===
147 147  
148 148  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
149 149  
150 150  
151 -==== **1.3.3.1 via AT COMMAND:** ====
144 +==== 1.3.3.1 via AT COMMAND: ====
152 152  
153 153  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
154 154  
... ... @@ -198,9 +198,7 @@
198 198  )))
199 199  
200 200  (((
201 -(% style="color:#4f81bd" %)**Example**:
202 -
203 -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
204 204  )))
205 205  
206 206  (((
... ... @@ -209,8 +209,6 @@
209 209  
210 210  (((
211 211  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.
212 -
213 -
214 214  )))
215 215  
216 216  (((
... ... @@ -223,8 +223,6 @@
223 223  
224 224  (((
225 225  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.
226 -
227 -
228 228  )))
229 229  
230 230  (((
... ... @@ -255,7 +255,7 @@
255 255  AT COMMAND
256 256  
257 257  
258 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
245 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
259 259  
260 260  [[image:image-20220527093358-15.png]]
261 261  
... ... @@ -268,7 +268,7 @@
268 268  )))
269 269  
270 270  (((
271 -(% style="color:#4f81bd" %)**Type Code 0xAF**
258 +**Type Code 0xAF**
272 272  )))
273 273  
274 274  (((
... ... @@ -315,11 +315,11 @@
315 315  )))
316 316  
317 317  (((
318 -(% style="color:#4f81bd" %)**Example:**
305 +Example:
319 319  )))
320 320  
321 321  (((
322 -**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
323 323  )))
324 324  
325 325  [[image:image-20220527093430-16.png]]
... ... @@ -347,7 +347,7 @@
347 347  DOWNLINK
348 348  
349 349  
350 -=== **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 ===
351 351  
352 352  (((
353 353  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.
... ... @@ -384,7 +384,7 @@
384 384  )))
385 385  
386 386  (((
387 -(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
374 +**Example:**  input：01 03 00 31 00 02 95 c4
388 388  )))
389 389  
390 390  (((
... ... @@ -396,7 +396,7 @@
396 396  USB
397 397  
398 398  
399 -=== **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 ===
400 400  
401 401  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.
402 402  
... ... @@ -465,13 +465,12 @@
465 465  
466 466  [[image:image-20220527094224-29.png]]
467 467  
468 -**PAYLOAD:01 08 DF 43 62**
455 +PAYLOAD:01 08 DF 43 62
469 469  
470 470  * 08 DF is the valid value of the meter with device address 02.
471 471  * 43 62 is the valid value of the meter with device address 01.
472 472  
473 473  
474 -
475 475  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
476 476  
477 477  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:
... ... @@ -482,6 +482,7 @@
482 482  
483 483  * [[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
484 484  
471 +
485 485  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
486 486  
487 487  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:
... ... @@ -498,7 +498,7 @@
498 498  
499 499  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
500 500  
501 -[[image:image-20220527094556-31.png]]
488 +[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
502 502  
503 503  Network Structure
504 504  
image-20220527094556-31.png
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1 -XWiki.Xiaoling
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