Last modified by Karry Zhuang on 2024/07/11 11:58
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From version < 41.14 >
edited by Xiaoling
on 2022/06/01 14:12
To version < 36.3 >
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]]
... ... @@ -45,20 +45,18 @@
45 45  Connection
46 46  
47 47  
48 -
49 49  [[image:image-20220527092146-4.png]]
50 50  
51 51  Connection
52 52  
53 -
54 54  * [[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
55 55  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
56 56  
57 57  == ==
58 58  
59 -== **1.3 Example3: Use RS485-LN with energy meters** ==
49 +== 1.3 Example3: Use RS485-LN with energy meters ==
60 60  
61 -=== **1.3.1 OverView** ===
51 +=== 1.3.1 OverView ===
62 62  
63 63  (((
64 64  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
... ... @@ -73,7 +73,6 @@
73 73  Connection1
74 74  
75 75  
76 -
77 77  (((
78 78  How to connect with Energy Meter：
79 79  )))
... ... @@ -103,13 +103,12 @@
103 103  Connection2
104 104  
105 105  
106 -
107 107  [[image:image-20220527092555-7.png]]
108 108  
109 109  Connection3
110 110  
111 111  
112 -=== **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 ===
113 113  
114 114  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.
115 115  
... ... @@ -148,12 +148,12 @@
148 148  
149 149  )))
150 150  
151 -=== **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 ===
152 152  
153 153  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
154 154  
155 155  
156 -==== **1.3.3.1 via AT COMMAND:** ====
144 +==== 1.3.3.1 via AT COMMAND: ====
157 157  
158 158  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
159 159  
... ... @@ -203,9 +203,7 @@
203 203  )))
204 204  
205 205  (((
206 -(% style="color:#4f81bd" %)**Example**:
207 -
208 -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
209 209  )))
210 210  
211 211  (((
... ... @@ -214,8 +214,6 @@
214 214  
215 215  (((
216 216  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.
217 -
218 -
219 219  )))
220 220  
221 221  (((
... ... @@ -228,8 +228,6 @@
228 228  
229 229  (((
230 230  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.
231 -
232 -
233 233  )))
234 234  
235 235  (((
... ... @@ -260,7 +260,7 @@
260 260  AT COMMAND
261 261  
262 262  
263 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
245 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
264 264  
265 265  [[image:image-20220527093358-15.png]]
266 266  
... ... @@ -273,7 +273,7 @@
273 273  )))
274 274  
275 275  (((
276 -(% style="color:#4f81bd" %)**Type Code 0xAF**
258 +**Type Code 0xAF**
277 277  )))
278 278  
279 279  (((
... ... @@ -320,11 +320,11 @@
320 320  )))
321 321  
322 322  (((
323 -(% style="color:#4f81bd" %)**Example:**
305 +Example:
324 324  )))
325 325  
326 326  (((
327 -**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
328 328  )))
329 329  
330 330  [[image:image-20220527093430-16.png]]
... ... @@ -352,7 +352,7 @@
352 352  DOWNLINK
353 353  
354 354  
355 -=== **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 ===
356 356  
357 357  (((
358 358  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.
... ... @@ -389,7 +389,7 @@
389 389  )))
390 390  
391 391  (((
392 -(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
374 +**Example:**  input：01 03 00 31 00 02 95 c4
393 393  )))
394 394  
395 395  (((
... ... @@ -401,7 +401,7 @@
401 401  USB
402 402  
403 403  
404 -=== **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 ===
405 405  
406 406  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.
407 407  
... ... @@ -470,7 +470,7 @@
470 470  
471 471  [[image:image-20220527094224-29.png]]
472 472  
473 -**PAYLOAD:01 08 DF 43 62**
455 +PAYLOAD:01 08 DF 43 62
474 474  
475 475  * 08 DF is the valid value of the meter with device address 02.
476 476  * 43 62 is the valid value of the meter with device address 01.
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503 503  
504 504  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
505 505  
506 -[[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"]]
507 507  
508 508  Network Structure
509 509  
image-20220527094556-31.png
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1 -XWiki.Xiaoling
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