Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 37.1 >
edited by Xiaoling
on 2022/05/27 09:45
To version < 41.10 >
edited by Xiaoling
on 2022/06/01 14:12
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -3,12 +3,18 @@
3 3  
4 4  {{toc/}}
5 5  
6 -= 1. Introduction =
7 7  
7 +
8 +
9 +
10 +
11 += **1. Introduction** =
12 +
8 8  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
9 9  
10 -== 1.1 Example 1: Connect to Leak relay and VFD ==
11 11  
16 +== **1.1 Example 1: Connect to Leak relay and VFD** ==
17 +
12 12  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:
13 13  
14 14  [[image:image-20220527091852-1.png]]
... ... @@ -28,8 +28,10 @@
28 28  * [[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.
29 29  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
30 30  
31 -== 1.2 Example 2: Connect to Pulse Counter ==
32 32  
38 +
39 +== **1.2 Example 2: Connect to Pulse Counter** ==
40 +
33 33  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:
34 34  
35 35  [[image:image-20220527092058-3.png]]
... ... @@ -46,9 +46,9 @@
46 46  
47 47  == ==
48 48  
49 -== 1.3 Example3: Use RS485-LN with energy meters ==
57 +== **1.3 Example3: Use RS485-LN with energy meters** ==
50 50  
51 -=== 1.3.1 OverView ===
59 +=== **1.3.1 OverView** ===
52 52  
53 53  (((
54 54  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
... ... @@ -97,7 +97,7 @@
97 97  Connection3
98 98  
99 99  
100 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
108 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
101 101  
102 102  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.
103 103  
... ... @@ -136,12 +136,12 @@
136 136  
137 137  )))
138 138  
139 -=== 1.3.3 How to configure RS485-LN and parse output commands ===
147 +=== **1.3.3 How to configure RS485-LN and parse output commands** ===
140 140  
141 141  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
142 142  
143 143  
144 -==== 1.3.3.1 via AT COMMAND: ====
152 +==== **1.3.3.1 via AT COMMAND:** ====
145 145  
146 146  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
147 147  
... ... @@ -191,7 +191,9 @@
191 191  )))
192 192  
193 193  (((
194 -**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
202 +(% style="color:#4f81bd" %)**Example**:
203 +
204 +CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
195 195  )))
196 196  
197 197  (((
... ... @@ -200,6 +200,8 @@
200 200  
201 201  (((
202 202  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.
213 +
214 +
203 203  )))
204 204  
205 205  (((
... ... @@ -212,6 +212,8 @@
212 212  
213 213  (((
214 214  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.
227 +
228 +
215 215  )))
216 216  
217 217  (((
... ... @@ -242,7 +242,7 @@
242 242  AT COMMAND
243 243  
244 244  
245 -==== 1.3.3.2 via LoRaWAN DOWNLINK ====
259 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
246 246  
247 247  [[image:image-20220527093358-15.png]]
248 248  
... ... @@ -255,7 +255,7 @@
255 255  )))
256 256  
257 257  (((
258 -**Type Code 0xAF**
272 +(% style="color:#4f81bd" %)**Type Code 0xAF**
259 259  )))
260 260  
261 261  (((
... ... @@ -302,11 +302,11 @@
302 302  )))
303 303  
304 304  (((
305 -Example:
319 +(% style="color:#4f81bd" %)**Example:**
306 306  )))
307 307  
308 308  (((
309 -AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
323 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
310 310  )))
311 311  
312 312  [[image:image-20220527093430-16.png]]
... ... @@ -334,7 +334,7 @@
334 334  DOWNLINK
335 335  
336 336  
337 -=== 1.3.4 How to configure and output commands for RS485 to USB ===
351 +=== **1.3.4 How to configure and output commands for RS485 to USB** ===
338 338  
339 339  (((
340 340  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.
... ... @@ -371,7 +371,7 @@
371 371  )))
372 372  
373 373  (((
374 -**Example:**  input：01 03 00 31 00 02 95 c4
388 +(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
375 375  )))
376 376  
377 377  (((
... ... @@ -383,7 +383,7 @@
383 383  USB
384 384  
385 385  
386 -=== 1.3.5 How to configure multiple devices and modify device addresses ===
400 +=== **1.3.5 How to configure multiple devices and modify device addresses** ===
387 387  
388 388  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.
389 389  
... ... @@ -452,7 +452,7 @@
452 452  
453 453  [[image:image-20220527094224-29.png]]
454 454  
455 -PAYLOAD:01 08 DF 43 62
469 +**PAYLOAD:01 08 DF 43 62**
456 456  
457 457  * 08 DF is the valid value of the meter with device address 02.
458 458  * 43 62 is the valid value of the meter with device address 01.
... ... @@ -485,7 +485,7 @@
485 485  
486 486  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
487 487  
488 -[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
502 +[[image:image-20220527094556-31.png]]
489 489  
490 490  Network Structure
491 491  

Applications

Navigation

Copyright ©2010-2022 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0