Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 39.2 >
edited by Xiaoling
on 2022/05/27 09:47
To version < 41.3 >
edited by Xiaoling
on 2022/05/30 11:24
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -3,6 +3,11 @@
3 3  
4 4  {{toc/}}
5 5  
6 +
7 +
8 +
9 +
10 +
6 6  = 1. Introduction =
7 7  
8 8  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
... ... @@ -29,7 +29,6 @@
29 29  * [[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.
30 30  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
31 31  
32 -
33 33  == 1.2 Example 2: Connect to Pulse Counter ==
34 34  
35 35  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:
... ... @@ -138,12 +138,12 @@
138 138  
139 139  )))
140 140  
141 -=== 1.3.3 How to configure RS485-LN and parse output commands ===
145 +=== **1.3.3 How to configure RS485-LN and parse output commands** ===
142 142  
143 143  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
144 144  
145 145  
146 -==== 1.3.3.1 via AT COMMAND: ====
150 +==== **1.3.3.1 via AT COMMAND:** ====
147 147  
148 148  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
149 149  
... ... @@ -193,7 +193,9 @@
193 193  )))
194 194  
195 195  (((
196 -**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
200 +(% style="color:#4f81bd" %)**Example**:
201 +
202 +CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
197 197  )))
198 198  
199 199  (((
... ... @@ -202,6 +202,8 @@
202 202  
203 203  (((
204 204  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.
211 +
212 +
205 205  )))
206 206  
207 207  (((
... ... @@ -214,6 +214,8 @@
214 214  
215 215  (((
216 216  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.
225 +
226 +
217 217  )))
218 218  
219 219  (((
... ... @@ -244,7 +244,7 @@
244 244  AT COMMAND
245 245  
246 246  
247 -==== 1.3.3.2 via LoRaWAN DOWNLINK ====
257 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
248 248  
249 249  [[image:image-20220527093358-15.png]]
250 250  
... ... @@ -257,7 +257,7 @@
257 257  )))
258 258  
259 259  (((
260 -**Type Code 0xAF**
270 +(% style="color:#4f81bd" %)**Type Code 0xAF**
261 261  )))
262 262  
263 263  (((
... ... @@ -304,11 +304,11 @@
304 304  )))
305 305  
306 306  (((
307 -Example:
317 +(% style="color:#4f81bd" %)**Example:**
308 308  )))
309 309  
310 310  (((
311 -AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
321 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
312 312  )))
313 313  
314 314  [[image:image-20220527093430-16.png]]
... ... @@ -336,7 +336,7 @@
336 336  DOWNLINK
337 337  
338 338  
339 -=== 1.3.4 How to configure and output commands for RS485 to USB ===
349 +=== **1.3.4 How to configure and output commands for RS485 to USB** ===
340 340  
341 341  (((
342 342  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.
... ... @@ -373,7 +373,7 @@
373 373  )))
374 374  
375 375  (((
376 -**Example:**  input：01 03 00 31 00 02 95 c4
386 +(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
377 377  )))
378 378  
379 379  (((
... ... @@ -385,7 +385,7 @@
385 385  USB
386 386  
387 387  
388 -=== 1.3.5 How to configure multiple devices and modify device addresses ===
398 +=== **1.3.5 How to configure multiple devices and modify device addresses** ===
389 389  
390 390  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.
391 391  
... ... @@ -454,11 +454,13 @@
454 454  
455 455  [[image:image-20220527094224-29.png]]
456 456  
457 -PAYLOAD:01 08 DF 43 62
467 +**PAYLOAD:01 08 DF 43 62**
458 458  
459 459  * 08 DF is the valid value of the meter with device address 02.
460 460  * 43 62 is the valid value of the meter with device address 01.
461 461  
472 +
473 +
462 462  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
463 463  
464 464  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:
... ... @@ -469,6 +469,8 @@
469 469  
470 470  * [[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
471 471  
484 +
485 +
472 472  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
473 473  
474 474  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:
... ... @@ -477,6 +477,8 @@
477 477  
478 478  * [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/SEM_Three_Energy_Meter/&file=SEM%20three%20and%20Dragino%20RS485-LN%20v1.pdf]] : Configure Document for RS485-LN
479 479  
494 +
495 +
480 480  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
481 481  
482 482  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 CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below:

Applications

Navigation

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