Last modified by Karry Zhuang on 2024/07/11 11:58
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From version < 41.7 >
edited by Xiaoling
on 2022/05/30 11:28
To version < 36.2 >
edited by Xiaoling
on 2022/05/27 09:43
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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]]
... ... @@ -54,9 +54,9 @@
54 54  
55 55  == ==
56 56  
57 -== **1.3 Example3: Use RS485-LN with energy meters** ==
49 +== 1.3 Example3: Use RS485-LN with energy meters ==
58 58  
59 -=== **1.3.1 OverView** ===
51 +=== 1.3.1 OverView ===
60 60  
61 61  (((
62 62  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
... ... @@ -105,7 +105,7 @@
105 105  Connection3
106 106  
107 107  
108 -=== **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 ===
109 109  
110 110  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.
111 111  
... ... @@ -144,12 +144,12 @@
144 144  
145 145  )))
146 146  
147 -=== **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 ===
148 148  
149 149  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
150 150  
151 151  
152 -==== **1.3.3.1 via AT COMMAND:** ====
144 +==== 1.3.3.1 via AT COMMAND: ====
153 153  
154 154  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
155 155  
... ... @@ -199,9 +199,7 @@
199 199  )))
200 200  
201 201  (((
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
194 +**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
205 205  )))
206 206  
207 207  (((
... ... @@ -210,8 +210,6 @@
210 210  
211 211  (((
212 212  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 -
215 215  )))
216 216  
217 217  (((
... ... @@ -224,8 +224,6 @@
224 224  
225 225  (((
226 226  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 -
229 229  )))
230 230  
231 231  (((
... ... @@ -256,7 +256,7 @@
256 256  AT COMMAND
257 257  
258 258  
259 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
245 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
260 260  
261 261  [[image:image-20220527093358-15.png]]
262 262  
... ... @@ -269,7 +269,7 @@
269 269  )))
270 270  
271 271  (((
272 -(% style="color:#4f81bd" %)**Type Code 0xAF**
258 +**Type Code 0xAF**
273 273  )))
274 274  
275 275  (((
... ... @@ -316,11 +316,11 @@
316 316  )))
317 317  
318 318  (((
319 -(% style="color:#4f81bd" %)**Example:**
305 +Example:
320 320  )))
321 321  
322 322  (((
323 -**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
324 324  )))
325 325  
326 326  [[image:image-20220527093430-16.png]]
... ... @@ -348,7 +348,7 @@
348 348  DOWNLINK
349 349  
350 350  
351 -=== **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 ===
352 352  
353 353  (((
354 354  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.
... ... @@ -385,7 +385,7 @@
385 385  )))
386 386  
387 387  (((
388 -(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
374 +**Example:**  input：01 03 00 31 00 02 95 c4
389 389  )))
390 390  
391 391  (((
... ... @@ -397,7 +397,7 @@
397 397  USB
398 398  
399 399  
400 -=== **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 ===
401 401  
402 402  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.
403 403  
... ... @@ -466,7 +466,7 @@
466 466  
467 467  [[image:image-20220527094224-29.png]]
468 468  
469 -**PAYLOAD:01 08 DF 43 62**
455 +PAYLOAD:01 08 DF 43 62
470 470  
471 471  * 08 DF is the valid value of the meter with device address 02.
472 472  * 43 62 is the valid value of the meter with device address 01.
... ... @@ -482,7 +482,6 @@
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  
485 -
486 486  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
487 487  
488 488  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:
... ... @@ -491,7 +491,6 @@
491 491  
492 492  * [[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
493 493  
494 -
495 495  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
496 496  
497 497  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:
... ... @@ -498,10 +498,9 @@
498 498  
499 499  * [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf]] : Configure Document For RS485-LN
500 500  
501 -
502 502  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
503 503  
504 -[[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"]]
505 505  
506 506  Network Structure
507 507  
image-20220527094556-31.png
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