<
From version < 41.15 >
edited by Xiaoling
on 2022/06/01 14:14
To version < 39.1 >
edited by Xiaoling
on 2022/05/27 09:47
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -3,17 +3,12 @@
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  
15 15  
16 -== **1.1 Example 1: Connect to Leak relay and VFD** ==
11 +== 1.1 Example 1: Connect to Leak relay and VFD ==
17 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  
... ... @@ -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  
32 +== 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** ==
50 +== 1.3 Example3: Use RS485-LN with energy meters ==
60 60  
61 -=== **1.3.1 OverView** ===
52 +=== 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** ===
101 +=== 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** ===
140 +=== 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:** ====
145 +==== 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  
... ... @@ -171,11 +171,11 @@
171 171   AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
172 172  )))
173 173  
174 -a:  length for the return of AT+COMMAND
163 +a: length for the return of AT+COMMAND
175 175  
176 -b: 1: grab valid value by byte, max 6 bytes 2: grab valid value by bytes section, max 3 sections.
165 +b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
177 177  
178 -c:  define the position for valid value.
167 +c: define the position for valid value.
179 179  
180 180  [[image:image-20220527092936-10.png]]
181 181  
... ... @@ -182,7 +182,6 @@
182 182  AT COMMAND
183 183  
184 184  
185 -
186 186  PAYLOAD is available after the valid value is intercepted.
187 187  
188 188  
... ... @@ -204,9 +204,7 @@
204 204  )))
205 205  
206 206  (((
207 -(% style="color:#4f81bd" %)**Example**:
208 -
209 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
195 +**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
210 210  )))
211 211  
212 212  (((
... ... @@ -215,8 +215,6 @@
215 215  
216 216  (((
217 217  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.
218 -
219 -
220 220  )))
221 221  
222 222  (((
... ... @@ -229,8 +229,6 @@
229 229  
230 230  (((
231 231  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.
232 -
233 -
234 234  )))
235 235  
236 236  (((
... ... @@ -261,7 +261,7 @@
261 261  AT COMMAND
262 262  
263 263  
264 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
246 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
265 265  
266 266  [[image:image-20220527093358-15.png]]
267 267  
... ... @@ -274,7 +274,7 @@
274 274  )))
275 275  
276 276  (((
277 -(% style="color:#4f81bd" %)**Type Code 0xAF**
259 +**Type Code 0xAF**
278 278  )))
279 279  
280 280  (((
... ... @@ -321,11 +321,11 @@
321 321  )))
322 322  
323 323  (((
324 -(% style="color:#4f81bd" %)**Example:**
306 +Example:
325 325  )))
326 326  
327 327  (((
328 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
310 +AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
329 329  )))
330 330  
331 331  [[image:image-20220527093430-16.png]]
... ... @@ -353,7 +353,7 @@
353 353  DOWNLINK
354 354  
355 355  
356 -=== **1.3.4 How to configure and output commands for RS485 to USB** ===
338 +=== 1.3.4 How to configure and output commands for RS485 to USB ===
357 357  
358 358  (((
359 359  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.
... ... @@ -390,7 +390,7 @@
390 390  )))
391 391  
392 392  (((
393 -(% style="color:#4f81bd" %)**Example:**  (%%)input:01 03 00 31 00 02 95 c4
375 +**Example:**  input:01 03 00 31 00 02 95 c4
394 394  )))
395 395  
396 396  (((
... ... @@ -402,7 +402,7 @@
402 402  USB
403 403  
404 404  
405 -=== **1.3.5 How to configure multiple devices and modify device addresses** ===
387 +=== 1.3.5 How to configure multiple devices and modify device addresses ===
406 406  
407 407  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.
408 408  
... ... @@ -471,12 +471,11 @@
471 471  
472 472  [[image:image-20220527094224-29.png]]
473 473  
474 -**PAYLOAD:01 08 DF 43 62**
456 +PAYLOAD:01 08 DF 43 62
475 475  
476 476  * 08 DF is the valid value of the meter with device address 02.
477 477  * 43 62 is the valid value of the meter with device address 01.
478 478  
479 -
480 480  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. The structure is like below:
... ... @@ -487,7 +487,6 @@
487 487  
488 488  * [[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
489 489  
490 -
491 491  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
492 492  
493 493  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:
Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0