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From version < 41.17 >
edited by Xiaoling
on 2022/06/01 14:15
To version < 39.4 >
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  
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  
... ... @@ -191,7 +191,6 @@
191 191  AT COMMAND
192 192  
193 193  
194 -
195 195  You can get configured PAYLOAD on TTN.
196 196  
197 197  [[image:image-20220527093133-12.png]]
... ... @@ -257,14 +257,12 @@
257 257  
258 258  (% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
259 259  
260 -
261 -
262 262  [[image:image-20220527093251-14.png]]
263 263  
264 264  AT COMMAND
265 265  
266 266  
267 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
252 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
268 268  
269 269  [[image:image-20220527093358-15.png]]
270 270  
... ... @@ -356,7 +356,7 @@
356 356  DOWNLINK
357 357  
358 358  
359 -=== **1.3.4 How to configure and output commands for RS485 to USB** ===
344 +=== 1.3.4 How to configure and output commands for RS485 to USB ===
360 360  
361 361  (((
362 362  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.
... ... @@ -405,7 +405,7 @@
405 405  USB
406 406  
407 407  
408 -=== **1.3.5 How to configure multiple devices and modify device addresses** ===
393 +=== 1.3.5 How to configure multiple devices and modify device addresses ===
409 409  
410 410  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.
411 411  
... ... @@ -474,12 +474,11 @@
474 474  
475 475  [[image:image-20220527094224-29.png]]
476 476  
477 -**PAYLOAD:01 08 DF 43 62**
462 +PAYLOAD:01 08 DF 43 62
478 478  
479 479  * 08 DF is the valid value of the meter with device address 02.
480 480  * 43 62 is the valid value of the meter with device address 01.
481 481  
482 -
483 483  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
484 484  
485 485  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:
... ... @@ -490,7 +490,6 @@
490 490  
491 491  * [[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
492 492  
493 -
494 494  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
495 495  
496 496  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:
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