Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 4.7 >
edited by Xiaoling
on 2022/05/12 10:46
To version < 22.2 >
edited by Xiaoling
on 2022/05/27 09:34
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1,3 +1,8 @@
1 +(% class="wikigeneratedid" %)
2 + **Contents:**
3 +
4 +{{toc/}}
5 +
1 1  = 1. Introduction =
2 2  
3 3  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
... ... @@ -6,15 +6,17 @@
6 6  
7 7  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:
8 8  
9 -[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="297" width="534"]]
14 +[[image:image-20220527091852-1.png]]
10 10  
11 11  Connection
12 12  
13 13  
14 -[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %)
15 15  
20 +[[image:image-20220527091942-2.png]](% style="display:none" %)
21 +
16 16  Connection
17 17  
24 +
18 18  Related documents:
19 19  
20 20  * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
... ... @@ -25,12 +25,12 @@
25 25  
26 26  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:
27 27  
28 -[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]
35 +[[image:image-20220527092058-3.png]]
29 29  
30 30  Connection
31 31  
32 32  
33 -[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]
40 +[[image:image-20220527092146-4.png]]
34 34  
35 35  Connection
36 36  
... ... @@ -37,6 +37,8 @@
37 37  * [[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
38 38  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
39 39  
47 +== ==
48 +
40 40  == 1.3 Example3: Use RS485-LN with energy meters ==
41 41  
42 42  === 1.3.1 OverView ===
... ... @@ -49,10 +49,11 @@
49 49  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
50 50  )))
51 51  
52 -[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]
61 +[[image:image-20220527092419-5.png]]
53 53  
54 54  Connection1
55 55  
65 +
56 56  (((
57 57  How to connect with Energy Meter：
58 58  )))
... ... @@ -77,12 +77,12 @@
77 77  Once there is power, the RS485-LN will be on.
78 78  )))
79 79  
80 -[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
90 +[[image:image-20220527092514-6.png]]
81 81  
82 82  Connection2
83 83  
84 84  
85 -[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
95 +[[image:image-20220527092555-7.png]]
86 86  
87 87  Connection3
88 88  
... ... @@ -91,11 +91,12 @@
91 91  
92 92  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.
93 93  
94 -[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
104 +[[image:image-20220527092629-8.png]]
95 95  
106 +
96 96  (% class="box infomessage" %)
97 97  (((
98 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
109 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
99 99  )))
100 100  
101 101  * The first byte : slave address code (=001～247)
... ... @@ -110,7 +110,7 @@
110 110  
111 111  (% class="box infomessage" %)
112 112  (((
113 -Example:RETURN1：01 03 02 08 FD 7E 05
124 +**Example:** RETURN1：01 03 02 08 FD 7E 05
114 114  )))
115 115  
116 116  * The first byte ARD: slave address code (=001～254)
... ... @@ -120,10 +120,16 @@
120 120  * The 6th and 7th bytes: CRC16 checksum
121 121  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
122 122  
134 +(% class="wikigeneratedid" %)
135 +(((
136 +
137 +)))
138 +
123 123  === 1.3.3 How to configure RS485-LN and parse output commands ===
124 124  
125 125  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
126 126  
143 +
127 127  ==== 1.3.3.1 via AT COMMAND: ====
128 128  
129 129  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
... ... @@ -132,10 +132,11 @@
132 132  If the configured parameters and commands are incorrect, the return value is not obtained.
133 133  )))
134 134  
135 -[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
152 +[[image:image-20220527092748-9.png]]
136 136  
137 137  AT COMMAND
138 138  
156 +
139 139  (% class="box infomessage" %)
140 140  (((
141 141   AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
... ... @@ -147,22 +147,23 @@
147 147  
148 148  c: define the position for valid value.
149 149  
150 -[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
168 +[[image:image-20220527092936-10.png]]
151 151  
152 152  AT COMMAND
153 153  
172 +
154 154  PAYLOAD is available after the valid value is intercepted.
155 155  
156 156  
157 -[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
176 +[[image:image-20220527093059-11.png]]
158 158  
159 159  AT COMMAND
160 160  
180 +
161 161  You can get configured PAYLOAD on TTN.
162 162  
183 +[[image:image-20220527093133-12.png]]
163 163  
164 -[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
165 -
166 166  (((
167 167  AT COMMAND
168 168  )))
... ... @@ -211,14 +211,14 @@
211 211  Payload:01 00 02 39 85 08 DC 00 00 00 44
212 212  )))
213 213  
214 -[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
233 +[[image:image-20220527093204-13.png]]
215 215  
216 216  AT COMMAND
217 217  
218 -01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
219 219  
238 +(% 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.**
220 220  
221 -[[~[~[image:https://wiki.dragino.com/images/thumb/b/b8/AT_COMMAND11.png/600px-AT_COMMAND11.png~|~|height="271" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:AT_COMMAND11.png]]
240 +[[image:image-20220527093251-14.png]]
222 222  
223 223  AT COMMAND
224 224  
... ... @@ -225,7 +225,7 @@
225 225  
226 226  ==== 1.3.3.2 via LoRaWAN DOWNLINK ====
227 227  
228 -[[image:image-20220512104358-3.png]]
247 +[[image:image-20220527093358-15.png]]
229 229  
230 230  (((
231 231  DOWNLINK
... ... @@ -290,7 +290,7 @@
290 290  AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
291 291  )))
292 292  
293 -[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
312 +[[image:image-20220527093430-16.png]]
294 294  
295 295  DOWNLINK
296 296  
image-20220512115601-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +20.4 KB
Content
image-20220527091852-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +542.6 KB
Content
image-20220527091942-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +608.5 KB
Content
image-20220527092058-3.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +740.9 KB
Content
image-20220527092146-4.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +686.5 KB
Content
image-20220527092419-5.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +519.8 KB
Content
image-20220527092514-6.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +819.1 KB
Content
image-20220527092555-7.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +537.6 KB
Content
image-20220527092629-8.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +9.1 KB
Content
image-20220527092748-9.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +16.3 KB
Content
image-20220527092936-10.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +11.3 KB
Content
image-20220527093059-11.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +10.9 KB
Content
image-20220527093133-12.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +12.1 KB
Content
image-20220527093204-13.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +16.5 KB
Content
image-20220527093251-14.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +39.3 KB
Content
image-20220527093358-15.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +62.9 KB
Content
image-20220527093430-16.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +16.9 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0