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11 11  
12 12  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:
13 13  
14 -[[image:image-20220527091852-1.png]]
14 +[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="297" width="534"]]
15 15  
16 16  Connection
17 17  
18 18  
19 +[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %)
19 19  
20 -[[image:image-20220527091942-2.png]](% style="display:none" %)
21 -
22 22  Connection
23 23  
24 -
25 25  Related documents:
26 26  
27 27  * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
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28 28  * [[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.
29 29  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
30 30  
31 -
32 32  == 1.2 Example 2: Connect to Pulse Counter ==
33 33  
34 34  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:
35 35  
36 -[[image:image-20220527092058-3.png]]
33 +[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]
37 37  
38 38  Connection
39 39  
40 40  
41 -[[image:image-20220527092146-4.png]]
38 +[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]
42 42  
43 43  Connection
44 44  
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45 45  * [[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
46 46  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
47 47  
48 -(% class="wikigeneratedid" %)
49 -== ==
50 -
51 51  == 1.3 Example3: Use RS485-LN with energy meters ==
52 52  
53 53  === 1.3.1 OverView ===
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60 60  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
61 61  )))
62 62  
63 -[[image:image-20220527092419-5.png]]
57 +[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]
64 64  
65 65  Connection1
66 66  
67 -
68 68  (((
69 69  How to connect with Energy Meter：
70 70  )))
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89 89  Once there is power, the RS485-LN will be on.
90 90  )))
91 91  
92 -[[image:image-20220527092514-6.png]]
85 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
93 93  
94 94  Connection2
95 95  
96 96  
97 -[[image:image-20220527092555-7.png]]
90 +[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
98 98  
99 99  Connection3
100 100  
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103 103  
104 104  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.
105 105  
106 -[[image:image-20220527092629-8.png]]
99 +[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
107 107  
108 -
109 109  (% class="box infomessage" %)
110 110  (((
111 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
103 +Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
112 112  )))
113 113  
114 114  * The first byte : slave address code (=001～247)
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123 123  
124 124  (% class="box infomessage" %)
125 125  (((
126 -**Example:** RETURN1：01 03 02 08 FD 7E 05
118 +Example:RETURN1：01 03 02 08 FD 7E 05
127 127  )))
128 128  
129 129  * The first byte ARD: slave address code (=001～254)
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133 133  * The 6th and 7th bytes: CRC16 checksum
134 134  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
135 135  
136 -(% class="wikigeneratedid" %)
137 -(((
138 -
139 -)))
140 -
141 141  === 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 -
146 146  ==== 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.
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151 151  If the configured parameters and commands are incorrect, the return value is not obtained.
152 152  )))
153 153  
154 -[[image:image-20220527092748-9.png]]
140 +[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
155 155  
156 156  AT COMMAND
157 157  
158 -
159 159  (% class="box infomessage" %)
160 160  (((
161 161   AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
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167 167  
168 168  c: define the position for valid value.
169 169  
170 -[[image:image-20220527092936-10.png]]
155 +[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
171 171  
172 172  AT COMMAND
173 173  
174 -
175 175  PAYLOAD is available after the valid value is intercepted.
176 176  
177 177  
178 -[[image:image-20220527093059-11.png]]
162 +[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
179 179  
180 180  AT COMMAND
181 181  
182 -
183 183  You can get configured PAYLOAD on TTN.
184 184  
185 -[[image:image-20220527093133-12.png]]
186 186  
169 +[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
170 +
187 187  (((
188 188  AT COMMAND
189 189  )))
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232 232  Payload:01 00 02 39 85 08 DC 00 00 00 44
233 233  )))
234 234  
235 -[[image:image-20220527093204-13.png]]
219 +[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
236 236  
237 237  AT COMMAND
238 238  
239 -
240 240  01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
241 241  
242 -[[image:image-20220527093251-14.png]]
243 243  
226 +[[~[~[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]]
227 +
244 244  AT COMMAND
245 245  
246 246  
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