<
From version < 1.4 >
edited by Xiaoling
on 2022/05/12 09:51
To version < 1.8 >
edited by Xiaoling
on 2022/05/12 10:03
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -41,9 +41,13 @@
41 41  
42 42  === 1.3.1 OverView ===
43 43  
44 -Note:The specifications of each energy meter are different, please refer to your own energy meter specifications.
44 +(((
45 +**Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications.
46 +)))
45 45  
48 +(((
46 46  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
50 +)))
47 47  
48 48  [[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="800" width="600"]]
49 49  
... ... @@ -72,13 +72,14 @@
72 72  
73 73  === 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
74 74  
75 -If the user needs to read the parameters of the electric energy meter and use the modbus command,
79 +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.
76 76  
77 -please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter.
78 -
79 79  [[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
80 80  
83 +(% class="box infomessage" %)
84 +(((
81 81  Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
86 +)))
82 82  
83 83  * The first byte : slave address code (=001~247)
84 84  * The second byte : read register value function code
... ... @@ -88,7 +88,10 @@
88 88  
89 89  How to parse the reading of the return command of the parameter:
90 90  
96 +(% class="box infomessage" %)
97 +(((
91 91  Example:RETURN1:01 03 02 08 FD 7E 05
99 +)))
92 92  
93 93  * The first byte ARD: slave address code (=001~254)
94 94  * The second byte: Return to read function code
... ... @@ -102,17 +102,22 @@
102 102  
103 103  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
104 104  
105 -==== via AT COMMAND: ====
113 +==== 1.3.3.1 via AT COMMAND: ====
106 106  
107 -First, we can use AT+CFGDEV to get the return value, and we can also judge whether the input parameters are correct.
115 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
108 108  
117 +(((
109 109  If the configured parameters and commands are incorrect, the return value is not obtained.
119 +)))
110 110  
111 111  [[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
112 112  
113 -AT COMMAND
123 +**AT COMMAND**
114 114  
125 +(% class="box infomessage" %)
126 +(((
115 115  AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
128 +)))
116 116  
117 117  a: length for the return of AT+COMMAND
118 118  
... ... @@ -126,6 +126,7 @@
126 126  
127 127  PAYLOAD is available after the valid value is intercepted.
128 128  
142 +
129 129  [[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
130 130  
131 131  AT COMMAND
... ... @@ -132,11 +132,12 @@
132 132  
133 133  You can get configured PAYLOAD on TTN.
134 134  
149 +
135 135  [[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
136 136  
137 137  AT COMMAND
138 138  
139 -Example: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
154 +**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
140 140  
141 141  RETURN1:01 03 02 00 02 39 85 00 00(return data)
142 142  
... ... @@ -162,12 +162,14 @@
162 162  
163 163  01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
164 164  
180 +
165 165  [[~[~[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]]
166 166  
167 167  AT COMMAND
168 168  
169 -==== 1.3.3.1 via LoRaWAN DOWNLINK ====
170 170  
186 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
187 +
171 171  [[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
172 172  
173 173  DOWNLINK
... ... @@ -202,14 +202,17 @@
202 202  
203 203  DOWNLINK
204 204  
222 +
205 205  [[~[~[image:https://wiki.dragino.com/images/thumb/2/20/DOWNLINK_METER3.png/600px-DOWNLINK_METER3.png~|~|height="105" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER3.png]]
206 206  
207 207  DOWNLINK
208 208  
227 +
209 209  [[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
210 210  
211 211  DOWNLINK
212 212  
232 +
213 213  [[~[~[image:https://wiki.dragino.com/images/thumb/3/39/DOWNLINK_METER5.png/600px-DOWNLINK_METER5.png~|~|height="176" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER5.png]]
214 214  
215 215  DOWNLINK
Copyright ©2010-2022 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0