Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 1.6 >
edited by Xiaoling
on 2022/05/12 09:53
To version < 1.11 >
edited by Xiaoling
on 2022/05/12 10:07
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -20,7 +20,6 @@
20 20  * [[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.
21 21  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
22 22  
23 -
24 24  == 1.2 Example 2: Connect to Pulse Counter ==
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:
... ... @@ -36,7 +36,6 @@
36 36  * [[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
37 37  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
38 38  
39 -
40 40  == 1.3 Example3: Use RS485-LN with energy meters ==
41 41  
42 42  === 1.3.1 OverView ===
... ... @@ -49,7 +49,7 @@
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="800" width="600"]]
50 +[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]
53 53  
54 54  Connection1
55 55  
... ... @@ -65,7 +65,7 @@
65 65  
66 66  Once there is power, the RS485-LN will be on.
67 67  
68 -[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="450" width="600"]]
66 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
69 69  
70 70  Connection2
71 71  
... ... @@ -76,13 +76,14 @@
76 76  
77 77  === 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
78 78  
79 -If the user needs to read the parameters of the electric energy meter and use the modbus command,
77 +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.
80 80  
81 -please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter.
82 -
83 83  [[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
84 84  
81 +(% class="box infomessage" %)
82 +(((
85 85  Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
84 +)))
86 86  
87 87  * The first byte : slave address code (=001～247)
88 88  * The second byte : read register value function code
... ... @@ -92,7 +92,10 @@
92 92  
93 93  How to parse the reading of the return command of the parameter：
94 94  
94 +(% class="box infomessage" %)
95 +(((
95 95  Example:RETURN1：01 03 02 08 FD 7E 05
97 +)))
96 96  
97 97  * The first byte ARD: slave address code (=001～254)
98 98  * The second byte: Return to read function code
... ... @@ -101,22 +101,26 @@
101 101  * The 6th and 7th bytes: CRC16 checksum
102 102  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
103 103  
104 -
105 105  === 1.3.3 How to configure RS485-LN and parse output commands ===
106 106  
107 107  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
108 108  
109 -==== via AT COMMAND: ====
110 +==== 1.3.3.1 via AT COMMAND: ====
110 110  
111 -First, we can use AT+CFGDEV to get the return value, and we can also judge whether the input parameters are correct.
112 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
112 112  
114 +(((
113 113  If the configured parameters and commands are incorrect, the return value is not obtained.
116 +)))
114 114  
115 115  [[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
116 116  
117 -AT COMMAND
120 +**AT COMMAND**
118 118  
122 +(% class="box infomessage" %)
123 +(((
119 119  AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
125 +)))
120 120  
121 121  a: length for the return of AT+COMMAND
122 122  
... ... @@ -130,6 +130,7 @@
130 130  
131 131  PAYLOAD is available after the valid value is intercepted.
132 132  
139 +
133 133  [[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
134 134  
135 135  AT COMMAND
... ... @@ -136,11 +136,12 @@
136 136  
137 137  You can get configured PAYLOAD on TTN.
138 138  
146 +
139 139  [[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
140 140  
141 141  AT COMMAND
142 142  
143 -Example: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
151 +**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
144 144  
145 145  RETURN1:01 03 02 00 02 39 85 00 00(return data)
146 146  
... ... @@ -166,54 +166,91 @@
166 166  
167 167  01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
168 168  
177 +
169 169  [[~[~[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]]
170 170  
171 171  AT COMMAND
172 172  
173 -==== 1.3.3.1 via LoRaWAN DOWNLINK ====
174 174  
183 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
184 +
175 175  [[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
176 176  
187 +(((
177 177  DOWNLINK
189 +)))
178 178  
191 +(((
192 +
193 +)))
194 +
195 +(((
179 179  Type Code 0xAF
197 +)))
180 180  
199 +(((
181 181  0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
201 +)))
182 182  
203 +(((
183 183  Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
205 +)))
184 184  
207 +(((
185 185  Format: AF MM NN LL XX XX XX XX YY
209 +)))
186 186  
211 +(((
187 187  Where:
213 +)))
188 188  
215 +(((
189 189  MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
217 +)))
190 190  
219 +(((
191 191  NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
221 +)))
192 192  
223 +(((
193 193  LL: The length of AT+COMMAND or AT+DATACUT command
225 +)))
194 194  
227 +(((
195 195  XX XX XX XX: AT+COMMAND or AT+DATACUT command
229 +)))
196 196  
231 +(((
197 197  YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN
233 +)))
198 198  
235 +(((
199 199  will execute an uplink after got this command.
237 +)))
200 200  
239 +(((
201 201  Example:
241 +)))
202 202  
243 +(((
203 203  AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
245 +)))
204 204  
205 205  [[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
206 206  
207 207  DOWNLINK
208 208  
251 +
209 209  [[~[~[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]]
210 210  
211 211  DOWNLINK
212 212  
256 +
213 213  [[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
214 214  
215 215  DOWNLINK
216 216  
261 +
217 217  [[~[~[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]]
218 218  
219 219  DOWNLINK
... ... @@ -307,7 +307,6 @@
307 307  * 08 DF is the valid value of the meter with device address 02.
308 308  * 43 62 is the valid value of the meter with device address 01.
309 309  
310 -
311 311  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
312 312  
313 313  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:
... ... @@ -318,7 +318,6 @@
318 318  
319 319  * [[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
320 320  
321 -
322 322  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
323 323  
324 324  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:
... ... @@ -327,7 +327,6 @@
327 327  
328 328  * [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/SEM_Three_Energy_Meter/&file=SEM%20three%20and%20Dragino%20RS485-LN%20v1.pdf]] : Configure Document for RS485-LN
329 329  
330 -
331 331  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
332 332  
333 333  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 CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below:
... ... @@ -334,7 +334,6 @@
334 334  
335 335  * [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf]] : Configure Document For RS485-LN
336 336  
337 -
338 338  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
339 339  
340 340  [[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]

Applications

Navigation

Copyright ©2010-2022 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0