Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 1.12 >
edited by Xiaoling
on 2022/05/12 10:13
To version < 1.4 >
edited by Xiaoling
on 2022/05/12 09:51
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -20,6 +20,7 @@
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 +
23 23  == 1.2 Example 2: Connect to Pulse Counter ==
24 24  
25 25  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:
... ... @@ -35,19 +35,16 @@
35 35  * [[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
36 36  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
37 37  
39 +
38 38  == 1.3 Example3: Use RS485-LN with energy meters ==
39 39  
40 40  === 1.3.1 OverView ===
41 41  
42 -(((
43 -**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
44 -)))
44 +Note：The specifications of each energy meter are different, please refer to your own energy meter specifications.
45 45  
46 -(((
47 47  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
48 -)))
49 49  
50 -[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]
48 +[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="800" width="600"]]
51 51  
52 52  Connection1
53 53  
... ... @@ -63,26 +63,24 @@
63 63  
64 64  Once there is power, the RS485-LN will be on.
65 65  
66 -[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
64 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="450" width="600"]]
67 67  
68 68  Connection2
69 69  
68 +[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="800" width="600"]]
70 70  
71 -[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="763" width="573"]]
72 -
73 73  Connection3
74 74  
75 75  
76 76  === 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
77 77  
78 -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.
75 +If the user needs to read the parameters of the electric energy meter and use the modbus command,
79 79  
77 +please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter.
78 +
80 80  [[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
81 81  
82 -(% class="box infomessage" %)
83 -(((
84 84  Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
85 -)))
86 86  
87 87  * The first byte : slave address code (=001～247)
88 88  * The second byte : read register value function code
... ... @@ -90,14 +90,9 @@
90 90  * 5th and 6th bytes: Number of registers to read
91 91  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
92 92  
93 -(((
94 94  How to parse the reading of the return command of the parameter：
95 -)))
96 96  
97 -(% class="box infomessage" %)
98 -(((
99 99  Example:RETURN1：01 03 02 08 FD 7E 05
100 -)))
101 101  
102 102  * The first byte ARD: slave address code (=001～254)
103 103  * The second byte: Return to read function code
... ... @@ -106,26 +106,22 @@
106 106  * The 6th and 7th bytes: CRC16 checksum
107 107  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
108 108  
100 +
109 109  === 1.3.3 How to configure RS485-LN and parse output commands ===
110 110  
111 111  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
112 112  
113 -==== 1.3.3.1 via AT COMMAND: ====
105 +==== via AT COMMAND: ====
114 114  
115 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
107 +First, we can use AT+CFGDEV to get the return value, and we can also judge whether the input parameters are correct.
116 116  
117 -(((
118 118  If the configured parameters and commands are incorrect, the return value is not obtained.
119 -)))
120 120  
121 121  [[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
122 122  
123 123  AT COMMAND
124 124  
125 -(% class="box infomessage" %)
126 -(((
127 127  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 -)))
129 129  
130 130  a: length for the return of AT+COMMAND
131 131  
... ... @@ -139,7 +139,6 @@
139 139  
140 140  PAYLOAD is available after the valid value is intercepted.
141 141  
142 -
143 143  [[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
144 144  
145 145  AT COMMAND
... ... @@ -146,52 +146,29 @@
146 146  
147 147  You can get configured PAYLOAD on TTN.
148 148  
149 -
150 150  [[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
151 151  
152 -(((
153 153  AT COMMAND
154 -)))
155 155  
156 -(((
157 -**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
158 -)))
139 +Example: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
159 159  
160 -(((
161 161  RETURN1:01 03 02 00 02 39 85 00 00(return data)
162 -)))
163 163  
164 -(((
165 165  AT+DATACUT1:9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
166 -)))
167 167  
168 -(((
169 169  CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
170 -)))
171 171  
172 -(((
173 173  RETURN2:01 03 02 08 DC BE 1D(return data)
174 -)))
175 175  
176 -(((
177 177  AT+DATACUT2:7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
178 -)))
179 179  
180 -(((
181 181  CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
182 -)))
183 183  
184 -(((
185 185  RETURN3:01 03 04 00 00 00 44 FA 00(return data)
186 -)))
187 187  
188 -(((
189 189  AT+DATACUT3:9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
190 -)))
191 191  
192 -(((
193 193  Payload:01 00 02 39 85 08 DC 00 00 00 44
194 -)))
195 195  
196 196  [[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
197 197  
... ... @@ -199,91 +199,54 @@
199 199  
200 200  01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
201 201  
202 -
203 203  [[~[~[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]]
204 204  
205 205  AT COMMAND
206 206  
169 +==== 1.3.3.1 via LoRaWAN DOWNLINK ====
207 207  
208 -==== 1.3.3.2 via LoRaWAN DOWNLINK ====
209 -
210 210  [[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
211 211  
212 -(((
213 213  DOWNLINK
214 -)))
215 215  
216 -(((
217 -
218 -)))
219 -
220 -(((
221 221  Type Code 0xAF
222 -)))
223 223  
224 -(((
225 225  0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
226 -)))
227 227  
228 -(((
229 229  Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
230 -)))
231 231  
232 -(((
233 233  Format: AF MM NN LL XX XX XX XX YY
234 -)))
235 235  
236 -(((
237 237  Where:
238 -)))
239 239  
240 -(((
241 241  MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
242 -)))
243 243  
244 -(((
245 245  NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
246 -)))
247 247  
248 -(((
249 249  LL: The length of AT+COMMAND or AT+DATACUT command
250 -)))
251 251  
252 -(((
253 253  XX XX XX XX: AT+COMMAND or AT+DATACUT command
254 -)))
255 255  
256 -(((
257 257  YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN
258 -)))
259 259  
260 -(((
261 261  will execute an uplink after got this command.
262 -)))
263 263  
264 -(((
265 265  Example:
266 -)))
267 267  
268 -(((
269 269  AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
270 -)))
271 271  
272 272  [[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
273 273  
274 274  DOWNLINK
275 275  
276 -
277 277  [[~[~[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]]
278 278  
279 279  DOWNLINK
280 280  
281 -
282 282  [[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
283 283  
284 284  DOWNLINK
285 285  
286 -
287 287  [[~[~[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]]
288 288  
289 289  DOWNLINK
... ... @@ -377,6 +377,7 @@
377 377  * 08 DF is the valid value of the meter with device address 02.
378 378  * 43 62 is the valid value of the meter with device address 01.
379 379  
306 +
380 380  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
381 381  
382 382  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:
... ... @@ -387,6 +387,7 @@
387 387  
388 388  * [[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
389 389  
317 +
390 390  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
391 391  
392 392  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:
... ... @@ -395,6 +395,7 @@
395 395  
396 396  * [[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
397 397  
326 +
398 398  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
399 399  
400 400  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:
... ... @@ -401,6 +401,7 @@
401 401  
402 402  * [[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
403 403  
333 +
404 404  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
405 405  
406 406  [[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]

Applications

Navigation

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