Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 1.11 >
edited by Xiaoling
on 2022/05/12 10:07
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  
... ... @@ -63,7 +63,7 @@
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  
... ... @@ -74,14 +74,13 @@
74 74  
75 75  === 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
76 76  
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.
75 +If the user needs to read the parameters of the electric energy meter and use the modbus command,
78 78  
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  
81 -(% class="box infomessage" %)
82 -(((
83 83  Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
84 -)))
85 85  
86 86  * The first byte : slave address code (=001～247)
87 87  * The second byte : read register value function code
... ... @@ -91,10 +91,7 @@
91 91  
92 92  How to parse the reading of the return command of the parameter：
93 93  
94 -(% class="box infomessage" %)
95 -(((
96 96  Example:RETURN1：01 03 02 08 FD 7E 05
97 -)))
98 98  
99 99  * The first byte ARD: slave address code (=001～254)
100 100  * The second byte: Return to read function code
... ... @@ -103,26 +103,22 @@
103 103  * The 6th and 7th bytes: CRC16 checksum
104 104  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
105 105  
100 +
106 106  === 1.3.3 How to configure RS485-LN and parse output commands ===
107 107  
108 108  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
109 109  
110 -==== 1.3.3.1 via AT COMMAND: ====
105 +==== via AT COMMAND: ====
111 111  
112 -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.
113 113  
114 -(((
115 115  If the configured parameters and commands are incorrect, the return value is not obtained.
116 -)))
117 117  
118 118  [[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
119 119  
120 -**AT COMMAND**
113 +AT COMMAND
121 121  
122 -(% class="box infomessage" %)
123 -(((
124 124  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 -)))
126 126  
127 127  a: length for the return of AT+COMMAND
128 128  
... ... @@ -136,7 +136,6 @@
136 136  
137 137  PAYLOAD is available after the valid value is intercepted.
138 138  
139 -
140 140  [[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
141 141  
142 142  AT COMMAND
... ... @@ -143,12 +143,11 @@
143 143  
144 144  You can get configured PAYLOAD on TTN.
145 145  
146 -
147 147  [[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
148 148  
149 149  AT COMMAND
150 150  
151 -**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
139 +Example: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
152 152  
153 153  RETURN1:01 03 02 00 02 39 85 00 00(return data)
154 154  
... ... @@ -174,91 +174,54 @@
174 174  
175 175  01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
176 176  
177 -
178 178  [[~[~[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]]
179 179  
180 180  AT COMMAND
181 181  
169 +==== 1.3.3.1 via LoRaWAN DOWNLINK ====
182 182  
183 -==== 1.3.3.2 via LoRaWAN DOWNLINK ====
184 -
185 185  [[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
186 186  
187 -(((
188 188  DOWNLINK
189 -)))
190 190  
191 -(((
192 -
193 -)))
194 -
195 -(((
196 196  Type Code 0xAF
197 -)))
198 198  
199 -(((
200 200  0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
201 -)))
202 202  
203 -(((
204 204  Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
205 -)))
206 206  
207 -(((
208 208  Format: AF MM NN LL XX XX XX XX YY
209 -)))
210 210  
211 -(((
212 212  Where:
213 -)))
214 214  
215 -(((
216 216  MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
217 -)))
218 218  
219 -(((
220 220  NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
221 -)))
222 222  
223 -(((
224 224  LL: The length of AT+COMMAND or AT+DATACUT command
225 -)))
226 226  
227 -(((
228 228  XX XX XX XX: AT+COMMAND or AT+DATACUT command
229 -)))
230 230  
231 -(((
232 232  YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN
233 -)))
234 234  
235 -(((
236 236  will execute an uplink after got this command.
237 -)))
238 238  
239 -(((
240 240  Example:
241 -)))
242 242  
243 -(((
244 244  AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
245 -)))
246 246  
247 247  [[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
248 248  
249 249  DOWNLINK
250 250  
251 -
252 252  [[~[~[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]]
253 253  
254 254  DOWNLINK
255 255  
256 -
257 257  [[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
258 258  
259 259  DOWNLINK
260 260  
261 -
262 262  [[~[~[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]]
263 263  
264 264  DOWNLINK
... ... @@ -352,6 +352,7 @@
352 352  * 08 DF is the valid value of the meter with device address 02.
353 353  * 43 62 is the valid value of the meter with device address 01.
354 354  
306 +
355 355  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
356 356  
357 357  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:
... ... @@ -362,6 +362,7 @@
362 362  
363 363  * [[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
364 364  
317 +
365 365  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
366 366  
367 367  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:
... ... @@ -370,6 +370,7 @@
370 370  
371 371  * [[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
372 372  
326 +
373 373  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
374 374  
375 375  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:
... ... @@ -376,6 +376,7 @@
376 376  
377 377  * [[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
378 378  
333 +
379 379  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
380 380  
381 381  [[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