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Last modified by Karry Zhuang on 2024/07/11 11:58
From version 1.7
edited by Xiaoling
on 2022/05/12 09:54
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To version 61.1
edited by Bei Jinggeng
on 2023/08/08 15:16
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Summary

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1 -XWiki.Xiaoling
1 +XWiki.Bei
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1 +**Table of Contents:**
2 +
3 +{{toc/}}
4 +
5 +
6 +
7 +
8 +
9 +
1 1  = 1. Introduction =
2 2  
12 +
3 3  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
4 4  
15 +
5 5  == 1.1 Example 1: Connect to Leak relay and VFD ==
6 6  
18 +
7 7  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:
8 8  
9 -[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="297" width="534"]]
10 10  
11 -Connection
22 +[[image:image-20220527091852-1.png||height="547" width="994"]]
12 12  
13 -[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %)
24 +**Connection**
14 14  
15 -Connection
16 16  
17 -Related documents:
18 18  
19 -* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
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.
28 +[[image:image-20220527091942-2.png]](% style="display:none" %)
29 +
30 +**Connection**
31 +
32 +
33 +(% style="color:blue" %)**Related documents:**
34 +
35 +* System Structure:  [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
36 +
37 +* Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code:  [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
38 +
21 21  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
22 22  
23 23  
24 24  == 1.2 Example 2: Connect to Pulse Counter ==
25 25  
44 +
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:
27 27  
28 -[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]
29 29  
30 -Connection
48 +[[image:image-20220527092058-3.png||height="552" width="905"]]
31 31  
32 -[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]
50 +**Connection**
33 33  
34 -Connection
35 35  
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
53 +
54 +[[image:image-20220527092146-4.png||height="507" width="906"]]
55 +
56 +**Connection**
57 +
58 +
59 +(% style="color:blue" %)**Related documents:**
60 +
61 +* Configure Document:  [[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/||_mstmutation="1"]]
62 +
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 39  
40 -== 1.3 Example3: Use RS485-LN with energy meters ==
66 +== 1.3 Example 3: Use RS485-LN with energy meters ==
41 41  
42 42  === 1.3.1 OverView ===
43 43  
70 +
44 44  (((
45 -**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
72 +(% style="color:red" %)**Note**：**The specifications of each energy meter are different, please refer to your own energy meter specifications.**
46 46  )))
47 47  
48 48  (((
49 49  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
77 +
78 +
50 50  )))
51 51  
52 -[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="800" width="600"]]
81 +[[image:image-20220527092419-5.png]]
53 53  
54 -Connection1
83 +**Connection1**
55 55  
56 -How to connect with Energy Meter：
57 57  
86 +
87 +(((
88 +(% style="color:blue" %)**How to connect with Energy Meter：**
89 +
90 +
91 +)))
92 +
93 +(((
58 58  Follow the instructions of the electric energy meter to connect the phase line and the neutral line, and then connect 485A+ and 485B- to RS485A and RA485B of RS485-LN respectively.
95 +)))
59 59  
97 +(((
60 60  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
99 +)))
61 61  
62 -Power Source VIN to RS485-LN VIN+
101 +(((
102 +Power Source **VIN** to RS485-LN **VIN+**
103 +)))
63 63  
64 -Power Source GND to RS485-LN VIN-
105 +(((
106 +Power Source **GND** to RS485-LN **VIN-**
107 +)))
65 65  
109 +(((
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"]]
112 +
113 +)))
69 69  
70 -Connection2
115 +[[image:image-20220527092514-6.png]]
71 71  
72 -[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="800" width="600"]]
117 +**Connection2**
73 73  
74 -Connection3
75 75  
76 76  
121 +[[image:image-20220527092555-7.png]]
122 +
123 +**Connection3**
124 +
125 +
77 77  === 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
78 78  
128 +
79 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.
80 80  
81 -[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
131 +[[image:image-20220601143257-10.png]]
82 82  
83 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
84 84  
134 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
135 +
85 85  * The first byte : slave address code (=001～247)
137 +
86 86  * The second byte : read register value function code
139 +
87 87  * 3rd and 4th bytes: start address of register to be read
141 +
88 88  * 5th and 6th bytes: Number of registers to read
143 +
89 89  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
90 90  
146 +(((
147 +
148 +
149 +
91 91  How to parse the reading of the return command of the parameter：
92 92  
93 -Example:RETURN1：01 03 02 08 FD 7E 05
152 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
153 +)))
94 94  
95 95  * The first byte ARD: slave address code (=001～254)
156 +
96 96  * The second byte: Return to read function code
158 +
97 97  * 3rd byte: total number of bytes
160 +
98 98  * 4th～5th bytes: register data
162 +
99 99  * The 6th and 7th bytes: CRC16 checksum
164 +
100 100  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
101 101  
102 102  
103 103  === 1.3.3 How to configure RS485-LN and parse output commands ===
104 104  
170 +
105 105  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
106 106  
107 -==== via AT COMMAND: ====
108 108  
109 -First, we can use AT+CFGDEV to get the return value, and we can also judge whether the input parameters are correct.
174 +==== **1.3.3.1 via AT COMMAND** ====
110 110  
176 +
177 +First, we can use (% style="color:blue" %)**AT+CFGDEV**(%%) to get the return value, and we can also judge whether the input parameters are correct.
178 +
179 +(((
111 111  If the configured parameters and commands are incorrect, the return value is not obtained.
112 112  
113 -[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
182 +
183 +)))
114 114  
115 -AT COMMAND
185 +[[image:image-20220601143201-9.png]]
116 116  
117 -AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
187 +**AT COMMAND**
118 118  
119 -a: length for the return of AT+COMMAND
120 120  
121 -b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
190 +(% class="box infomessage" %)
191 +(((
192 + (% _mstmutation="1" %)**AT+DATACUTx **(%%):  This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
193 +)))
122 122  
123 -c: define the position for valid value.
195 +a:  length for the return of AT+COMMAND
124 124  
125 -[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
197 +b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
126 126  
127 -AT COMMAND
199 +c:  define the position for valid value.
128 128  
201 +[[image:image-20220601143115-8.png]]
202 +
203 +**AT COMMAND**
204 +
205 +
206 +
129 129  PAYLOAD is available after the valid value is intercepted.
130 130  
131 -[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
209 +[[image:image-20220601143046-7.png]]
132 132  
133 -AT COMMAND
211 +**AT COMMAND**
134 134  
213 +
214 +
135 135  You can get configured PAYLOAD on TTN.
136 136  
137 -[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
217 +[[image:image-20220601143519-1.png]]
138 138  
139 -AT COMMAND
219 +(((
220 +**AT COMMAND**
221 +)))
140 140  
141 -Example: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
223 +(((
224 +
225 +)))
142 142  
143 -RETURN1:01 03 02 00 02 39 85 00 00(return data)
227 +(((
228 +(% style="color:blue" %)**Example**:
144 144  
145 -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.
230 +(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
231 +)))
146 146  
147 -CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
233 +(((
234 +RETURN1: 01 03 02 00 02 39 85 00 00(return data)
235 +)))
148 148  
149 -RETURN2:01 03 02 08 DC BE 1D(return data)
237 +(((
238 +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.
150 150  
151 -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.
240 +
241 +)))
152 152  
153 -CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
243 +(((
244 +(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
245 +)))
154 154  
155 -RETURN3:01 03 04 00 00 00 44 FA 00(return data)
247 +(((
248 +RETURN2: 01 03 02 08 DC BE 1D(return data)
249 +)))
156 156  
157 -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.
251 +(((
252 +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.
158 158  
159 -Payload:01 00 02 39 85 08 DC 00 00 00 44
254 +
255 +)))
160 160  
161 -[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
257 +(((
258 +(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
259 +)))
162 162  
261 +(((
262 +RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
263 +)))
264 +
265 +(((
266 +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.
267 +)))
268 +
269 +(((
270 +Payload: 01 00 02 39 85 08 DC 00 00 00 44
271 +)))
272 +
273 +[[image:image-20220601142936-6.png]]
274 +
163 163  AT COMMAND
164 164  
165 -01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
166 166  
167 -[[~[~[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]]
168 168  
279 +(% style="color:blue" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
280 +
281 +
282 +[[image:image-20220601143642-2.png]]
283 +
169 169  AT COMMAND
170 170  
171 -==== 1.3.3.1 via LoRaWAN DOWNLINK ====
172 172  
173 -[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
174 174  
175 -DOWNLINK
288 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
176 176  
177 -Type Code 0xAF
178 178  
291 +[[image:image-20220527093358-15.png]]
292 +
293 +(((
294 +**DOWNLINK**
295 +)))
296 +
297 +
298 +
299 +(((
300 +(% style="color:blue" %)**Type Code 0xAF**
301 +)))
302 +
303 +(((
304 +(% class="box infomessage" %)
305 +(((
179 179  0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
307 +)))
308 +)))
180 180  
181 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
310 +(((
311 +(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
312 +)))
182 182  
314 +(((
183 183  Format: AF MM NN LL XX XX XX XX YY
316 +)))
184 184  
318 +(((
185 185  Where:
320 +)))
186 186  
322 +(((
187 187  MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
324 +)))
188 188  
326 +(((
189 189  NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
328 +)))
190 190  
330 +(((
191 191  LL: The length of AT+COMMAND or AT+DATACUT command
332 +)))
192 192  
334 +(((
193 193  XX XX XX XX: AT+COMMAND or AT+DATACUT command
336 +)))
194 194  
338 +(((
195 195  YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN
340 +)))
196 196  
342 +(((
197 197  will execute an uplink after got this command.
344 +)))
198 198  
199 -Example:
200 200  
201 -AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
347 +(((
348 +(% style="color:blue" %)**Example:**
349 +)))
202 202  
203 -[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
351 +(((
352 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
353 +)))
204 204  
205 -DOWNLINK
355 +[[image:image-20220601144149-6.png]]
206 206  
207 -[[~[~[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]]
357 +**DOWNLINK**
208 208  
209 -DOWNLINK
210 210  
211 -[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
212 212  
213 -DOWNLINK
361 +[[image:image-20220601143803-3.png]]
214 214  
215 -[[~[~[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]]
363 +**DOWNLINK**
216 216  
217 -DOWNLINK
218 218  
219 -[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
220 220  
221 -DOWNLINK
222 -
367 +[[image:image-20220601144053-5.png]]
223 223  
369 +**DOWNLINK**
370 +
371 +
372 +
373 +[[image:image-20220601143921-4.png]]
374 +
375 +**DOWNLINK**
376 +
377 +
378 +
379 +[[image:image-20220601142805-5.png]]
380 +
381 +**DOWNLINK**
382 +
383 +
224 224  === 1.3.4 How to configure and output commands for RS485 to USB ===
225 225  
386 +
387 +(((
226 226  This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN.
389 +)))
227 227  
391 +(((
228 228  First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter.
393 +)))
229 229  
395 +(((
230 230  Open the serial port debugging, set the send and receive to HEX.
397 +)))
231 231  
399 +(((
232 232  Baud rate: 9600
401 +)))
233 233  
403 +(((
234 234  check digit: Even
235 235  
236 -[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]]
406 +
407 +)))
237 237  
238 -USB
409 +[[image:image-20220527093708-21.png]]
239 239  
240 -[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]]
411 +**USB**
241 241  
242 -USB
243 243  
414 +
415 +[[image:image-20220527093747-22.png]]
416 +
417 +**USB**
418 +
419 +
420 +
421 +(((
244 244  The configuration command is consistent with the AT command, input the hexadecimal command directly into the serial port, and the serial port will output the command.
423 +)))
245 245  
246 -Example:input：01 03 00 31 00 02 95 c4
425 +(((
426 +(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
427 +)))
247 247  
248 -{{{ output:01 03 04 00 00 00 42 7A 02
249 -}}}
429 +(((
430 + output：01 03 04 00 00 00 42 7A 02
250 250  
251 -[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
432 +
433 +)))
252 252  
253 -USB
435 +[[image:image-20220527093821-23.png]]
254 254  
437 +**USB**
438 +
439 +
440 +
255 255  === 1.3.5 How to configure multiple devices and modify device addresses ===
256 256  
443 +
257 257  If users need to read the parameters of multiple energy meters, they need to modify the device address, because the default device address of each energy meter is 01.
258 258  
446 +(((
447 +(((
259 259  Set the device address according to the parameters in the appendix of the MODBUS communication protocol.
449 +)))
450 +)))
260 260  
261 -[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
452 +[[image:image-20220601142044-1.png]]
262 262  
263 -Example:These two meters are examples of setting parameters and device addresses.
264 264  
265 -[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]]
455 +(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
266 266  
267 -[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]]
268 268  
458 +[[image:image-20220527093950-25.png]]
459 +
460 +
461 +[[image:image-20220527094028-26.png]]
462 +
463 +
464 +(((
465 +(((
269 269  First of all, since the default device address of the energy meter is 01, the configuration of two energy meters will conflict, so we first connect an energy meter and configure the device address.
467 +)))
468 +)))
270 270  
271 -We can use AT+CFGDEV to set the device address.
470 +(((
471 +(((
472 +We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address.
473 +)))
474 +)))
272 272  
476 +(((
477 +(((
273 273  We modify the device address 01 of the first energy meter to 02.
479 +)))
480 +)))
274 274  
275 -[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
482 +[[image:image-20220601142354-2.png]]
276 276  
277 -AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
278 278  
279 -* 01:device adaress
485 +(% class="box infomessage" %)
486 +(((
487 +**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
488 +)))
280 280  
281 -* 10:function code
490 +* 01: device adaress
282 282  
492 +* 10: function code
493 +
283 283  * 00 61：Register address
284 284  
285 285  * 00 01：Number of Registers
... ... @@ -296,47 +296,73 @@
296 296  
297 297  Its default device address is 01, and the following are the parameters for configuring two energy meters.
298 298  
299 -[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
510 +[[image:image-20220601142452-3.png]]
300 300  
301 -[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
302 302  
303 -PAYLOAD:01 08 DF 43 62
513 +[[image:image-20220601142607-4.png]]
304 304  
515 +
516 +(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62**
517 +
305 305  * 08 DF is the valid value of the meter with device address 02.
306 306  * 43 62 is the valid value of the meter with device address 01.
307 307  
521 +(% style="display:none" %) (%%)
308 308  
523 +
309 309  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
310 310  
311 -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:
312 312  
313 -[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
527 +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.
314 314  
315 -Connection
529 +The structure is like below:
316 316  
317 -* [[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
531 +[[image:image-20220527094330-30.png]]
318 318  
533 +**Connection**
319 319  
535 +
536 +* Configure Documen:  [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/||_mstmutation="1"]]
537 +
538 +
320 320  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
321 321  
541 +
322 322  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:
323 323  
324 -* [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Application_Note/&file=Dragino%20RS485BL%20and%20pickdata%20SEM%20Three%20v1.pdf]] : Configure Document For RS485-BL
544 +* Configure Document For RS485-BL:  [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Application_Note/&file=Dragino%20RS485BL%20and%20pickdata%20SEM%20Three%20v1.pdf||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
325 325  
326 -* [[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
546 +* Configure Document for RS485-LN:  [[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||_mstmutation="1"]]
327 327  
328 328  
329 -== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
549 +== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
330 330  
551 +
331 331  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:
332 332  
333 -* [[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
554 +* Configure Document For RS485-LN:  [[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||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
334 334  
335 335  
336 -== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
557 +== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
337 337  
338 -[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
339 339  
560 +[[image:image-20220527094556-31.png]]
561 +
562 +
340 340  Network Structure
341 341  
342 342  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
566 +
567 +== ==
568 +
569 +== 1.8  Example 8: This sketch is supposed to test Dragino RS485-BL (Modbus master), using an Arduino UNO as a Modbus slave. ==
570 +
571 +This sketch uses 4 registers: some of them can be set by Dragino with a command, another is used to store value from a DS18B20 temperature sensor, or a random generated number. All data is 16bit uint, but the sketch shows also how to represent booleans and negative numbers.
572 +
573 +In the next days I will be adding more documentation, but I think it already explains users how to build their own modbus sensor to pair with Dragino RS485-BL.
574 +
575 +This is released the code under GNU LGPL licence on Github:
576 +
577 +[[https:~~/~~/github.com/zorbaproject/ArduinoModbusForDraginoRS485>>url:https://github.com/zorbaproject/ArduinoModbusForDraginoRS485]]
578 +
579 +
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