<
From version < 1.21 >
edited by Xiaoling
on 2022/05/12 10:36
To version < 39.4 >
edited by Xiaoling
on 2022/05/27 09:52
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1 +(% class="wikigeneratedid" %)
2 + **Contents:**
3 +
4 +{{toc/}}
5 +
1 1  = 1. Introduction =
2 2  
3 3  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
4 4  
10 +
5 5  == 1.1 Example 1: Connect to Leak relay and VFD ==
6 6  
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"]]
15 +[[image:image-20220527091852-1.png]]
10 10  
11 11  Connection
12 12  
13 13  
14 -[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %)
15 15  
21 +[[image:image-20220527091942-2.png]](% style="display:none" %)
22 +
16 16  Connection
17 17  
25 +
18 18  Related documents:
19 19  
20 20  * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
... ... @@ -25,12 +25,12 @@
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:
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"]]
36 +[[image:image-20220527092058-3.png]]
29 29  
30 30  Connection
31 31  
32 32  
33 -[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]
41 +[[image:image-20220527092146-4.png]]
34 34  
35 35  Connection
36 36  
... ... @@ -37,6 +37,8 @@
37 37  * [[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
38 38  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
39 39  
48 +== ==
49 +
40 40  == 1.3 Example3: Use RS485-LN with energy meters ==
41 41  
42 42  === 1.3.1 OverView ===
... ... @@ -49,10 +49,11 @@
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="726" width="545"]]
62 +[[image:image-20220527092419-5.png]]
53 53  
54 54  Connection1
55 55  
66 +
56 56  (((
57 57  How to connect with Energy Meter:
58 58  )))
... ... @@ -77,12 +77,12 @@
77 77  Once there is power, the RS485-LN will be on.
78 78  )))
79 79  
80 -[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
91 +[[image:image-20220527092514-6.png]]
81 81  
82 82  Connection2
83 83  
84 84  
85 -[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
96 +[[image:image-20220527092555-7.png]]
86 86  
87 87  Connection3
88 88  
... ... @@ -91,11 +91,12 @@
91 91  
92 92  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.
93 93  
94 -[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
105 +[[image:image-20220527092629-8.png]]
95 95  
107 +
96 96  (% class="box infomessage" %)
97 97  (((
98 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
110 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
99 99  )))
100 100  
101 101  * The first byte : slave address code (=001~247)
... ... @@ -110,7 +110,7 @@
110 110  
111 111  (% class="box infomessage" %)
112 112  (((
113 -Example:RETURN1:01 03 02 08 FD 7E 05
125 +**Example:** RETURN1:01 03 02 08 FD 7E 05
114 114  )))
115 115  
116 116  * The first byte ARD: slave address code (=001~254)
... ... @@ -120,10 +120,16 @@
120 120  * The 6th and 7th bytes: CRC16 checksum
121 121  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
122 122  
135 +(% class="wikigeneratedid" %)
136 +(((
137 +
138 +)))
139 +
123 123  === 1.3.3 How to configure RS485-LN and parse output commands ===
124 124  
125 125  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
126 126  
144 +
127 127  ==== 1.3.3.1 via AT COMMAND: ====
128 128  
129 129  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
... ... @@ -132,13 +132,14 @@
132 132  If the configured parameters and commands are incorrect, the return value is not obtained.
133 133  )))
134 134  
135 -[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
153 +[[image:image-20220527092748-9.png]]
136 136  
137 137  AT COMMAND
138 138  
157 +
139 139  (% class="box infomessage" %)
140 140  (((
141 - AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
160 + AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
142 142  )))
143 143  
144 144  a: length for the return of AT+COMMAND
... ... @@ -147,22 +147,23 @@
147 147  
148 148  c: define the position for valid value.
149 149  
150 -[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
169 +[[image:image-20220527092936-10.png]]
151 151  
152 152  AT COMMAND
153 153  
173 +
154 154  PAYLOAD is available after the valid value is intercepted.
155 155  
156 156  
157 -[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
177 +[[image:image-20220527093059-11.png]]
158 158  
159 159  AT COMMAND
160 160  
181 +
161 161  You can get configured PAYLOAD on TTN.
162 162  
184 +[[image:image-20220527093133-12.png]]
163 163  
164 -[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
165 -
166 166  (((
167 167  AT COMMAND
168 168  )))
... ... @@ -172,7 +172,9 @@
172 172  )))
173 173  
174 174  (((
175 -**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
195 +(% style="color:#4f81bd" %)**Example**:
196 +
197 +CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
176 176  )))
177 177  
178 178  (((
... ... @@ -181,6 +181,8 @@
181 181  
182 182  (((
183 183  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.
206 +
207 +
184 184  )))
185 185  
186 186  (((
... ... @@ -193,6 +193,8 @@
193 193  
194 194  (((
195 195  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.
220 +
221 +
196 196  )))
197 197  
198 198  (((
... ... @@ -211,14 +211,14 @@
211 211  Payload:01 00 02 39 85 08 DC 00 00 00 44
212 212  )))
213 213  
214 -[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
240 +[[image:image-20220527093204-13.png]]
215 215  
216 216  AT COMMAND
217 217  
218 -01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
219 219  
245 +(% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
220 220  
221 -[[~[~[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]]
247 +[[image:image-20220527093251-14.png]]
222 222  
223 223  AT COMMAND
224 224  
... ... @@ -225,7 +225,7 @@
225 225  
226 226  ==== 1.3.3.2 via LoRaWAN DOWNLINK ====
227 227  
228 -[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
254 +[[image:image-20220527093358-15.png]]
229 229  
230 230  (((
231 231  DOWNLINK
... ... @@ -236,12 +236,15 @@
236 236  )))
237 237  
238 238  (((
239 -Type Code 0xAF
265 +(% style="color:#4f81bd" %)**Type Code 0xAF**
240 240  )))
241 241  
242 242  (((
269 +(% class="box infomessage" %)
270 +(((
243 243  0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
244 244  )))
273 +)))
245 245  
246 246  (((
247 247  Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
... ... @@ -280,34 +280,34 @@
280 280  )))
281 281  
282 282  (((
283 -Example:
312 +(% style="color:#4f81bd" %)**Example:**
284 284  )))
285 285  
286 286  (((
287 -AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
316 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
288 288  )))
289 289  
290 -[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
319 +[[image:image-20220527093430-16.png]]
291 291  
292 292  DOWNLINK
293 293  
294 294  
295 -[[~[~[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]]
324 +[[image:image-20220527093508-17.png]]
296 296  
297 297  DOWNLINK
298 298  
299 299  
300 -[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
329 +[[image:image-20220527093530-18.png]]
301 301  
302 302  DOWNLINK
303 303  
304 304  
305 -[[~[~[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]]
334 +[[image:image-20220527093607-19.png]]
306 306  
307 307  DOWNLINK
308 308  
309 309  
310 -[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
339 +[[image:image-20220527093628-20.png]]
311 311  
312 312  DOWNLINK
313 313  
... ... @@ -334,12 +334,12 @@
334 334  check digit: Even
335 335  )))
336 336  
337 -[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
366 +[[image:image-20220527093708-21.png]]
338 338  
339 339  USB
340 340  
341 341  
342 -[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
371 +[[image:image-20220527093747-22.png]]
343 343  
344 344  USB
345 345  
... ... @@ -349,17 +349,18 @@
349 349  )))
350 350  
351 351  (((
352 -**Example:**  input:01 03 00 31 00 02 95 c4
381 +(% style="color:#4f81bd" %)**Example:**  (%%)input:01 03 00 31 00 02 95 c4
353 353  )))
354 354  
355 355  (((
356 - output:01 03 04 00 00 00 42 7A 02
385 + output01 03 04 00 00 00 42 7A 02
357 357  )))
358 358  
359 -[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
388 +[[image:image-20220527093821-23.png]]
360 360  
361 361  USB
362 362  
392 +
363 363  === 1.3.5 How to configure multiple devices and modify device addresses ===
364 364  
365 365  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.
... ... @@ -370,13 +370,14 @@
370 370  )))
371 371  )))
372 372  
373 -[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
403 +[[image:image-20220527093849-24.png]]
374 374  
405 +
375 375  **Example**:These two meters are examples of setting parameters and device addresses.
376 376  
377 -[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
408 +[[image:image-20220527093950-25.png]]
378 378  
379 -[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
410 +[[image:image-20220527094028-26.png]]
380 380  
381 381  (((
382 382  (((
... ... @@ -396,9 +396,12 @@
396 396  )))
397 397  )))
398 398  
399 -[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
430 +[[image:image-20220527094100-27.png]]
400 400  
401 -AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
432 +(% class="box infomessage" %)
433 +(((
434 +**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
435 +)))
402 402  
403 403  * 01:device adaress
404 404  
... ... @@ -420,10 +420,11 @@
420 420  
421 421  Its default device address is 01, and the following are the parameters for configuring two energy meters.
422 422  
423 -[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
457 +[[image:image-20220527094150-28.png]]
424 424  
425 -[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
426 426  
460 +[[image:image-20220527094224-29.png]]
461 +
427 427  PAYLOAD:01 08 DF 43 62
428 428  
429 429  * 08 DF is the valid value of the meter with device address 02.
... ... @@ -433,7 +433,7 @@
433 433  
434 434  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:
435 435  
436 -[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
471 +[[image:image-20220527094330-30.png]]
437 437  
438 438  Connection
439 439  
... ... @@ -455,7 +455,7 @@
455 455  
456 456  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
457 457  
458 -[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
493 +[[image:image-20220527094556-31.png]]
459 459  
460 460  Network Structure
461 461  
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