<
From version < 39.1 >
edited by Xiaoling
on 2022/05/27 09:47
To version < 1.13 >
edited by Xiaoling
on 2022/05/12 10:15
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1 -(% class="wikigeneratedid" %)
2 - **Contents:**
3 -
4 -{{toc/}}
5 -
6 6  = 1. Introduction =
7 7  
8 8  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
9 9  
10 -
11 11  == 1.1 Example 1: Connect to Leak relay and VFD ==
12 12  
13 13  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:
14 14  
15 -[[image:image-20220527091852-1.png]]
9 +[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="297" width="534"]]
16 16  
17 17  Connection
18 18  
13 +[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %)
19 19  
20 -
21 -[[image:image-20220527091942-2.png]](% style="display:none" %)
22 -
23 23  Connection
24 24  
25 -
26 26  Related documents:
27 27  
28 28  * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
... ... @@ -33,20 +33,17 @@
33 33  
34 34  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 35  
36 -[[image:image-20220527092058-3.png]]
27 +[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]
37 37  
38 38  Connection
39 39  
31 +[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]
40 40  
41 -[[image:image-20220527092146-4.png]]
42 -
43 43  Connection
44 44  
45 45  * [[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
46 46  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
47 47  
48 -== ==
49 -
50 50  == 1.3 Example3: Use RS485-LN with energy meters ==
51 51  
52 52  === 1.3.1 OverView ===
... ... @@ -59,41 +59,28 @@
59 59  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
60 60  )))
61 61  
62 -[[image:image-20220527092419-5.png]]
50 +[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]
63 63  
64 64  Connection1
65 65  
66 -
67 -(((
68 68  How to connect with Energy Meter:
69 -)))
70 70  
71 -(((
72 72  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.
73 -)))
74 74  
75 -(((
76 76  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
77 -)))
78 78  
79 -(((
80 80  Power Source VIN to RS485-LN VIN+
81 -)))
82 82  
83 -(((
84 84  Power Source GND to RS485-LN VIN-
85 -)))
86 86  
87 -(((
88 88  Once there is power, the RS485-LN will be on.
89 -)))
90 90  
91 -[[image:image-20220527092514-6.png]]
66 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
92 92  
93 93  Connection2
94 94  
95 95  
96 -[[image:image-20220527092555-7.png]]
71 +[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="763" width="573"]]
97 97  
98 98  Connection3
99 99  
... ... @@ -102,12 +102,11 @@
102 102  
103 103  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.
104 104  
105 -[[image:image-20220527092629-8.png]]
80 +[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
106 106  
107 -
108 108  (% class="box infomessage" %)
109 109  (((
110 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
84 +Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
111 111  )))
112 112  
113 113  * The first byte : slave address code (=001~247)
... ... @@ -122,7 +122,7 @@
122 122  
123 123  (% class="box infomessage" %)
124 124  (((
125 -**Example:** RETURN1:01 03 02 08 FD 7E 05
99 +Example:RETURN1:01 03 02 08 FD 7E 05
126 126  )))
127 127  
128 128  * The first byte ARD: slave address code (=001~254)
... ... @@ -132,16 +132,10 @@
132 132  * The 6th and 7th bytes: CRC16 checksum
133 133  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
134 134  
135 -(% class="wikigeneratedid" %)
136 -(((
137 -
138 -)))
139 -
140 140  === 1.3.3 How to configure RS485-LN and parse output commands ===
141 141  
142 142  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
143 143  
144 -
145 145  ==== 1.3.3.1 via AT COMMAND: ====
146 146  
147 147  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
... ... @@ -150,14 +150,13 @@
150 150  If the configured parameters and commands are incorrect, the return value is not obtained.
151 151  )))
152 152  
153 -[[image:image-20220527092748-9.png]]
121 +[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
154 154  
155 155  AT COMMAND
156 156  
157 -
158 158  (% class="box infomessage" %)
159 159  (((
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
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
161 161  )))
162 162  
163 163  a: length for the return of AT+COMMAND
... ... @@ -166,23 +166,22 @@
166 166  
167 167  c: define the position for valid value.
168 168  
169 -[[image:image-20220527092936-10.png]]
136 +[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
170 170  
171 171  AT COMMAND
172 172  
173 -
174 174  PAYLOAD is available after the valid value is intercepted.
175 175  
176 176  
177 -[[image:image-20220527093059-11.png]]
143 +[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
178 178  
179 179  AT COMMAND
180 180  
181 -
182 182  You can get configured PAYLOAD on TTN.
183 183  
184 -[[image:image-20220527093133-12.png]]
185 185  
150 +[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
151 +
186 186  (((
187 187  AT COMMAND
188 188  )))
... ... @@ -231,14 +231,14 @@
231 231  Payload:01 00 02 39 85 08 DC 00 00 00 44
232 232  )))
233 233  
234 -[[image:image-20220527093204-13.png]]
200 +[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
235 235  
236 236  AT COMMAND
237 237  
204 +01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
238 238  
239 -(% 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.**
240 240  
241 -[[image:image-20220527093251-14.png]]
207 +[[~[~[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]]
242 242  
243 243  AT COMMAND
244 244  
... ... @@ -245,7 +245,7 @@
245 245  
246 246  ==== 1.3.3.2 via LoRaWAN DOWNLINK ====
247 247  
248 -[[image:image-20220527093358-15.png]]
214 +[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
249 249  
250 250  (((
251 251  DOWNLINK
... ... @@ -256,15 +256,12 @@
256 256  )))
257 257  
258 258  (((
259 -**Type Code 0xAF**
225 +Type Code 0xAF
260 260  )))
261 261  
262 262  (((
263 -(% class="box infomessage" %)
264 -(((
265 265  0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
266 266  )))
267 -)))
268 268  
269 269  (((
270 270  Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
... ... @@ -310,28 +310,27 @@
310 310  AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
311 311  )))
312 312  
313 -[[image:image-20220527093430-16.png]]
276 +[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
314 314  
315 315  DOWNLINK
316 316  
317 317  
318 -[[image:image-20220527093508-17.png]]
281 +[[~[~[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]]
319 319  
320 320  DOWNLINK
321 321  
322 322  
323 -[[image:image-20220527093530-18.png]]
286 +[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
324 324  
325 325  DOWNLINK
326 326  
327 327  
328 -[[image:image-20220527093607-19.png]]
291 +[[~[~[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]]
329 329  
330 330  DOWNLINK
331 331  
295 +[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
332 332  
333 -[[image:image-20220527093628-20.png]]
334 -
335 335  DOWNLINK
336 336  
337 337  
... ... @@ -357,12 +357,12 @@
357 357  check digit: Even
358 358  )))
359 359  
360 -[[image:image-20220527093708-21.png]]
322 +[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]]
361 361  
362 362  USB
363 363  
364 364  
365 -[[image:image-20220527093747-22.png]]
327 +[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]]
366 366  
367 367  USB
368 368  
... ... @@ -376,57 +376,36 @@
376 376  )))
377 377  
378 378  (((
379 - output01 03 04 00 00 00 42 7A 02
341 + output:01 03 04 00 00 00 42 7A 02
380 380  )))
381 381  
382 -[[image:image-20220527093821-23.png]]
344 +[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
383 383  
384 384  USB
385 385  
386 -
387 387  === 1.3.5 How to configure multiple devices and modify device addresses ===
388 388  
389 389  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.
390 390  
391 -(((
392 -(((
393 393  Set the device address according to the parameters in the appendix of the MODBUS communication protocol.
394 -)))
395 -)))
396 396  
397 -[[image:image-20220527093849-24.png]]
354 +[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
398 398  
356 +Example:These two meters are examples of setting parameters and device addresses.
399 399  
400 -**Example**:These two meters are examples of setting parameters and device addresses.
358 +[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]]
401 401  
402 -[[image:image-20220527093950-25.png]]
360 +[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]]
403 403  
404 -[[image:image-20220527094028-26.png]]
405 -
406 -(((
407 -(((
408 408  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.
409 -)))
410 -)))
411 411  
412 -(((
413 -(((
414 414  We can use AT+CFGDEV to set the device address.
415 -)))
416 -)))
417 417  
418 -(((
419 -(((
420 420  We modify the device address 01 of the first energy meter to 02.
421 -)))
422 -)))
423 423  
424 -[[image:image-20220527094100-27.png]]
368 +[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
425 425  
426 -(% class="box infomessage" %)
427 -(((
428 -**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
429 -)))
370 +AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
430 430  
431 431  * 01:device adaress
432 432  
... ... @@ -448,11 +448,10 @@
448 448  
449 449  Its default device address is 01, and the following are the parameters for configuring two energy meters.
450 450  
451 -[[image:image-20220527094150-28.png]]
392 +[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
452 452  
394 +[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
453 453  
454 -[[image:image-20220527094224-29.png]]
455 -
456 456  PAYLOAD:01 08 DF 43 62
457 457  
458 458  * 08 DF is the valid value of the meter with device address 02.
... ... @@ -462,7 +462,7 @@
462 462  
463 463  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:
464 464  
465 -[[image:image-20220527094330-30.png]]
405 +[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
466 466  
467 467  Connection
468 468  
... ... @@ -484,7 +484,7 @@
484 484  
485 485  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
486 486  
487 -[[image:image-20220527094556-31.png]]
427 +[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
488 488  
489 489  Network Structure
490 490  
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