<
From version < 1.18 >
edited by Xiaoling
on 2022/05/12 10:26
To version < 38.2 >
edited by Xiaoling
on 2022/05/27 09:47
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Summary

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... ... @@ -1,20 +1,28 @@
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 ===
... ... @@ -49,28 +49,41 @@
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 +
67 +(((
56 56  How to connect with Energy Meter:
69 +)))
57 57  
71 +(((
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.
73 +)))
59 59  
75 +(((
60 60  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
77 +)))
61 61  
79 +(((
62 62  Power Source VIN to RS485-LN VIN+
81 +)))
63 63  
83 +(((
64 64  Power Source GND to RS485-LN VIN-
85 +)))
65 65  
87 +(((
66 66  Once there is power, the RS485-LN will be on.
89 +)))
67 67  
68 -[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
91 +[[image:image-20220527092514-6.png]]
69 69  
70 70  Connection2
71 71  
72 72  
73 -[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
96 +[[image:image-20220527092555-7.png]]
74 74  
75 75  Connection3
76 76  
... ... @@ -79,11 +79,12 @@
79 79  
80 80  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.
81 81  
82 -[[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]]
83 83  
107 +
84 84  (% class="box infomessage" %)
85 85  (((
86 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
110 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
87 87  )))
88 88  
89 89  * The first byte : slave address code (=001~247)
... ... @@ -98,7 +98,7 @@
98 98  
99 99  (% class="box infomessage" %)
100 100  (((
101 -Example:RETURN1:01 03 02 08 FD 7E 05
125 +**Example:** RETURN1:01 03 02 08 FD 7E 05
102 102  )))
103 103  
104 104  * The first byte ARD: slave address code (=001~254)
... ... @@ -108,10 +108,16 @@
108 108  * The 6th and 7th bytes: CRC16 checksum
109 109  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
110 110  
135 +(% class="wikigeneratedid" %)
136 +(((
137 +
138 +)))
139 +
111 111  === 1.3.3 How to configure RS485-LN and parse output commands ===
112 112  
113 113  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
114 114  
144 +
115 115  ==== 1.3.3.1 via AT COMMAND: ====
116 116  
117 117  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
... ... @@ -120,13 +120,14 @@
120 120  If the configured parameters and commands are incorrect, the return value is not obtained.
121 121  )))
122 122  
123 -[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
153 +[[image:image-20220527092748-9.png]]
124 124  
125 125  AT COMMAND
126 126  
157 +
127 127  (% class="box infomessage" %)
128 128  (((
129 -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
130 130  )))
131 131  
132 132  a: length for the return of AT+COMMAND
... ... @@ -135,22 +135,23 @@
135 135  
136 136  c: define the position for valid value.
137 137  
138 -[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
169 +[[image:image-20220527092936-10.png]]
139 139  
140 140  AT COMMAND
141 141  
173 +
142 142  PAYLOAD is available after the valid value is intercepted.
143 143  
144 144  
145 -[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
177 +[[image:image-20220527093059-11.png]]
146 146  
147 147  AT COMMAND
148 148  
181 +
149 149  You can get configured PAYLOAD on TTN.
150 150  
184 +[[image:image-20220527093133-12.png]]
151 151  
152 -[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
153 -
154 154  (((
155 155  AT COMMAND
156 156  )))
... ... @@ -199,14 +199,14 @@
199 199  Payload:01 00 02 39 85 08 DC 00 00 00 44
200 200  )))
201 201  
202 -[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
234 +[[image:image-20220527093204-13.png]]
203 203  
204 204  AT COMMAND
205 205  
206 -01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
207 207  
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.**
208 208  
209 -[[~[~[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]]
241 +[[image:image-20220527093251-14.png]]
210 210  
211 211  AT COMMAND
212 212  
... ... @@ -213,7 +213,7 @@
213 213  
214 214  ==== 1.3.3.2 via LoRaWAN DOWNLINK ====
215 215  
216 -[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
248 +[[image:image-20220527093358-15.png]]
217 217  
218 218  (((
219 219  DOWNLINK
... ... @@ -224,12 +224,15 @@
224 224  )))
225 225  
226 226  (((
227 -Type Code 0xAF
259 +**Type Code 0xAF**
228 228  )))
229 229  
230 230  (((
263 +(% class="box infomessage" %)
264 +(((
231 231  0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
232 232  )))
267 +)))
233 233  
234 234  (((
235 235  Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
... ... @@ -275,27 +275,27 @@
275 275  AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
276 276  )))
277 277  
278 -[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
313 +[[image:image-20220527093430-16.png]]
279 279  
280 280  DOWNLINK
281 281  
282 282  
283 -[[~[~[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]]
318 +[[image:image-20220527093508-17.png]]
284 284  
285 285  DOWNLINK
286 286  
287 287  
288 -[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
323 +[[image:image-20220527093530-18.png]]
289 289  
290 290  DOWNLINK
291 291  
292 292  
293 -[[~[~[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]]
328 +[[image:image-20220527093607-19.png]]
294 294  
295 295  DOWNLINK
296 296  
297 297  
298 -[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
333 +[[image:image-20220527093628-20.png]]
299 299  
300 300  DOWNLINK
301 301  
... ... @@ -322,12 +322,12 @@
322 322  check digit: Even
323 323  )))
324 324  
325 -[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
360 +[[image:image-20220527093708-21.png]]
326 326  
327 327  USB
328 328  
329 329  
330 -[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
365 +[[image:image-20220527093747-22.png]]
331 331  
332 332  USB
333 333  
... ... @@ -341,13 +341,14 @@
341 341  )))
342 342  
343 343  (((
344 - output:01 03 04 00 00 00 42 7A 02
379 + output01 03 04 00 00 00 42 7A 02
345 345  )))
346 346  
347 -[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
382 +[[image:image-20220527093821-23.png]]
348 348  
349 349  USB
350 350  
386 +
351 351  === 1.3.5 How to configure multiple devices and modify device addresses ===
352 352  
353 353  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.
... ... @@ -358,13 +358,14 @@
358 358  )))
359 359  )))
360 360  
361 -[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
397 +[[image:image-20220527093849-24.png]]
362 362  
399 +
363 363  **Example**:These two meters are examples of setting parameters and device addresses.
364 364  
365 -[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
402 +[[image:image-20220527093950-25.png]]
366 366  
367 -[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
404 +[[image:image-20220527094028-26.png]]
368 368  
369 369  (((
370 370  (((
... ... @@ -384,9 +384,12 @@
384 384  )))
385 385  )))
386 386  
387 -[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
424 +[[image:image-20220527094100-27.png]]
388 388  
389 -AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
426 +(% class="box infomessage" %)
427 +(((
428 +**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
429 +)))
390 390  
391 391  * 01:device adaress
392 392  
... ... @@ -408,10 +408,11 @@
408 408  
409 409  Its default device address is 01, and the following are the parameters for configuring two energy meters.
410 410  
411 -[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
451 +[[image:image-20220527094150-28.png]]
412 412  
413 -[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
414 414  
454 +[[image:image-20220527094224-29.png]]
455 +
415 415  PAYLOAD:01 08 DF 43 62
416 416  
417 417  * 08 DF is the valid value of the meter with device address 02.
... ... @@ -421,7 +421,7 @@
421 421  
422 422  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:
423 423  
424 -[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
465 +[[image:image-20220527094330-30.png]]
425 425  
426 426  Connection
427 427  
... ... @@ -443,7 +443,7 @@
443 443  
444 444  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
445 445  
446 -[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
487 +[[image:image-20220527094556-31.png]]
447 447  
448 448  Network Structure
449 449  
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