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Last modified by Karry Zhuang on 2024/07/11 11:58
From version 57.10
edited by Xiaoling
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To version 1.7
edited by Xiaoling
on 2022/05/12 09:54
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Summary

Details

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Content
... ... @@ -1,36 +1,19 @@
1 -(% class="wikigeneratedid" %)
2 -*
3 -** Table of** **Contents:
1 += 1. Introduction =
4 4  
5 -{{toc/}}
6 -
7 -
8 -
9 -
10 -
11 -
12 -= **1. Introduction** =
13 -
14 -
15 15  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
16 16  
5 +== 1.1 Example 1: Connect to Leak relay and VFD ==
17 17  
18 -== **1.1 Example 1: Connect to Leak relay and VFD** ==
19 -
20 -
21 21  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:
22 22  
23 -[[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"]]
24 24  
25 25  Connection
26 26  
13 +[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %)
27 27  
28 -
29 -[[image:image-20220527091942-2.png]](% style="display:none" %)
30 -
31 31  Connection
32 32  
33 -
34 34  Related documents:
35 35  
36 36  * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
... ... @@ -37,33 +37,29 @@
37 37  * [[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.
38 38  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
39 39  
40 -== **1.2 Example 2: Connect to Pulse Counter** ==
41 41  
24 +== 1.2 Example 2: Connect to Pulse Counter ==
42 42  
43 43  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:
44 44  
28 +[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]
45 45  
46 -[[image:image-20220527092058-3.png]]
47 -
48 48  Connection
49 49  
32 +[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]
50 50  
51 -
52 -[[image:image-20220527092146-4.png]]
53 -
54 54  Connection
55 55  
56 -
57 -* 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/]]
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
58 58  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
59 59  
60 -== **1.3 Example3: Use RS485-LN with energy meters** ==
61 61  
62 -=== **1.3.1 OverView** ===
40 +== 1.3 Example3: Use RS485-LN with energy meters ==
63 63  
42 +=== 1.3.1 OverView ===
64 64  
65 65  (((
66 -(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
45 +**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
67 67  )))
68 68  
69 69  (((
... ... @@ -70,59 +70,39 @@
70 70  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
71 71  )))
72 72  
73 -[[image:image-20220527092419-5.png]]
52 +[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="800" width="600"]]
74 74  
75 75  Connection1
76 76  
56 +How to connect with Energy Meter：
77 77  
78 -
79 -(((
80 -**How to connect with Energy Meter：**
81 -
82 -
83 -)))
84 -
85 -(((
86 86  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.
87 -)))
88 88  
89 -(((
90 90  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
91 -)))
92 92  
93 -(((
94 94  Power Source VIN to RS485-LN VIN+
95 -)))
96 96  
97 -(((
98 98  Power Source GND to RS485-LN VIN-
99 -)))
100 100  
101 -(((
102 102  Once there is power, the RS485-LN will be on.
103 -)))
104 104  
105 -[[image:image-20220527092514-6.png]]
68 +[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="450" width="600"]]
106 106  
107 107  Connection2
108 108  
72 +[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="800" width="600"]]
109 109  
110 -
111 -[[image:image-20220527092555-7.png]]
112 -
113 113  Connection3
114 114  
115 115  
116 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
77 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
117 117  
118 -
119 119  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.
120 120  
121 -[[image:image-20220601143257-10.png]]
81 +[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
122 122  
83 +Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
123 123  
124 -(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
125 -
126 126  * The first byte : slave address code (=001～247)
127 127  * The second byte : read register value function code
128 128  * 3rd and 4th bytes: start address of register to be read
... ... @@ -129,14 +129,9 @@
129 129  * 5th and 6th bytes: Number of registers to read
130 130  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
131 131  
132 -(((
133 -
134 -
135 -
136 136  How to parse the reading of the return command of the parameter：
137 137  
138 -(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
139 -)))
93 +Example:RETURN1：01 03 02 08 FD 7E 05
140 140  
141 141  * The first byte ARD: slave address code (=001～254)
142 142  * The second byte: Return to read function code
... ... @@ -145,325 +145,182 @@
145 145  * The 6th and 7th bytes: CRC16 checksum
146 146  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
147 147  
148 -(% class="wikigeneratedid" %)
149 -(((
150 -
151 151  
103 +=== 1.3.3 How to configure RS485-LN and parse output commands ===
152 152  
153 -
154 -)))
155 -
156 -=== **1.3.3 How to configure RS485-LN and parse output commands** ===
157 -
158 -
159 159  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
160 160  
107 +==== via AT COMMAND: ====
161 161  
162 -==== **1.3.3.1 via AT COMMAND** ====
109 +First, we can use AT+CFGDEV to get the return value, and we can also judge whether the input parameters are correct.
163 163  
164 -
165 -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.
166 -
167 -(((
168 168  If the configured parameters and commands are incorrect, the return value is not obtained.
169 -)))
170 170  
171 -[[image:image-20220601143201-9.png]]
113 +[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
172 172  
173 173  AT COMMAND
174 174  
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
175 175  
176 -(% class="box infomessage" %)
177 -(((
178 - **AT+DATACUTx **:  This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
179 -)))
119 +a: length for the return of AT+COMMAND
180 180  
181 -a:  length for the return of AT+COMMAND
121 +b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
182 182  
183 -b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
123 +c: define the position for valid value.
184 184  
185 -c:  define the position for valid value.
125 +[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
186 186  
187 -[[image:image-20220601143115-8.png]]
188 -
189 189  AT COMMAND
190 190  
191 -
192 -
193 193  PAYLOAD is available after the valid value is intercepted.
194 194  
131 +[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
195 195  
196 -[[image:image-20220601143046-7.png]]
197 -
198 198  AT COMMAND
199 199  
200 -
201 -
202 202  You can get configured PAYLOAD on TTN.
203 203  
204 -[[image:image-20220601143519-1.png]]
137 +[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
205 205  
206 -(((
207 207  AT COMMAND
208 -)))
209 209  
210 -(((
211 -
212 -)))
141 +Example: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
213 213  
214 -(((
215 -(% style="color:blue" %)**Example**:
143 +RETURN1:01 03 02 00 02 39 85 00 00(return data)
216 216  
217 -CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
218 -)))
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.
219 219  
220 -(((
221 -RETURN1: 01 03 02 00 02 39 85 00 00(return data)
222 -)))
147 +CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
223 223  
224 -(((
225 -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.
149 +RETURN2:01 03 02 08 DC BE 1D(return data)
226 226  
227 -
228 -)))
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.
229 229  
230 -(((
231 -CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
232 -)))
153 +CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
233 233  
234 -(((
235 -RETURN2: 01 03 02 08 DC BE 1D(return data)
236 -)))
155 +RETURN3:01 03 04 00 00 00 44 FA 00(return data)
237 237  
238 -(((
239 -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.
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.
240 240  
241 -
242 -)))
159 +Payload:01 00 02 39 85 08 DC 00 00 00 44
243 243  
244 -(((
245 -CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
246 -)))
161 +[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
247 247  
248 -(((
249 -RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
250 -)))
251 -
252 -(((
253 -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.
254 -)))
255 -
256 -(((
257 -Payload: 01 00 02 39 85 08 DC 00 00 00 44
258 -)))
259 -
260 -[[image:image-20220601142936-6.png]]
261 -
262 262  AT COMMAND
263 263  
165 +01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
264 264  
265 -(% 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.**
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]]
266 266  
267 -
268 -[[image:image-20220601143642-2.png]]
269 -
270 270  AT COMMAND
271 271  
171 +==== 1.3.3.1 via LoRaWAN DOWNLINK ====
272 272  
273 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
173 +[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
274 274  
275 -
276 -[[image:image-20220527093358-15.png]]
277 -
278 -(((
279 279  DOWNLINK
280 -)))
281 281  
282 -(((
283 -
284 -)))
177 +Type Code 0xAF
285 285  
286 -(((
287 -(% style="color:#4f81bd" %)**Type Code 0xAF**
288 -)))
289 -
290 -(((
291 -(% class="box infomessage" %)
292 -(((
293 293  0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
294 -)))
295 -)))
296 296  
297 -(((
298 298  Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
299 -)))
300 300  
301 -(((
302 302  Format: AF MM NN LL XX XX XX XX YY
303 -)))
304 304  
305 -(((
306 306  Where:
307 -)))
308 308  
309 -(((
310 310  MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
311 -)))
312 312  
313 -(((
314 314  NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
315 -)))
316 316  
317 -(((
318 318  LL: The length of AT+COMMAND or AT+DATACUT command
319 -)))
320 320  
321 -(((
322 322  XX XX XX XX: AT+COMMAND or AT+DATACUT command
323 -)))
324 324  
325 -(((
326 326  YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN
327 -)))
328 328  
329 -(((
330 330  will execute an uplink after got this command.
331 -)))
332 332  
333 -(((
334 -
199 +Example:
335 335  
336 -(% style="color:#4f81bd" %)**Example:**
337 -)))
201 +AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
338 338  
339 -(((
340 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
341 -)))
203 +[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
342 342  
343 -[[image:image-20220601144149-6.png]]
344 -
345 345  DOWNLINK
346 346  
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]]
347 347  
348 -
349 -[[image:image-20220601143803-3.png]]
350 -
351 351  DOWNLINK
352 352  
211 +[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
353 353  
354 -
355 -[[image:image-20220601144053-5.png]]
356 -
357 357  DOWNLINK
358 358  
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]]
359 359  
360 -
361 -[[image:image-20220601143921-4.png]]
362 -
363 363  DOWNLINK
364 364  
219 +[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
365 365  
366 -
367 -[[image:image-20220601142805-5.png]]
368 -
369 369  DOWNLINK
370 370  
371 371  
372 -=== **1.3.4 How to configure and output commands for RS485 to USB** ===
224 +=== 1.3.4 How to configure and output commands for RS485 to USB ===
373 373  
374 -(((
375 375  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.
376 -)))
377 377  
378 -(((
379 379  First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter.
380 -)))
381 381  
382 -(((
383 383  Open the serial port debugging, set the send and receive to HEX.
384 -)))
385 385  
386 -(((
387 387  Baud rate: 9600
388 -)))
389 389  
390 -(((
391 391  check digit: Even
392 -)))
393 393  
394 -[[image:image-20220527093708-21.png]]
236 +[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]]
395 395  
396 396  USB
397 397  
240 +[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]]
398 398  
399 -
400 -[[image:image-20220527093747-22.png]]
401 -
402 402  USB
403 403  
404 -
405 -
406 -(((
407 407  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.
408 -)))
409 409  
410 -(((
411 -(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
412 -)))
246 +Example:input：01 03 00 31 00 02 95 c4
413 413  
414 -(((
415 - output：01 03 04 00 00 00 42 7A 02
416 -)))
248 +{{{ output:01 03 04 00 00 00 42 7A 02
249 +}}}
417 417  
418 -[[image:image-20220527093821-23.png]]
251 +[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
419 419  
420 420  USB
421 421  
255 +=== 1.3.5 How to configure multiple devices and modify device addresses ===
422 422  
423 -=== **1.3.5 How to configure multiple devices and modify device addresses** ===
424 -
425 425  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.
426 426  
427 -(((
428 -(((
429 429  Set the device address according to the parameters in the appendix of the MODBUS communication protocol.
430 -)))
431 -)))
432 432  
433 -[[image:image-20220601142044-1.png]]
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"]]
434 434  
263 +Example:These two meters are examples of setting parameters and device addresses.
435 435  
436 -**Example**:These two meters are examples of setting parameters and device addresses.
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"]]
437 437  
438 -[[image:image-20220527093950-25.png]]
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"]]
439 439  
440 -
441 -[[image:image-20220527094028-26.png]]
442 -
443 -(((
444 -(((
445 445  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.
446 -)))
447 -)))
448 448  
449 -(((
450 -(((
451 451  We can use AT+CFGDEV to set the device address.
452 -)))
453 -)))
454 454  
455 -(((
456 -(((
457 457  We modify the device address 01 of the first energy meter to 02.
458 -)))
459 -)))
460 460  
461 -[[image:image-20220601142354-2.png]]
275 +[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
462 462  
463 -(% class="box infomessage" %)
464 -(((
465 -**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
466 -)))
277 +AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
467 467  
468 468  * 01:device adaress
469 469  
... ... @@ -485,26 +485,27 @@
485 485  
486 486  Its default device address is 01, and the following are the parameters for configuring two energy meters.
487 487  
488 -[[image:image-20220601142452-3.png]]
299 +[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
489 489  
301 +[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
490 490  
491 -[[image:image-20220601142607-4.png]]
303 +PAYLOAD:01 08 DF 43 62
492 492  
493 -**PAYLOAD:01 08 DF 43 62**
494 -
495 495  * 08 DF is the valid value of the meter with device address 02.
496 496  * 43 62 is the valid value of the meter with device address 01.
497 497  
308 +
498 498  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
499 499  
500 500  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:
501 501  
502 -[[image:image-20220527094330-30.png]]
313 +[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
503 503  
504 504  Connection
505 505  
506 506  * [[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
507 507  
319 +
508 508  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
509 509  
510 510  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:
... ... @@ -513,6 +513,7 @@
513 513  
514 514  * [[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
515 515  
328 +
516 516  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
517 517  
518 518  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:
... ... @@ -519,9 +519,10 @@
519 519  
520 520  * [[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
521 521  
335 +
522 522  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
523 523  
524 -[[image:image-20220527094556-31.png]]
338 +[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
525 525  
526 526  Network Structure
527 527  
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