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Summary

Details

Page properties
Content
... ... @@ -1,20 +1,34 @@
1 -= 1. Introduction =
1 +**Table of Contents:**
2 2  
3 +{{toc/}}
4 +
5 +
6 +
7 +
8 +
9 +
10 += **1. Introduction** =
11 +
12 +
3 3  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
4 4  
5 -== 1.1 Example 1: Connect to Leak relay and VFD ==
6 6  
16 +== **1.1 Example 1: Connect to Leak relay and VFD** ==
17 +
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"]]
21 +[[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  
27 +[[image:image-20220527091942-2.png]](% style="display:none" %)
28 +
16 16  Connection
17 17  
31 +
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
... ... @@ -21,28 +21,33 @@
21 21  * [[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.
22 22  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
23 23  
24 -== 1.2 Example 2: Connect to Pulse Counter ==
38 +== **1.2 Example 2: Connect to Pulse Counter** ==
25 25  
40 +
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  
44 +[[image:image-20220527092058-3.png]]
45 +
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"]]
34 34  
50 +[[image:image-20220527092146-4.png]]
51 +
35 35  Connection
36 36  
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
54 +
55 +* 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/]]
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  
40 -== 1.3 Example3: Use RS485-LN with energy meters ==
58 +== **1.3 Example3: Use RS485-LN with energy meters** ==
41 41  
42 -=== 1.3.1 OverView ===
60 +=== **1.3.1 OverView** ===
43 43  
62 +
44 44  (((
45 -**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
64 +(% 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  (((
... ... @@ -49,12 +49,16 @@
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"]]
71 +[[image:image-20220527092419-5.png]]
53 53  
54 54  Connection1
55 55  
75 +
76 +
56 56  (((
57 -How to connect with Energy Meter：
78 +**How to connect with Energy Meter：**
79 +
80 +
58 58  )))
59 59  
60 60  (((
... ... @@ -77,27 +77,27 @@
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"]]
103 +[[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"]]
86 86  
109 +[[image:image-20220527092555-7.png]]
110 +
87 87  Connection3
88 88  
89 89  
90 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
114 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
91 91  
116 +
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"]]
119 +[[image:image-20220601143257-10.png]]
95 95  
96 -(% class="box infomessage" %)
97 -(((
98 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
99 -)))
100 100  
122 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
123 +
101 101  * The first byte : slave address code (=001～247)
102 102  * The second byte : read register value function code
103 103  * 3rd and 4th bytes: start address of register to be read
... ... @@ -105,12 +105,12 @@
105 105  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
106 106  
107 107  (((
131 +
132 +
133 +
108 108  How to parse the reading of the return command of the parameter：
109 -)))
110 110  
111 -(% class="box infomessage" %)
112 -(((
113 -Example:RETURN1：01 03 02 08 FD 7E 05
136 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
114 114  )))
115 115  
116 116  * The first byte ARD: slave address code (=001～254)
... ... @@ -120,49 +120,64 @@
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  
123 -=== 1.3.3 How to configure RS485-LN and parse output commands ===
146 +(% class="wikigeneratedid" %)
147 +(((
148 +
124 124  
150 +
151 +
152 +)))
153 +
154 +=== **1.3.3 How to configure RS485-LN and parse output commands** ===
155 +
156 +
125 125  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
126 126  
127 -==== 1.3.3.1 via AT COMMAND: ====
128 128  
129 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
160 +==== **1.3.3.1 via AT COMMAND** ====
130 130  
162 +
163 +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.
164 +
131 131  (((
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"]]
169 +[[image:image-20220601143201-9.png]]
136 136  
137 137  AT COMMAND
138 138  
173 +
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
176 + **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 -a: length for the return of AT+COMMAND
179 +a:  length for the return of AT+COMMAND
145 145  
146 -b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
181 +b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
147 147  
148 -c: define the position for valid value.
183 +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"]]
185 +[[image:image-20220601143115-8.png]]
151 151  
152 152  AT COMMAND
153 153  
189 +
190 +
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"]]
194 +[[image:image-20220601143046-7.png]]
158 158  
159 159  AT COMMAND
160 160  
161 -You can get configured PAYLOAD on TTN.
162 162  
163 163  
164 -[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
200 +You can get configured PAYLOAD on TTN.
165 165  
202 +[[image:image-20220601143519-1.png]]
203 +
166 166  (((
167 167  AT COMMAND
168 168  )))
... ... @@ -172,61 +172,69 @@
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
213 +(% style="color:blue" %)**Example**:
214 +
215 +CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
176 176  )))
177 177  
178 178  (((
179 -RETURN1:01 03 02 00 02 39 85 00 00(return data)
219 +RETURN1: 01 03 02 00 02 39 85 00 00(return data)
180 180  )))
181 181  
182 182  (((
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.
223 +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.
224 +
225 +
184 184  )))
185 185  
186 186  (((
187 -CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
229 +CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
188 188  )))
189 189  
190 190  (((
191 -RETURN2:01 03 02 08 DC BE 1D(return data)
233 +RETURN2: 01 03 02 08 DC BE 1D(return data)
192 192  )))
193 193  
194 194  (((
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.
237 +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.
238 +
239 +
196 196  )))
197 197  
198 198  (((
199 -CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
243 +CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
200 200  )))
201 201  
202 202  (((
203 -RETURN3:01 03 04 00 00 00 44 FA 00(return data)
247 +RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
204 204  )))
205 205  
206 206  (((
207 -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 +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.
208 208  )))
209 209  
210 210  (((
211 -Payload:01 00 02 39 85 08 DC 00 00 00 44
255 +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"]]
258 +[[image:image-20220601142936-6.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  
263 +(% 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]]
222 222  
266 +[[image:image-20220601143642-2.png]]
267 +
223 223  AT COMMAND
224 224  
225 225  
226 -==== 1.3.3.2 via LoRaWAN DOWNLINK ====
271 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
227 227  
228 -[[image:image-20220512104358-3.png]]
229 229  
274 +[[image:image-20220527093358-15.png]]
275 +
230 230  (((
231 231  DOWNLINK
232 232  )))
... ... @@ -236,7 +236,7 @@
236 236  )))
237 237  
238 238  (((
239 -**Type Code 0xAF**
285 +(% style="color:#4f81bd" %)**Type Code 0xAF**
240 240  )))
241 241  
242 242  (((
... ... @@ -247,7 +247,7 @@
247 247  )))
248 248  
249 249  (((
250 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
296 +(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
251 251  )))
252 252  
253 253  (((
... ... @@ -283,39 +283,45 @@
283 283  )))
284 284  
285 285  (((
286 -Example:
332 +
333 +
334 +(% style="color:blue" %)**Example:**
287 287  )))
288 288  
289 289  (((
290 -AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
338 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
291 291  )))
292 292  
293 -[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
341 +[[image:image-20220601144149-6.png]]
294 294  
295 295  DOWNLINK
296 296  
297 297  
298 -[[~[~[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]]
299 299  
347 +[[image:image-20220601143803-3.png]]
348 +
300 300  DOWNLINK
301 301  
302 302  
303 -[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
304 304  
353 +[[image:image-20220601144053-5.png]]
354 +
305 305  DOWNLINK
306 306  
307 307  
308 -[[~[~[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]]
309 309  
359 +[[image:image-20220601143921-4.png]]
360 +
310 310  DOWNLINK
311 311  
312 312  
313 -[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
314 314  
365 +[[image:image-20220601142805-5.png]]
366 +
315 315  DOWNLINK
316 316  
317 317  
318 -=== 1.3.4 How to configure and output commands for RS485 to USB ===
370 +=== **1.3.4 How to configure and output commands for RS485 to USB** ===
319 319  
320 320  (((
321 321  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.
... ... @@ -335,36 +335,46 @@
335 335  
336 336  (((
337 337  check digit: Even
390 +
391 +
338 338  )))
339 339  
340 -[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
394 +[[image:image-20220527093708-21.png]]
341 341  
342 342  USB
343 343  
344 344  
345 -[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
346 346  
400 +[[image:image-20220527093747-22.png]]
401 +
347 347  USB
348 348  
349 349  
405 +
350 350  (((
351 351  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 +
352 352  )))
353 353  
354 354  (((
355 -**Example:**  input：01 03 00 31 00 02 95 c4
413 +(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
356 356  )))
357 357  
358 358  (((
359 359   output：01 03 04 00 00 00 42 7A 02
418 +
419 +
360 360  )))
361 361  
362 -[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
422 +[[image:image-20220527093821-23.png]]
363 363  
364 364  USB
365 365  
366 -=== 1.3.5 How to configure multiple devices and modify device addresses ===
367 367  
427 +=== **1.3.5 How to configure multiple devices and modify device addresses** ===
428 +
429 +
368 368  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.
369 369  
370 370  (((
... ... @@ -373,14 +373,17 @@
373 373  )))
374 374  )))
375 375  
376 -[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
438 +[[image:image-20220601142044-1.png]]
377 377  
378 -**Example**:These two meters are examples of setting parameters and device addresses.
379 379  
380 -[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
441 +(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
381 381  
382 -[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
443 +[[image:image-20220527093950-25.png]]
383 383  
445 +
446 +[[image:image-20220527094028-26.png]]
447 +
448 +
384 384  (((
385 385  (((
386 386  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.
... ... @@ -389,7 +389,7 @@
389 389  
390 390  (((
391 391  (((
392 -We can use AT+CFGDEV to set the device address.
457 +We can use **AT+CFGDEV** to set the device address.
393 393  )))
394 394  )))
395 395  
... ... @@ -399,10 +399,14 @@
399 399  )))
400 400  )))
401 401  
402 -[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
467 +[[image:image-20220601142354-2.png]]
403 403  
404 -AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
405 405  
470 +(% class="box infomessage" %)
471 +(((
472 +**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
473 +)))
474 +
406 406  * 01:device adaress
407 407  
408 408  * 10:function code
... ... @@ -423,43 +423,64 @@
423 423  
424 424  Its default device address is 01, and the following are the parameters for configuring two energy meters.
425 425  
426 -[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
495 +[[image:image-20220601142452-3.png]]
427 427  
428 -[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
429 429  
430 -PAYLOAD:01 08 DF 43 62
498 +[[image:image-20220601142607-4.png]]
431 431  
500 +
501 +**PAYLOAD:01 08 DF 43 62**
502 +
432 432  * 08 DF is the valid value of the meter with device address 02.
433 433  * 43 62 is the valid value of the meter with device address 01.
434 434  
506 +
507 +
508 +
435 435  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
436 436  
437 -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:
438 438  
439 -[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
512 +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.
440 440  
514 +The structure is like below:
515 +
516 +[[image:image-20220527094330-30.png]]
517 +
441 441  Connection
442 442  
443 -* [[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
444 444  
521 +* 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/]]
522 +
523 +
524 +
525 +
445 445  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
446 446  
528 +
447 447  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:
448 448  
449 -* [[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
531 +* 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||style="background-color: rgb(255, 255, 255);"]]
532 +* 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]]
450 450  
451 -* [[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
452 452  
453 -== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
454 454  
536 +
537 +== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
538 +
539 +
455 455  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:
456 456  
457 -* [[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
542 +* 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||style="background-color: rgb(255, 255, 255);"]]
458 458  
459 -== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
460 460  
461 -[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
462 462  
546 +
547 +== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
548 +
549 +
550 +[[image:image-20220527094556-31.png]]
551 +
463 463  Network Structure
464 464  
554 +
465 465  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
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