Last modified by Karry Zhuang on 2024/07/11 11:58
<
From version < 20.1 >
edited by Xiaoling
on 2022/05/27 09:32
To version < 57.14 >
edited by Xiaoling
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Content
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1 -(% class="wikigeneratedid" %)
2 - **Contents:**
1 +**Table of Contents:**
3 3  
4 4  {{toc/}}
5 5  
6 -= 1. Introduction =
7 7  
6 +
7 +
8 +
9 +
10 += **1. Introduction** =
11 +
12 +
8 8  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
9 9  
10 -== 1.1 Example 1: Connect to Leak relay and VFD ==
11 11  
16 +== **1.1 Example 1: Connect to Leak relay and VFD** ==
17 +
18 +
12 12  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:
13 13  
14 14  [[image:image-20220527091852-1.png]]
... ... @@ -28,32 +28,33 @@
28 28  * [[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.
29 29  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
30 30  
38 +== **1.2 Example 2: Connect to Pulse Counter** ==
31 31  
32 -== 1.2 Example 2: Connect to Pulse Counter ==
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  
43 +
36 36  [[image:image-20220527092058-3.png]]
37 37  
38 38  Connection
39 39  
40 40  
49 +
41 41  [[image:image-20220527092146-4.png]]
42 42  
43 43  Connection
44 44  
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
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/]]
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 -(% class="wikigeneratedid" %)
49 -== ==
58 +== **1.3 Example3: Use RS485-LN with energy meters** ==
50 50  
51 -== 1.3 Example3: Use RS485-LN with energy meters ==
60 +=== **1.3.1 OverView** ===
52 52  
53 -=== 1.3.1 OverView ===
54 54  
55 55  (((
56 -**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.
57 57  )))
58 58  
59 59  (((
... ... @@ -65,8 +65,11 @@
65 65  Connection1
66 66  
67 67  
76 +
68 68  (((
69 -How to connect with Energy Meter：
78 +**How to connect with Energy Meter：**
79 +
80 +
70 70  )))
71 71  
72 72  (((
... ... @@ -95,20 +95,21 @@
95 95  
96 96  
97 97  
109 +[[image:image-20220527092555-7.png]]
110 +
98 98  Connection3
99 99  
100 100  
101 -=== 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** ===
102 102  
116 +
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: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]]
106 106  
107 -(% class="box infomessage" %)
108 -(((
109 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
110 -)))
111 111  
122 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
123 +
112 112  * The first byte : slave address code (=001～247)
113 113  * The second byte : read register value function code
114 114  * 3rd and 4th bytes: start address of register to be read
... ... @@ -116,12 +116,12 @@
116 116  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
117 117  
118 118  (((
131 +
132 +
133 +
119 119  How to parse the reading of the return command of the parameter：
120 -)))
121 121  
122 -(% class="box infomessage" %)
123 -(((
124 -Example:RETURN1：01 03 02 08 FD 7E 05
136 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
125 125  )))
126 126  
127 127  * The first byte ARD: slave address code (=001～254)
... ... @@ -131,49 +131,64 @@
131 131  * The 6th and 7th bytes: CRC16 checksum
132 132  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
133 133  
134 -=== 1.3.3 How to configure RS485-LN and parse output commands ===
146 +(% class="wikigeneratedid" %)
147 +(((
148 +
135 135  
150 +
151 +
152 +)))
153 +
154 +=== **1.3.3 How to configure RS485-LN and parse output commands** ===
155 +
156 +
136 136  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
137 137  
138 -==== 1.3.3.1 via AT COMMAND: ====
139 139  
140 -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** ====
141 141  
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 +
142 142  (((
143 143  If the configured parameters and commands are incorrect, the return value is not obtained.
144 144  )))
145 145  
146 -[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
169 +[[image:image-20220601143201-9.png]]
147 147  
148 148  AT COMMAND
149 149  
173 +
150 150  (% class="box infomessage" %)
151 151  (((
152 - 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
153 153  )))
154 154  
155 -a: length for the return of AT+COMMAND
179 +a:  length for the return of AT+COMMAND
156 156  
157 -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.
158 158  
159 -c: define the position for valid value.
183 +c:  define the position for valid value.
160 160  
161 -[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
185 +[[image:image-20220601143115-8.png]]
162 162  
163 163  AT COMMAND
164 164  
189 +
190 +
165 165  PAYLOAD is available after the valid value is intercepted.
166 166  
167 167  
168 -[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
194 +[[image:image-20220601143046-7.png]]
169 169  
170 170  AT COMMAND
171 171  
172 -You can get configured PAYLOAD on TTN.
173 173  
174 174  
175 -[[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.
176 176  
202 +[[image:image-20220601143519-1.png]]
203 +
177 177  (((
178 178  AT COMMAND
179 179  )))
... ... @@ -183,61 +183,69 @@
183 183  )))
184 184  
185 185  (((
186 -**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
187 187  )))
188 188  
189 189  (((
190 -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)
191 191  )))
192 192  
193 193  (((
194 -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 +
195 195  )))
196 196  
197 197  (((
198 -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
199 199  )))
200 200  
201 201  (((
202 -RETURN2:01 03 02 08 DC BE 1D(return data)
233 +RETURN2: 01 03 02 08 DC BE 1D(return data)
203 203  )))
204 204  
205 205  (((
206 -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 +
207 207  )))
208 208  
209 209  (((
210 -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
211 211  )))
212 212  
213 213  (((
214 -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)
215 215  )))
216 216  
217 217  (((
218 -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.
219 219  )))
220 220  
221 221  (((
222 -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
223 223  )))
224 224  
225 -[[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]]
226 226  
227 227  AT COMMAND
228 228  
229 -01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
230 230  
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.**
231 231  
232 -[[~[~[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]]
233 233  
266 +[[image:image-20220601143642-2.png]]
267 +
234 234  AT COMMAND
235 235  
236 236  
237 -==== 1.3.3.2 via LoRaWAN DOWNLINK ====
271 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
238 238  
239 -[[image:image-20220512104358-3.png]]
240 240  
274 +[[image:image-20220527093358-15.png]]
275 +
241 241  (((
242 242  DOWNLINK
243 243  )))
... ... @@ -247,7 +247,7 @@
247 247  )))
248 248  
249 249  (((
250 -**Type Code 0xAF**
285 +(% style="color:#4f81bd" %)**Type Code 0xAF**
251 251  )))
252 252  
253 253  (((
... ... @@ -258,7 +258,7 @@
258 258  )))
259 259  
260 260  (((
261 -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.
262 262  )))
263 263  
264 264  (((
... ... @@ -294,39 +294,45 @@
294 294  )))
295 295  
296 296  (((
297 -Example:
332 +
333 +
334 +(% style="color:blue" %)**Example:**
298 298  )))
299 299  
300 300  (((
301 -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
302 302  )))
303 303  
304 -[[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]]
305 305  
306 306  DOWNLINK
307 307  
308 308  
309 -[[~[~[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]]
310 310  
347 +[[image:image-20220601143803-3.png]]
348 +
311 311  DOWNLINK
312 312  
313 313  
314 -[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
315 315  
353 +[[image:image-20220601144053-5.png]]
354 +
316 316  DOWNLINK
317 317  
318 318  
319 -[[~[~[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]]
320 320  
359 +[[image:image-20220601143921-4.png]]
360 +
321 321  DOWNLINK
322 322  
323 323  
324 -[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
325 325  
365 +[[image:image-20220601142805-5.png]]
366 +
326 326  DOWNLINK
327 327  
328 328  
329 -=== 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** ===
330 330  
331 331  (((
332 332  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.
... ... @@ -346,36 +346,46 @@
346 346  
347 347  (((
348 348  check digit: Even
390 +
391 +
349 349  )))
350 350  
351 -[[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]]
352 352  
353 353  USB
354 354  
355 355  
356 -[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
357 357  
400 +[[image:image-20220527093747-22.png]]
401 +
358 358  USB
359 359  
360 360  
405 +
361 361  (((
362 362  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 +
363 363  )))
364 364  
365 365  (((
366 -**Example:**  input：01 03 00 31 00 02 95 c4
413 +(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
367 367  )))
368 368  
369 369  (((
370 370   output：01 03 04 00 00 00 42 7A 02
418 +
419 +
371 371  )))
372 372  
373 -[[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]]
374 374  
375 375  USB
376 376  
377 -=== 1.3.5 How to configure multiple devices and modify device addresses ===
378 378  
427 +=== **1.3.5 How to configure multiple devices and modify device addresses** ===
428 +
429 +
379 379  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.
380 380  
381 381  (((
... ... @@ -384,14 +384,17 @@
384 384  )))
385 385  )))
386 386  
387 -[[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]]
388 388  
389 -**Example**:These two meters are examples of setting parameters and device addresses.
390 390  
391 -[[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.
392 392  
393 -[[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]]
394 394  
445 +
446 +[[image:image-20220527094028-26.png]]
447 +
448 +
395 395  (((
396 396  (((
397 397  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.
... ... @@ -400,7 +400,7 @@
400 400  
401 401  (((
402 402  (((
403 -We can use AT+CFGDEV to set the device address.
457 +We can use **AT+CFGDEV** to set the device address.
404 404  )))
405 405  )))
406 406  
... ... @@ -410,10 +410,14 @@
410 410  )))
411 411  )))
412 412  
413 -[[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]]
414 414  
415 -AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
416 416  
470 +(% class="box infomessage" %)
471 +(((
472 +**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
473 +)))
474 +
417 417  * 01:device adaress
418 418  
419 419  * 10:function code
... ... @@ -434,43 +434,64 @@
434 434  
435 435  Its default device address is 01, and the following are the parameters for configuring two energy meters.
436 436  
437 -[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
495 +[[image:image-20220601142452-3.png]]
438 438  
439 -[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
440 440  
441 -PAYLOAD:01 08 DF 43 62
498 +[[image:image-20220601142607-4.png]]
442 442  
500 +
501 +**PAYLOAD:01 08 DF 43 62**
502 +
443 443  * 08 DF is the valid value of the meter with device address 02.
444 444  * 43 62 is the valid value of the meter with device address 01.
445 445  
506 +
507 +
508 +
446 446  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
447 447  
448 -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:
449 449  
450 -[[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.
451 451  
514 +The structure is like below:
515 +
516 +[[image:image-20220527094330-30.png]]
517 +
452 452  Connection
453 453  
454 -* [[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
455 455  
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 +
456 456  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
457 457  
528 +
458 458  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:
459 459  
460 -* [[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]]
461 461  
462 -* [[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
463 463  
464 -== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
465 465  
536 +
537 +== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
538 +
539 +
466 466  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:
467 467  
468 -* [[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);"]]
469 469  
470 -== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
471 471  
472 -[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
473 473  
546 +
547 +== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
548 +
549 +
550 +[[image:image-20220527094556-31.png]]
551 +
474 474  Network Structure
475 475  
554 +
476 476  * [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]
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