Last modified by Bei Jinggeng on 2025/01/10 15:06
<
From version < 102.13 >
edited by Xiaoling
on 2023/04/25 12:00
To version < 105.1 >
edited by Saxer Lin
on 2023/10/14 17:25
>
Change comment: There is no comment for this version

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1 -XWiki.Xiaoling
1 +XWiki.Saxer
Content
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38 38  )))
39 39  
40 40  (((
41 -RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
41 +RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
42 42  )))
43 43  
44 44  (((
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208 208  )))
209 209  )))
210 210  
211 -(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
211 +(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:image-20230425175410-2.png]](% title="Click and drag to resize" %)​
212 212  
213 213  
214 214  (((
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281 281  
282 282  To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
283 283  
284 -
285 285  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
286 -|=(% style="width: 119px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
285 +|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
287 287  **AT Commands**
288 -)))|=(% style="width: 116px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
287 +)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
289 289  **Description**
290 -)))|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)(((
289 +)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
291 291  **Example**
292 292  )))
293 -|(% style="width:119px" %)(((
292 +|(% style="width:126px" %)(((
293 +
294 +
295 +(((
294 294  AT+BAUDR
295 -)))|(% style="width:116px" %)(((
297 +)))
298 +)))|(% style="width:177px" %)(((
296 296  Set the baud rate (for RS485 connection). Default Value is: 9600.
297 -)))|(% style="width:190px" %)(((
300 +)))|(% style="width:193px" %)(((
298 298  (((
299 299  AT+BAUDR=9600
300 300  )))
301 301  
302 302  (((
303 -Options: (1200,2400,4800,14400,19200,115200)
306 +Options: (1200,2400,4800,
307 +14400,19200,115200)
304 304  )))
305 305  )))
306 -|(% style="width:119px" %)(((
310 +|(% style="width:126px" %)(((
307 307  AT+PARITY
308 -)))|(% style="width:116px" %)(((
312 +)))|(% style="width:177px" %)(((
309 309  Set UART parity (for RS485 connection)
310 -)))|(% style="width:190px" %)(((
314 +)))|(% style="width:193px" %)(((
311 311  (((
312 312  AT+PARITY=0
313 313  )))
314 314  
315 315  (((
316 -Option: 0: no parity, 1: odd parity, 2: even parity
320 +Option: 0: no parity,
321 +1: odd parity,
322 +2: even parity
317 317  )))
318 318  )))
319 -|(% style="width:119px" %)(((
325 +|(% style="width:126px" %)(((
320 320  AT+STOPBIT
321 -)))|(% style="width:116px" %)(((
327 +)))|(% style="width:177px" %)(((
322 322  (((
323 323  Set serial stopbit (for RS485 connection)
324 324  )))
325 -
331 +)))|(% style="width:193px" %)(((
326 326  (((
327 -
328 -)))
329 -)))|(% style="width:190px" %)(((
330 -(((
331 331  AT+STOPBIT=0 for 1bit
332 332  )))
333 333  
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344 344  
345 345  
346 346  (((
347 -(((
348 348  Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
349 -
350 -
351 351  )))
352 -)))
353 353  
354 354  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
355 355  |=(% style="width: 122px; background-color:#D9E2F3;color:#0070C0" %)**AT Commands**|=(% style="width: 198px; background-color:#D9E2F3;color:#0070C0" %)**Description**|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)**Example**
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411 411  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
412 412  
413 413  
412 +If a single command exceeds 14 bytes, you can use the command splicing function.
413 +
414 +When AT+CMDDLx=1, the commands of AT+COMMANDx and AT+COMMAND(x+1) will be merged.
415 +
416 +
417 +**Examples:** To send 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F data it should be configured:
418 +
419 + AT+COMMAND1=00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D,0
420 +
421 + AT+COMMAND1=1
422 +
423 + AT+COMMAND2=0E 0F,0
424 +
425 +
414 414  (% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
415 415  
416 416  (% border="1" style="background-color:#f2f2f2; width:510px" %)
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556 556  
557 557  
558 558  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
559 -|=(% scope="row" style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
571 +|=(% scope="row" style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)(((
560 560  Size(bytes)
561 561  )))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
562 562  **Length depends on the return from the commands**
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1006 1006  (% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
1007 1007  
1008 1008  
1021 +(Since firmware v1.4.0)
1022 +
1009 1009  * (((
1010 1010  (% style="color:#037691" %)** AT Command:**
1011 1011  )))
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1022 1022  Each uplink is sent to the server at 20-second intervals when segmented.
1023 1023  
1024 1024  
1039 +==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
1025 1025  
1041 +
1042 +AT+NEWLINE command, which only takes effect when AT+DATAUP=1 or AT+DATAUP=1, timeout.
1043 +
1044 +When not set, each part of AT+DATAUP is sent according to the maximum number of bytes of DR.
1045 +
1046 +When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
1047 +
1048 +
1049 +* (((
1050 +(% style="color:#037691" %)** AT Command:**
1051 +)))
1052 +
1053 +(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   //The data cut out by each AT+COMMANDx command is sent separately as an uplink.
1054 +
1055 +(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   equal：  (% style="color:#4472c4" %)**AT+NEWLINE=1+2+3+4+5+6+7+8+9+10+11+12+13+14+15**//
1056 +
1057 +
1058 +(% style="color:#4472c4" %)//**AT+NEWLINE=a+b+c**//(%%)//  //The data returned by all commands is divided into three parts, COMMAND(1~~a) is the first part, COMMAND(a+1~~b) is the second part,COMMAND(b+1~~c) is the third part.
1059 +
1060 +
1061 +(% style="color:#4472c4" %)//**AT+NEWLINE=NULL**//(%%)//  //Turn off the functionality of this AT command.
1062 +
1063 +
1064 +* (((
1065 +(% style="color:#037691" %)** Downlink Payload:**
1066 +)))
1067 +
1068 +//AT+NEWLINE=ALL  ~-~-->  (% style="color:#4472c4" %)**0xAC 01**//
1069 +
1070 +// AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xAC 00**//
1071 +
1072 +//AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xAC number of bytes a b c**//
1073 +
1074 +//AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
1075 +
1076 +
1026 1026  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1027 1027  
1028 1028  
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