Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 102.16 >
edited by Xiaoling
on 2023/04/25 14:05
To version < 98.1 >
edited by Bei Jinggeng
on 2022/12/06 09:45
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -28,7 +28,7 @@
28 28  
29 29  
30 30  
31 -= 1. Introduction =
31 += 1.Introduction =
32 32  
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
... ... @@ -94,6 +94,7 @@
94 94  * Automatic RF Sense and CAD with ultra-fast AFC.
95 95  * Packet engine up to 256 bytes with CRC
96 96  
97 +
97 97  == 1.3 Features ==
98 98  
99 99  
... ... @@ -106,6 +106,7 @@
106 106  * Support Modbus protocol
107 107  * Support Interrupt uplink (Since hardware version v1.2)
108 108  
110 +
109 109  == 1.4 Applications ==
110 110  
111 111  
... ... @@ -116,6 +116,7 @@
116 116  * Smart Cities
117 117  * Smart Factory
118 118  
121 +
119 119  == 1.5 Firmware Change log ==
120 120  
121 121  
... ... @@ -122,6 +122,7 @@
122 122  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
123 123  
124 124  
128 +
125 125  == 1.6 Hardware Change log ==
126 126  
127 127  
... ... @@ -281,53 +281,44 @@
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 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
285 -|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
288 +
289 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
290 +|=(% style="width: 110px;" %)(((
286 286  **AT Commands**
287 -)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
292 +)))|=(% style="width: 210px;" %)(((
288 288  **Description**
289 -)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
294 +)))|=(% style="width: 190px;" %)(((
290 290  **Example**
291 291  )))
292 -|(% style="width:126px" %)(((
293 -
294 -
295 -(((
297 +|(% style="width:110px" %)(((
296 296  AT+BAUDR
297 -)))
298 -)))|(% style="width:177px" %)(((
299 +)))|(% style="width:190px" %)(((
299 299  Set the baud rate (for RS485 connection). Default Value is: 9600.
300 -)))|(% style="width:193px" %)(((
301 +)))|(% style="width:190px" %)(((
301 301  (((
302 302  AT+BAUDR=9600
303 303  )))
304 304  
305 305  (((
306 -Options: (1200,2400,4800,
307 -
308 -14400,19200,115200)
307 +Options: (1200,2400,4800,14400,19200,115200)
309 309  )))
310 310  )))
311 -|(% style="width:126px" %)(((
310 +|(% style="width:110px" %)(((
312 312  AT+PARITY
313 -)))|(% style="width:177px" %)(((
312 +)))|(% style="width:190px" %)(((
314 314  Set UART parity (for RS485 connection)
315 -)))|(% style="width:193px" %)(((
314 +)))|(% style="width:190px" %)(((
316 316  (((
317 317  AT+PARITY=0
318 318  )))
319 319  
320 320  (((
321 -Option: 0: no parity,
322 -
323 -1: odd parity,
324 -
325 -2: even parity
320 +Option: 0: no parity, 1: odd parity, 2: even parity
326 326  )))
327 327  )))
328 -|(% style="width:126px" %)(((
323 +|(% style="width:110px" %)(((
329 329  AT+STOPBIT
330 -)))|(% style="width:177px" %)(((
325 +)))|(% style="width:190px" %)(((
331 331  (((
332 332  Set serial stopbit (for RS485 connection)
333 333  )))
... ... @@ -335,7 +335,7 @@
335 335  (((
336 336  
337 337  )))
338 -)))|(% style="width:193px" %)(((
333 +)))|(% style="width:190px" %)(((
339 339  (((
340 340  AT+STOPBIT=0 for 1bit
341 341  )))
... ... @@ -354,12 +354,16 @@
354 354  
355 355  
356 356  (((
352 +(((
357 357  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.
354 +
355 +
358 358  )))
357 +)))
359 359  
360 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
361 -|=(% 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**
362 -|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
359 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
360 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
361 +|AT+CFGDEV|(% style="width:110px" %)(((
363 363  (((
364 364  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
365 365  )))
... ... @@ -373,6 +373,7 @@
373 373  )))
374 374  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
375 375  
375 +
376 376  === 3.3.3 Configure read commands for each sampling ===
377 377  
378 378  
... ... @@ -403,7 +403,7 @@
403 403  
404 404  (% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
405 405  
406 -(% border="1" style="background-color:#f2f2f2; width:499px" %)
406 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
407 407  |(% style="width:496px" %)(((
408 408  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
409 409  
... ... @@ -419,7 +419,7 @@
419 419  
420 420  (% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
421 421  
422 -(% border="1" style="background-color:#f2f2f2; width:510px" %)
422 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
423 423  |(% style="width:510px" %)(((
424 424  **AT+DATACUTx=a,b,c**
425 425  
... ... @@ -561,11 +561,11 @@
561 561  == 3.4 Uplink Payload ==
562 562  
563 563  
564 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
565 -|=(% scope="row" style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
564 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
565 +|=(% scope="row" style="width: 60px;" %)(((
566 566  Size(bytes)
567 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
568 -**Length depends on the return from the commands**
567 +)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
568 +Length depends on the return from the commands
569 569  )))
570 570  |=(% style="width: 90px;" %)(((
571 571  Value
... ... @@ -610,6 +610,7 @@
610 610  )))
611 611  
612 612  
613 +
613 613  === 3.5.1 Common Commands ===
614 614  
615 615  
... ... @@ -755,6 +755,7 @@
755 755  
756 756  
757 757  
759 +
758 758  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
759 759  
760 760  
... ... @@ -797,6 +797,7 @@
797 797  
798 798  
799 799  
802 +
800 800  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
801 801  
802 802  
... ... @@ -881,6 +881,7 @@
881 881  
882 882  
883 883  
887 +
884 884  ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
885 885  
886 886  
... ... @@ -924,6 +924,7 @@
924 924  
925 925  
926 926  
931 +
927 927  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
928 928  
929 929  
... ... @@ -960,7 +960,7 @@
960 960  )))
961 961  
962 962  (((
963 -(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
968 +(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
964 964  )))
965 965  
966 966  (((
... ... @@ -970,11 +970,12 @@
970 970  )))
971 971  
972 972  (((
973 -**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
978 +**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
974 974  )))
975 975  
976 976  
977 977  
983 +
978 978  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
979 979  
980 980  
... ... @@ -1029,6 +1029,7 @@
1029 1029  
1030 1030  
1031 1031  
1038 +
1032 1032  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1033 1033  
1034 1034  
... ... @@ -1058,6 +1058,7 @@
1058 1058  
1059 1059  
1060 1060  
1068 +
1061 1061  ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1062 1062  
1063 1063  
... ... @@ -1106,6 +1106,7 @@
1106 1106  
1107 1107  
1108 1108  
1117 +
1109 1109  ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1110 1110  
1111 1111  
... ... @@ -1189,7 +1189,7 @@
1189 1189  
1190 1190  
1191 1191  
1192 -==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
1201 +==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1193 1193  
1194 1194  (((
1195 1195  
... ... @@ -1205,9 +1205,10 @@
1205 1205  
1206 1206  
1207 1207  
1208 -==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
1209 1209  
1218 +==== (% style="color:blue" %)**Get sensor value**(%%) ====
1210 1210  
1220 +
1211 1211  * (((
1212 1212  (% style="color:#037691" %)** AT Command:**
1213 1213  )))
... ... @@ -1218,9 +1218,10 @@
1218 1218  
1219 1219  
1220 1220  
1221 -==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
1222 1222  
1232 +==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1223 1223  
1234 +
1224 1224  * (((
1225 1225  (% style="color:#037691" %)** AT Command:**
1226 1226  )))
... ... @@ -1231,9 +1231,10 @@
1231 1231  
1232 1232  
1233 1233  
1234 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
1235 1235  
1246 +==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1236 1236  
1248 +
1237 1237  * (((
1238 1238  (% style="color:#037691" %)** AT Command:**
1239 1239  )))
... ... @@ -1251,9 +1251,10 @@
1251 1251  
1252 1252  
1253 1253  
1254 -==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
1255 1255  
1267 +==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1256 1256  
1269 +
1257 1257  * (((
1258 1258  (% style="color:#037691" %)** AT Command:**
1259 1259  )))
... ... @@ -1275,9 +1275,10 @@
1275 1275  
1276 1276  
1277 1277  
1278 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
1279 1279  
1292 +==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1280 1280  
1294 +
1281 1281  (((
1282 1282  * (% style="color:#037691" %)**Downlink Payload:**
1283 1283  
... ... @@ -1292,9 +1292,10 @@
1292 1292  
1293 1293  
1294 1294  
1295 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
1296 1296  
1310 +==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1297 1297  
1312 +
1298 1298  * (((
1299 1299  (% style="color:#037691" %)** AT Command:**
1300 1300  )))
... ... @@ -1336,32 +1336,34 @@
1336 1336  To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1337 1337  )))
1338 1338  
1354 +(((
1355 +
1356 +)))
1339 1339  
1340 -
1341 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1342 -|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1358 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1359 +|=(% style="width: 100px;" %)(((
1343 1343  **Command example**
1344 -)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1361 +)))|=(% style="width: 400px;" %)(((
1345 1345  **Function**
1346 1346  )))
1347 -|(% style="width:156px" %)(((
1364 +|(% style="width:100px" %)(((
1348 1348  AT+RXMODE=1,10
1349 -)))|(% style="width:352px" %)(((
1366 +)))|(% style="width:400px" %)(((
1350 1350  Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1351 1351  )))
1352 -|(% style="width:156px" %)(((
1369 +|(% style="width:100px" %)(((
1353 1353  AT+RXMODE=2,500
1354 -)))|(% style="width:352px" %)(((
1371 +)))|(% style="width:400px" %)(((
1355 1355  Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1356 1356  )))
1357 -|(% style="width:156px" %)(((
1374 +|(% style="width:100px" %)(((
1358 1358  AT+RXMODE=0,0
1359 -)))|(% style="width:352px" %)(((
1376 +)))|(% style="width:400px" %)(((
1360 1360  Disable listening mode. This is the default settings.
1361 1361  )))
1362 -|(% style="width:156px" %)(((
1379 +|(% style="width:100px" %)(((
1363 1363  
1364 -)))|(% style="width:352px" %)(((
1381 +)))|(% style="width:400px" %)(((
1365 1365  A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1366 1366  )))
1367 1367  
... ... @@ -1409,30 +1409,36 @@
1409 1409  (% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.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" %)​
1410 1410  )))
1411 1411  
1429 +(((
1430 +
1431 +)))
1412 1412  
1413 -
1414 1414  (((
1434 +(((
1415 1415  (% style="color:red" %)**Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.**
1416 1416  )))
1437 +)))
1417 1417  
1418 1418  
1419 1419  == 3.7 Buttons ==
1420 1420  
1421 1421  
1422 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1423 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Button**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1424 -|(% style="width:50px" %)ACT|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1425 -|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1426 -|(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1443 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1444 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1445 +|(% style="width:50px" %)**ACT**|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1446 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1447 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1427 1427  
1449 +
1428 1428  == 3.8 LEDs ==
1429 1429  
1430 1430  
1431 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1432 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**LEDs**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1433 -|PWR|Always on if there is power
1434 -|SYS|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
1453 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1454 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1455 +|**PWR**|Always on if there is power
1456 +|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
1435 1435  
1458 +
1436 1436  = 4. Case Study =
1437 1437  
1438 1438  
... ... @@ -1486,6 +1486,8 @@
1486 1486  
1487 1487  * (% style="color:#037691" %)**AT+NJM=0**
1488 1488  * (% style="color:#037691" %)**ATZ**
1512 +
1513 +
1489 1489  )))
1490 1490  
1491 1491  
... ... @@ -1687,7 +1687,7 @@
1687 1687  
1688 1688  RS485-LN sent below command:
1689 1689  
1690 -(% style="color:blue" %)**AT+CFGDEV=01 03 00 20 00 01,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1715 +(% style="color:blue" %)**AT+CFGDEV=01 03 20 00 01 85 c0,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1691 1691  
1692 1692  
1693 1693  We can see the output from the Serial port tool to analyze. And check if they are expected result.
... ... @@ -1739,10 +1739,9 @@
1739 1739  
1740 1740  == 6.8 Where to get the decoder for RS485-LN? ==
1741 1741  
1767 +The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide templates for decoders (no intermediate data parsing part involved)
1742 1742  
1743 -The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide [[templates>>https://github.com/dragino/dragino-end-node-decoder/tree/main/RS485-LN]] for decoders (no intermediate data parsing part involved)
1744 1744  
1745 -
1746 1746  = 7. Trouble Shooting =
1747 1747  
1748 1748  == 7.1 Downlink doesn't work, how to solve it? ==
... ... @@ -1775,9 +1775,10 @@
1775 1775  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1776 1776  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1777 1777  
1778 -= 9. Packing Info =
1779 1779  
1803 += 9.Packing Info =
1780 1780  
1805 +
1781 1781  **Package Includes**:
1782 1782  
1783 1783  * RS485-LN x 1
... ... @@ -1791,6 +1791,7 @@
1791 1791  * Package Size / pcs : 14.5 x 8 x 5 cm
1792 1792  * Weight / pcs : 170g
1793 1793  
1819 +
1794 1794  = 10. FCC Caution for RS485LN-US915 =
1795 1795  
1796 1796  

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