Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 103.1 >
edited by Xiaoling
on 2023/04/25 17:54
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  
... ... @@ -95,7 +95,6 @@
95 95  * Packet engine up to 256 bytes with CRC
96 96  
97 97  
98 -
99 99  == 1.3 Features ==
100 100  
101 101  
... ... @@ -109,7 +109,6 @@
109 109  * Support Interrupt uplink (Since hardware version v1.2)
110 110  
111 111  
112 -
113 113  == 1.4 Applications ==
114 114  
115 115  
... ... @@ -121,7 +121,6 @@
121 121  * Smart Factory
122 122  
123 123  
124 -
125 125  == 1.5 Firmware Change log ==
126 126  
127 127  
... ... @@ -128,6 +128,7 @@
128 128  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
129 129  
130 130  
128 +
131 131  == 1.6 Hardware Change log ==
132 132  
133 133  
... ... @@ -287,55 +287,53 @@
287 287  
288 288  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:
289 289  
290 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
291 -|=(% 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;" %)(((
292 292  **AT Commands**
293 -)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
292 +)))|=(% style="width: 210px;" %)(((
294 294  **Description**
295 -)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
294 +)))|=(% style="width: 190px;" %)(((
296 296  **Example**
297 297  )))
298 -|(% style="width:126px" %)(((
299 -
300 -
301 -(((
297 +|(% style="width:110px" %)(((
302 302  AT+BAUDR
303 -)))
304 -)))|(% style="width:177px" %)(((
299 +)))|(% style="width:190px" %)(((
305 305  Set the baud rate (for RS485 connection). Default Value is: 9600.
306 -)))|(% style="width:193px" %)(((
301 +)))|(% style="width:190px" %)(((
307 307  (((
308 308  AT+BAUDR=9600
309 309  )))
310 310  
311 311  (((
312 -Options: (1200,2400,4800,
313 -14400,19200,115200)
307 +Options: (1200,2400,4800,14400,19200,115200)
314 314  )))
315 315  )))
316 -|(% style="width:126px" %)(((
310 +|(% style="width:110px" %)(((
317 317  AT+PARITY
318 -)))|(% style="width:177px" %)(((
312 +)))|(% style="width:190px" %)(((
319 319  Set UART parity (for RS485 connection)
320 -)))|(% style="width:193px" %)(((
314 +)))|(% style="width:190px" %)(((
321 321  (((
322 322  AT+PARITY=0
323 323  )))
324 324  
325 325  (((
326 -Option: 0: no parity,
327 -1: odd parity,
328 -2: even parity
320 +Option: 0: no parity, 1: odd parity, 2: even parity
329 329  )))
330 330  )))
331 -|(% style="width:126px" %)(((
323 +|(% style="width:110px" %)(((
332 332  AT+STOPBIT
333 -)))|(% style="width:177px" %)(((
325 +)))|(% style="width:190px" %)(((
334 334  (((
335 335  Set serial stopbit (for RS485 connection)
336 336  )))
337 -)))|(% style="width:193px" %)(((
329 +
338 338  (((
331 +
332 +)))
333 +)))|(% style="width:190px" %)(((
334 +(((
339 339  AT+STOPBIT=0 for 1bit
340 340  )))
341 341  
... ... @@ -349,17 +349,20 @@
349 349  )))
350 350  
351 351  
352 -
353 353  === 3.3.2 Configure sensors ===
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  )))
... ... @@ -374,7 +374,6 @@
374 374  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
375 375  
376 376  
377 -
378 378  === 3.3.3 Configure read commands for each sampling ===
379 379  
380 380  
... ... @@ -405,7 +405,7 @@
405 405  
406 406  (% 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:
407 407  
408 -(% border="1" style="background-color:#f2f2f2; width:499px" %)
406 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
409 409  |(% style="width:496px" %)(((
410 410  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
411 411  
... ... @@ -421,7 +421,7 @@
421 421  
422 422  (% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
423 423  
424 -(% border="1" style="background-color:#f2f2f2; width:510px" %)
422 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
425 425  |(% style="width:510px" %)(((
426 426  **AT+DATACUTx=a,b,c**
427 427  
... ... @@ -563,11 +563,11 @@
563 563  == 3.4 Uplink Payload ==
564 564  
565 565  
566 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
567 -|=(% scope="row" style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)(((
564 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
565 +|=(% scope="row" style="width: 60px;" %)(((
568 568  Size(bytes)
569 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
570 -**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
571 571  )))
572 572  |=(% style="width: 90px;" %)(((
573 573  Value
... ... @@ -612,6 +612,7 @@
612 612  )))
613 613  
614 614  
613 +
615 615  === 3.5.1 Common Commands ===
616 616  
617 617  
... ... @@ -757,6 +757,7 @@
757 757  
758 758  
759 759  
759 +
760 760  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
761 761  
762 762  
... ... @@ -799,6 +799,7 @@
799 799  
800 800  
801 801  
802 +
802 802  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
803 803  
804 804  
... ... @@ -883,6 +883,7 @@
883 883  
884 884  
885 885  
887 +
886 886  ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
887 887  
888 888  
... ... @@ -926,6 +926,7 @@
926 926  
927 927  
928 928  
931 +
929 929  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
930 930  
931 931  
... ... @@ -962,7 +962,7 @@
962 962  )))
963 963  
964 964  (((
965 -(% 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
966 966  )))
967 967  
968 968  (((
... ... @@ -972,11 +972,12 @@
972 972  )))
973 973  
974 974  (((
975 -**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
978 +**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
976 976  )))
977 977  
978 978  
979 979  
983 +
980 980  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
981 981  
982 982  
... ... @@ -1031,6 +1031,7 @@
1031 1031  
1032 1032  
1033 1033  
1038 +
1034 1034  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1035 1035  
1036 1036  
... ... @@ -1060,6 +1060,7 @@
1060 1060  
1061 1061  
1062 1062  
1068 +
1063 1063  ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1064 1064  
1065 1065  
... ... @@ -1108,6 +1108,7 @@
1108 1108  
1109 1109  
1110 1110  
1117 +
1111 1111  ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1112 1112  
1113 1113  
... ... @@ -1191,7 +1191,7 @@
1191 1191  
1192 1192  
1193 1193  
1194 -==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
1201 +==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1195 1195  
1196 1196  (((
1197 1197  
... ... @@ -1207,9 +1207,10 @@
1207 1207  
1208 1208  
1209 1209  
1210 -==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
1211 1211  
1218 +==== (% style="color:blue" %)**Get sensor value**(%%) ====
1212 1212  
1220 +
1213 1213  * (((
1214 1214  (% style="color:#037691" %)** AT Command:**
1215 1215  )))
... ... @@ -1220,9 +1220,10 @@
1220 1220  
1221 1221  
1222 1222  
1223 -==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
1224 1224  
1232 +==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1225 1225  
1234 +
1226 1226  * (((
1227 1227  (% style="color:#037691" %)** AT Command:**
1228 1228  )))
... ... @@ -1233,9 +1233,10 @@
1233 1233  
1234 1234  
1235 1235  
1236 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
1237 1237  
1246 +==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1238 1238  
1248 +
1239 1239  * (((
1240 1240  (% style="color:#037691" %)** AT Command:**
1241 1241  )))
... ... @@ -1253,9 +1253,10 @@
1253 1253  
1254 1254  
1255 1255  
1256 -==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
1257 1257  
1267 +==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1258 1258  
1269 +
1259 1259  * (((
1260 1260  (% style="color:#037691" %)** AT Command:**
1261 1261  )))
... ... @@ -1277,9 +1277,10 @@
1277 1277  
1278 1278  
1279 1279  
1280 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
1281 1281  
1292 +==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1282 1282  
1294 +
1283 1283  (((
1284 1284  * (% style="color:#037691" %)**Downlink Payload:**
1285 1285  
... ... @@ -1294,9 +1294,10 @@
1294 1294  
1295 1295  
1296 1296  
1297 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
1298 1298  
1310 +==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1299 1299  
1312 +
1300 1300  * (((
1301 1301  (% style="color:#037691" %)** AT Command:**
1302 1302  )))
... ... @@ -1338,32 +1338,34 @@
1338 1338  To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1339 1339  )))
1340 1340  
1354 +(((
1355 +
1356 +)))
1341 1341  
1342 -
1343 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1344 -|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1358 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1359 +|=(% style="width: 100px;" %)(((
1345 1345  **Command example**
1346 -)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1361 +)))|=(% style="width: 400px;" %)(((
1347 1347  **Function**
1348 1348  )))
1349 -|(% style="width:156px" %)(((
1364 +|(% style="width:100px" %)(((
1350 1350  AT+RXMODE=1,10
1351 -)))|(% style="width:352px" %)(((
1366 +)))|(% style="width:400px" %)(((
1352 1352  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.
1353 1353  )))
1354 -|(% style="width:156px" %)(((
1369 +|(% style="width:100px" %)(((
1355 1355  AT+RXMODE=2,500
1356 -)))|(% style="width:352px" %)(((
1371 +)))|(% style="width:400px" %)(((
1357 1357  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
1358 1358  )))
1359 -|(% style="width:156px" %)(((
1374 +|(% style="width:100px" %)(((
1360 1360  AT+RXMODE=0,0
1361 -)))|(% style="width:352px" %)(((
1376 +)))|(% style="width:400px" %)(((
1362 1362  Disable listening mode. This is the default settings.
1363 1363  )))
1364 -|(% style="width:156px" %)(((
1379 +|(% style="width:100px" %)(((
1365 1365  
1366 -)))|(% style="width:352px" %)(((
1381 +)))|(% style="width:400px" %)(((
1367 1367  A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1368 1368  )))
1369 1369  
... ... @@ -1411,34 +1411,36 @@
1411 1411  (% 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" %)​
1412 1412  )))
1413 1413  
1429 +(((
1430 +
1431 +)))
1414 1414  
1415 -
1416 1416  (((
1434 +(((
1417 1417  (% 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.**
1418 1418  )))
1437 +)))
1419 1419  
1420 1420  
1421 1421  == 3.7 Buttons ==
1422 1422  
1423 1423  
1424 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1425 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Button**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1426 -|(% 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**
1427 -|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1428 -|(% 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"]]
1429 1429  
1430 1430  
1431 -
1432 1432  == 3.8 LEDs ==
1433 1433  
1434 1434  
1435 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1436 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**LEDs**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1437 -|PWR|Always on if there is power
1438 -|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.
1439 1439  
1440 1440  
1441 -
1442 1442  = 4. Case Study =
1443 1443  
1444 1444  
... ... @@ -1492,6 +1492,8 @@
1492 1492  
1493 1493  * (% style="color:#037691" %)**AT+NJM=0**
1494 1494  * (% style="color:#037691" %)**ATZ**
1512 +
1513 +
1495 1495  )))
1496 1496  
1497 1497  
... ... @@ -1693,7 +1693,7 @@
1693 1693  
1694 1694  RS485-LN sent below command:
1695 1695  
1696 -(% 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.
1697 1697  
1698 1698  
1699 1699  We can see the output from the Serial port tool to analyze. And check if they are expected result.
... ... @@ -1745,10 +1745,9 @@
1745 1745  
1746 1746  == 6.8 Where to get the decoder for RS485-LN? ==
1747 1747  
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)
1748 1748  
1749 -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)
1750 1750  
1751 -
1752 1752  = 7. Trouble Shooting =
1753 1753  
1754 1754  == 7.1 Downlink doesn't work, how to solve it? ==
... ... @@ -1782,10 +1782,9 @@
1782 1782  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1783 1783  
1784 1784  
1803 += 9.Packing Info =
1785 1785  
1786 -= 9. Packing Info =
1787 1787  
1788 -
1789 1789  **Package Includes**:
1790 1790  
1791 1791  * RS485-LN x 1
... ... @@ -1800,7 +1800,6 @@
1800 1800  * Weight / pcs : 170g
1801 1801  
1802 1802  
1803 -
1804 1804  = 10. FCC Caution for RS485LN-US915 =
1805 1805  
1806 1806  
image-20230425175403-1.png
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