Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 102.9 >
edited by Xiaoling
on 2023/04/25 11:19
To version < 97.3 >
edited by Xiaoling
on 2022/11/30 14:59
>
Change comment: There is no comment for this version

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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 +94,8 @@
94 94  * Automatic RF Sense and CAD with ultra-fast AFC.
95 95  * Packet engine up to 256 bytes with CRC
96 96  
97 +
98 +
97 97  == 1.3 Features ==
98 98  
99 99  
... ... @@ -106,6 +106,8 @@
106 106  * Support Modbus protocol
107 107  * Support Interrupt uplink (Since hardware version v1.2)
108 108  
111 +
112 +
109 109  == 1.4 Applications ==
110 110  
111 111  
... ... @@ -116,6 +116,8 @@
116 116  * Smart Cities
117 117  * Smart Factory
118 118  
123 +
124 +
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  
131 +
125 125  == 1.6 Hardware Change log ==
126 126  
127 127  
... ... @@ -282,17 +282,17 @@
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  
284 284  
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);" %)(((
292 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
293 +|=(% style="width: 110px;" %)(((
287 287  **AT Commands**
288 -)))|=(% style="width: 116px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
295 +)))|=(% style="width: 210px;" %)(((
289 289  **Description**
290 -)))|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)(((
297 +)))|=(% style="width: 190px;" %)(((
291 291  **Example**
292 292  )))
293 -|(% style="width:119px" %)(((
300 +|(% style="width:110px" %)(((
294 294  AT+BAUDR
295 -)))|(% style="width:116px" %)(((
302 +)))|(% style="width:190px" %)(((
296 296  Set the baud rate (for RS485 connection). Default Value is: 9600.
297 297  )))|(% style="width:190px" %)(((
298 298  (((
... ... @@ -303,9 +303,9 @@
303 303  Options: (1200,2400,4800,14400,19200,115200)
304 304  )))
305 305  )))
306 -|(% style="width:119px" %)(((
313 +|(% style="width:110px" %)(((
307 307  AT+PARITY
308 -)))|(% style="width:116px" %)(((
315 +)))|(% style="width:190px" %)(((
309 309  Set UART parity (for RS485 connection)
310 310  )))|(% style="width:190px" %)(((
311 311  (((
... ... @@ -316,9 +316,9 @@
316 316  Option: 0: no parity, 1: odd parity, 2: even parity
317 317  )))
318 318  )))
319 -|(% style="width:119px" %)(((
326 +|(% style="width:110px" %)(((
320 320  AT+STOPBIT
321 -)))|(% style="width:116px" %)(((
328 +)))|(% style="width:190px" %)(((
322 322  (((
323 323  Set serial stopbit (for RS485 connection)
324 324  )))
... ... @@ -340,6 +340,8 @@
340 340  )))
341 341  )))
342 342  
350 +
351 +
343 343  === 3.3.2 Configure sensors ===
344 344  
345 345  
... ... @@ -351,9 +351,9 @@
351 351  )))
352 352  )))
353 353  
354 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
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**
356 -|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
363 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
364 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
365 +|AT+CFGDEV|(% style="width:110px" %)(((
357 357  (((
358 358  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
359 359  )))
... ... @@ -367,6 +367,8 @@
367 367  )))
368 368  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
369 369  
379 +
380 +
370 370  === 3.3.3 Configure read commands for each sampling ===
371 371  
372 372  
... ... @@ -397,7 +397,7 @@
397 397  
398 398  (% 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:
399 399  
400 -(% border="1" style="background-color:#f2f2f2; width:499px" %)
411 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
401 401  |(% style="width:496px" %)(((
402 402  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
403 403  
... ... @@ -413,7 +413,7 @@
413 413  
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 -(% border="1" style="background-color:#f2f2f2; width:510px" %)
427 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
417 417  |(% style="width:510px" %)(((
418 418  **AT+DATACUTx=a,b,c**
419 419  
... ... @@ -555,11 +555,11 @@
555 555  == 3.4 Uplink Payload ==
556 556  
557 557  
558 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
559 -|=(% scope="row" style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
569 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
570 +|=(% scope="row" style="width: 60px;" %)(((
560 560  Size(bytes)
561 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
562 -**Length depends on the return from the commands**
572 +)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
573 +Length depends on the return from the commands
563 563  )))
564 564  |=(% style="width: 90px;" %)(((
565 565  Value
... ... @@ -604,6 +604,7 @@
604 604  )))
605 605  
606 606  
618 +
607 607  === 3.5.1 Common Commands ===
608 608  
609 609  
... ... @@ -749,6 +749,7 @@
749 749  
750 750  
751 751  
764 +
752 752  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
753 753  
754 754  
... ... @@ -791,6 +791,7 @@
791 791  
792 792  
793 793  
807 +
794 794  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
795 795  
796 796  
... ... @@ -875,6 +875,7 @@
875 875  
876 876  
877 877  
892 +
878 878  ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
879 879  
880 880  
... ... @@ -918,6 +918,7 @@
918 918  
919 919  
920 920  
936 +
921 921  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
922 922  
923 923  
... ... @@ -954,7 +954,7 @@
954 954  )))
955 955  
956 956  (((
957 -(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
973 +(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
958 958  )))
959 959  
960 960  (((
... ... @@ -964,11 +964,12 @@
964 964  )))
965 965  
966 966  (((
967 -**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
983 +**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
968 968  )))
969 969  
970 970  
971 971  
988 +
972 972  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
973 973  
974 974  
... ... @@ -1023,6 +1023,7 @@
1023 1023  
1024 1024  
1025 1025  
1043 +
1026 1026  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1027 1027  
1028 1028  
... ... @@ -1052,6 +1052,7 @@
1052 1052  
1053 1053  
1054 1054  
1073 +
1055 1055  ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1056 1056  
1057 1057  
... ... @@ -1100,6 +1100,7 @@
1100 1100  
1101 1101  
1102 1102  
1122 +
1103 1103  ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1104 1104  
1105 1105  
... ... @@ -1183,7 +1183,7 @@
1183 1183  
1184 1184  
1185 1185  
1186 -==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
1206 +==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1187 1187  
1188 1188  (((
1189 1189  
... ... @@ -1199,9 +1199,10 @@
1199 1199  
1200 1200  
1201 1201  
1202 -==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
1203 1203  
1223 +==== (% style="color:blue" %)**Get sensor value**(%%) ====
1204 1204  
1225 +
1205 1205  * (((
1206 1206  (% style="color:#037691" %)** AT Command:**
1207 1207  )))
... ... @@ -1212,9 +1212,10 @@
1212 1212  
1213 1213  
1214 1214  
1215 -==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
1216 1216  
1237 +==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1217 1217  
1239 +
1218 1218  * (((
1219 1219  (% style="color:#037691" %)** AT Command:**
1220 1220  )))
... ... @@ -1225,9 +1225,10 @@
1225 1225  
1226 1226  
1227 1227  
1228 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
1229 1229  
1251 +==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1230 1230  
1253 +
1231 1231  * (((
1232 1232  (% style="color:#037691" %)** AT Command:**
1233 1233  )))
... ... @@ -1245,9 +1245,10 @@
1245 1245  
1246 1246  
1247 1247  
1248 -==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
1249 1249  
1272 +==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1250 1250  
1274 +
1251 1251  * (((
1252 1252  (% style="color:#037691" %)** AT Command:**
1253 1253  )))
... ... @@ -1269,9 +1269,10 @@
1269 1269  
1270 1270  
1271 1271  
1272 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
1273 1273  
1297 +==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1274 1274  
1299 +
1275 1275  (((
1276 1276  * (% style="color:#037691" %)**Downlink Payload:**
1277 1277  
... ... @@ -1286,9 +1286,10 @@
1286 1286  
1287 1287  
1288 1288  
1289 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
1290 1290  
1315 +==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1291 1291  
1317 +
1292 1292  * (((
1293 1293  (% style="color:#037691" %)** AT Command:**
1294 1294  )))
... ... @@ -1334,13 +1334,13 @@
1334 1334  
1335 1335  )))
1336 1336  
1337 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1338 -|=(% style="width: 120px;background-color:#D9E2F3;color:#0070C0" %)(((
1363 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1364 +|=(% style="width: 100px;" %)(((
1339 1339  **Command example**
1340 -)))|=(% style="width: 390px;background-color:#D9E2F3;color:#0070C0" %)(((
1366 +)))|=(% style="width: 400px;" %)(((
1341 1341  **Function**
1342 1342  )))
1343 -|(% style="width:100px;background-color:#D9E2F3;color:#0070C0" %)(((
1369 +|(% style="width:100px" %)(((
1344 1344  AT+RXMODE=1,10
1345 1345  )))|(% style="width:400px" %)(((
1346 1346  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.
... ... @@ -1425,6 +1425,8 @@
1425 1425  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1426 1426  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1427 1427  
1454 +
1455 +
1428 1428  == 3.8 LEDs ==
1429 1429  
1430 1430  
... ... @@ -1433,6 +1433,8 @@
1433 1433  |**PWR**|Always on if there is power
1434 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.
1435 1435  
1464 +
1465 +
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**
1519 +
1520 +
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.
1722 +(% 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.
... ... @@ -1737,12 +1737,6 @@
1737 1737  [[image:image-20221130104310-14.png||height="371" width="823"]]
1738 1738  
1739 1739  
1740 -== 6.8 Where to get the decoder for RS485-LN? ==
1741 -
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 -
1745 -
1746 1746  = 7. Trouble Shooting =
1747 1747  
1748 1748  == 7.1 Downlink doesn't work, how to solve it? ==
... ... @@ -1775,9 +1775,11 @@
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  
1780 1780  
1806 += 9.Packing Info =
1807 +
1808 +
1781 1781  **Package Includes**:
1782 1782  
1783 1783  * RS485-LN x 1
... ... @@ -1791,6 +1791,8 @@
1791 1791  * Package Size / pcs : 14.5 x 8 x 5 cm
1792 1792  * Weight / pcs : 170g
1793 1793  
1822 +
1823 +
1794 1794  = 10. FCC Caution for RS485LN-US915 =
1795 1795  
1796 1796  

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