Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 79.5 >
edited by Xiaoling
on 2022/10/27 10:55
To version < 102.2 >
edited by Xiaoling
on 2023/04/25 09:31
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -28,9 +28,8 @@
28 28  
29 29  
30 30  
31 -= 1.Introduction =
31 += 1. Introduction =
32 32  
33 -
34 34  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
35 35  
36 36  
... ... @@ -58,13 +58,12 @@
58 58  (% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% 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" %)​
59 59  
60 60  
61 -
62 62  == 1.2 Specifications ==
63 63  
64 64  
65 65  (% style="color:#037691" %)**Hardware System:**
66 66  
67 -* STM32L072CZT6 MCU
65 +* STM32L072xxxx MCU
68 68  * SX1276/78 Wireless Chip 
69 69  * Power Consumption (exclude RS485 device):
70 70  ** Idle: 32mA@12v
... ... @@ -124,7 +124,6 @@
124 124  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
125 125  
126 126  
127 -
128 128  == 1.6 Hardware Change log ==
129 129  
130 130  
... ... @@ -138,7 +138,6 @@
138 138  v1.0: Release
139 139  )))
140 140  
141 -
142 142  
143 143  )))
144 144  )))
... ... @@ -158,13 +158,11 @@
158 158  
159 159  (% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.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" %)​
160 160  
161 -
162 162  
163 163  )))
164 164  
165 165  = 3. Operation Mode =
166 166  
167 -
168 168  == 3.1 How it works? ==
169 169  
170 170  
... ... @@ -173,7 +173,6 @@
173 173  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
174 174  )))
175 175  
176 -
177 177  
178 178  )))
179 179  
... ... @@ -262,7 +262,6 @@
262 262  (% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% 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" %)​
263 263  
264 264  
265 -
266 266  == 3.3 Configure Commands to read data ==
267 267  
268 268  
... ... @@ -280,7 +280,6 @@
280 280  (% style="color:red" %)**Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1**
281 281  )))
282 282  
283 -
284 284  
285 285  )))
286 286  )))
... ... @@ -291,12 +291,12 @@
291 291  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:
292 292  
293 293  
294 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
295 -|=(% style="width: 110px;" %)(((
285 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
286 +|=(% style="width: 120px;background-color:#D9E2F3;color:#0070C0" %)(((
296 296  **AT Commands**
297 -)))|=(% style="width: 210px;" %)(((
288 +)))|=(% style="width: 200px;background-color:#D9E2F3;color:#0070C0" %)(((
298 298  **Description**
299 -)))|=(% style="width: 190px;" %)(((
290 +)))|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)(((
300 300  **Example**
301 301  )))
302 302  |(% style="width:110px" %)(((
... ... @@ -408,7 +408,7 @@
408 408  
409 409  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
410 410  |(% style="width:496px" %)(((
411 -(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
402 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
412 412  
413 413  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
414 414  
... ... @@ -450,7 +450,6 @@
450 450  
451 451  (% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.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" %)​
452 452  
453 -
454 454  
455 455  )))
456 456  
... ... @@ -494,11 +494,15 @@
494 494  Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
495 495  
496 496  
497 -1. PAYVER: Defined by AT+PAYVER
498 -1. PAYLOAD COUNT: Total how many uplinks of this sampling.
499 -1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
500 -1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
487 +~1. PAYVER: Defined by AT+PAYVER
501 501  
489 +2. PAYLOAD COUNT: Total how many uplinks of this sampling.
490 +
491 +3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
492 +
493 +4. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
494 +
495 +
502 502  (% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.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" %)​
503 503  
504 504  
... ... @@ -535,7 +535,6 @@
535 535  (% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.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" %)​
536 536  
537 537  
538 -
539 539  === 3.3.5 Uplink on demand ===
540 540  
541 541  
... ... @@ -548,7 +548,6 @@
548 548  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
549 549  
550 550  
551 -
552 552  === 3.3.6 Uplink on Interrupt ===
553 553  
554 554  
... ... @@ -560,17 +560,16 @@
560 560  Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
561 561  
562 562  
563 -
564 564  == 3.4 Uplink Payload ==
565 565  
566 566  
567 567  (% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
568 -|(% style="width:60px" %)(((
559 +|=(% scope="row" style="width: 60px;" %)(((
569 569  Size(bytes)
570 570  )))|(% style="width:80px" %)1|(% style="width:360px" %)(((
571 571  Length depends on the return from the commands
572 572  )))
573 -|(% style="width:90px" %)(((
564 +|=(% style="width: 90px;" %)(((
574 574  Value
575 575  )))|(% style="width:114px" %)(((
576 576  PAYLOAD_VER
... ... @@ -589,7 +589,6 @@
589 589  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
590 590  
591 591  
592 -
593 593  == 3.5 Configure RS485-LN via AT or Downlink ==
594 594  
595 595  
... ... @@ -614,7 +614,6 @@
614 614  )))
615 615  
616 616  
617 -
618 618  === 3.5.1 Common Commands ===
619 619  
620 620  
... ... @@ -621,7 +621,6 @@
621 621  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
622 622  
623 623  
624 -
625 625  === 3.5.2 Downlink Response(Since firmware v1.4) ===
626 626  
627 627  
... ... @@ -635,12 +635,10 @@
635 635  The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
636 636  
637 637  
638 -
639 639  === 3.5.3 Sensor related commands ===
640 640  
641 641  
642 642  
643 -
644 644  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
645 645  
646 646  
... ... @@ -763,7 +763,6 @@
763 763  
764 764  
765 765  
766 -
767 767  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
768 768  
769 769  
... ... @@ -806,7 +806,6 @@
806 806  
807 807  
808 808  
809 -
810 810  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
811 811  
812 812  
... ... @@ -891,7 +891,6 @@
891 891  
892 892  
893 893  
894 -
895 895  ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
896 896  
897 897  
... ... @@ -935,7 +935,6 @@
935 935  
936 936  
937 937  
938 -
939 939  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
940 940  
941 941  
... ... @@ -972,7 +972,7 @@
972 972  )))
973 973  
974 974  (((
975 -(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
957 +(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
976 976  )))
977 977  
978 978  (((
... ... @@ -982,12 +982,11 @@
982 982  )))
983 983  
984 984  (((
985 -**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
967 +**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
986 986  )))
987 987  
988 988  
989 989  
990 -
991 991  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
992 992  
993 993  
... ... @@ -1042,7 +1042,6 @@
1042 1042  
1043 1043  
1044 1044  
1045 -
1046 1046  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1047 1047  
1048 1048  
... ... @@ -1072,7 +1072,6 @@
1072 1072  
1073 1073  
1074 1074  
1075 -
1076 1076  ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1077 1077  
1078 1078  
... ... @@ -1121,7 +1121,6 @@
1121 1121  
1122 1122  
1123 1123  
1124 -
1125 1125  ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1126 1126  
1127 1127  
... ... @@ -1182,27 +1182,30 @@
1182 1182  )))
1183 1183  
1184 1184  
1163 +
1164 +
1185 1185  ==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1186 1186  
1167 +
1187 1187  * (((
1188 1188  (% style="color:#037691" %)** AT Command:**
1189 1189  )))
1190 1190  
1191 -**~ AT+DATABIT=7    **~/~/ Set the data bits to 7
1172 +(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1192 1192  
1193 -**~ AT+DATABIT=8    **~/~/ Set the data bits to 8
1174 +(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1194 1194  
1195 1195  * (((
1196 1196  (% style="color:#037691" %)**Downlink Payload:**
1197 1197  )))
1198 1198  
1199 -**~ A7 04 07**: Same as  AT+DATABIT=7
1180 +(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1200 1200  
1201 -**~ A7 04 08**: Same as  AT+DATABIT=8
1182 +(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1202 1202  
1203 1203  
1204 1204  
1205 -==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1186 +==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
1206 1206  
1207 1207  (((
1208 1208  
... ... @@ -1218,10 +1218,9 @@
1218 1218  
1219 1219  
1220 1220  
1202 +==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
1221 1221  
1222 -==== (% style="color:blue" %)**Get sensor value**(%%) ====
1223 1223  
1224 -
1225 1225  * (((
1226 1226  (% style="color:#037691" %)** AT Command:**
1227 1227  )))
... ... @@ -1232,10 +1232,9 @@
1232 1232  
1233 1233  
1234 1234  
1215 +==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
1235 1235  
1236 -==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1237 1237  
1238 -
1239 1239  * (((
1240 1240  (% style="color:#037691" %)** AT Command:**
1241 1241  )))
... ... @@ -1246,10 +1246,9 @@
1246 1246  
1247 1247  
1248 1248  
1228 +==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
1249 1249  
1250 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1251 1251  
1252 -
1253 1253  * (((
1254 1254  (% style="color:#037691" %)** AT Command:**
1255 1255  )))
... ... @@ -1267,10 +1267,9 @@
1267 1267  
1268 1268  
1269 1269  
1248 +==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
1270 1270  
1271 -==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1272 1272  
1273 -
1274 1274  * (((
1275 1275  (% style="color:#037691" %)** AT Command:**
1276 1276  )))
... ... @@ -1292,10 +1292,9 @@
1292 1292  
1293 1293  
1294 1294  
1272 +==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
1295 1295  
1296 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1297 1297  
1298 -
1299 1299  (((
1300 1300  * (% style="color:#037691" %)**Downlink Payload:**
1301 1301  
... ... @@ -1310,10 +1310,9 @@
1310 1310  
1311 1311  
1312 1312  
1289 +==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
1313 1313  
1314 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1315 1315  
1316 -
1317 1317  * (((
1318 1318  (% style="color:#037691" %)** AT Command:**
1319 1319  )))
... ... @@ -1334,7 +1334,6 @@
1334 1334  [[image:image-20220824144240-1.png]]
1335 1335  
1336 1336  
1337 -
1338 1338  == 3.6 Listening mode for RS485 network ==
1339 1339  
1340 1340  
... ... @@ -1414,15 +1414,15 @@
1414 1414  )))
1415 1415  
1416 1416  (((
1417 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1391 +The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1418 1418  )))
1419 1419  
1420 1420  (((
1421 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1395 +And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1422 1422  )))
1423 1423  
1424 1424  (((
1425 -RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1399 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b  **(% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1426 1426  
1427 1427  
1428 1428  )))
... ... @@ -1442,12 +1442,11 @@
1442 1442  )))
1443 1443  
1444 1444  
1445 -
1446 1446  == 3.7 Buttons ==
1447 1447  
1448 1448  
1449 1449  (% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1450 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1423 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1451 1451  |(% 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**
1452 1452  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1453 1453  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
... ... @@ -1466,10 +1466,8 @@
1466 1466  User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
1467 1467  
1468 1468  
1469 -
1470 1470  = 5. Use AT Command =
1471 1471  
1472 -
1473 1473  == 5.1 Access AT Command ==
1474 1474  
1475 1475  
... ... @@ -1497,10 +1497,8 @@
1497 1497  )))
1498 1498  
1499 1499  
1500 -
1501 1501  == 5.2 Common AT Command Sequence ==
1502 1502  
1503 -
1504 1504  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1505 1505  
1506 1506  
... ... @@ -1517,8 +1517,6 @@
1517 1517  
1518 1518  * (% style="color:#037691" %)**AT+NJM=0**
1519 1519  * (% style="color:#037691" %)**ATZ**
1520 -
1521 -
1522 1522  )))
1523 1523  
1524 1524  
... ... @@ -1561,10 +1561,8 @@
1561 1561  (% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.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" %)​
1562 1562  
1563 1563  
1564 -
1565 1565  = 6. FAQ =
1566 1566  
1567 -
1568 1568  == 6.1 How to upgrade the image? ==
1569 1569  
1570 1570  
... ... @@ -1631,7 +1631,6 @@
1631 1631  (% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.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" %)​
1632 1632  
1633 1633  
1634 -
1635 1635  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1636 1636  
1637 1637  
... ... @@ -1638,7 +1638,6 @@
1638 1638  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1639 1639  
1640 1640  
1641 -
1642 1642  == 6.3 How many RS485-Slave can RS485-LN connects? ==
1643 1643  
1644 1644  
... ... @@ -1645,7 +1645,6 @@
1645 1645  The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1646 1646  
1647 1647  
1648 -
1649 1649  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1650 1650  
1651 1651  
... ... @@ -1654,14 +1654,12 @@
1654 1654  Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1655 1655  
1656 1656  
1657 -
1658 1658  == 6.5 Can i use point to point communication for RS485-LN? ==
1659 1659  
1660 1660  
1661 -Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1622 +Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]，then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1662 1662  
1663 1663  
1664 -
1665 1665  == 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1666 1666  
1667 1667  
... ... @@ -1668,10 +1668,123 @@
1668 1668  [[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]]
1669 1669  
1670 1670  
1631 +== 6.7 How to judge whether there is a problem with the set COMMAND ==
1671 1671  
1672 -= 7. Trouble Shooting =
1633 +=== 6.7.1 Introduce: ===
1673 1673  
1674 1674  
1636 +Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
1637 +
1638 +1. Test if Modbus-MTU works with PC commands.
1639 +1. Check if RS485-LN sent the expected command to Mobus-MTU
1640 +1. Check if Modbus-MTU return back the expected result to RS485-LN.
1641 +1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1642 +
1643 +[[image:image-20221130104310-1.png||height="380" width="680"]]
1644 +
1645 +
1646 +Example Connection:
1647 +
1648 +[[image:image-20221130104310-2.png]]
1649 +
1650 +
1651 +=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1652 +
1653 +
1654 +(% style="color:red" %)**Note: Receive and send set to hex mode**
1655 +
1656 +[[image:image-20221130104310-3.png||height="616" width="714"]]
1657 +
1658 +
1659 +=== 6.7.3 With ModRSsim2: ===
1660 +
1661 +
1662 +(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1663 +
1664 +[[image:image-20221130104310-4.png||height="390" width="865"]]
1665 +
1666 +
1667 +(% style="color:blue" %)**(2) Click the serial port icon**
1668 +
1669 +[[image:image-20221130104310-5.png||height="392" width="870"]]
1670 +
1671 +
1672 +(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1673 +
1674 +[[image:image-20221130104310-6.png]]
1675 +
1676 +
1677 +(% style="color:blue" %)**(4) Click the comms.**
1678 +
1679 +[[image:image-20221130104310-7.png||height="376" width="835"]]
1680 +
1681 +(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1682 +**Run RS485-LN/BL command and monitor if it is correct.**
1683 +
1684 +
1685 +=== 6.7.4 Example – Test the CFGDEV command ===
1686 +
1687 +
1688 +RS485-LN sent below command:
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.
1691 +
1692 +
1693 +We can see the output from the Serial port tool to analyze. And check if they are expected result.
1694 +
1695 +[[image:image-20221130104310-8.png||height="214" width="797"]]
1696 +
1697 +
1698 +We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1699 +
1700 +[[image:image-20221130104310-9.png||height="531" width="729"]]
1701 +
1702 +
1703 +=== 6.7.5 Example – Test CMD command sets. ===
1704 +
1705 +
1706 +Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1707 +
1708 +
1709 +(% style="color:blue" %)**Serial port tool:**
1710 +
1711 +[[image:image-20221130104310-10.png||height="339" width="844"]]
1712 +
1713 +
1714 +(% style="color:blue" %)**ModRSsim2:**
1715 +
1716 +[[image:image-20221130104310-11.png||height="281" width="962"]]
1717 +
1718 +
1719 +=== 6.7.6 Test with PC ===
1720 +
1721 +
1722 +If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
1723 +
1724 +
1725 +Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1726 +
1727 +(% style="color:blue" %)**Connection method：**
1728 +
1729 +[[image:image-20221130104310-12.png]]
1730 +
1731 +
1732 +(% style="color:blue" %)**Link situation:**
1733 +
1734 +[[image:image-20221130104310-13.png||height="458" width="486"]]
1735 +
1736 +
1737 +[[image:image-20221130104310-14.png||height="371" width="823"]]
1738 +
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 += 7. Trouble Shooting =
1747 +
1675 1675  == 7.1 Downlink doesn't work, how to solve it? ==
1676 1676  
1677 1677  
... ... @@ -1678,7 +1678,6 @@
1678 1678  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1679 1679  
1680 1680  
1681 -
1682 1682  == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1683 1683  
1684 1684  
... ... @@ -1685,7 +1685,6 @@
1685 1685  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1686 1686  
1687 1687  
1688 -
1689 1689  = 8. Order Info =
1690 1690  
1691 1691  
... ... @@ -1704,7 +1704,7 @@
1704 1704  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1705 1705  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1706 1706  
1707 -= 9.Packing Info =
1778 += 9. Packing Info =
1708 1708  
1709 1709  
1710 1710  **Package Includes**:
... ... @@ -1772,7 +1772,6 @@
1772 1772  )))
1773 1773  
1774 1774  
1775 -
1776 1776  = 11. Support =
1777 1777  
1778 1778  
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