Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 99.3 >
edited by Xiaoling
on 2022/12/07 11:38
To version < 79.4 >
edited by Xiaoling
on 2022/10/27 10:53
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -28,8 +28,9 @@
28 28  
29 29  
30 30  
31 -= 1. Introduction =
31 += 1.Introduction =
32 32  
33 +
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 35  
... ... @@ -57,12 +57,13 @@
57 57  (% 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" %)​
58 58  
59 59  
61 +
60 60  == 1.2 Specifications ==
61 61  
62 62  
63 63  (% style="color:#037691" %)**Hardware System:**
64 64  
65 -* STM32L072xxxx MCU
67 +* STM32L072CZT6 MCU
66 66  * SX1276/78 Wireless Chip 
67 67  * Power Consumption (exclude RS485 device):
68 68  ** Idle: 32mA@12v
... ... @@ -94,8 +94,6 @@
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 -
99 99  == 1.3 Features ==
100 100  
101 101  
... ... @@ -108,8 +108,6 @@
108 108  * Support Modbus protocol
109 109  * Support Interrupt uplink (Since hardware version v1.2)
110 110  
111 -
112 -
113 113  == 1.4 Applications ==
114 114  
115 115  
... ... @@ -120,8 +120,6 @@
120 120  * Smart Cities
121 121  * Smart Factory
122 122  
123 -
124 -
125 125  == 1.5 Firmware Change log ==
126 126  
127 127  
... ... @@ -142,6 +142,7 @@
142 142  v1.0: Release
143 143  )))
144 144  
141 +
145 145  
146 146  )))
147 147  )))
... ... @@ -161,11 +161,13 @@
161 161  
162 162  (% 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" %)​
163 163  
161 +
164 164  
165 165  )))
166 166  
167 167  = 3. Operation Mode =
168 168  
167 +
169 169  == 3.1 How it works? ==
170 170  
171 171  
... ... @@ -174,6 +174,7 @@
174 174  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.
175 175  )))
176 176  
176 +
177 177  
178 178  )))
179 179  
... ... @@ -262,6 +262,7 @@
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 +
265 265  == 3.3 Configure Commands to read data ==
266 266  
267 267  
... ... @@ -279,6 +279,7 @@
279 279  (% 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**
280 280  )))
281 281  
283 +
282 282  
283 283  )))
284 284  )))
... ... @@ -347,8 +347,6 @@
347 347  )))
348 348  )))
349 349  
350 -
351 -
352 352  === 3.3.2 Configure sensors ===
353 353  
354 354  
... ... @@ -376,8 +376,6 @@
376 376  )))
377 377  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
378 378  
379 -
380 -
381 381  === 3.3.3 Configure read commands for each sampling ===
382 382  
383 383  
... ... @@ -410,7 +410,7 @@
410 410  
411 411  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
412 412  |(% style="width:496px" %)(((
413 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
411 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
414 414  
415 415  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
416 416  
... ... @@ -452,6 +452,7 @@
452 452  
453 453  (% 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" %)​
454 454  
453 +
455 455  
456 456  )))
457 457  
... ... @@ -495,15 +495,11 @@
495 495  Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
496 496  
497 497  
498 -~1. PAYVER: Defined by AT+PAYVER
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
499 499  
500 -2. PAYLOAD COUNT: Total how many uplinks of this sampling.
501 -
502 -3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
503 -
504 -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
505 -
506 -
507 507  (% 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" %)​
508 508  
509 509  
... ... @@ -540,6 +540,7 @@
540 540  (% 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" %)​
541 541  
542 542  
538 +
543 543  === 3.3.5 Uplink on demand ===
544 544  
545 545  
... ... @@ -552,6 +552,7 @@
552 552  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
553 553  
554 554  
551 +
555 555  === 3.3.6 Uplink on Interrupt ===
556 556  
557 557  
... ... @@ -563,16 +563,17 @@
563 563  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.
564 564  
565 565  
563 +
566 566  == 3.4 Uplink Payload ==
567 567  
568 568  
569 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
570 -|=(% scope="row" style="width: 60px;" %)(((
567 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
568 +|(% style="width:90px" %)(((
571 571  Size(bytes)
572 -)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
570 +)))|(% style="width:114px" %)1|(% style="width:353px" %)(((
573 573  Length depends on the return from the commands
574 574  )))
575 -|=(% style="width: 90px;" %)(((
573 +|(% style="width:90px" %)(((
576 576  Value
577 577  )))|(% style="width:114px" %)(((
578 578  PAYLOAD_VER
... ... @@ -591,6 +591,7 @@
591 591  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
592 592  
593 593  
592 +
594 594  == 3.5 Configure RS485-LN via AT or Downlink ==
595 595  
596 596  
... ... @@ -615,6 +615,7 @@
615 615  )))
616 616  
617 617  
617 +
618 618  === 3.5.1 Common Commands ===
619 619  
620 620  
... ... @@ -621,6 +621,7 @@
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 +
624 624  === 3.5.2 Downlink Response(Since firmware v1.4) ===
625 625  
626 626  
... ... @@ -634,10 +634,12 @@
634 634  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)
635 635  
636 636  
638 +
637 637  === 3.5.3 Sensor related commands ===
638 638  
639 639  
640 640  
643 +
641 641  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
642 642  
643 643  
... ... @@ -760,6 +760,7 @@
760 760  
761 761  
762 762  
766 +
763 763  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
764 764  
765 765  
... ... @@ -802,6 +802,7 @@
802 802  
803 803  
804 804  
809 +
805 805  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
806 806  
807 807  
... ... @@ -886,6 +886,7 @@
886 886  
887 887  
888 888  
894 +
889 889  ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
890 890  
891 891  
... ... @@ -929,6 +929,7 @@
929 929  
930 930  
931 931  
938 +
932 932  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
933 933  
934 934  
... ... @@ -980,6 +980,7 @@
980 980  
981 981  
982 982  
990 +
983 983  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
984 984  
985 985  
... ... @@ -1034,6 +1034,7 @@
1034 1034  
1035 1035  
1036 1036  
1045 +
1037 1037  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1038 1038  
1039 1039  
... ... @@ -1063,6 +1063,7 @@
1063 1063  
1064 1064  
1065 1065  
1075 +
1066 1066  ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1067 1067  
1068 1068  
... ... @@ -1111,6 +1111,7 @@
1111 1111  
1112 1112  
1113 1113  
1124 +
1114 1114  ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1115 1115  
1116 1116  
... ... @@ -1171,26 +1171,23 @@
1171 1171  )))
1172 1172  
1173 1173  
1174 -
1175 -
1176 1176  ==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1177 1177  
1178 -
1179 1179  * (((
1180 1180  (% style="color:#037691" %)** AT Command:**
1181 1181  )))
1182 1182  
1183 -(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1191 +**~ AT+DATABIT=7    **~/~/ Set the data bits to 7
1184 1184  
1185 -(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1193 +**~ AT+DATABIT=8    **~/~/ Set the data bits to 8
1186 1186  
1187 1187  * (((
1188 1188  (% style="color:#037691" %)**Downlink Payload:**
1189 1189  )))
1190 1190  
1191 -(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1199 +**~ A7 04 07**: Same as  AT+DATABIT=7
1192 1192  
1193 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1201 +**~ A7 04 08**: Same as  AT+DATABIT=8
1194 1194  
1195 1195  
1196 1196  
... ... @@ -1210,6 +1210,7 @@
1210 1210  
1211 1211  
1212 1212  
1221 +
1213 1213  ==== (% style="color:blue" %)**Get sensor value**(%%) ====
1214 1214  
1215 1215  
... ... @@ -1223,6 +1223,7 @@
1223 1223  
1224 1224  
1225 1225  
1235 +
1226 1226  ==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1227 1227  
1228 1228  
... ... @@ -1236,6 +1236,7 @@
1236 1236  
1237 1237  
1238 1238  
1249 +
1239 1239  ==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1240 1240  
1241 1241  
... ... @@ -1256,9 +1256,10 @@
1256 1256  
1257 1257  
1258 1258  
1259 -==== (% style="color:blue" %)**Copy downlink to uplink **(%%) ====
1260 1260  
1271 +==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1261 1261  
1273 +
1262 1262  * (((
1263 1263  (% style="color:#037691" %)** AT Command:**
1264 1264  )))
... ... @@ -1280,6 +1280,7 @@
1280 1280  
1281 1281  
1282 1282  
1295 +
1283 1283  ==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1284 1284  
1285 1285  
... ... @@ -1297,6 +1297,7 @@
1297 1297  
1298 1298  
1299 1299  
1313 +
1300 1300  ==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1301 1301  
1302 1302  
... ... @@ -1320,6 +1320,7 @@
1320 1320  [[image:image-20220824144240-1.png]]
1321 1321  
1322 1322  
1337 +
1323 1323  == 3.6 Listening mode for RS485 network ==
1324 1324  
1325 1325  
... ... @@ -1399,15 +1399,15 @@
1399 1399  )))
1400 1400  
1401 1401  (((
1402 -The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1417 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1403 1403  )))
1404 1404  
1405 1405  (((
1406 -And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1421 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1407 1407  )))
1408 1408  
1409 1409  (((
1410 -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**
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
1411 1411  
1412 1412  
1413 1413  )))
... ... @@ -1427,17 +1427,16 @@
1427 1427  )))
1428 1428  
1429 1429  
1445 +
1430 1430  == 3.7 Buttons ==
1431 1431  
1432 1432  
1433 1433  (% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1434 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1450 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1435 1435  |(% 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**
1436 1436  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1437 1437  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1438 1438  
1439 -
1440 -
1441 1441  == 3.8 LEDs ==
1442 1442  
1443 1443  
... ... @@ -1446,8 +1446,6 @@
1446 1446  |**PWR**|Always on if there is power
1447 1447  |**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.
1448 1448  
1449 -
1450 -
1451 1451  = 4. Case Study =
1452 1452  
1453 1453  
... ... @@ -1454,8 +1454,10 @@
1454 1454  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]]
1455 1455  
1456 1456  
1469 +
1457 1457  = 5. Use AT Command =
1458 1458  
1472 +
1459 1459  == 5.1 Access AT Command ==
1460 1460  
1461 1461  
... ... @@ -1483,8 +1483,10 @@
1483 1483  )))
1484 1484  
1485 1485  
1500 +
1486 1486  == 5.2 Common AT Command Sequence ==
1487 1487  
1503 +
1488 1488  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1489 1489  
1490 1490  
... ... @@ -1501,6 +1501,8 @@
1501 1501  
1502 1502  * (% style="color:#037691" %)**AT+NJM=0**
1503 1503  * (% style="color:#037691" %)**ATZ**
1520 +
1521 +
1504 1504  )))
1505 1505  
1506 1506  
... ... @@ -1543,8 +1543,10 @@
1543 1543  (% 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" %)​
1544 1544  
1545 1545  
1564 +
1546 1546  = 6. FAQ =
1547 1547  
1567 +
1548 1548  == 6.1 How to upgrade the image? ==
1549 1549  
1550 1550  
... ... @@ -1611,6 +1611,7 @@
1611 1611  (% 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" %)​
1612 1612  
1613 1613  
1634 +
1614 1614  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1615 1615  
1616 1616  
... ... @@ -1617,6 +1617,7 @@
1617 1617  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1618 1618  
1619 1619  
1641 +
1620 1620  == 6.3 How many RS485-Slave can RS485-LN connects? ==
1621 1621  
1622 1622  
... ... @@ -1623,6 +1623,7 @@
1623 1623  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"]].
1624 1624  
1625 1625  
1648 +
1626 1626  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1627 1627  
1628 1628  
... ... @@ -1631,12 +1631,14 @@
1631 1631  Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1632 1632  
1633 1633  
1657 +
1634 1634  == 6.5 Can i use point to point communication for RS485-LN? ==
1635 1635  
1636 1636  
1637 -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]].
1661 +Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1638 1638  
1639 1639  
1664 +
1640 1640  == 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1641 1641  
1642 1642  
... ... @@ -1643,123 +1643,10 @@
1643 1643  [[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/]]
1644 1644  
1645 1645  
1646 -== 6.7 How to judge whether there is a problem with the set COMMAND ==
1647 1647  
1648 -=== 6.7.1 Introduce: ===
1649 -
1650 -
1651 -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:
1652 -
1653 -1. Test if Modbus-MTU works with PC commands.
1654 -1. Check if RS485-LN sent the expected command to Mobus-MTU
1655 -1. Check if Modbus-MTU return back the expected result to RS485-LN.
1656 -1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1657 -
1658 -[[image:image-20221130104310-1.png||height="380" width="680"]]
1659 -
1660 -
1661 -Example Connection:
1662 -
1663 -[[image:image-20221130104310-2.png]]
1664 -
1665 -
1666 -=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1667 -
1668 -
1669 -(% style="color:red" %)**Note: Receive and send set to hex mode**
1670 -
1671 -[[image:image-20221130104310-3.png||height="616" width="714"]]
1672 -
1673 -
1674 -=== 6.7.3 With ModRSsim2: ===
1675 -
1676 -
1677 -(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1678 -
1679 -[[image:image-20221130104310-4.png||height="390" width="865"]]
1680 -
1681 -
1682 -(% style="color:blue" %)**(2) Click the serial port icon**
1683 -
1684 -[[image:image-20221130104310-5.png||height="392" width="870"]]
1685 -
1686 -
1687 -(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1688 -
1689 -[[image:image-20221130104310-6.png]]
1690 -
1691 -
1692 -(% style="color:blue" %)**(4) Click the comms.**
1693 -
1694 -[[image:image-20221130104310-7.png||height="376" width="835"]]
1695 -
1696 -(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1697 -**Run RS485-LN/BL command and monitor if it is correct.**
1698 -
1699 -
1700 -=== 6.7.4 Example – Test the CFGDEV command ===
1701 -
1702 -
1703 -RS485-LN sent below command:
1704 -
1705 -(% 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.
1706 -
1707 -
1708 -We can see the output from the Serial port tool to analyze. And check if they are expected result.
1709 -
1710 -[[image:image-20221130104310-8.png||height="214" width="797"]]
1711 -
1712 -
1713 -We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1714 -
1715 -[[image:image-20221130104310-9.png||height="531" width="729"]]
1716 -
1717 -
1718 -=== 6.7.5 Example – Test CMD command sets. ===
1719 -
1720 -
1721 -Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1722 -
1723 -
1724 -(% style="color:blue" %)**Serial port tool:**
1725 -
1726 -[[image:image-20221130104310-10.png||height="339" width="844"]]
1727 -
1728 -
1729 -(% style="color:blue" %)**ModRSsim2:**
1730 -
1731 -[[image:image-20221130104310-11.png||height="281" width="962"]]
1732 -
1733 -
1734 -=== 6.7.6 Test with PC ===
1735 -
1736 -
1737 -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.
1738 -
1739 -
1740 -Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1741 -
1742 -(% style="color:blue" %)**Connection method：**
1743 -
1744 -[[image:image-20221130104310-12.png]]
1745 -
1746 -
1747 -(% style="color:blue" %)**Link situation:**
1748 -
1749 -[[image:image-20221130104310-13.png||height="458" width="486"]]
1750 -
1751 -
1752 -[[image:image-20221130104310-14.png||height="371" width="823"]]
1753 -
1754 -
1755 -== 6.8 Where to get the decoder for RS485-LN? ==
1756 -
1757 -
1758 -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)
1759 -
1760 -
1761 1761  = 7. Trouble Shooting =
1762 1762  
1674 +
1763 1763  == 7.1 Downlink doesn't work, how to solve it? ==
1764 1764  
1765 1765  
... ... @@ -1766,6 +1766,7 @@
1766 1766  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1767 1767  
1768 1768  
1681 +
1769 1769  == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1770 1770  
1771 1771  
... ... @@ -1772,6 +1772,7 @@
1772 1772  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1773 1773  
1774 1774  
1688 +
1775 1775  = 8. Order Info =
1776 1776  
1777 1777  
... ... @@ -1790,11 +1790,9 @@
1790 1790  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1791 1791  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1792 1792  
1707 += 9.Packing Info =
1793 1793  
1794 1794  
1795 -= 9. Packing Info =
1796 -
1797 -
1798 1798  **Package Includes**:
1799 1799  
1800 1800  * RS485-LN x 1
... ... @@ -1808,8 +1808,6 @@
1808 1808  * Package Size / pcs : 14.5 x 8 x 5 cm
1809 1809  * Weight / pcs : 170g
1810 1810  
1811 -
1812 -
1813 1813  = 10. FCC Caution for RS485LN-US915 =
1814 1814  
1815 1815  
... ... @@ -1862,6 +1862,7 @@
1862 1862  )))
1863 1863  
1864 1864  
1775 +
1865 1865  = 11. Support =
1866 1866  
1867 1867  
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