Last modified by Bei Jinggeng on 2025/01/10 15:06
<
From version < 110.1 >
edited by Bei Jinggeng
on 2023/12/26 15:08
To version < 135.2 >
edited by Xiaoling
on 2024/09/28 10:44
>
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Summary

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Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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1 -(% aria-label="1653266934636-343.png image widget" contenteditable="false" role="region" tabindex="-1" %)
2 -(((
3 -(% data-widget="image" style="text-align:center" %)
4 -[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)​
1 +(% style="text-align:center" %)
2 +[[image:image-20240928101253-2.jpeg||height="603" width="603"]]
5 5  
6 -(% 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==||height="15" role="presentation" title="Click and drag to move" width="15"]]
7 -)))
8 8  
9 9  
10 10  
... ... @@ -12,6 +12,7 @@
12 12  
13 13  
14 14  
11 +
15 15  **Table of Contents:**
16 16  
17 17  {{toc/}}
... ... @@ -50,13 +50,10 @@
50 50  )))
51 51  
52 52  (((
53 -(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
50 +(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]](% title="Click and drag to resize" %)​
54 54  )))
55 55  
56 56  
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 -
59 -
60 60  == 1.2 Specifications ==
61 61  
62 62  
... ... @@ -135,6 +135,16 @@
135 135  v1.0: Release
136 136  )))
137 137  
132 +
133 +== 1.7 Pin Definitions ==
134 +
135 +
136 +The following diagram shows the V1.2 hardware version.
137 +
138 +[[image:image-20240928101253-2.jpeg||height="542" width="542"]]
139 +
140 +[[image:image-20240925161157-2.jpeg||height="367" width="545"]]
141 +
138 138  
139 139  )))
140 140  )))
... ... @@ -175,10 +175,10 @@
175 175  
176 176  Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
177 177  
182 +[[image:image-20240928102637-3.png||height="522" width="917"]]
178 178  
179 -(% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" 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" %)​
184 +(% 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"]]
180 180  
181 -
182 182  (((
183 183  (((
184 184  The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
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283 283  
284 284  ==== 3.3.2.1 Configure UART settings for RS485 communication ====
285 285  
290 +
286 286  To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. The related commands for UART settings are:
287 287  
288 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
289 -|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
293 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
294 +|=(% style="width: 126px; background-color:#4F81BD;color:white" %)(((
290 290  **AT Commands**
291 -)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
296 +)))|=(% style="width: 187px; background-color:#4F81BD;color:white" %)(((
292 292  **Description**
293 -)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
298 +)))|=(% style="width: 197px;background-color:#4F81BD;color:white" %)(((
294 294  **Example**
295 295  )))
296 296  |(% style="width:126px" %)(((
... ... @@ -353,8 +353,8 @@
353 353  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.
354 354  )))
355 355  
356 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
357 -|=(% 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**
361 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
362 +|=(% style="width: 122px; background-color:#4F81BD;color:white" %)**AT Commands**|=(% style="width: 198px; background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Example**
358 358  |(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
359 359  (((
360 360  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
... ... @@ -485,8 +485,6 @@
485 485  
486 486  (((
487 487  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
488 -
489 -
490 490  )))
491 491  
492 492  [[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
... ... @@ -538,10 +538,8 @@
538 538  (% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
539 539  
540 540  
541 -
542 542  Below are the uplink payloads:
543 543  
544 -
545 545  (% 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" %)​
546 546  
547 547  
... ... @@ -562,18 +562,78 @@
562 562  
563 563  RS485-LN support external Interrupt uplink since hardware v1.2 release.
564 564  
565 -(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.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" %)​
566 +(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.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"]]
566 566  
567 -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.
568 568  
569 +==== 3.3.7.1 Set Interrupt Mode ====
569 569  
571 +
572 +Before using the interrupt function of the **INT** pin, users can set the interrupt triggering mode as required.
573 +
574 +(% style="color:blue" %)**AT command:**
575 +
576 +* (% style="color:#037691" %)**AT+INTMOD **(%%) ~/~/ Set the trigger interrupt mode
577 +
578 +* (% style="color:#037691" %)**AT+INTMOD=0 **(%%) ~/~/ Disable Interrupt
579 +
580 +* (% style="color:#037691" %)**AT+INTMOD=1 **(%%) ~/~/ Trigger by rising and falling edge
581 +
582 +* (% style="color:#037691" %)**AT+INTMOD=2 **(%%) ~/~/ Trigger by falling edge **(default)**
583 +
584 +* (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
585 +
586 +(% style="color:blue" %)**Downlink Commands: **(% style="color:#037691" %)**0x06**
587 +
588 +Format: Command Code (0x06) followed by 3 bytes.
589 +
590 +Example1:  Downlink Payload: **06 00 00 01    **~/~/ AT+INTMOD=1
591 +
592 +Example2:  Downlink Payload: **06 00 00 03    **~/~/AT+INTMOD=3
593 +
594 +
595 +==== 3.3.7.2 Practical application ====
596 +
597 +
598 +The following uses the default interrupt triggering mode (% style="color:blue" %)**(AT+INTMOD=2)**(%%) as an example to show the interrupt function of (% style="color:blue" %)**INT**(%%):
599 +
600 +When a high voltage is given to the INT pin and then the level of the (% style="color:blue" %)**INT**(%%) pin changes from high to low, the interrupt is triggered by a falling edge and the RS485-LN sends an uplink data.
601 +
602 +(% style="color:red" %)**Note: The level that triggers the interrupt ranges from 3.3V to 24V. Generally, it is recommended to use less than 12V.**
603 +
604 +**Example:**
605 +
606 +* Use a dry contact to connect the (% style="color:blue" %)**INT**(%%) pin and (% style="color:blue" %)**VIN+**(%%) pin of the RS485-LN.
607 +
608 +When the dry contact is closed, INT and VIN+ conduct and INT is high.
609 +
610 +Disconnecting the dry contact, the level of the INT pin changes from high to low, triggering an interrupt (triggered along the falling edge), and the RS485-LN sends an uplink data.
611 +
612 +[[image:image-20240925174124-5.jpeg||height="439" width="703"]]
613 +
614 +* Use a regulated power supply or a wet contact to connect the 485-LN to trigger the interruption.(This section uses a regulated power supply as an example.)
615 +
616 +The positive pole of the stabilized power supply is connected to the (% style="color:blue" %)**INT**(%%) pin of RS485-LN, and the negative pole of the stabilized power supply is connected to the (% style="color:blue" %)**VIN-**(%%) pin of RS485-LN.
617 +
618 +When the regulated power supply is operating, a high voltage is given to the INT pin and the INT level is high. When the regulated power supply is turned off, the level of the INT pin changes from
619 +
620 +high to low, at which time an interrupt is triggered (triggered along the falling edge), and the device will send an uplink data.
621 +
622 +[[image:image-20240925173243-4.jpeg||height="404" width="900"]]
623 +
624 +* Example of interrupt data in TTN.
625 +
626 +The first byte of the payload of the interrupted packet is (% style="color:blue" %)**0x81**(%%).
627 +
628 +[[image:image-20240925181010-1.png||height="348" width="953"]]
629 +
630 +
570 570  == 3.4 Uplink Payload ==
571 571  
572 572  
573 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
574 -|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)(((
634 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
635 +|(% style="background-color:#4f81bd; color:white; width:70px" %)(((
575 575  **Size(bytes)**
576 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
637 +)))|(% style="background-color:#4f81bd; color:white; width:80px" %)**1**|(% style="background-color:#4f81bd; color:white; width:360px" %)(((
577 577  **Length depends on the return from the commands**
578 578  )))
579 579  |(% style="width:90px" %)(((
... ... @@ -735,31 +735,21 @@
735 735  )))
736 736  
737 737  (((
738 -(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
799 +(% style="color:blue" %)**Example 2:**  (%%)
739 739  )))
740 740  
741 741  (((
742 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
803 +Check TTL Sensor return:
743 743  )))
744 744  
745 745  (((
746 -
747 -)))
748 -
749 749  (((
750 -(((
751 -RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:  **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
808 +[[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/1654132684752-193.png?rev=1.1||alt="1654132684752-193.png"]](% title="Click and drag to resize" %)​
752 752  )))
753 -
754 -
755 755  )))
756 756  
757 -(((
758 - (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.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" %)​
759 -)))
760 760  
761 761  
762 -
763 763  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
764 764  
765 765  
... ... @@ -794,7 +794,6 @@
794 794  [[image:image-20220824145428-2.png||height="168" width="1300"]]
795 795  
796 796  
797 -
798 798  **2 )  if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.**
799 799  
800 800  
... ... @@ -1336,7 +1336,6 @@
1336 1336  
1337 1337  Example：
1338 1338  
1339 -
1340 1340  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1341 1341  
1342 1342  
... ... @@ -1374,10 +1374,10 @@
1374 1374  (((
1375 1375  RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
1376 1376  
1377 -
1426 +[[image:image-20240928104143-6.png||height="487" width="797"]]
1378 1378  )))
1379 1379  
1380 -(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% 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"]]
1429 +(% 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"]]
1381 1381  
1382 1382  (% title="Click and drag to resize" %)​
1383 1383  
... ... @@ -1385,10 +1385,10 @@
1385 1385  To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1386 1386  )))
1387 1387  
1388 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1389 -|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1437 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1438 +|=(% style="width: 156px; background-color:#4F81BD;color:white" %)(((
1390 1390  **Command example**
1391 -)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1440 +)))|=(% style="width: 355px; background-color:#4F81BD;color:white" %)(((
1392 1392  **Function**
1393 1393  )))
1394 1394  |(% style="width:156px" %)(((
... ... @@ -1457,7 +1457,6 @@
1457 1457  )))
1458 1458  
1459 1459  
1460 -
1461 1461  (((
1462 1462  (% 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.**
1463 1463  )))
... ... @@ -1467,7 +1467,7 @@
1467 1467  
1468 1468  
1469 1469  (% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1470 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Button**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1518 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**Button**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
1471 1471  |(% 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**
1472 1472  |(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1473 1473  |(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
... ... @@ -1476,7 +1476,7 @@
1476 1476  
1477 1477  
1478 1478  (% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1479 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**LEDs**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1527 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**LEDs**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
1480 1480  |PWR|Always on if there is power
1481 1481  |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.
1482 1482  
... ... @@ -1493,18 +1493,13 @@
1493 1493  
1494 1494  (((
1495 1495  RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
1496 -
1497 -
1498 1498  )))
1499 1499  
1500 1500  (% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.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" %)​
1501 1501  
1502 1502  
1503 -
1504 1504  (((
1505 1505  In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-LN. The default password is 123456. Below is the output for reference:
1506 -
1507 -
1508 1508  )))
1509 1509  
1510 1510  (% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.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" %)​
... ... @@ -1638,7 +1638,6 @@
1638 1638  (% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.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" %)​
1639 1639  
1640 1640  
1641 -
1642 1642  (% style="color:red" %)**Users can select the new burning software STM32Cubeprogramer for firmware upgrade and follow the same connection steps to enter burning mode (until SYS LED is RED ON):**
1643 1643  
1644 1644  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer]]
... ... @@ -1693,7 +1693,7 @@
1693 1693  1. Check if Modbus-MTU return back the expected result to RS485-LN.
1694 1694  1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1695 1695  
1696 -[[image:image-20221130104310-1.png||height="380" width="680"]]
1738 +[[image:image-20240816112950-1.png||height="382" width="731"]]
1697 1697  
1698 1698  
1699 1699  Example Connection:
... ... @@ -1815,12 +1815,36 @@
1815 1815  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1816 1816  
1817 1817  
1818 -== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1860 +== 7.2 Why customers can't join TTN V3 in US915 /AU915 bands? ==
1819 1819  
1820 1820  
1821 1821  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1822 1822  
1823 1823  
1866 +== 7.3 Why can't customers see the device's data in the server when the data is too long? ==
1867 +
1868 +
1869 +This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
1870 +
1871 +Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
1872 +
1873 +[[lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf>>url:https://lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf]]
1874 +
1875 +Example:
1876 +
1877 +[[image:image-20240620145456-1.png]]
1878 +
1879 +Please refer to the following command to fix DR
1880 +
1881 +AT+ADR=0
1882 +
1883 +AT+DR=3
1884 +
1885 +Downlink command:
1886 +
1887 +[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate]]
1888 +
1889 +
1824 1824  = 8. Order Info =
1825 1825  
1826 1826  
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