Last modified by Bei Jinggeng on 2025/01/10 15:06
<
From version < 132.1 >
edited by Xiaoling
on 2024/09/28 10:26
To version < 110.1 >
edited by Bei Jinggeng
on 2023/12/26 15:08
>
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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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1 -(% style="text-align:center" %)
2 -[[image:image-20240928101253-2.jpeg||height="603" width="603"]]
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" %)​
3 3  
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 +)))
4 4  
5 5  
6 6  
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8 8  
9 9  
10 10  
11 -
12 12  **Table of Contents:**
13 13  
14 14  {{toc/}}
... ... @@ -47,10 +47,13 @@
47 47  )))
48 48  
49 49  (((
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" %)​
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]]
51 51  )))
52 52  
53 53  
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 +
54 54  == 1.2 Specifications ==
55 55  
56 56  
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129 129  v1.0: Release
130 130  )))
131 131  
132 -
133 -== 1.7 Pin Definitions ==
134 -
135 -
136 -The following diagram shows the V1.2 hardware version.
137 -
138 -[[image:image-20240925161141-1.jpeg||height="412" width="405"]]
139 -
140 -[[image:image-20240925161157-2.jpeg||height="367" width="545"]]
141 -
142 142  
143 143  )))
144 144  )))
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287 287  
288 288  ==== 3.3.2.1 Configure UART settings for RS485 communication ====
289 289  
290 -
291 291  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:
292 292  
293 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
294 -|=(% style="width: 126px; background-color:#4F81BD;color:white" %)(((
288 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
289 +|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
295 295  **AT Commands**
296 -)))|=(% style="width: 187px; background-color:#4F81BD;color:white" %)(((
291 +)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
297 297  **Description**
298 -)))|=(% style="width: 197px;background-color:#4F81BD;color:white" %)(((
293 +)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
299 299  **Example**
300 300  )))
301 301  |(% style="width:126px" %)(((
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358 358  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.
359 359  )))
360 360  
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**
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**
363 363  |(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
364 364  (((
365 365  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
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565 565  === 3.3.7 Uplink on Interrupt ===
566 566  
567 567  
568 -
569 569  RS485-LN support external Interrupt uplink since hardware v1.2 release.
570 570  
571 -(% 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"]]
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" %)​
572 572  
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.
573 573  
574 -==== 3.3.7.1 Set Interrupt Mode ====
575 575  
576 -
577 -Before using the interrupt function of the **INT** pin, users can set the interrupt triggering mode as required.
578 -
579 -(% style="color:blue" %)**AT command:**
580 -
581 -* (% style="color:#037691" %)**AT+INTMOD **(%%) ~/~/ Set the trigger interrupt mode
582 -
583 -* (% style="color:#037691" %)**AT+INTMOD=0 **(%%) ~/~/ Disable Interrupt
584 -
585 -* (% style="color:#037691" %)**AT+INTMOD=1 **(%%) ~/~/ Trigger by rising and falling edge
586 -
587 -* (% style="color:#037691" %)**AT+INTMOD=2 **(%%) ~/~/ Trigger by falling edge **(default)**
588 -
589 -* (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
590 -
591 -(% style="color:blue" %)**Downlink Commands: **(% style="color:#037691" %)**0x06**
592 -
593 -Format: Command Code (0x06) followed by 3 bytes.
594 -
595 -Example1:  Downlink Payload: **06 00 00 01    **~/~/ AT+INTMOD=1
596 -
597 -Example2:  Downlink Payload: **06 00 00 03    **~/~/AT+INTMOD=3
598 -
599 -
600 -==== 3.3.7.2 Practical application ====
601 -
602 -
603 -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**(%%):
604 -
605 -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.
606 -
607 -(% 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.**
608 -
609 -**Example:**
610 -
611 -* Use a dry contact to connect the (% style="color:blue" %)**INT**(%%) pin and (% style="color:blue" %)**VIN+**(%%) pin of the RS485-LN.
612 -
613 -When the dry contact is closed, INT and VIN+ conduct and INT is high.
614 -
615 -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.
616 -
617 -[[image:image-20240925174124-5.jpeg||height="439" width="703"]]
618 -
619 -* 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.)
620 -
621 -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.
622 -
623 -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
624 -
625 -high to low, at which time an interrupt is triggered (triggered along the falling edge), and the device will send an uplink data.
626 -
627 -[[image:image-20240925173243-4.jpeg||height="404" width="900"]]
628 -
629 -* Example of interrupt data in TTN.
630 -
631 -The first byte of the payload of the interrupted packet is (% style="color:blue" %)**0x81**(%%).
632 -
633 -[[image:image-20240925181010-1.png||height="348" width="953"]]
634 -
635 -
636 636  == 3.4 Uplink Payload ==
637 637  
638 638  
639 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
640 -|(% style="background-color:#4f81bd; color:white; width:70px" %)(((
573 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
574 +|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)(((
641 641  **Size(bytes)**
642 -)))|(% style="background-color:#4f81bd; color:white; width:80px" %)**1**|(% style="background-color:#4f81bd; color:white; width:360px" %)(((
576 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
643 643  **Length depends on the return from the commands**
644 644  )))
645 645  |(% style="width:90px" %)(((
... ... @@ -801,21 +801,31 @@
801 801  )))
802 802  
803 803  (((
804 -(% style="color:blue" %)**Example 2:**  (%%)
738 +(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
805 805  )))
806 806  
807 807  (((
808 -Check TTL Sensor return:
742 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
809 809  )))
810 810  
811 811  (((
746 +
747 +)))
748 +
812 812  (((
813 -[[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" %)​
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**
814 814  )))
753 +
754 +
815 815  )))
816 816  
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 +)))
817 817  
818 818  
762 +
819 819  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
820 820  
821 821  
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1441 1441  To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1442 1442  )))
1443 1443  
1444 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1445 -|=(% style="width: 156px; background-color:#4F81BD;color:white" %)(((
1388 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1389 +|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1446 1446  **Command example**
1447 -)))|=(% style="width: 355px; background-color:#4F81BD;color:white" %)(((
1391 +)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1448 1448  **Function**
1449 1449  )))
1450 1450  |(% style="width:156px" %)(((
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1523 1523  
1524 1524  
1525 1525  (% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1526 -|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**Button**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
1470 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Button**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1527 1527  |(% 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**
1528 1528  |(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1529 1529  |(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
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1532 1532  
1533 1533  
1534 1534  (% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1535 -|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**LEDs**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
1479 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**LEDs**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1536 1536  |PWR|Always on if there is power
1537 1537  |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.
1538 1538  
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1749 1749  1. Check if Modbus-MTU return back the expected result to RS485-LN.
1750 1750  1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1751 1751  
1752 -[[image:image-20240816112950-1.png||height="382" width="731"]]
1696 +[[image:image-20221130104310-1.png||height="380" width="680"]]
1753 1753  
1754 1754  
1755 1755  Example Connection:
... ... @@ -1871,36 +1871,12 @@
1871 1871  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1872 1872  
1873 1873  
1874 -== 7.2 Why customers can't join TTN V3 in US915 /AU915 bands? ==
1818 +== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1875 1875  
1876 1876  
1877 1877  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1878 1878  
1879 1879  
1880 -== 7.3 Why can't customers see the device's data in the server when the data is too long? ==
1881 -
1882 -This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
1883 -
1884 -Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
1885 -
1886 -[[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]]
1887 -
1888 -Example:
1889 -
1890 -[[image:image-20240620145456-1.png]]
1891 -
1892 -Please refer to the following command to fix DR
1893 -
1894 -AT+ADR=0
1895 -
1896 -AT+DR=3
1897 -
1898 -Downlink command:
1899 -
1900 -[[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]]
1901 -
1902 -
1903 -
1904 1904  = 8. Order Info =
1905 1905  
1906 1906  
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