Last modified by Bei Jinggeng on 2025/01/10 15:06
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From version < 123.1 >
edited by Mengting Qiu
on 2024/09/25 17:32
To version < 110.1 >
edited by Bei Jinggeng
on 2023/12/26 15:08
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135 135  v1.0: Release
136 136  )))
137 137  
138 -
139 -== 1.7 Pin Definitions ==
140 -
141 -
142 -The following diagram shows the V1.2 hardware version.
143 -
144 -[[image:image-20240925161141-1.jpeg||height="412" width="405"]]
145 -
146 -[[image:image-20240925161157-2.jpeg||height="367" width="545"]]
147 -
148 148  
149 149  )))
150 150  )))
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293 293  
294 294  ==== 3.3.2.1 Configure UART settings for RS485 communication ====
295 295  
296 -
297 297  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:
298 298  
299 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
300 -|=(% 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" %)(((
301 301  **AT Commands**
302 -)))|=(% style="width: 187px; background-color:#4F81BD;color:white" %)(((
291 +)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
303 303  **Description**
304 -)))|=(% style="width: 197px;background-color:#4F81BD;color:white" %)(((
293 +)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
305 305  **Example**
306 306  )))
307 307  |(% style="width:126px" %)(((
... ... @@ -364,8 +364,8 @@
364 364  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.
365 365  )))
366 366  
367 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
368 -|=(% 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**
369 369  |(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
370 370  (((
371 371  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
... ... @@ -573,35 +573,18 @@
573 573  
574 574  RS485-LN support external Interrupt uplink since hardware v1.2 release.
575 575  
576 -(% 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" %)​
577 577  
578 -(% title="Click and drag to resize" %)​(%%)When there is a high voltage (3.3v and above, the maximum is 24V, but not more than 12v is recommended) on (% style="color:blue" %)**INT**(%%) pin. At this point, an interrupt is triggered and the Device will send an uplink packet.
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.
579 579  
580 -**Example:**
581 581  
582 -* Use a dry contact to connect the (% style="color:blue" %)**INT**(%%) pin and (% style="color:blue" %)**VIN+**(%%) pin of the RS485-LN.
583 -
584 -When the dry contact is closed, INT and VIN+ conduct, and INT goes high, which triggers an interrupt, and the node sends an uplink data.
585 -
586 -[[image:image-20240925164510-3.jpeg||height="414" width="656"]]
587 -
588 -* 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.)
589 -
590 -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.
591 -
592 -When the regulated power supply is turned on, given a high voltage to the INT pin, an interrupt will be triggered and the device will send an uplink data.
593 -
594 -
595 -
596 -
597 -
598 598  == 3.4 Uplink Payload ==
599 599  
600 600  
601 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
602 -|(% 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" %)(((
603 603  **Size(bytes)**
604 -)))|(% 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" %)(((
605 605  **Length depends on the return from the commands**
606 606  )))
607 607  |(% style="width:90px" %)(((
... ... @@ -763,21 +763,31 @@
763 763  )))
764 764  
765 765  (((
766 -(% style="color:blue" %)**Example 2:**  (%%)
738 +(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
767 767  )))
768 768  
769 769  (((
770 -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**
771 771  )))
772 772  
773 773  (((
746 +
747 +)))
748 +
774 774  (((
775 -[[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**
776 776  )))
753 +
754 +
777 777  )))
778 778  
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 +)))
779 779  
780 780  
762 +
781 781  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
782 782  
783 783  
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1403 1403  To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1404 1404  )))
1405 1405  
1406 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1407 -|=(% 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" %)(((
1408 1408  **Command example**
1409 -)))|=(% style="width: 355px; background-color:#4F81BD;color:white" %)(((
1391 +)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1410 1410  **Function**
1411 1411  )))
1412 1412  |(% style="width:156px" %)(((
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1485 1485  
1486 1486  
1487 1487  (% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1488 -|=(% 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**
1489 1489  |(% 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**
1490 1490  |(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1491 1491  |(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
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1494 1494  
1495 1495  
1496 1496  (% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1497 -|=(% 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**
1498 1498  |PWR|Always on if there is power
1499 1499  |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.
1500 1500  
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1711 1711  1. Check if Modbus-MTU return back the expected result to RS485-LN.
1712 1712  1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1713 1713  
1714 -[[image:image-20240816112950-1.png||height="382" width="731"]]
1696 +[[image:image-20221130104310-1.png||height="380" width="680"]]
1715 1715  
1716 1716  
1717 1717  Example Connection:
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1833 1833  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1834 1834  
1835 1835  
1836 -== 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? ==
1837 1837  
1838 1838  
1839 1839  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1840 1840  
1841 1841  
1842 -== 7.3 Why can't customers see the device's data in the server when the data is too long? ==
1843 -
1844 -This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
1845 -
1846 -Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
1847 -
1848 -[[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]]
1849 -
1850 -Example:
1851 -
1852 -[[image:image-20240620145456-1.png]]
1853 -
1854 -Please refer to the following command to fix DR
1855 -
1856 -AT+ADR=0
1857 -
1858 -AT+DR=3
1859 -
1860 -Downlink command:
1861 -
1862 -[[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]]
1863 -
1864 -
1865 -
1866 1866  = 8. Order Info =
1867 1867  
1868 1868  
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