Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/10 15:06
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... ... @@ -135,16 +135,6 @@ 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 ))) ... ... @@ -293,15 +293,14 @@ 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="Clickanddragto resize"%)(%%)When there is a high voltage (3.3vand above, the maximumis24V, but not more than 12vis recommended) on(% style="color:blue" %)**INT**(%%)pin.At this point, an interrupt is triggered and theDevice 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 - CheckTTLSensorurn: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 ... ... @@ -1403,10 +1403,10 @@ 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" %)((( ... ... @@ -1485,7 +1485,7 @@ 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"]] ... ... @@ -1494,7 +1494,7 @@ 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 ... ... @@ -1711,7 +1711,7 @@ 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-202 40816112950-1.png||height="382" width="731"]]1696 +[[image:image-20221130104310-1.png||height="380" width="680"]] 1715 1715 1716 1716 1717 1717 Example Connection: ... ... @@ -1833,36 +1833,12 @@ 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 customerscan'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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