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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... ... @@ -1,10 +1,6 @@ 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 ... ... @@ -141,7 +141,7 @@ 141 141 142 142 The following diagram shows the V1.2 hardware version. 143 143 144 -[[image:image-2024092 5161141-1.jpeg||height="412" width="405"]]138 +[[image:image-20240928101253-2.jpeg||height="542" width="542"]] 145 145 146 146 [[image:image-20240925161157-2.jpeg||height="367" width="545"]] 147 147 ... ... @@ -185,10 +185,10 @@ 185 185 186 186 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. 187 187 182 +[[image:image-20240928102637-3.png||height="522" width="917"]] 188 188 189 -(% 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"]] 190 190 191 - 192 192 ((( 193 193 ((( 194 194 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: ... ... @@ -496,8 +496,6 @@ 496 496 497 497 ((( 498 498 Where PAYVER is defined by AT+PAYVER, below is an example screen shot. 499 - 500 - 501 501 ))) 502 502 503 503 [[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %) ... ... @@ -549,10 +549,8 @@ 549 549 (% 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)** 550 550 551 551 552 - 553 553 Below are the uplink payloads: 554 554 555 - 556 556 (% 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" %) 557 557 558 558 ... ... @@ -575,17 +575,69 @@ 575 575 576 576 (% 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"]] 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. 579 579 569 +==== 3.3.7.1 Set Interrupt Mode ==== 570 + 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 + 580 580 **Example:** 581 581 582 582 * Use a dry contact to connect the (% style="color:blue" %)**INT**(%%) pin and (% style="color:blue" %)**VIN+**(%%) pin of the RS485-LN. 583 583 584 -When the dry contact is closed, INT and VIN+ conduct ,and INTgoes high, which triggersan interrupt, and the node sends an uplink message.608 +When the dry contact is closed, INT and VIN+ conduct and INT is high. 585 585 610 +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. 586 586 612 +[[image:image-20240925174124-5.jpeg||height="439" width="703"]] 587 587 614 +* 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.) 588 588 616 +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 + 589 589 == 3.4 Uplink Payload == 590 590 591 591 ... ... @@ -803,7 +803,6 @@ 803 803 [[image:image-20220824145428-2.png||height="168" width="1300"]] 804 804 805 805 806 - 807 807 **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.** 808 808 809 809 ... ... @@ -1345,7 +1345,6 @@ 1345 1345 1346 1346 Example: 1347 1347 1348 - 1349 1349 [[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"]] 1350 1350 1351 1351 ... ... @@ -1383,10 +1383,10 @@ 1383 1383 ((( 1384 1384 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. 1385 1385 1386 - 1426 +[[image:image-20240928104143-6.png||height="487" width="797"]] 1387 1387 ))) 1388 1388 1389 -(% 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"]] 1390 1390 1391 1391 (% title="Click and drag to resize" %) 1392 1392 ... ... @@ -1466,7 +1466,6 @@ 1466 1466 ))) 1467 1467 1468 1468 1469 - 1470 1470 ((( 1471 1471 (% 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.** 1472 1472 ))) ... ... @@ -1502,18 +1502,13 @@ 1502 1502 1503 1503 ((( 1504 1504 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. 1505 - 1506 - 1507 1507 ))) 1508 1508 1509 1509 (% 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" %) 1510 1510 1511 1511 1512 - 1513 1513 ((( 1514 1514 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: 1515 - 1516 - 1517 1517 ))) 1518 1518 1519 1519 (% 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" %) ... ... @@ -1647,7 +1647,6 @@ 1647 1647 (% 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" %) 1648 1648 1649 1649 1650 - 1651 1651 (% 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):** 1652 1652 1653 1653 [[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]] ... ... @@ -1832,6 +1832,7 @@ 1832 1832 1833 1833 == 7.3 Why can't customers see the device's data in the server when the data is too long? == 1834 1834 1868 + 1835 1835 This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem. 1836 1836 1837 1837 Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol ... ... @@ -1853,7 +1853,6 @@ 1853 1853 [[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]] 1854 1854 1855 1855 1856 - 1857 1857 = 8. Order Info = 1858 1858 1859 1859
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