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 ... ... @@ -575,26 +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 triggers an interrupt, and the node sends an uplink data.608 +When the dry contact is closed, INT and VIN+ conduct and INT is high. 585 585 586 - [[image:image-20240925164510-3.jpeg||height="414"width="656"]]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. 587 587 612 +[[image:image-20240925174124-5.jpeg||height="439" width="703"]] 613 + 588 588 * 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.) 589 589 590 590 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. 591 591 592 -When the regulated power supply is turned on,givena high voltage to the INT pin,an interrupt willbetriggeredandthedevicewillsendanuplinkdata.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 593 593 620 +high to low, at which time an interrupt is triggered (triggered along the falling edge), and the device will send an uplink data. 594 594 622 +[[image:image-20240925173243-4.jpeg||height="404" width="900"]] 595 595 624 +* Example of interrupt data in TTN. 596 596 626 +The first byte of the payload of the interrupted packet is (% style="color:blue" %)**0x81**(%%). 597 597 628 +[[image:image-20240925181010-1.png||height="348" width="953"]] 629 + 630 + 598 598 == 3.4 Uplink Payload == 599 599 600 600 ... ... @@ -812,7 +812,6 @@ 812 812 [[image:image-20220824145428-2.png||height="168" width="1300"]] 813 813 814 814 815 - 816 816 **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.** 817 817 818 818 ... ... @@ -1354,7 +1354,6 @@ 1354 1354 1355 1355 Example: 1356 1356 1357 - 1358 1358 [[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"]] 1359 1359 1360 1360 ... ... @@ -1392,10 +1392,10 @@ 1392 1392 ((( 1393 1393 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. 1394 1394 1395 - 1426 +[[image:image-20240928104143-6.png||height="487" width="797"]] 1396 1396 ))) 1397 1397 1398 -(% 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"]] 1399 1399 1400 1400 (% title="Click and drag to resize" %) 1401 1401 ... ... @@ -1475,7 +1475,6 @@ 1475 1475 ))) 1476 1476 1477 1477 1478 - 1479 1479 ((( 1480 1480 (% 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.** 1481 1481 ))) ... ... @@ -1511,18 +1511,13 @@ 1511 1511 1512 1512 ((( 1513 1513 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. 1514 - 1515 - 1516 1516 ))) 1517 1517 1518 1518 (% 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" %) 1519 1519 1520 1520 1521 - 1522 1522 ((( 1523 1523 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: 1524 - 1525 - 1526 1526 ))) 1527 1527 1528 1528 (% 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" %) ... ... @@ -1656,7 +1656,6 @@ 1656 1656 (% 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" %) 1657 1657 1658 1658 1659 - 1660 1660 (% 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):** 1661 1661 1662 1662 [[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]] ... ... @@ -1841,6 +1841,7 @@ 1841 1841 1842 1842 == 7.3 Why can't customers see the device's data in the server when the data is too long? == 1843 1843 1868 + 1844 1844 This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem. 1845 1845 1846 1846 Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol ... ... @@ -1862,7 +1862,6 @@ 1862 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 1863 1864 1864 1865 - 1866 1866 = 8. Order Info = 1867 1867 1868 1868
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