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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.20
edited by Xiaoling
on 2022/06/15 11:08
Change comment: There is no comment for this version
To version 174.4
edited by Xiaoling
on 2022/06/15 10:30
Change comment: There is no comment for this version

Summary

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... ... @@ -100,9 +100,6 @@
100 100  * IP66 Waterproof Enclosure
101 101  * 8500mAh Battery for long term use
102 102  
103 -
104 -
105 -
106 106  == 1.3  Suitable Container & Liquid ==
107 107  
108 108  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -112,9 +112,6 @@
112 112  ** Pure non metal material: <10 mm
113 113  * Pure liquid without irregular deposition.
114 114  
115 -
116 -
117 -
118 118  == 1.4  Mechanical ==
119 119  
120 120  [[image:image-20220615090910-1.png]]
... ... @@ -204,9 +204,6 @@
204 204  * Smart liquid control solution.
205 205  * Smart liquefied gas solution.
206 206  
207 -
208 -
209 -
210 210  == 1.7  Precautions ==
211 211  
212 212  * At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
... ... @@ -371,6 +371,8 @@
371 371  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
372 372  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
373 373  
365 +
366 +
374 374  === 2.3.3  Interrupt Pin ===
375 375  
376 376  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
... ... @@ -414,7 +414,7 @@
414 414  While using TTN network, you can add the payload format to decode the payload.
415 415  
416 416  
417 -[[image:1655261164557-670.png]]
410 +[[image:1654850829385-439.png]]
418 418  
419 419  The payload decoder function for TTN V3 is here:
420 420  
... ... @@ -502,6 +502,8 @@
502 502  * Solid ON for 5 seconds once device successful Join the network.
503 503  * Blink once when device transmit a packet.
504 504  
498 +
499 +
505 505  == 2.7  ​Firmware Change Log ==
506 506  
507 507  
... ... @@ -532,7 +532,7 @@
532 532  The battery related documents as below:
533 533  
534 534  * (((
535 -[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
530 +[[Battery Dimension>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/le=LSN50-Battery-Dimension.pdf]],
536 536  )))
537 537  * (((
538 538  [[Lithium-Thionyl Chloride Battery  datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]],
... ... @@ -545,14 +545,9 @@
545 545  
546 546  
547 547  
548 -== 2.8.2  Battery Note ==
549 549  
550 -The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to uplink data, then the battery life may be decreased.
544 +=== 2.10.2  Replace the battery ===
551 551  
552 -
553 -
554 -=== 2.8.3  Replace the battery ===
555 -
556 556  (((
557 557  You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
558 558  )))
... ... @@ -567,152 +567,138 @@
567 567  
568 568  
569 569  
570 -== 2.8.4  Battery Life Analyze ==
560 += 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
571 571  
572 -Dragino battery powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimate battery life:
562 +(((
563 +(((
564 +Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
565 +)))
566 +)))
573 573  
574 -[[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
568 +* (((
569 +(((
570 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
571 +)))
572 +)))
573 +* (((
574 +(((
575 +LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
576 +)))
577 +)))
575 575  
579 +(((
580 +(((
581 +
582 +)))
576 576  
584 +(((
585 +There are two kinds of commands to configure LDDS75, they are:
586 +)))
587 +)))
577 577  
578 -= 3.  Using the AT Commands =
589 +* (((
590 +(((
591 +(% style="color:#4f81bd" %)** General Commands**.
592 +)))
593 +)))
579 579  
580 580  (((
581 581  (((
582 -
597 +These commands are to configure:
583 583  )))
584 584  )))
585 585  
586 -== 3.1  Access AT Commands ==
601 +* (((
602 +(((
603 +General system settings like: uplink interval.
604 +)))
605 +)))
606 +* (((
607 +(((
608 +LoRaWAN protocol & radio related command.
609 +)))
610 +)))
587 587  
588 -LDDS20 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS20 for using AT command, as below.
612 +(((
613 +(((
614 +They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
615 +)))
616 +)))
589 589  
618 +(((
619 +(((
620 +
621 +)))
622 +)))
590 590  
591 -[[image:image-20220610172924-4.png||height="483" width="988"]]
624 +* (((
625 +(((
626 +(% style="color:#4f81bd" %)** Commands special design for LDDS75**
627 +)))
628 +)))
592 592  
593 -
594 -Or if you have below board, use below connection:
595 -
596 -
597 -[[image:image-20220610172924-5.png]]
598 -
599 -
600 600  (((
601 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS20. LDDS20 will output system info once power on as below:
631 +(((
632 +These commands only valid for LDDS75, as below:
602 602  )))
634 +)))
603 603  
604 604  
605 - [[image:image-20220610172924-6.png||height="601" width="860"]]
606 606  
607 -Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]].
638 +== 3.1  Access AT Commands ==
608 608  
640 +LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
609 609  
610 -AT+<CMD>?  :  Help on <CMD>
642 +[[image:image-20220610172924-4.png||height="483" width="988"]]
611 611  
612 -AT+<CMD>  :  Run <CMD>
613 613  
614 -AT+<CMD>=<value>  :  Set the value
645 +Or if you have below board, use below connection:
615 615  
616 -AT+<CMD>=?  :  Get the value
617 617  
648 +[[image:image-20220610172924-5.png]]
618 618  
619 -(% style="color:#037691" %)** General Commands :**     
620 620  
621 -AT  :  Attention       
651 +(((
652 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
653 +)))
622 622  
623 -AT?  :  Short Help     
624 624  
625 -ATZ :  MCU Reset    
656 + [[image:image-20220610172924-6.png||height="601" width="860"]]
626 626  
627 -AT+TDC :  Application Data Transmission Interval 
628 628  
629 629  
630 -(% style="color:#037691" %)** Keys, IDs and EUIs management :**
660 +== 3.2  Set Transmit Interval Time ==
631 631  
632 -AT+APPEUI  :  Application EUI      
662 +Feature: Change LoRaWAN End Node Transmit Interval.
633 633  
634 -AT+APPKEY  :  Application Key     
664 +(% style="color:#037691" %)**AT Command: AT+TDC**
635 635  
636 -AT+APPSKEY  :  Application Session Key
666 +[[image:image-20220610173409-7.png]]
637 637  
638 -AT+DADDR :  Device Address     
639 639  
640 -AT+DEUI :  Device EUI     
669 +(((
670 +(% style="color:#037691" %)**Downlink Command: 0x01**
671 +)))
641 641  
642 -AT+NWKID  :  Network ID (You can enter this command change only after successful network connection) 
673 +(((
674 +(((
675 +Format: Command Code (0x01) followed by 3 bytes time value.
643 643  
644 -AT+NWKSKEY  : Network Session Key Joining and sending date on LoRa network  
677 +(((
678 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
679 +)))
645 645  
646 -AT+CFM :  Confirm Mode       
681 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
682 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
683 +)))
684 +)))
647 647  
648 -AT+CFS :  Confirm Status       
649 649  
650 -AT+JOIN  :  Join LoRa? Network       
651 651  
652 -AT+NJM  :  LoRa? Network Join Mode    
653 653  
654 -AT+NJS  :  LoRa? Network Join Status    
655 655  
656 -AT+RECV  :  Print Last Received Data in Raw Format
690 +== 3.3  Set Interrupt Mode ==
657 657  
658 -AT+RECVB :  Print Last Received Data in Binary Format      
659 -
660 -AT+SEND  :  Send Text Data      
661 -
662 -AT+SENB  :  Send Hexadecimal Data
663 -
664 -
665 -(% style="color:#037691" %)** LoRa Network Management :**
666 -
667 -AT+ADR  :  Adaptive Rate
668 -
669 -AT+CLASS  :  LoRa Class(Currently only support class A
670 -
671 -AT+DCS  :  Duty Cycle Setting 
672 -
673 -AT+DR  :  Data Rate (Can Only be Modified after ADR=0)     
674 -
675 -AT+FCD  :  Frame Counter Downlink       
676 -
677 -AT+FCU  :  Frame Counter Uplink   
678 -
679 -AT+JN1DL  :  Join Accept Delay1
680 -
681 -AT+JN2DL  :  Join Accept Delay2
682 -
683 -AT+PNM  :  Public Network Mode   
684 -
685 -AT+RX1DL  :  Receive Delay1      
686 -
687 -AT+RX2DL  :  Receive Delay2      
688 -
689 -AT+RX2DR  :  Rx2 Window Data Rate 
690 -
691 -AT+RX2FQ  :  Rx2 Window Frequency
692 -
693 -AT+TXP  :  Transmit Power
694 -
695 -
696 -(% style="color:#037691" %)** Information :**
697 -
698 -AT+RSSI  :  RSSI of the Last Received Packet   
699 -
700 -AT+SNR  :  SNR of the Last Received Packet   
701 -
702 -AT+VER  :  Image Version and Frequency Band       
703 -
704 -AT+FDR  :  Factory Data Reset
705 -
706 -AT+PORT  :  Application Port    
707 -
708 -AT+CHS  :  Get or Set Frequency (Unit: Hz) for Single Channel Mode
709 -
710 - AT+CHE  :  Get or Set eight channels mode, Only for US915, AU915, CN470
711 -
712 -
713 -
714 -== 3.2  Set Interrupt Mode ==
715 -
716 716  Feature, Set Interrupt mode for GPIO_EXIT.
717 717  
718 718  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
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731 731  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
732 732  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
733 733  
734 -
735 -
736 736  = 4.  FAQ =
737 737  
738 -== 4.1  What is the frequency plan for LDDS20? ==
712 +== 4.1  What is the frequency plan for LDDS75? ==
739 739  
740 -LDDS20 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
714 +LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
741 741  
742 742  
743 743  
744 744  == 4.2  How to change the LoRa Frequency Bands/Region ==
745 745  
746 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
720 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
747 747  When downloading the images, choose the required image file for download. ​
748 748  
749 749  
750 750  
725 +== 4.3  Can I use LDDS75 in condensation environment? ==
726 +
727 +LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
728 +
729 +
730 +
751 751  = 5.  Trouble Shooting =
752 752  
753 753  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
... ... @@ -767,7 +767,7 @@
767 767  = 6.  Order Info =
768 768  
769 769  
770 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
750 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
771 771  
772 772  
773 773  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
... ... @@ -781,20 +781,18 @@
781 781  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
782 782  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
783 783  
764 +(% style="color:blue" %)**YY**(%%): Battery Option
784 784  
766 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
767 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
768 +
785 785  = 7. ​ Packing Info =
786 786  
787 787  
788 788  **Package Includes**:
789 789  
790 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
774 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
791 791  
792 -
793 -(% style="color:red" %)**Note:**
794 -
795 -(% style="color:red" %)**Ultrasonic coupling paste**(%%) and(% style="color:red" %)** Eproxy AB glue**(%%) are subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
796 -
797 -
798 798  **Dimension and weight**:
799 799  
800 800  * Device Size: cm
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802 802  * Package Size / pcs : cm
803 803  * Weight / pcs : g
804 804  
805 -
806 806  = 8.  ​Support =
807 807  
808 808  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
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