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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.24
edited by Xiaoling
on 2022/06/15 11:09
Change comment: There is no comment for this version
To version 175.4
edited by Xiaoling
on 2022/06/15 10:49
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -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.
... ... @@ -213,9 +213,6 @@
213 213  * For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
214 214  * When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
215 215  
216 -
217 -
218 -
219 219  == 1.8  Pin mapping and power on ==
220 220  
221 221  
... ... @@ -375,8 +375,6 @@
375 375  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
376 376  
377 377  
378 -
379 -
380 380  === 2.3.3  Interrupt Pin ===
381 381  
382 382  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.
... ... @@ -509,8 +509,6 @@
509 509  * Blink once when device transmit a packet.
510 510  
511 511  
512 -
513 -
514 514  == 2.7  ​Firmware Change Log ==
515 515  
516 516  
... ... @@ -531,6 +531,8 @@
531 531  == 2.8  Battery Analysis ==
532 532  
533 533  
518 +
519 +
534 534  === 2.8.1  Battery Type ===
535 535  
536 536  The LDDS20 battery is a combination of a 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
... ... @@ -636,90 +636,120 @@
636 636  
637 637  (% style="color:#037691" %)** Keys, IDs and EUIs management :**
638 638  
639 -AT+APPEUI  :  Application EUI      
625 +AT+APPEUI  : Application EUI      
640 640  
641 -AT+APPKEY  :  Application Key     
627 +AT+APPKEY  : Application Key     
642 642  
643 -AT+APPSKEY  :  Application Session Key
629 +AT+APPSKEY  : Application Session Key
644 644  
645 -AT+DADDR :  Device Address     
631 +AT+DADDR : Device Address     
646 646  
647 -AT+DEUI :  Device EUI     
633 +AT+DEUI : Device EUI     
648 648  
649 -AT+NWKID  :  Network ID (You can enter this command change only after successful network connection) 
635 +AT+NWKID  : Network ID (You can enter this command change only after successful network connection) 
650 650  
651 651  AT+NWKSKEY  : Network Session Key Joining and sending date on LoRa network  
652 652  
653 -AT+CFM :  Confirm Mode       
639 +AT+CFM : Confirm Mode       
654 654  
655 -AT+CFS :  Confirm Status       
641 +AT+CFS : Confirm Status       
656 656  
657 -AT+JOIN  :  Join LoRa? Network       
643 +AT+JOIN  : Join LoRa? Network       
658 658  
659 -AT+NJM  :  LoRa? Network Join Mode    
645 +AT+NJM  : LoRa? Network Join Mode    
660 660  
661 -AT+NJS  :  LoRa? Network Join Status    
647 +AT+NJS  : LoRa? Network Join Status    
662 662  
663 -AT+RECV  :  Print Last Received Data in Raw Format
649 +AT+RECV  : Print Last Received Data in Raw Format
664 664  
665 -AT+RECVB :  Print Last Received Data in Binary Format      
651 +AT+RECVB : Print Last Received Data in Binary Format      
666 666  
667 -AT+SEND  :  Send Text Data      
653 +AT+SEND  : Send Text Data      
668 668  
669 -AT+SENB  :  Send Hexadecimal Data
655 +AT+SENB  : Send Hexadecimal Data
670 670  
671 671  
672 672  (% style="color:#037691" %)** LoRa Network Management :**
673 673  
674 -AT+ADR  :  Adaptive Rate
660 +AT+ADR          : Adaptive Rate
675 675  
676 -AT+CLASS  :  LoRa Class(Currently only support class A
662 +AT+CLASS                : LoRa Class(Currently only support class A
677 677  
678 -AT+DCS  :  Duty Cycle Setting 
664 +AT+DCS           : Duty Cycle Setting 
679 679  
680 -AT+DR  :  Data Rate (Can Only be Modified after ADR=0)     
666 +AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
681 681  
682 -AT+FCD  :  Frame Counter Downlink       
668 +AT+FCD           : Frame Counter Downlink       
683 683  
684 -AT+FCU  :  Frame Counter Uplink   
670 +AT+FCU           : Frame Counter Uplink   
685 685  
686 -AT+JN1DL  :  Join Accept Delay1
672 +AT+JN1DL                : Join Accept Delay1
687 687  
688 -AT+JN2DL  :  Join Accept Delay2
674 +AT+JN2DL                : Join Accept Delay2
689 689  
690 -AT+PNM  :  Public Network Mode   
676 +AT+PNM                   : Public Network Mode   
691 691  
692 -AT+RX1DL  :  Receive Delay1      
678 +AT+RX1DL                : Receive Delay1      
693 693  
694 -AT+RX2DL  :  Receive Delay2      
680 +AT+RX2DL                : Receive Delay2      
695 695  
696 -AT+RX2DR  :  Rx2 Window Data Rate 
682 +AT+RX2DR               : Rx2 Window Data Rate 
697 697  
698 -AT+RX2FQ  :  Rx2 Window Frequency
684 +AT+RX2FQ               : Rx2 Window Frequency
699 699  
700 -AT+TXP  :  Transmit Power
686 +AT+TXP           : Transmit Power
701 701  
702 702  
703 703  (% style="color:#037691" %)** Information :**
704 704  
705 -AT+RSSI  :  RSSI of the Last Received Packet   
691 +AT+RSSI           : RSSI of the Last Received Packet   
706 706  
707 -AT+SNR  :  SNR of the Last Received Packet   
693 +AT+SNR           : SNR of the Last Received Packet   
708 708  
709 -AT+VER  :  Image Version and Frequency Band       
695 +AT+VER           : Image Version and Frequency Band       
710 710  
711 -AT+FDR  :  Factory Data Reset
697 +AT+FDR           : Factory Data Reset
712 712  
713 -AT+PORT  :  Application Port    
699 +AT+PORT                  : Application Port    
714 714  
715 -AT+CHS  :  Get or Set Frequency (Unit: Hz) for Single Channel Mode
701 +AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
716 716  
717 - AT+CHE  :  Get or Set eight channels mode, Only for US915, AU915, CN470
703 + AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
718 718  
719 719  
720 720  
721 -== 3.2  Set Interrupt Mode ==
707 +== 3.2  Set Transmit Interval Time ==
722 722  
709 +Feature: Change LoRaWAN End Node Transmit Interval.
710 +
711 +(% style="color:#037691" %)**AT Command: AT+TDC**
712 +
713 +[[image:image-20220610173409-7.png]]
714 +
715 +
716 +(((
717 +(% style="color:#037691" %)**Downlink Command: 0x01**
718 +)))
719 +
720 +(((
721 +(((
722 +Format: Command Code (0x01) followed by 3 bytes time value.
723 +
724 +(((
725 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
726 +)))
727 +
728 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
729 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
730 +)))
731 +)))
732 +
733 +
734 +
735 +
736 +
737 +== 3.3  Set Interrupt Mode ==
738 +
723 723  Feature, Set Interrupt mode for GPIO_EXIT.
724 724  
725 725  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -738,23 +738,27 @@
738 738  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
739 739  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
740 740  
741 -
742 -
743 743  = 4.  FAQ =
744 744  
745 -== 4.1  What is the frequency plan for LDDS20? ==
759 +== 4.1  What is the frequency plan for LDDS75? ==
746 746  
747 -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"]]
761 +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"]]
748 748  
749 749  
750 750  
751 751  == 4.2  How to change the LoRa Frequency Bands/Region ==
752 752  
753 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.7A0200BFirmwareChangeLog"]].
767 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
754 754  When downloading the images, choose the required image file for download. ​
755 755  
756 756  
757 757  
772 +== 4.3  Can I use LDDS75 in condensation environment? ==
773 +
774 +LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
775 +
776 +
777 +
758 758  = 5.  Trouble Shooting =
759 759  
760 760  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
... ... @@ -774,7 +774,7 @@
774 774  = 6.  Order Info =
775 775  
776 776  
777 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
797 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
778 778  
779 779  
780 780  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
... ... @@ -788,20 +788,18 @@
788 788  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
789 789  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
790 790  
811 +(% style="color:blue" %)**YY**(%%): Battery Option
791 791  
813 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
814 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
815 +
792 792  = 7. ​ Packing Info =
793 793  
794 794  
795 795  **Package Includes**:
796 796  
797 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
821 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
798 798  
799 -
800 -(% style="color:red" %)**Note:**
801 -
802 -(% 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.
803 -
804 -
805 805  **Dimension and weight**:
806 806  
807 807  * Device Size: cm
... ... @@ -809,7 +809,6 @@
809 809  * Package Size / pcs : cm
810 810  * Weight / pcs : g
811 811  
812 -
813 813  = 8.  ​Support =
814 814  
815 815  * 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.