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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 176.6
edited by Xiaoling
on 2022/06/15 11:36
Change comment: There is no comment for this version
To version 175.5
edited by Xiaoling
on 2022/06/15 10:51
Change comment: There is no comment for this version

Summary

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Content
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6 6  
7 7  **Table of Contents:**
8 8  
9 -{{toc/}}
10 10  
11 11  
12 12  
... ... @@ -101,8 +101,6 @@
101 101  * IP66 Waterproof Enclosure
102 102  * 8500mAh Battery for long term use
103 103  
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.
... ... @@ -112,8 +112,6 @@
112 112  ** Pure non metal material: <10 mm
113 113  * Pure liquid without irregular deposition.
114 114  
115 -
116 -
117 117  == 1.4  Mechanical ==
118 118  
119 119  [[image:image-20220615090910-1.png]]
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203 203  * Smart liquid control solution.
204 204  * Smart liquefied gas solution.
205 205  
206 -
207 -
208 208  == 1.7  Precautions ==
209 209  
210 210  * 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.
... ... @@ -211,8 +211,6 @@
211 211  * 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.
212 212  * 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.
213 213  
214 -
215 -
216 216  == 1.8  Pin mapping and power on ==
217 217  
218 218  
... ... @@ -372,7 +372,6 @@
372 372  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
373 373  
374 374  
375 -
376 376  === 2.3.3  Interrupt Pin ===
377 377  
378 378  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.
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505 505  * Blink once when device transmit a packet.
506 506  
507 507  
508 -
509 509  == 2.7  ​Firmware Change Log ==
510 510  
511 511  
... ... @@ -526,6 +526,8 @@
526 526  == 2.8  Battery Analysis ==
527 527  
528 528  
518 +
519 +
529 529  === 2.8.1  Battery Type ===
530 530  
531 531  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.
... ... @@ -543,11 +543,11 @@
543 543  [[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
544 544  )))
545 545  
546 - [[image:image-20220615111024-1.png]]
537 + [[image:image-20220615102527-16.png]]
547 547  
548 548  
549 549  
550 -=== 2.8.2  Battery Note ===
541 +== 2.8.2  Battery Note ==
551 551  
552 552  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.
553 553  
... ... @@ -556,15 +556,20 @@
556 556  === 2.8.3  Replace the battery ===
557 557  
558 558  (((
559 -You can change the battery in the NBSN95.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.
550 +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.
551 +)))
560 560  
553 +(((
554 +
555 +)))
561 561  
562 -The default battery pack of NBSN95 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
557 +(((
558 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
563 563  )))
564 564  
565 565  
566 566  
567 -=== 2.8.4  Battery Life Analyze ===
563 +== 2.8.4  Battery Life Analyze ==
568 568  
569 569  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:
570 570  
... ... @@ -661,55 +661,85 @@
661 661  
662 662  (% style="color:#037691" %)** LoRa Network Management :**
663 663  
664 -AT+ADR  :  Adaptive Rate
660 +AT+ADR          : Adaptive Rate
665 665  
666 -AT+CLASS  :  LoRa Class(Currently only support class A
662 +AT+CLASS                : LoRa Class(Currently only support class A
667 667  
668 -AT+DCS  :  Duty Cycle Setting 
664 +AT+DCS           : Duty Cycle Setting 
669 669  
670 -AT+DR  :  Data Rate (Can Only be Modified after ADR=0)     
666 +AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
671 671  
672 -AT+FCD  :  Frame Counter Downlink       
668 +AT+FCD           : Frame Counter Downlink       
673 673  
674 -AT+FCU  :  Frame Counter Uplink   
670 +AT+FCU           : Frame Counter Uplink   
675 675  
676 -AT+JN1DL  :  Join Accept Delay1
672 +AT+JN1DL                : Join Accept Delay1
677 677  
678 -AT+JN2DL  :  Join Accept Delay2
674 +AT+JN2DL                : Join Accept Delay2
679 679  
680 -AT+PNM  :  Public Network Mode   
676 +AT+PNM                   : Public Network Mode   
681 681  
682 -AT+RX1DL  :  Receive Delay1      
678 +AT+RX1DL                : Receive Delay1      
683 683  
684 -AT+RX2DL  :  Receive Delay2      
680 +AT+RX2DL                : Receive Delay2      
685 685  
686 -AT+RX2DR  :  Rx2 Window Data Rate 
682 +AT+RX2DR               : Rx2 Window Data Rate 
687 687  
688 -AT+RX2FQ  :  Rx2 Window Frequency
684 +AT+RX2FQ               : Rx2 Window Frequency
689 689  
690 -AT+TXP  :  Transmit Power
686 +AT+TXP           : Transmit Power
691 691  
692 692  
693 693  (% style="color:#037691" %)** Information :**
694 694  
695 -AT+RSSI  :  RSSI of the Last Received Packet   
691 +AT+RSSI           : RSSI of the Last Received Packet   
696 696  
697 -AT+SNR  :  SNR of the Last Received Packet   
693 +AT+SNR           : SNR of the Last Received Packet   
698 698  
699 -AT+VER  :  Image Version and Frequency Band       
695 +AT+VER           : Image Version and Frequency Band       
700 700  
701 -AT+FDR  :  Factory Data Reset
697 +AT+FDR           : Factory Data Reset
702 702  
703 -AT+PORT  :  Application Port    
699 +AT+PORT                  : Application Port    
704 704  
705 -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
706 706  
707 - 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
708 708  
709 709  
710 710  
711 -== 3.2  Set Interrupt Mode ==
707 +== 3.2  Set Transmit Interval Time ==
712 712  
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 +
713 713  Feature, Set Interrupt mode for GPIO_EXIT.
714 714  
715 715  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
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728 728  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
729 729  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
730 730  
731 -
732 732  = 4.  FAQ =
733 733  
734 -== 4.1  What is the frequency plan for LDDS20? ==
759 +== 4.1  What is the frequency plan for LDDS75? ==
735 735  
736 -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"]]
737 737  
738 738  
739 739  
740 740  == 4.2  How to change the LoRa Frequency Bands/Region ==
741 741  
742 -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"]].
743 743  When downloading the images, choose the required image file for download. ​
744 744  
745 745  
746 746  
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 +
747 747  = 5.  Trouble Shooting =
748 748  
749 749  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
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763 763  = 6.  Order Info =
764 764  
765 765  
766 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
797 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
767 767  
768 768  
769 769  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
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777 777  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
778 778  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
779 779  
811 +(% style="color:blue" %)**YY**(%%): Battery Option
812 +
813 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
814 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
815 +
780 780  = 7. ​ Packing Info =
781 781  
782 782  
783 783  **Package Includes**:
784 784  
785 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
821 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
786 786  
787 -(% style="color:red" %)**Note:**
788 -
789 -(% 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.
790 -
791 -
792 792  **Dimension and weight**:
793 793  
794 794  * Device Size: cm
image-20220615111024-1.png
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1 -XWiki.Xiaoling
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