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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 176.3
edited by Xiaoling
on 2022/06/15 11:12
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

Details

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Content
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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.
... ... @@ -548,7 +548,7 @@
548 548  [[Lithium-ion Battery-Capacitor datasheet>>https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
549 549  )))
550 550  
551 - [[image:image-20220615111024-1.png]]
537 + [[image:image-20220615102527-16.png]]
552 552  
553 553  
554 554  
... ... @@ -561,10 +561,15 @@
561 561  === 2.8.3  Replace the battery ===
562 562  
563 563  (((
564 -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 +)))
565 565  
553 +(((
554 +
555 +)))
566 566  
567 -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)
568 568  )))
569 569  
570 570  
... ... @@ -666,55 +666,85 @@
666 666  
667 667  (% style="color:#037691" %)** LoRa Network Management :**
668 668  
669 -AT+ADR  :  Adaptive Rate
660 +AT+ADR          : Adaptive Rate
670 670  
671 -AT+CLASS  :  LoRa Class(Currently only support class A
662 +AT+CLASS                : LoRa Class(Currently only support class A
672 672  
673 -AT+DCS  :  Duty Cycle Setting 
664 +AT+DCS           : Duty Cycle Setting 
674 674  
675 -AT+DR  :  Data Rate (Can Only be Modified after ADR=0)     
666 +AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
676 676  
677 -AT+FCD  :  Frame Counter Downlink       
668 +AT+FCD           : Frame Counter Downlink       
678 678  
679 -AT+FCU  :  Frame Counter Uplink   
670 +AT+FCU           : Frame Counter Uplink   
680 680  
681 -AT+JN1DL  :  Join Accept Delay1
672 +AT+JN1DL                : Join Accept Delay1
682 682  
683 -AT+JN2DL  :  Join Accept Delay2
674 +AT+JN2DL                : Join Accept Delay2
684 684  
685 -AT+PNM  :  Public Network Mode   
676 +AT+PNM                   : Public Network Mode   
686 686  
687 -AT+RX1DL  :  Receive Delay1      
678 +AT+RX1DL                : Receive Delay1      
688 688  
689 -AT+RX2DL  :  Receive Delay2      
680 +AT+RX2DL                : Receive Delay2      
690 690  
691 -AT+RX2DR  :  Rx2 Window Data Rate 
682 +AT+RX2DR               : Rx2 Window Data Rate 
692 692  
693 -AT+RX2FQ  :  Rx2 Window Frequency
684 +AT+RX2FQ               : Rx2 Window Frequency
694 694  
695 -AT+TXP  :  Transmit Power
686 +AT+TXP           : Transmit Power
696 696  
697 697  
698 698  (% style="color:#037691" %)** Information :**
699 699  
700 -AT+RSSI  :  RSSI of the Last Received Packet   
691 +AT+RSSI           : RSSI of the Last Received Packet   
701 701  
702 -AT+SNR  :  SNR of the Last Received Packet   
693 +AT+SNR           : SNR of the Last Received Packet   
703 703  
704 -AT+VER  :  Image Version and Frequency Band       
695 +AT+VER           : Image Version and Frequency Band       
705 705  
706 -AT+FDR  :  Factory Data Reset
697 +AT+FDR           : Factory Data Reset
707 707  
708 -AT+PORT  :  Application Port    
699 +AT+PORT                  : Application Port    
709 709  
710 -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
711 711  
712 - 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
713 713  
714 714  
715 715  
716 -== 3.2  Set Interrupt Mode ==
707 +== 3.2  Set Transmit Interval Time ==
717 717  
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 +
718 718  Feature, Set Interrupt mode for GPIO_EXIT.
719 719  
720 720  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
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733 733  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
734 734  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
735 735  
736 -
737 -
738 738  = 4.  FAQ =
739 739  
740 -== 4.1  What is the frequency plan for LDDS20? ==
759 +== 4.1  What is the frequency plan for LDDS75? ==
741 741  
742 -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"]]
743 743  
744 744  
745 745  
746 746  == 4.2  How to change the LoRa Frequency Bands/Region ==
747 747  
748 -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"]].
749 749  When downloading the images, choose the required image file for download. ​
750 750  
751 751  
752 752  
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 +
753 753  = 5.  Trouble Shooting =
754 754  
755 755  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
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769 769  = 6.  Order Info =
770 770  
771 771  
772 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
797 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
773 773  
774 774  
775 775  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
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783 783  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
784 784  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
785 785  
811 +(% style="color:blue" %)**YY**(%%): Battery Option
786 786  
813 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
814 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
815 +
787 787  = 7. ​ Packing Info =
788 788  
789 789  
790 790  **Package Includes**:
791 791  
792 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
821 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
793 793  
794 -
795 -(% style="color:red" %)**Note:**
796 -
797 -(% 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.
798 -
799 -
800 800  **Dimension and weight**:
801 801  
802 802  * Device Size: cm
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804 804  * Package Size / pcs : cm
805 805  * Weight / pcs : g
806 806  
807 -
808 808  = 8.  ​Support =
809 809  
810 810  * 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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1 -XWiki.Xiaoling
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