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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.22
edited by Xiaoling
on 2022/06/15 11:09
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

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.
... ... @@ -508,6 +508,7 @@
508 508  * Solid ON for 5 seconds once device successful Join the network.
509 509  * Blink once when device transmit a packet.
510 510  
497 +
511 511  == 2.7  ​Firmware Change Log ==
512 512  
513 513  
... ... @@ -670,55 +670,85 @@
670 670  
671 671  (% style="color:#037691" %)** LoRa Network Management :**
672 672  
673 -AT+ADR  :  Adaptive Rate
660 +AT+ADR          : Adaptive Rate
674 674  
675 -AT+CLASS  :  LoRa Class(Currently only support class A
662 +AT+CLASS                : LoRa Class(Currently only support class A
676 676  
677 -AT+DCS  :  Duty Cycle Setting 
664 +AT+DCS           : Duty Cycle Setting 
678 678  
679 -AT+DR  :  Data Rate (Can Only be Modified after ADR=0)     
666 +AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
680 680  
681 -AT+FCD  :  Frame Counter Downlink       
668 +AT+FCD           : Frame Counter Downlink       
682 682  
683 -AT+FCU  :  Frame Counter Uplink   
670 +AT+FCU           : Frame Counter Uplink   
684 684  
685 -AT+JN1DL  :  Join Accept Delay1
672 +AT+JN1DL                : Join Accept Delay1
686 686  
687 -AT+JN2DL  :  Join Accept Delay2
674 +AT+JN2DL                : Join Accept Delay2
688 688  
689 -AT+PNM  :  Public Network Mode   
676 +AT+PNM                   : Public Network Mode   
690 690  
691 -AT+RX1DL  :  Receive Delay1      
678 +AT+RX1DL                : Receive Delay1      
692 692  
693 -AT+RX2DL  :  Receive Delay2      
680 +AT+RX2DL                : Receive Delay2      
694 694  
695 -AT+RX2DR  :  Rx2 Window Data Rate 
682 +AT+RX2DR               : Rx2 Window Data Rate 
696 696  
697 -AT+RX2FQ  :  Rx2 Window Frequency
684 +AT+RX2FQ               : Rx2 Window Frequency
698 698  
699 -AT+TXP  :  Transmit Power
686 +AT+TXP           : Transmit Power
700 700  
701 701  
702 702  (% style="color:#037691" %)** Information :**
703 703  
704 -AT+RSSI  :  RSSI of the Last Received Packet   
691 +AT+RSSI           : RSSI of the Last Received Packet   
705 705  
706 -AT+SNR  :  SNR of the Last Received Packet   
693 +AT+SNR           : SNR of the Last Received Packet   
707 707  
708 -AT+VER  :  Image Version and Frequency Band       
695 +AT+VER           : Image Version and Frequency Band       
709 709  
710 -AT+FDR  :  Factory Data Reset
697 +AT+FDR           : Factory Data Reset
711 711  
712 -AT+PORT  :  Application Port    
699 +AT+PORT                  : Application Port    
713 713  
714 -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
715 715  
716 - 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
717 717  
718 718  
719 719  
720 -== 3.2  Set Interrupt Mode ==
707 +== 3.2  Set Transmit Interval Time ==
721 721  
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 +
722 722  Feature, Set Interrupt mode for GPIO_EXIT.
723 723  
724 724  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -737,23 +737,27 @@
737 737  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
738 738  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
739 739  
740 -
741 -
742 742  = 4.  FAQ =
743 743  
744 -== 4.1  What is the frequency plan for LDDS20? ==
759 +== 4.1  What is the frequency plan for LDDS75? ==
745 745  
746 -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"]]
747 747  
748 748  
749 749  
750 750  == 4.2  How to change the LoRa Frequency Bands/Region ==
751 751  
752 -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"]].
753 753  When downloading the images, choose the required image file for download. ​
754 754  
755 755  
756 756  
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 +
757 757  = 5.  Trouble Shooting =
758 758  
759 759  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
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773 773  = 6.  Order Info =
774 774  
775 775  
776 -Part Number **:** (% style="color:blue" %)**LDDS20-XX**
797 +Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
777 777  
778 778  
779 779  (% style="color:blue" %)**XX**(%%)**: **The default frequency band
... ... @@ -787,20 +787,18 @@
787 787  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
788 788  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
789 789  
811 +(% style="color:blue" %)**YY**(%%): Battery Option
790 790  
813 +* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
814 +* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
815 +
791 791  = 7. ​ Packing Info =
792 792  
793 793  
794 794  **Package Includes**:
795 795  
796 -* LDDS20 LoRaWAN Liquid Level Sensor x 1
821 +* LDDS75 LoRaWAN Distance Detection Sensor x 1
797 797  
798 -
799 -(% style="color:red" %)**Note:**
800 -
801 -(% 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.
802 -
803 -
804 804  **Dimension and weight**:
805 805  
806 806  * Device Size: cm
... ... @@ -808,7 +808,6 @@
808 808  * Package Size / pcs : cm
809 809  * Weight / pcs : g
810 810  
811 -
812 812  = 8.  ​Support =
813 813  
814 814  * 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.