Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Mengting Qiu on 2025/02/26 15:04
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... ... @@ -20,24 +20,51 @@ 20 20 21 21 22 22 ((( 23 +((( 23 23 The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. 25 +))) 24 24 27 +((( 28 + 29 +))) 25 25 31 +((( 26 26 It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server. 33 +))) 27 27 35 +((( 36 + 37 +))) 28 28 39 +((( 29 29 The LoRa wireless technology used in LDDS75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. 41 +))) 30 30 43 +((( 44 + 45 +))) 31 31 47 +((( 32 32 LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*. 49 +))) 33 33 51 +((( 52 + 53 +))) 34 34 55 +((( 35 35 Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on. 57 +))) 36 36 59 +((( 60 + 61 +))) 37 37 63 +((( 38 38 (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors. 39 39 ))) 40 40 ))) 67 +))) 41 41 42 42 43 43 [[image:1654847051249-359.png]] ... ... @@ -59,6 +59,8 @@ 59 59 * IP66 Waterproof Enclosure 60 60 * 4000mAh or 8500mAh Battery for long term use 61 61 89 + 90 + 62 62 == 1.3 Specification == 63 63 64 64 === 1.3.1 Rated environmental conditions === ... ... @@ -65,12 +65,12 @@ 65 65 66 66 [[image:image-20220610154839-1.png]] 67 67 68 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 97 +((( 98 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 99 +))) 69 69 70 -**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 71 71 72 72 73 - 74 74 === 1.3.2 Effective measurement range Reference beam pattern === 75 75 76 76 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -100,7 +100,6 @@ 100 100 * Sewer 101 101 * Bottom water level monitoring 102 102 103 - 104 104 == 1.6 Pin mapping and power on == 105 105 106 106 ... ... @@ -825,9 +825,11 @@ 825 825 826 826 [[image:image-20220610172003-1.png]] 827 827 856 + 828 828 [[image:image-20220610172003-2.png]] 829 829 830 830 860 + 831 831 == 2.10 Battery Analysis == 832 832 833 833 === 2.10.1 Battery Type === ... ... @@ -838,7 +838,7 @@ 838 838 The battery related documents as below: 839 839 840 840 * ((( 841 -[[ 871 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 842 842 ))) 843 843 * ((( 844 844 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -854,7 +854,7 @@ 854 854 === 2.10.2 Replace the battery === 855 855 856 856 ((( 857 -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.887 +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. 858 858 ))) 859 859 860 860 ((( ... ... @@ -862,7 +862,7 @@ 862 862 ))) 863 863 864 864 ((( 865 -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)895 +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) 866 866 ))) 867 867 868 868 ... ... @@ -877,7 +877,7 @@ 877 877 878 878 * ((( 879 879 ((( 880 -AT Command Connection: See [[FAQ>>||anchor="H 7.A0FAQ"]].910 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]]. 881 881 ))) 882 882 ))) 883 883 * ((( ... ... @@ -1010,6 +1010,7 @@ 1010 1010 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1011 1011 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1012 1012 1043 + 1013 1013 = 4. FAQ = 1014 1014 1015 1015 == 4.1 What is the frequency plan for LDDS75? == ... ... @@ -1069,6 +1069,7 @@ 1069 1069 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1070 1070 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1071 1071 1103 + 1072 1072 = 7. Packing Info = 1073 1073 1074 1074 ... ... @@ -1083,6 +1083,7 @@ 1083 1083 * Package Size / pcs : cm 1084 1084 * Weight / pcs : g 1085 1085 1118 + 1086 1086 = 8. Support = 1087 1087 1088 1088 * 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.