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]] ... ... @@ -60,6 +60,7 @@ 60 60 * 4000mAh or 8500mAh Battery for long term use 61 61 62 62 90 + 63 63 == 1.3 Specification == 64 64 65 65 === 1.3.1 Rated environmental conditions === ... ... @@ -66,12 +66,12 @@ 66 66 67 67 [[image:image-20220610154839-1.png]] 68 68 69 -**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 +))) 70 70 71 -**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)** 72 72 73 73 74 - 75 75 === 1.3.2 Effective measurement range Reference beam pattern === 76 76 77 77 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -101,8 +101,6 @@ 101 101 * Sewer 102 102 * Bottom water level monitoring 103 103 104 - 105 - 106 106 == 1.6 Pin mapping and power on == 107 107 108 108 ... ... @@ -827,9 +827,11 @@ 827 827 828 828 [[image:image-20220610172003-1.png]] 829 829 856 + 830 830 [[image:image-20220610172003-2.png]] 831 831 832 832 860 + 833 833 == 2.10 Battery Analysis == 834 834 835 835 === 2.10.1 Battery Type === ... ... @@ -840,7 +840,7 @@ 840 840 The battery related documents as below: 841 841 842 842 * ((( 843 -[[ 871 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 844 844 ))) 845 845 * ((( 846 846 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -856,7 +856,7 @@ 856 856 === 2.10.2 Replace the battery === 857 857 858 858 ((( 859 -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. 860 860 ))) 861 861 862 862 ((( ... ... @@ -864,7 +864,7 @@ 864 864 ))) 865 865 866 866 ((( 867 -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) 868 868 ))) 869 869 870 870 ... ... @@ -879,7 +879,7 @@ 879 879 880 880 * ((( 881 881 ((( 882 -AT Command Connection: See [[FAQ>>||anchor="H 7.A0FAQ"]].910 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]]. 883 883 ))) 884 884 ))) 885 885 * ((( ... ... @@ -1012,6 +1012,7 @@ 1012 1012 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1013 1013 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1014 1014 1043 + 1015 1015 = 4. FAQ = 1016 1016 1017 1017 == 4.1 What is the frequency plan for LDDS75? == ... ... @@ -1071,6 +1071,7 @@ 1071 1071 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1072 1072 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1073 1073 1103 + 1074 1074 = 7. Packing Info = 1075 1075 1076 1076 ... ... @@ -1085,6 +1085,7 @@ 1085 1085 * Package Size / pcs : cm 1086 1086 * Weight / pcs : g 1087 1087 1118 + 1088 1088 = 8. Support = 1089 1089 1090 1090 * 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.