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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... ... @@ -20,51 +20,24 @@ 20 20 21 21 22 22 ((( 23 -((( 24 24 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 -))) 26 26 27 -((( 28 - 29 -))) 30 30 31 -((( 32 32 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 -))) 34 34 35 -((( 36 - 37 -))) 38 38 39 -((( 40 40 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 -))) 42 42 43 -((( 44 - 45 -))) 46 46 47 -((( 48 48 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 -))) 50 50 51 -((( 52 - 53 -))) 54 54 55 -((( 56 56 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 -))) 58 58 59 -((( 60 - 61 -))) 62 62 63 -((( 64 64 (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors. 65 65 ))) 66 66 ))) 67 -))) 68 68 69 69 70 70 [[image:1654847051249-359.png]] ... ... @@ -87,7 +87,6 @@ 87 87 * 4000mAh or 8500mAh Battery for long term use 88 88 89 89 90 - 91 91 == 1.3 Specification == 92 92 93 93 === 1.3.1 Rated environmental conditions === ... ... @@ -94,12 +94,12 @@ 94 94 95 95 [[image:image-20220610154839-1.png]] 96 96 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 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 100 100 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)** 101 101 102 102 74 + 103 103 === 1.3.2 Effective measurement range Reference beam pattern === 104 104 105 105 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -131,7 +131,6 @@ 131 131 132 132 133 133 134 - 135 135 == 1.6 Pin mapping and power on == 136 136 137 137 ... ... @@ -272,6 +272,9 @@ 272 272 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 273 273 * If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid. 274 274 246 + 247 + 248 + 275 275 === 2.3.3 Interrupt Pin === 276 276 277 277 This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up. ... ... @@ -856,11 +856,9 @@ 856 856 857 857 [[image:image-20220610172003-1.png]] 858 858 859 - 860 860 [[image:image-20220610172003-2.png]] 861 861 862 862 863 - 864 864 == 2.10 Battery Analysis == 865 865 866 866 === 2.10.1 Battery Type === ... ... @@ -871,7 +871,7 @@ 871 871 The battery related documents as below: 872 872 873 873 * ((( 874 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 846 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 875 875 ))) 876 876 * ((( 877 877 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -887,7 +887,7 @@ 887 887 === 2.10.2 Replace the battery === 888 888 889 889 ((( 890 -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.862 +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. 891 891 ))) 892 892 893 893 ((( ... ... @@ -895,7 +895,7 @@ 895 895 ))) 896 896 897 897 ((( 898 -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)870 +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) 899 899 ))) 900 900 901 901 ... ... @@ -910,7 +910,7 @@ 910 910 911 911 * ((( 912 912 ((( 913 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].885 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 914 914 ))) 915 915 ))) 916 916 * ((( ... ... @@ -1043,7 +1043,6 @@ 1043 1043 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1044 1044 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1045 1045 1046 - 1047 1047 = 4. FAQ = 1048 1048 1049 1049 == 4.1 What is the frequency plan for LDDS75? == ... ... @@ -1103,7 +1103,6 @@ 1103 1103 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1104 1104 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1105 1105 1106 - 1107 1107 = 7. Packing Info = 1108 1108 1109 1109 ... ... @@ -1118,7 +1118,6 @@ 1118 1118 * Package Size / pcs : cm 1119 1119 * Weight / pcs : g 1120 1120 1121 - 1122 1122 = 8. Support = 1123 1123 1124 1124 * 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.