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 ... ... @@ -241,8 +241,6 @@ 241 241 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 242 242 * 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. 243 243 244 - 245 - 246 246 === 2.3.3 Interrupt Pin === 247 247 248 248 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. ... ... @@ -812,8 +812,6 @@ 812 812 * Solid ON for 5 seconds once device successful Join the network. 813 813 * Blink once when device transmit a packet. 814 814 815 - 816 - 817 817 == 2.8 Firmware Change Log == 818 818 819 819 ... ... @@ -833,6 +833,7 @@ 833 833 [[image:image-20220610172003-2.png]] 834 834 835 835 860 + 836 836 == 2.10 Battery Analysis == 837 837 838 838 === 2.10.1 Battery Type === ... ... @@ -843,7 +843,7 @@ 843 843 The battery related documents as below: 844 844 845 845 * ((( 846 -[[ 871 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 847 847 ))) 848 848 * ((( 849 849 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -859,7 +859,7 @@ 859 859 === 2.10.2 Replace the battery === 860 860 861 861 ((( 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.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. 863 863 ))) 864 864 865 865 ((( ... ... @@ -867,7 +867,7 @@ 867 867 ))) 868 868 869 869 ((( 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)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) 871 871 ))) 872 872 873 873 ... ... @@ -882,7 +882,7 @@ 882 882 883 883 * ((( 884 884 ((( 885 -AT Command Connection: See [[FAQ>>||anchor="H 7.A0FAQ"]].910 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]]. 886 886 ))) 887 887 ))) 888 888 * ((( ... ... @@ -1015,6 +1015,7 @@ 1015 1015 * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode 1016 1016 * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger 1017 1017 1043 + 1018 1018 = 4. FAQ = 1019 1019 1020 1020 == 4.1 What is the frequency plan for LDDS75? == ... ... @@ -1074,6 +1074,7 @@ 1074 1074 * (% style="color:red" %)**4 **(%%)**: **4000mAh battery 1075 1075 * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery 1076 1076 1103 + 1077 1077 = 7. Packing Info = 1078 1078 1079 1079 ... ... @@ -1088,6 +1088,7 @@ 1088 1088 * Package Size / pcs : cm 1089 1089 * Weight / pcs : g 1090 1090 1118 + 1091 1091 = 8. Support = 1092 1092 1093 1093 * 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.