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]] ... ... @@ -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);** 96 +((( 97 +**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)** 98 +))) 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.** ... ... @@ -211,12 +211,12 @@ 211 211 **Size (bytes)** 212 212 )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 213 213 |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 214 -[[Distance>>||anchor="H2.3. 3A0Distance"]]241 +[[Distance>>||anchor="H2.3.2A0Distance"]] 215 215 216 216 (unit: mm) 217 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3. 4A0Distancesignalstrength"]]|(((218 -[[Temperature (Optional )>>||anchor="H2.3. 5A0InterruptPin"]]219 -)))|[[Sensor Flag>> path:#Sensor_Flag]]244 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|((( 245 +[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]] 246 +)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]] 220 220 221 221 [[image:1654850511545-399.png]] 222 222 ... ... @@ -245,7 +245,7 @@ 245 245 246 246 === 2.3.3 Interrupt Pin === 247 247 248 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H 4.2A0SetInterruptMode"]] for the hardware and software set up.275 +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. 249 249 250 250 **Example:** 251 251 ... ... @@ -827,9 +827,11 @@ 827 827 828 828 [[image:image-20220610172003-1.png]] 829 829 857 + 830 830 [[image:image-20220610172003-2.png]] 831 831 832 832 861 + 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 -[[ 872 +[[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.888 +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)896 +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"]].911 +AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]]. 883 883 ))) 884 884 ))) 885 885 * (((