Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
Last modified by Xiaoling on 2025/04/27 16:45
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... ... @@ -101,6 +101,8 @@ 101 101 * 8500mAh Battery for long term use 102 102 103 103 104 + 105 + 104 104 == 1.3 Suitable Container & Liquid == 105 105 106 106 * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc. ... ... @@ -111,6 +111,7 @@ 111 111 * Pure liquid without irregular deposition. 112 112 113 113 116 + 114 114 == 1.4 Mechanical == 115 115 116 116 [[image:image-20220615090910-1.png]] ... ... @@ -200,24 +200,31 @@ 200 200 * Smart liquefied gas solution. 201 201 202 202 206 +== 1.7 Precautions == 203 203 204 -== 1.6 Pin mapping and power on == 208 +* At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights. 209 +* For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container. 210 +* When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable. 205 205 206 206 207 - [[image:1654847583902-256.png]]213 +== 1.8 Pin mapping and power on == 208 208 209 209 216 +[[image:1655257026882-201.png]] 210 210 211 -= 2. Configure LDDS75 to connect to LoRaWAN network = 212 212 219 + 220 += 2. Configure LDDS20 to connect to LoRaWAN network = 221 + 222 + 213 213 == 2.1 How it works == 214 214 215 215 ((( 216 -The LDDS 75is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value226 +The LDDS20 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value. 217 217 ))) 218 218 219 219 ((( 220 -In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0 ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.230 +In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0UsingtheATCommands"]]to set the keys in the LDDS20. 221 221 ))) 222 222 223 223