Changes for page LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/30 14:27
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... ... @@ -205,10 +205,10 @@ 205 205 |(% style="width:97px" %)((( 206 206 **Value** 207 207 )))|(% style="width:39px" %)((( 208 -[[BAT>> path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.2BAT-BatteryInfo]]208 +[[BAT>>||anchor="H2.4.2BAT-BatteryInfo"]] 209 209 )))|(% style="width:100px" %)((( 210 210 ((( 211 -[[Built-In Temperature>> http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]211 +[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]] 212 212 ))) 213 213 )))|(% style="width:77px" %)((( 214 214 ((( ... ... @@ -401,10 +401,17 @@ 401 401 402 402 == 2.6 Datalog Feature == 403 403 404 - Thisfeature isalwaysenabled. When userwants toretrievethe sensorvalue, hecansendapollcommand from theIoT platformto askLHT65Ntosendthevalue inthe requiredtimeslot.404 +Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N. 405 405 406 -=== 2.6.1 UnixTimeStamp===406 +=== 2.6.1 Ways to get datalog via LoRaWAN === 407 407 408 +There are two methods: 409 + 410 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range. 411 +1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover. 412 + 413 +=== 2.6.2 Unix TimeStamp === 414 + 408 408 LHT65N uses Unix TimeStamp format based on 409 409 410 410 [[image:image-20220523001219-11.png||height="97" width="627"]] ... ... @@ -422,7 +422,7 @@ 422 422 423 423 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 424 424 425 -=== 2.6. 2Set Device Time ===432 +=== 2.6.3 Set Device Time === 426 426 427 427 ((( 428 428 There are two ways to set device’s time: ... ... @@ -456,7 +456,7 @@ 456 456 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server. 457 457 ))) 458 458 459 -=== 2.6. 3Poll sensor value ===466 +=== 2.6.4 Poll sensor value === 460 460 461 461 User can poll sensor value based on timestamps from the server. Below is the downlink command. 462 462 ... ... @@ -479,7 +479,7 @@ 479 479 ))) 480 480 481 481 482 -=== 2.6. 4Datalog Uplink payload ===489 +=== 2.6.5 Datalog Uplink payload === 483 483 484 484 The Datalog poll reply uplink will use below payload format. 485 485 ... ... @@ -989,6 +989,22 @@ 989 989 990 990 * Example: 0xA301 ~/~/Same as AT+CLRDTA 991 991 999 +== 4.13 Auto Send None-ACK messages == 1000 + 1001 +Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message. 1002 + 1003 + 1004 +**AT Command: AT+PNACKMD** 1005 + 1006 +The default factory setting is 0 1007 + 1008 +|**Command Example**|**Function**|**Response** 1009 +|AT+PNACKMD=1|Poll None-ACK message|OK 1010 + 1011 +**Downlink Command: 0x34** 1012 + 1013 +* Example: 0x3401 ~/~/Same as AT+PNACKMD=1 1014 + 992 992 = 5. Battery & How to replace = 993 993 994 994 == 5.1 Battery Type ==