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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... ... @@ -649,6 +649,8 @@ 649 649 (% _mstvisible="1" %) 650 650 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]] 651 651 652 + 653 + 652 652 (% _mstvisible="1" %) 653 653 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) == 654 654 ... ... @@ -655,6 +655,7 @@ 655 655 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %) 656 656 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. 657 657 660 + 658 658 (% _mstvisible="1" %) 659 659 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) === 660 660 ... ... @@ -665,6 +665,8 @@ 665 665 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range. 666 666 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. 667 667 671 + 672 + 668 668 (% _mstvisible="1" %) 669 669 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) === 670 670