<
From version < 79.1 >
edited by Edwin Chen
on 2022/05/24 23:46
To version < 90.1 >
edited by Edwin Chen
on 2022/05/25 00:46
>
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405 405  
406 406  === 2.6.1 Ways to get datalog via LoRaWAN ===
407 407  
408 -When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot.
408 +There are two methods:
409 409  
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, LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will sent all messages after network recover.
412 +
410 410  === 2.6.2 Unix TimeStamp ===
411 411  
412 412  LHT65N uses Unix TimeStamp format based on
... ... @@ -993,6 +993,25 @@
993 993  
994 994  * Example: 0xA301 ~/~/Same as AT+CLRDTA
995 995  
999 +
1000 +== 4.13 Auto Send None-ACK messages ==
1001 +
1002 +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.
1003 +
1004 +
1005 +**AT Command: AT+PNACKMD**
1006 +
1007 +The default factory setting is 0
1008 +
1009 +|**Command Example**|**Function**|**Response**
1010 +|AT+PNACKMD=1|Poll None-ACK message|OK
1011 +
1012 +
1013 +**Downlink Command: 0x34**
1014 +
1015 +* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1016 +
1017 +
996 996  = 5. Battery & How to replace =
997 997  
998 998  == 5.1 Battery Type ==
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