Last modified by Mengting Qiu on 2024/04/30 14:27
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From version < 76.9 >
edited by Xiaoling
on 2022/05/23 15:45
To version < 96.1 >
edited by Edwin Chen
on 2022/05/25 10:37
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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
2 +[[image:image-20220523115324-1.jpeg||height="317" width="317"]]
3 3  
4 4  
5 5  **LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
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6 6  
7 7  
8 8  
9 +
9 9  **Table of Contents：**
10 10  
11 11  {{toc/}}
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12 12  
13 13  
14 14  
15 -= 1.Introduction =
16 16  
17 += 1. Introduction =
18 +
17 17  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
18 18  
19 19  (((
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132 132  
133 133  [[image:image-20220515123819-1.png||height="379" width="317"]]
134 134  
135 -[[image:image-20220523153201-19.png||height="163" width="739"]]
137 +[[image:image-20220523153201-19.png||height="180" width="818"]]
136 136  
137 137  == 2.3 Example to join LoRaWAN network ==
138 138  
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203 203  |(% style="width:97px" %)(((
204 204  **Value**
205 205  )))|(% style="width:39px" %)(((
206 -[[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"]]
207 207  )))|(% style="width:100px" %)(((
208 208  (((
209 -[[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"]]
210 210  )))
211 211  )))|(% style="width:77px" %)(((
212 212  (((
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217 217  [[Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
218 218  )))
219 219  )))|(% style="width:47px" %)(((
220 -[[Ext>>path:#Extension_Sensor]] #
222 +[[Ext>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.5Ext23]] #
221 221  )))|(% style="width:51px" %)(((
222 222  [[Ext value>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
223 223  )))
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298 298  
299 299  Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
300 300  
301 -(% border="1" style="background-color:#ffffcc; color:green; width:520px" %)
303 +(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
302 302  |(% style="width:96px" %)(((
303 303  **Size(bytes)**
304 304  )))|(% style="width:71px" %)(((
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399 399  
400 400  == 2.6 Datalog Feature ==
401 401  
402 -This feature is always enabled. 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.
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.
403 403  
404 -=== 2.6.1 Unix TimeStamp ===
406 +=== 2.6.1 Ways to get datalog via LoRaWAN ===
405 405  
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 +
406 406  LHT65N uses Unix TimeStamp format based on
407 407  
408 408  [[image:image-20220523001219-11.png||height="97" width="627"]]
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420 420  
421 421  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
422 422  
423 -=== 2.6.2 Set Device Time ===
432 +=== 2.6.3 Set Device Time ===
424 424  
425 425  (((
426 426  There are two ways to set device’s time:
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454 454  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
455 455  )))
456 456  
457 -=== 2.6.3 Poll sensor value ===
466 +=== 2.6.4 Poll sensor value ===
458 458  
459 459  User can poll sensor value based on timestamps from the server. Below is the downlink command.
460 460  
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465 465  )))
466 466  
467 467  (((
468 -For example, downlink command **31 5FC5F350 5FC6 0160 05**
477 +For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
469 469  )))
470 470  
471 471  (((
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477 477  )))
478 478  
479 479  
480 -=== 2.6.4 Datalog Uplink payload ===
489 +=== 2.6.5 Datalog Uplink payload ===
481 481  
482 482  The Datalog poll reply uplink will use below payload format.
483 483  
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485 485  **Retrieval data payload**
486 486  )))
487 487  
488 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
497 +(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
489 489  |(% style="width:93px" %)(((
490 490  (((
491 491  **Size(bytes)**
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987 987  
988 988  * Example: 0xA301 ~/~/Same as AT+CLRDTA
989 989  
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 +
990 990  = 5. Battery & How to replace =
991 991  
992 992  == 5.1 Battery Type ==

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