Last modified by Mengting Qiu on 2024/04/30 14:27
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From version < 80.1 >
edited by Edwin Chen
on 2022/05/24 23:53
To version < 76.7 >
edited by Xiaoling
on 2022/05/23 15:40
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Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="317" width="317"]]
2 +[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
3 3  
4 4  
5 5  **LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
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6 6  
7 7  
8 8  
9 -
10 10  **Table of Contents：**
11 11  
12 12  {{toc/}}
... ... @@ -13,9 +13,8 @@
13 13  
14 14  
15 15  
15 += 1.Introduction =
16 16  
17 -= 1. Introduction =
18 -
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 21  (((
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134 134  
135 135  [[image:image-20220515123819-1.png||height="379" width="317"]]
136 136  
137 -[[image:image-20220523153201-19.png||height="180" width="818"]]
135 +[[image:image-20220523153201-19.png||height="163" width="739"]]
138 138  
139 139  == 2.3 Example to join LoRaWAN network ==
140 140  
... ... @@ -219,7 +219,7 @@
219 219  [[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]]
220 220  )))
221 221  )))|(% style="width:47px" %)(((
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]] #
220 +[[Ext>>path:#Extension_Sensor]] #
223 223  )))|(% style="width:51px" %)(((
224 224  [[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]]
225 225  )))
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300 300  
301 301  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:
302 302  
303 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
301 +(% border="1" style="background-color:#ffffcc; color:green; width:468px" %)
304 304  |(% style="width:96px" %)(((
305 305  **Size(bytes)**
306 306  )))|(% style="width:71px" %)(((
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401 401  
402 402  == 2.6 Datalog Feature ==
403 403  
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.
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.
405 405  
406 -=== 2.6.1 Ways to get datalog via LoRaWAN ===
404 +=== 2.6.1 Unix TimeStamp ===
407 407  
408 -There are two methods:
409 -
410 -1. IoT Server sends a downlink LoRaWAN command to [poll the value>PollSensorValue].
411 -1.
412 -
413 -
414 -=== 2.6.2 Unix TimeStamp ===
415 -
416 416  LHT65N uses Unix TimeStamp format based on
417 417  
418 418  [[image:image-20220523001219-11.png||height="97" width="627"]]
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430 430  
431 431  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
432 432  
433 -=== 2.6.3 Set Device Time ===
423 +=== 2.6.2 Set Device Time ===
434 434  
435 435  (((
436 436  There are two ways to set device’s time:
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464 464  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
465 465  )))
466 466  
467 -=== [[2.6.4 Poll sensor value>>2.6.4 Poll sensor value||anchor="PollSensorValue"]] ===
457 +=== 2.6.3 Poll sensor value ===
468 468  
469 469  User can poll sensor value based on timestamps from the server. Below is the downlink command.
470 470  
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475 475  )))
476 476  
477 477  (((
478 -For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
468 +For example, downlink command **31 5FC5F350 5FC6 0160 05**
479 479  )))
480 480  
481 481  (((
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487 487  )))
488 488  
489 489  
490 -=== 2.6.5 Datalog Uplink payload ===
480 +=== 2.6.4 Datalog Uplink payload ===
491 491  
492 492  The Datalog poll reply uplink will use below payload format.
493 493  
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495 495  **Retrieval data payload**
496 496  )))
497 497  
498 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
488 +(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
499 499  |(% style="width:93px" %)(((
500 500  (((
501 501  **Size(bytes)**
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808 808  
809 809  [[image:image-20220523150701-2.png]]
810 810  
811 -(((
812 812  **Downlink Command: 0x01**
813 -)))
814 814  
815 -(((
816 816  Format: Command Code (0x01) followed by 3 bytes time value.
817 -)))
818 818  
819 -(((
820 820  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
821 -)))
822 822  
823 -* (((
824 -**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
825 -)))
826 -* (((
827 -**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
828 -)))
807 +* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
808 +* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
829 829  
830 830  == 4.2 Set External Sensor Mode ==
831 831  
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835 835  
836 836  [[image:image-20220523150759-3.png]]
837 837  
838 -(((
839 839  **Downlink Command: 0xA2**
840 -)))
841 841  
842 -(((
843 843  Total bytes: 2 ~~ 5 bytes
844 -)))
845 845  
846 -(((
847 847  **Example:**
848 -)))
849 849  
850 -* (((
851 -0xA201: Set external sensor type to E1
852 -)))
853 -* (((
854 -0xA209: Same as AT+EXT=9
855 -)))
856 -* (((
857 -0xA20702003c,Same as AT+SETCNT=60
858 -)))
824 +* 0xA201: Set external sensor type to E1
825 +* 0xA209: Same as AT+EXT=9
826 +* 0xA20702003c,Same as AT+SETCNT=60
859 859  
860 860  == 4.3 Enable/Disable uplink Temperature probe ID ==
861 861  
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883 883  
884 884  [[image:image-20220523151052-5.png]]
885 885  
886 -(((
887 887  **Downlink Command:**
888 -)))
889 889  
890 -(((
891 891  No downlink command for this feature.
892 -)))
893 893  
894 894  == 4.5 Quit AT Command ==
895 895  
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929 929  
930 930  == 4.8 Set Time Sync Mode ==
931 931  
932 -(((
933 933  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
934 -)))
935 935  
936 -(((
937 937  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
938 -)))
939 939  
940 -(((
941 941  **AT Command:**
942 -)))
943 943  
944 944  [[image:image-20220523151336-9.png]]
945 945  
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1029 1029  = 6. Order Info =
1030 1030  
1031 1031  (((
1032 -Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
990 +Part Number: (% style="color:#4f81bd" %)** LHT65N-XX**
1033 1033  )))
1034 1034  
1035 1035  (((

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