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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... ... @@ -342,8 +342,8 @@ 342 342 343 343 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: 344 344 345 -(% border="1" style="background-color:#ffffcc; color:green; width:5 33px" %)346 -|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width: 75px" %)**4**345 +(% border="1" style="background-color:#ffffcc; color:green; width:541px" %) 346 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:85px" %)**4** 347 347 |(% style="width:96px" %)**Value**|(% style="width:71px" %)[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]|(% style="width:69px" %)((( 348 348 [[Built-In>>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]] 349 349 ... ... @@ -354,17 +354,15 @@ 354 354 [[Built-in>>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]] 355 355 356 356 [[Humidity>>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]] 357 -)))|(% style="width:69px" %)Status & Ext|(% style="width:75px" %)((( 358 -[[Unix>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]] 359 - 360 -[[Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]] 357 +)))|(% style="width:69px" %)Status & Ext|(% style="width:85px" %)((( 358 +[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]] 361 361 ))) 362 362 363 363 * **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)** 364 364 365 -(% border="1" style="background-color:#ffffcc; color:green; width: 587px" %)366 -|Bit(bit)|(% style="width:2 80px" %)[15:14]|(% style="width:136px" %)[11:0]367 -|Value|(% style="width:2 80px" %)(((363 +(% border="1" style="background-color:#ffffcc; color:green; width:469px" %) 364 +|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0] 365 +|(% style="width:65px" %)Value|(% style="width:267px" %)((( 368 368 BAT Status 369 369 370 370 00(b): Ultra Low ( BAT <= 2.50v) ... ... @@ -374,7 +374,7 @@ 374 374 10(b): OK (2.55v <= BAT <=2.65v) 375 375 376 376 11(b): Good (BAT >= 2.65v) 377 -)))|(% style="width:13 6px" %)(((375 +)))|(% style="width:134px" %)((( 378 378 [[Built-in 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]] 379 379 380 380 ... ... @@ -382,9 +382,9 @@ 382 382 383 383 * **Status & Ext Byte** 384 384 385 -(% border="1" style="background-color:#ffffcc; color:green; width:7 32px" %)386 -|(% style="width:1 28px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]**387 -|(% style="width:1 28px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)(((383 +(% border="1" style="background-color:#ffffcc; color:green; width:587px" %) 384 +|(% style="width:109px" %)**Bits**|(% style="width:105px" %)**7**|(% style="width:105px" %)**6**|(% style="width:82px" %)**5**|(% style="width:84px" %)**4**|(% style="width:97px" %)**[3:0]** 385 +|(% style="width:109px" %)**Status & Ext**|(% style="width:105px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:82px" %)Sync time OK|(% style="width:84px" %)Unix Time Request|(% style="width:97px" %)((( 388 388 Ext:0b(1001) 389 389 ))) 390 390 ... ... @@ -440,29 +440,44 @@ 440 440 Below is the converter example 441 441 ))) 442 442 443 -[[image:image-20220523001219-12.png||height=" 302" width="730"]]441 +[[image:image-20220523001219-12.png||height="298" width="720"]] 444 444 445 445 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 446 446 447 - 448 448 === 2.6.2 Set Device Time === 449 449 447 +((( 450 450 There are two ways to set device’s time: 449 +))) 451 451 451 +((( 452 452 **~1. Through LoRaWAN MAC Command (Default settings)** 453 +))) 453 453 455 +((( 454 454 User need to set SYNCMOD=1 to enable sync time via MAC command. 457 +))) 455 455 459 +((( 456 456 Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days). 461 +))) 457 457 463 +((( 458 458 Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1. 465 +))) 459 459 467 +((( 468 + 469 +))) 460 460 471 +((( 461 461 **2. Manually Set Time** 473 +))) 462 462 475 +((( 463 463 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server. 477 +))) 464 464 465 - 466 466 === 2.6.3 Poll sensor value === 467 467 468 468 User can poll sensor value based on timestamps from the server. Below is the downlink command.