Skip to Content
Last modified by Mengting Qiu on 2025/07/01 15:58
From version 104.3
edited by Edwin Chen
on 2025/06/27 11:03
Change comment: There is no comment for this version
To version 105.1
edited by Edwin Chen
on 2025/06/27 11:06
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -436,33 +436,32 @@
436 436  === 2.5.2 Enable Datalog ===
437 437  
438 438  
439 -=== 2.5.3 Unix TimeStamp ===
439 +User need to make sure below two settings are enable to use datalog;
440 440  
441 +* (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via LoRaWAN MAC command
442 +* (% style="color:blue" %)**PMACKMD=1**(%%)** **to enable datalog feature
441 441  
442 -S31x-LB/LS uses Unix TimeStamp format based on
443 443  
444 -[[image:image-20250328173339-5.jpeg]]
445 445  
446 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
446 +Once S31x-LB/LS Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to S31x-LB/LS. If S31x-LB/LS fails to get the time from the server, S31x-LB/LS will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
447 447  
448 -Below is the converter example
448 +(% style="color:red" %)**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.**
449 449  
450 -[[image:image-20250328173355-6.jpeg]]
451 451  
451 +=== 2.5.3 Unix TimeStamp ===
452 452  
453 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
454 454  
454 +S31x-LB/LS uses Unix TimeStamp format based on
455 455  
456 -=== 2.5.3 Set Device Time ===
456 +[[image:image-20250328173339-5.jpeg]]
457 457  
458 +User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
458 458  
459 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
460 +Below is the converter example
460 460  
461 -Once S31x-LB/LS Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to S31x-LB/LS. If S31x-LB/LS fails to get the time from the server, S31x-LB/LS will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
462 +[[image:image-20250328173355-6.jpeg]]
462 462  
463 -(% style="color:red" %)**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.**
464 464  
465 -
466 466  === 2.5.4 Datalog Uplink payload (FPORT~=3) ===
467 467  
468 468