Skip to Content
Last modified by Mengting Qiu on 2025/07/01 15:58
From version 104.2
edited by Edwin Chen
on 2025/06/27 11:01
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
... ... @@ -428,36 +428,40 @@
428 428  a) S31x-LB/LS will do an ACK check for data records sending to make sure every data arrive server.
429 429  )))
430 430  * (((
431 -b) S31x-LB/LS will send data in **CONFIRMED Mode**, but S31x-LB/LS won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if S31x-LB/LS gets a ACK, S31x-LB/LS will consider there is a network connection and resend all NONE-ACK messages.
431 +b) S31x-LB/LS will send data in **CONFIRMED Mode**, but S31x-LB/LS won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if S31x-LB/LS gets a ACK, S31x-LB/LS will consider there is a network connection and resend all NONE-ACK messages.
432 +
433 +
432 432  )))
433 433  
434 -=== 2.5.2 Unix TimeStamp ===
436 +=== 2.5.2 Enable Datalog ===
435 435  
436 436  
437 -S31x-LB/LS uses Unix TimeStamp format based on
439 +User need to make sure below two settings are enable to use datalog;
438 438  
439 -[[image:image-20250328173339-5.jpeg]]
441 +* (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via LoRaWAN MAC command
442 +* (% style="color:blue" %)**PMACKMD=1**(%%)** **to enable datalog feature
440 440  
441 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
442 442  
443 -Below is the converter example
444 444  
445 -[[image:image-20250328173355-6.jpeg]]
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).
446 446  
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.**
447 447  
448 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
449 449  
451 +=== 2.5.3 Unix TimeStamp ===
450 450  
451 -=== 2.5.3 Set Device Time ===
452 452  
454 +S31x-LB/LS uses Unix TimeStamp format based on
453 453  
454 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
456 +[[image:image-20250328173339-5.jpeg]]
455 455  
456 -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).
458 +User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
457 457  
458 -(% 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.**
460 +Below is the converter example
459 459  
462 +[[image:image-20250328173355-6.jpeg]]
460 460  
464 +
461 461  === 2.5.4 Datalog Uplink payload (FPORT~=3) ===
462 462  
463 463