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Last modified by Xiaoling on 2025/07/10 16:21
From version 146.3
edited by Mengting Qiu
on 2025/07/08 10:58
Change comment: There is no comment for this version
To version 147.1
edited by Mengting Qiu
on 2025/07/08 10:59
Change comment: There is no comment for this version

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627 627  Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, PS-LB will store the reading for future retrieving purposes.
628 628  
629 629  
630 -=== 2.5.1 How datalog works ===
630 +=== 2.6.1 How datalog works ===
631 631  
632 632  
633 633  PS-LB will wait for ACK for every uplink, when there is no LoRaWAN network,PS-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
... ... @@ -641,7 +641,7 @@
641 641  
642 642  )))
643 643  
644 -=== 2.5.2 Enable Datalog ===
644 +=== 2.6.2 Enable Datalog ===
645 645  
646 646  
647 647  User need to make sure below two settings are enable to use datalog;
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656 656  (% 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.**
657 657  
658 658  
659 -=== 2.6.1 Unix TimeStamp ===
659 +=== 2.6.3 Unix TimeStamp ===
660 660  
661 661  
662 662  PS-LB uses Unix TimeStamp format based on
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670 670  [[image:image-20250401163906-4.jpeg]]
671 671  
672 672  
673 -=== 2.6.3 Poll sensor value ===
673 +=== 2.6.4 Poll sensor value ===
674 674  
675 675  Users can poll sensor values based on timestamps. Below is the downlink command.
676 676  
... ... @@ -690,7 +690,7 @@
690 690  Uplink Internal =5s，means PS-LB will send one packet every 5s. range 5~~255s.
691 691  
692 692  
693 -=== 2.6.4 Datalog Uplink payload (FPORT~=3) ===
693 +=== 2.6.5 Datalog Uplink payload (FPORT~=3) ===
694 694  
695 695  
696 696  The Datalog uplinks will use below payload format.
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790 790  Note: water_deep in the data needs to be converted using decoding to get it.
791 791  
792 792  
793 -=== 2.6.5 Decoder in TTN V3 ===
793 +=== 2.6.6 Decoder in TTN V3 ===
794 794  
795 795  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652862574387-195.png?width=722&height=359&rev=1.1||alt="1652862574387-195.png" height="359" width="722"]]
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