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Last modified by Kilight Cao on 2025/06/12 14:27
From version 19.3
edited by Kilight Cao
on 2025/06/12 13:46
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To version 14.2
edited by Xiaoling
on 2022/05/31 09:29
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1 -How to set the transmit time interval -- LoRaWAN End node
1 +How to set the transmit time interval
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1 -XWiki.Kilight
1 +XWiki.Xiaoling
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1 -**~ Table of Contents:**
1 +
2 2  
3 -{{toc/}}
3 += 1. Introduction =
4 4  
5 -
6 -
7 -
8 -= **1. Introduction** =
9 -
10 -
11 11  This chapter describes how to set Transmit Time Interval.
12 12  
13 13  
14 -= **2. Downlink Payload** =
8 += 2. Downlink Payload =
15 15  
16 -
17 17  TDC can be controlled by Downlink Payload.
18 18  
19 19  (((
20 -**For example**: AT+TDC=0x258=600s ** ; Payload: **01 00 02 58 TDC=600s The time interval is represented by hexadecimal conversion to decimal.
13 +**For example**: AT+TDC=0x258=600s Payload: 01 00 02 58 TDC=600s The time interval is represented by hexadecimal conversion to decimal.
21 21  )))
22 22  
23 23  [[image:image-20220527085044-1.png]]
24 24  
25 25  
26 -If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), 3C (HEX) = 60 (decimal)，while type code is 01.
19 +If the payload=0100003C, it means set the END Node’s TDC to 0x00003C=60(S), 3C (HEX) = 60 (decimal)，while type code is 01.
27 27  
28 -**Payload: **01 00 00 1E TDC=30s Payload: 01 00 00 3C TDC=60s
21 +Payload: 01 00 00 1E TDC=30s Payload: 01 00 00 3C TDC=60s
29 29  
23 +[[image:image-20220527085157-3.png]]
30 30  
31 -== **2.1 Example Downlink payload setting in TTN:** ==
32 32  
33 -[[image:image-20221110143023-2.png||height="632" width="808"]]
26 +== 3. Downlink Method ==
34 34  
35 -
36 -== **2.2 Example Downlink payload use the Bluetooth:** ==
37 -
38 -
39 -(% style="color:red" %)**Note: This feature is only available on devices that support Bluetooth sensors.**
40 -
41 -
42 -Here list the models that support BLE and the method to activate BLE function.
43 -
44 -(% style="color:blue" %)**Models:**(%%)** **All models with -LB, -LS , -NB, -NS, -CB, -CS suffix
45 -
46 -(% style="color:blue" %)**BLE Activate Method:**
47 -
48 -Device is battery power type and BLE will be only activate on below case:
49 -
50 -* Press button to send an uplink
51 -
52 -* Press button to active device.
53 -
54 -* Device Power on or reset.
55 -
56 -If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
57 -
58 -
59 -
60 -= **3. Downlink Method** =
61 -
62 -
63 63  See use  note for different serves [[Servers Note>>doc:Main.WebHome]](IoT LoRaWAN Server)
64 -
65 -
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