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Last modified by Mengting Qiu on 2025/07/01 15:58
From version 26.1
edited by Ellie Zhang
on 2023/05/06 14:35
Change comment: There is no comment for this version
To version 16.5
edited by kai
on 2023/04/23 15:13
Change comment: There is no comment for this version

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1 -XWiki.Ellie
1 +XWiki.kai
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1 -(% style="text-align:center" %)
2 -[[image:S31-B.jpg]]
1 +
3 3  
4 4  
5 -
6 -
7 7  **Table of Contents：**
8 8  
9 9  {{toc/}}
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65 65  * Downlink to change configure
66 66  * 8500mAh Battery for long term use
67 67  
68 -
69 69  == 1.3 Specification ==
70 70  
71 71  
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108 108  * Sleep Mode: 5uA @ 3.3v
109 109  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
110 110  
111 -
112 112  == 1.4 Sleep mode and working mode ==
113 113  
114 114  
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136 136  )))
137 137  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
138 138  
139 -
140 140  == 1.6 BLE connection ==
141 141  
142 142  
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199 199  
200 200  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
201 201  
196 +
202 202  The LPS8V2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
203 203  
204 204  
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206 206  
207 207  Each S31x-LB is shipped with a sticker with the default device EUI as below:
208 208  
209 -[[image:image-20230426084152-1.png||height="233" width="502"]]
204 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220607170145-1.jpeg?rev=1.1||alt="image-20220607170145-1.jpeg"]]
210 210  
211 211  
207 +
212 212  You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
213 213  
214 214  
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427 427  
428 428  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
429 429  
430 -Once S31x-LB 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. If S31x-LB fails to get the time from the server, S31x-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
426 +Once S31-LB 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. If S31x-LB fails to get the time from the server, S31x-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
431 431  
432 432  (% 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.**
433 433  
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476 476  
477 477  If S31x-LB has below data inside Flash:
478 478  
479 -[[image:1682646494051-944.png]]
475 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523144455-1.png?width=735&height=335&rev=1.1||alt="image-20220523144455-1.png" height="335" width="735"]]
480 480  
481 481  If user sends below downlink command: 3160065F9760066DA705
482 482  
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552 552  * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
553 553  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
554 554  
555 -
556 556  == 3.2 General Commands ==
557 557  
558 558  
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681 681  
682 682  * Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
683 683  
684 -
685 685  === 3.3.7 Set Interrupt Mode ===
686 686  
687 687  
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713 713  * Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
714 714  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
715 715  
716 -
717 717  = 4. Battery & Power Consumption =
718 718  
719 719  
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740 740  * (Recommanded way) OTA firmware update via wireless: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
741 741  * Update through UART TTL interface. **[[Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
742 742  
743 -
744 744  = 6. FAQ =
745 745  
746 746  
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768 768  
769 769  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
770 770  
771 -
772 772  = 8. ​Packing Info =
773 773  
774 774  
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786 786  
787 787  * Weight / pcs : g
788 788  
789 -
790 790  = 9. Support =
791 791  
792 792  
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