LS -- LoRaWAN Outdoor Temperature & Humidity Sensor User Manual

Last modified by Mengting Qiu on 2025/07/01 15:58

From 2.1 to 3.1 From 11.1 to 12.1

From version 3.1

edited by Edwin Chen
on 2023/04/16 13:09

Change comment: There is no comment for this version

To version 11.1

edited by Edwin Chen
on 2023/04/16 17:51

Change comment: There is no comment for this version

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@@ -17,7 +17,7 @@
  The Dragino S31x-LB is a (% style="color:blue" %)**LoRaWAN Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via LoRaWAN wireless protocol.
--The temperature & humidity sensor used in S31x-LB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a **waterproof anti-condensation casing **for long term use.
++The temperature & humidity sensor used in S31x-LB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use.
  The LoRa wireless technology used in S31x-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
@@ -36,9 +36,9 @@
  * LoRaWAN 1.0.3 Class A
  * Ultra-low power consumption
--* 1 ~~ 3 External Temperature Probesr
++* External 3 meters SHT31 probe (For S31-LB)
  * Measure range -55°C ~~ 125°C
--* Temperature alarm
++* Temperature & Humidity alarm
  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
  * Support Bluetooth v5.1 and LoRaWAN remote configure
  * Support wireless OTA update firmware
@@ -56,10 +56,18 @@
  (% style="color:#037691" %)**Temperature Sensor:**
--* Dallas DS18B20
--* Range: -55 to + 125°C
--* Accuracy ±0.5°C (max ±2.0 °C).
++* Range: -40 to + 80°C
++* Accuracy: ±0.2 @ 0-90 °C
++* Resolution: 0.1°C
++* Long Term Shift: <0.03 °C/yr
++(% style="color:#037691" %)**Humidity Sensor: **
++
++* Range: 0 ~~ 99.9% RH
++* Accuracy: ± 2%RH ( 0 ~~ 100%RH)
++* Resolution: 0.01% RH
++* Long Term Shift: <0.25 %RH/yr
++
  (% style="color:#037691" %)**LoRa Spec:**
  * Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
@@ -91,7 +91,7 @@
  == 1.5 Button & LEDs ==
--[[image:1675071855856-879.png]]
++[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
@@ -105,7 +105,7 @@
  (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
  Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
  )))
--|(% 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 D2x-LB is in Deep Sleep Mode.
++|(% 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.
  == 1.6 BLE connection ==
@@ -127,30 +127,19 @@
  (% border="1" cellspacing="10" style="background-color:#f7faff; width:510px" %)
  |=(% style="width: 102px;" %)Model|=(% style="width: 190px;" %)Photo|=(% style="width: 297px;" %)Probe Info
--|(% style="width:102px" %)**D20-LB**|(% style="width:190px" %) |(% style="width:297px" %)(((
--1 x DS28B20 Probe
++|(% style="width:102px" %)**S31-LB**|(% style="width:190px" %) |(% style="width:297px" %)(((
++1 x SHT31 Probe
  Cable Length : 2 meters
  )))
--|(% style="width:102px" %)**D22-LB**|(% style="width:190px" %) |(% style="width:297px" %)(((
--2 x DS28B20 Probes
++|(% style="width:102px" %)**S31B-LB**|(% style="width:190px" %) |(% style="width:297px" %)(((
++1 x SHT31 Probe
--Cable lengths total 1.5meters per probe
--
--Cable Drawing: [[See This Link>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-D20/Cable_Drawing/&file=CAB0-35IC-K21G-210811.pdf]]
++Installed in device.
  )))
--|(% style="width:102px" %)(((
-- **D23-LB**
--)))|(% style="width:190px" %) |(% style="width:297px" %)(((
--3 x DS28B20 Probes
--Cable lengths total 1.5meters per probe
--
--Cable Drawing: [[See This Link>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-D20/Cable_Drawing/&file=CAB0-35IC-K31G-210811.pdf]]
--)))
--
  (% style="display:none" %)
@@ -158,21 +158,21 @@
  == 1.8 Mechanical ==
--[[image:1675143884058-338.png]]
++[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
--[[image:1675143899218-599.png]]
++[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
--[[image:1675143909447-639.png]]
++[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
--= 2. Configure D2x-LB to connect to LoRaWAN network =
++= 2. Configure S31x-LB to connect to LoRaWAN network =
  == 2.1 How it works ==
--The D2x-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the D2x-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
++The S31x-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the S31x-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
  == 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
@@ -187,9 +187,9 @@
  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.
--(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from D2x-LB.
++(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from S31x-LB.
--Each D2x-LB is shipped with a sticker with the default device EUI as below:
++Each S31x-LB is shipped with a sticker with the default device EUI as below:
  [[image:image-20230131134744-2.jpeg]]
@@ -218,11 +218,12 @@
  [[image:1675144157838-392.png]]
--(% style="color:blue" %)**Step 2:**(%%) Activate on D2x-LB
++(% style="color:blue" %)**Step 2:**(%%) Activate on S31x-LB
--Press the button for 5 seconds to activate the D2x-LB.
++Press the button for 5 seconds to activate the S31x-LB.
++
  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
@@ -233,7 +233,7 @@
  === 2.3.1 Device Status, FPORT~=5 ===
--Users can use the downlink command(**0x26 01**) to ask D2x-LB to send device configure detail, include device configure status. D2x-LB will uplink a payload via FPort=5 to server.
++Users can use the downlink command(**0x26 01**) to ask S31x-LB to send device configure detail, include device configure status. S31x-LB will uplink a payload via FPort=5 to server.
  The Payload format is as below.
@@ -248,7 +248,7 @@
  [[image:image-20230415153147-2.png||height="220" width="1120"]]
--(% style="color:#037691" %)**Sensor Model**(%%): For D2x-LB, this value is 0x19
++(% style="color:#037691" %)**Sensor Model**(%%): For S31x-LB, this value is 0x0A
  (% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
@@ -304,52 +304,23 @@
  === 2.3.2  Sensor Data. FPORT~=2 ===
--D2x-LB will uplink below payload via FPORT=2 after Joined LoRaWAN Network.
++Sensor Data is uplink via FPORT=2
--(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:500px" %)
--|=(% style="width: 62.5px;" %)(((
--**Size (bytes)**
--)))|=(% style="width: 60px;" %)2|=(% style="width: 120px;" %)2|=(% style="width: 60px;" %)2|=(% style="width: 65px;" %)1|=(% style="width: 65px;" %)**2**|=(% style="width: 65px;" %)2
--|(% style="width:65px" %)**Value**|(((
--[[Battery>>||anchor="HBattery:"]]
--)))|(% style="width:91px" %)(((
--[[Temp_ Red or Temp _White>>||anchor="HTemperatureREDorTemperatureWhite:"]]
--)))|(% style="width:61px" %)(((
--ignore
--)))|(% style="width:91px" %)(((
--[[Alarm Flag>>||anchor="HAlarmFlag26MOD:"]]
--)))|(% style="width:99px" %)(((
--[[Temp_White>>||anchor="HTemperatureWhite:"]]
--)))|(% style="width:97px" %)(((
--[[Temp_Black>>||anchor="HTemperatureBlack:"]]
--
--
++|=(((
++**Size(bytes)**
++)))|=2|=4|=1|=**2**|=2
++|**Value**|(((
++[[Battery>>path:#HBattery:]]
++)))|(((
++[[Unix TimeStamp>>path:#H2.4.1UnixTimeStamp]]
++)))|(((
++[[Alarm Flag>>path:#HAlarmFlag26MOD:]]
++)))|(((
++[[Temperature>>path:#HTemperature:]]
++)))|(((
++[[Humidity>>path:#HHumidity:]]
  )))
--**Payload per each model.**
--
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-D20-D22-D23%20LoRaWAN%20Temperature%20Sensor%20User%20Manual/WebHome/image-20220916152530-2.png?rev=1.1||alt="image-20220916152530-2.png" height="240" width="901"]]
--
--
--[[image:image-20230415154139-3.png||height="215" width="1179"]]
--
--
--==== (% style="color:#4472c4" %)**Decode corresponding probe color：**(%%) ====
--
--**D20:**
--
--Red <~-~-> C1
--
--**D22:**
--
--White <~-~-> C1 Red <~-~-> C2
--
--**D23:**
--
--White <~-~->C1  Red <~-~-> C2  Black <~-~-> C3
--
--
--
  ==== (% style="color:#4472c4" %)**Battery:**(%%) ====
  Sensor Battery Level.
@@ -360,10 +360,8 @@
--==== (% style="color:#4472c4" %)**Temperature RED or Temperature White :**(%%) ====
++==== (% style="color:#4472c4" %)**Temperature:**(%%) ====
--**This point to the Red probe in D20-LB or the probe of D22-LB/D23-LB White**
--
  **Example**:
  If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
@@ -373,39 +373,12 @@
  （FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
++==== (% style="color:#4472c4" %)**Humidity:**(%%) ====
--==== (% style="color:#4472c4" %)**Temperature White:**(%%) ====
++Read:0x(0197)=412    Value:  412 / 10=41.2, So 41.2%
--**This point to the Red probe in D22-LB/D23-LB**
--
--**Example**:
--
--If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
--
--If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
--
--（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
--
--
--
--==== (% style="color:#4472c4" %)**Temperature Black:**(%%) ====
--
--
--**This point to the BLACK probe in D23-LB**
--
--
--**Example**:
--
--If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
--
--If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
--
--（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
--
--
--
  ==== (% style="color:#4472c4" %)**Alarm Flag& MOD:**(%%) ====
@@ -415,36 +415,33 @@
  If payload & 0x01 = 0x00  **~-~->** This is a normal uplink message, no alarm
++If payload >> 2 = 0x00     **~-~->**  means MOD=1, This is a sampling uplink message
++If payload >> 2 = 0x31     **~-~->**  means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[this link>>path:#HPolltheAlarmsettings:]] for detail.
--====   ====
--
  == 2.4 Payload Decoder file ==
++In TTN, use can add a custom payload so it shows friendly reading
--(((
--In TTN, use can add a custom payload so it shows friendly.
--)))
++In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**(%%) to add the decoder from:
--(((
--In the page **Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder** to add the decoder from:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
--)))
++[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B >>https://github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B]]
  == 2.5 Datalog Feature ==
--Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, D2x-LB will store the reading for future retrieving purposes.
++Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, S31x-LB will store the reading for future retrieving purposes.
  === 2.5.1 Ways to get datalog via LoRaWAN ===
--Set [[PNACKMD=1>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.13AutoSendNone-ACKmessages]], D2x-LB will wait for ACK for every uplink, when there is no LoRaWAN network,D2x-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.
++Set [[PNACKMD=1>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.13AutoSendNone-ACKmessages]], S31x-LB will wait for ACK for every uplink, when there is no LoRaWAN network,S31x-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.
--* a) D2x-LB will do an ACK check for data records sending to make sure every data arrive server.
--* b) D2x-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but D2x-LB 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 D2x-LB gets a ACK, D2x-LB will consider there is a network connection and resend all NONE-ACK Message.
++* a) S31x-LB will do an ACK check for data records sending to make sure every data arrive server.
++* b) S31x-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but S31x-LB 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 gets a ACK, S31x-LB will consider there is a network connection and resend all NONE-ACK messages.
  Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
@@ -453,7 +453,7 @@
  === 2.5.2 Unix TimeStamp ===
--LHT65N uses Unix TimeStamp format based on
++S31x-LB uses Unix TimeStamp format based on
  [[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-20220523001219-11.png?width=627&height=97&rev=1.1||alt="image-20220523001219-11.png" height="97" width="627"]]
@@ -469,17 +469,17 @@
  === 2.5.3 Set Device Time ===
--User need to set SYNCMOD=1 to enable sync time via MAC command.
++User need to set **SYNCMOD=1** to enable sync time via MAC command.
--Once D2x-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to D2x-LB. If D2x-LB fails to get the time from the server, D2x-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
++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).
  **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.**
--=== 2.5.4 Datalog Uplink payload  （FPORT~=3） ===
++=== 2.5.4 Datalog Uplink payload (FPORT~=3) ===
--The Datalog poll reply uplink will use below payload format.
++The Datalog uplinks will use below payload format.
  **Retrieval data payload:**
@@ -527,7 +527,7 @@
               Stop time: 60066DA7= time 21/1/19 05:27:03
--**LHT65N will uplink this payload.**
++**S31x-LB will uplink this payload.**
  [[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-20220523001219-13.png?width=727&height=421&rev=1.1||alt="image-20220523001219-13.png" height="421" width="727"]]
@@ -553,7 +553,7 @@
  == 2.6 Temperature Alarm Feature ==
--D2x-LB work flow with Alarm feature.
++S31x-LB work flow with Alarm feature.
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-D20-D22-D23%20LoRaWAN%20Temperature%20Sensor%20User%20Manual/WebHome/image-20220623090437-1.png?rev=1.1||alt="image-20220623090437-1.png"]]
@@ -563,7 +563,7 @@
  == 2.7 Frequency Plans ==
--The D2x-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
++The S31x-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
@@ -573,19 +573,18 @@
  **Firmware download link:**
--[[https:~~/~~/www.dropbox.com/sh/gf1glloczbzz19h/AABbuYI4WY6VdAmpXo6o1V2Ka?dl=0>>url:https://www.dropbox.com/sh/gf1glloczbzz19h/AABbuYI4WY6VdAmpXo6o1V2Ka?dl=0]]
++[[https:~~/~~/www.dropbox.com/sh/kwqv57tp6pejias/AAAopYMATh1GM6fZ-VRCLrpDa?dl=0>>https://www.dropbox.com/sh/kwqv57tp6pejias/AAAopYMATh1GM6fZ-VRCLrpDa?dl=0]]
++= 3. Configure S31x-LB =
--= 3. Configure D2x-LB =
--
  == 3.1 Configure Methods: ==
--D2x-LB supports below configure method:
++S31x-LB supports below configure method:
  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
--* AT Command via UART Connection : See [[FAQ>>||anchor="H7.FAQ"]].
++* 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]].
  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
  == 3.2 General Commands ==
@@ -601,10 +601,10 @@
  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
--== 3.3 Commands special design for D2x-LB ==
++== 3.3 Commands special design for S31x-LB ==
--These commands only valid for D2x-LB, as below:
++These commands only valid for S31x-LB, as below:
  === 3.3.1 Set Transmit Interval Time ===
@@ -645,69 +645,64 @@
  Sensor will upload Device Status via FPORT=5. See payload section for detail.
--=== 3.3.3 Set Alarm Thredhold ===
++=== 3.3.3 Set Temperature Alarm Threshold: ===
++* **AT Command:**
--(% style="color:#4472c4" %)**1.  Set for All Probes:**
++**AT+SHTEMP=min,max**
--(% style="color:#037691" %)**AT+18ALARM=min,max**
++* When min=0, and max≠0, Alarm higher than max
++* When min≠0, and max=0, Alarm lower than min
++* When min≠0 and max≠0, Alarm higher than max or lower than min
--* When min=0, and max≠0, Alarm trigger when higher than max
--* When min≠0, and max=0, Alarm trigger when lower than min
--* When min≠0 and max≠0, Alarm trigger when higher than max or lower than min
++Example:
--**Example:**
++   AT+SHTEMP=0,30   ~/~/ Alarm when temperature higher than 30.
--   AT+18ALARM=-10,30    ~/~/ Alarm when < -10 or higher than 30.
++* **Downlink Payload:**
++**0x(0C 01 00 1E)**      ~/~/Set AT+SHTEMP=0,30
--* (% style="color:#037691" %)**Downlink Payload:**
++**(note: 3^^rd^^ byte= 0x00 for low limit(not set), 4^^th^^ byte = 0x1E for high limit: 30)**
--0x(0B F6 1E)   ~/~/ Same as AT+18ALARM=-10,30
--(note: 0x1E= 30, 0xF6 means: 0xF6-0x100 = -10)
++=== 3.3.4 Set Humidity Alarm Threshold: ===
++* **AT Command:**
--(% style="color:#4472c4" %)**2.  Set for Separate Probe:**
++**AT+SHHUM=min,max**
--(% style="color:#037691" %)**AT+18ALARM=min,max,index**
++* When min=0, and max≠0, Alarm higher than max
++* When min≠0, and max=0, Alarm lower than min
++* When min≠0 and max≠0, Alarm higher than max or lower than min
--Index:
++Example:
--* 1: Temperature_Red
--* 2: Temperature_White
--* 3: Temperature_Black
++   AT+SHHUM=70,0   ~/~/ Alarm when humidity lower than 70%.
--**Example:**
++* **Downlink Payload:**
--   AT+18ALARM=-10,30,1   ~/~/ Alarm when temperature_red < -10 or higher than 30.
++**0x(0C 02 46 00)**    ~/~/Set AT+SHTHUM=70,0
++**(note: 3^^rd^^ byte= 0x46 for low limit (70%), 4^^th^^ byte = 0x00 for high limit (not set))**
--* (% style="color:#037691" %)**Downlink Payload:**
--0x(0B F6 1E 01)   ~/~/ Same as AT+18ALARM=-10,30,1
++=== 3.3.5 Set Alarm Interval: ===
--(note: 0x1E= 30, 0xF6 means: 0xF6-0x100 = -10)
--
--
--=== 3.3.4 Set Alarm Interval ===
--
--
  The shortest time of two Alarm packet. (unit: min)
--* (% style="color:#037691" %)**AT Command:**
++* **AT Command:**
--AT+ATDC=30  ~/~/ The shortest interval of two Alarm packets is 30 minutes, Means is there is an alarm packet uplink, there won't be another one in the next 30 minutes.
++**AT+ATDC=30**       ~/~/ The shortest interval of two Alarm packets is 30 minutes, Means is there is an alarm packet uplink, there won't be another one in the next 30 minutes.
++* **Downlink Payload:**
--* (% style="color:#037691" %)**Downlink Payload:**
++**0x(0D 00 1E)**     **~-~--> ** Set AT+ATDC=0x 00 1E = 30 minutes
--0x(0D 00 1E)     **~-~-->** Set AT+ATDC=0x 00 1E = 30 minutes
++=== 3.3.6 Get Alarm settings  （什么FPORT?） ===
--=== 3.3.5 Get Alarm settings  （什么FPORT?） ===
--
  Send a LoRaWAN downlink to ask device send Alarm settings.
  * (% style="color:#037691" %)**Downlink Payload:  **(%%)0x0E 01
@@ -721,9 +721,11 @@
  * Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
--=== 3.3.6 Set Interrupt Mode ===
++=== 3.3.7 Set Interrupt Mode ===
++
++
  Feature, Set Interrupt mode for GPIO_EXIT.
  (% style="color:blue" %)**AT Command: AT+INTMOD**
@@ -752,10 +752,11 @@
  * Example 1: Downlink Payload: 06000000       ~/~/  Turn off interrupt mode
  * Example 2: Downlink Payload: 06000003      ~/~/   Set the interrupt mode to rising edge trigger
++
  = 4. Battery & Power Consumption =
--D2x-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
++S31x-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
@@ -771,7 +771,7 @@
  == 6.1 How to use AT Command  via UART to access device? ==
--See: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]
++See: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]]
  == 6.2 How to update firmware via UART port? ==
@@ -789,7 +789,7 @@
  = 7. Order Info =
--Part Number: (% style="color:blue" %)**D20-LB-XX  / D22-LB-XX / D23-LB-XX**
++Part Number: (% style="color:blue" %)**S31-LB-XX  / S31x-LB-XX**
  (% style="color:red" %)**XX**(%%): The default frequency band
@@ -814,7 +814,7 @@
  (% style="color:#037691" %)**Package Includes**:
--* D2x-LB LoRaWAN Temperature Sensor
++* S31x-LB LoRaWAN Temperature & Humidity Sensor
  (% style="color:#037691" %)**Dimension and weight**: