Changes for page DS20L -- LoRaWAN Smart Distance Detector User Manual 01

Last modified by Mengting Qiu on 2023/12/14 11:15

From 67.1 to 67.2 From 79.21 to 80.1

From version 67.2

edited by Xiaoling
on 2023/05/30 14:01

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To version 79.21

edited by Xiaoling
on 2023/06/14 15:33

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Title

@@ -1,1 +1,1 @@
--SW3L-LB -- LoRaWAN Flow Sensor User Manual
++LDS12-LB -- LoRaWAN LiDAR ToF Distance Sensor User Manual

Content

@@ -1,10 +1,13 @@
  (% style="text-align:center" %)
--[[image:image-20230530140053-1.jpeg||height="645" width="645"]]
++[[image:image-20230613133716-2.png||height="717" width="717"]]
++
++
++
  **Table of Contents：**
  {{toc/}}
@@ -16,29 +16,26 @@
  = 1. Introduction =
--== 1.1 What is CPL03-LB LoRaWAN Pulse/Contact Sensor ==
++== 1.1 What is LoRaWAN Ultrasonic liquid level Sensor ==
--The Dragino CPL03-LB is a (% style="color:blue" %)**LoRaWAN Contact Sensor**(%%) for Internet of Things solution. It detects dry contact status, open time, open counts, and then upload to IoT server via LoRaWAN wireless protocol.
++The Dragino DDS20-LB is a (% style="color:blue" %)**LoRaWAN Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:blue" %)**none-contact method **(%%)to measure the (% style="color:blue" %)**height of liquid**(%%) in a container without opening the container, and send the value via LoRaWAN network to IoT Server.
--The CPL03-LB will send periodically data every day as well as for each dry contact action. It also counts the contact open times and calculate last open duration. User can also disable the uplink for each open/close event, instead, device can count each open event and uplink periodically.
++The DDS20-LB sensor is installed directly below the container to detect the height of the liquid level. User doesn't need to open a hole on the container to be tested. The none-contact measurement makes the measurement safety, easier and possible for some strict situation.
--The LoRa wireless technology used in CPL03-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.
++DDS20-LB uses (% style="color:blue" %)**ultrasonic sensing technology**(%%) for distance measurement. DDS20-LB is of high accuracy to measure various liquid such as: (% style="color:blue" %)**toxic substances**(%%), (% style="color:blue" %)**strong acids**(%%), (% style="color:blue" %)**strong alkalis**(%%) and (% style="color:blue" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
--CPL03-LB (% style="color:blue" %)**supports open alarm feature**(%%), user can set open alarm for instant notice. CPL03-LB (% style="color:blue" %)**supports Datalog feature**(%%), it can save the data when there is no LoRaWAN network and uplink when network recover.
++The LoRa wireless technology used in DDS20-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.
--CPL03-LB is designed for outdoor use. It has a weatherproof enclosure and industrial level battery to work in low to high temperatures.
++DDS20-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
--CPL03-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
++DDS20-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
--CPL03-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
++Each DDS20-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
--Each CPL03-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
++[[image:image-20230613140115-3.png||height="453" width="800"]]
--[[image:image-20230530135919-1.png||height="404" width="806"]]
--
--
  == 1.2 Features ==
@@ -45,17 +45,19 @@
  * LoRaWAN 1.0.3 Class A
  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
  * Ultra-low power consumption
--* Open/Close detect
--* Open/Close statistics
--* Temperature & Humidity alarm
--* supports open alarm feature
--* supports Datalog feature
++* Liquid Level Measurement by Ultrasonic technology
++* Measure through container, No need to contact Liquid
++* Valid level range 20mm - 2000mm
++* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
++* Cable Length : 25cm
  * Support Bluetooth v5.1 and LoRaWAN remote configure
  * Support wireless OTA update firmware
--* Uplink on periodically and open/close event
++* AT Commands to change parameters
  * Downlink to change configure
++* IP66 Waterproof Enclosure
  * 8500mAh Battery for long term use
++
  == 1.3 Specification ==
@@ -84,603 +84,424 @@
  * Sleep Mode: 5uA @ 3.3v
  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
--== 1.4 Applications ==
++== 1.4 Suitable Container & Liquid ==
--* Open/Close Detection
--* Pulse meter application
--* Dry Contact Detection
--== 1.5 Sleep mode and working mode ==
++* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
++* Container shape is regular, and surface is smooth.
++* Container Thickness:
++** Pure metal material.  2~~8mm, best is 3~~5mm
++** Pure non metal material: <10 mm
++* Pure liquid without irregular deposition.
--(% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
++(% style="display:none" %)
--(% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
++== 1.5 Install DDS20-LB ==
--== 1.6 Button & LEDs ==
++(% style="color:blue" %)**Step 1**(%%):  ** Choose the installation point.**
++DDS20-LB (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
--[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-3.png?rev=1.1||alt="image-20220615091045-3.png"]]
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|=(% style="width: 167px;background-color:#D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**
--|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
--If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
--Meanwhile, BLE module will be active and user can connect via BLE to configure device.
++(((
++(% style="color:blue" %)**Step 2**(%%):   **Polish the installation point.**
  )))
--|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
--(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**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.
--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.
++
++(((
++For Metal Surface with paint, it is important to polish the surface, first use crude sand paper to polish the paint level , then use exquisite sand paper to polish the metal level to make it shine & smooth.
  )))
--|(% 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.
--== 1.7 BLE connection ==
++[[image:image-20230613143052-5.png]]
--CPL03-LB support BLE remote configure.
++No polish needed if the container is shine metal surface without paint or non-metal container.
++[[image:image-20230613143125-6.png]]
--BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
--* Press button to send an uplink
--* Press button to active device.
--* Device Power on or reset.
++(((
++(% style="color:blue" %)**Step3:   **(%%)**Test the installation point.**
++)))
--If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
++(((
++Power on DDS20-LB, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point.
++)))
++(((
++It is necessary to put the coupling paste between the sensor and the container, otherwise DDS20-LB won't detect the liquid level.
++)))
--== 1.8 Pin Definitions ==
++(((
++After paste the DDS20-LB well, power on DDS20-LB. In the first 30 seconds of booting, device will check the sensors status and BLUE LED will show the status as below. After 30 seconds, BLUE LED will be off to save battery life.
++)))
--[[image:image-20230523174230-1.png]]
++(((
++(% style="color:blue" %)**LED Status:**
++)))
--== 1.9 Mechanical ==
++* (((
++**Onboard LED**: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
++)))
++* (((
++(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** always ON**(%%): Sensor is power on but doesn't detect liquid. There is problem in installation point.
++)))
++* (((
++(% style="color:blue" %)**BLUE LED**(% style="color:red" %)** slowly blinking**(%%): Sensor detects Liquid Level, The installation point is good.
++)))
--[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
++(((
++LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
++)))
--[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
++(((
++(% style="color:red" %)**Note :**(%%)** (% style="color:blue" %)Ultrasonic coupling paste(%%)**(% style="color:blue" %) (%%) is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
++)))
--[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
++(((
++(% style="color:blue" %)**Step4:   **(%%)**Install use Epoxy ab glue.**
++)))
++(((
++Prepare Eproxy AB glue.
++)))
--= 2. Configure CPL03-LB to connect to LoRaWAN network =
++(((
++Put Eproxy AB glue in the sensor and press it hard on the container installation point.
++)))
--== 2.1 How it works ==
++(((
++Reset DDS20-LB and see if the BLUE LED is slowly blinking.
++)))
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-8.png?width=341&height=203&rev=1.1||alt="image-20220615091045-8.png"]]      [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615091045-9.png?width=284&height=200&rev=1.1||alt="image-20220615091045-9.png"]]
--The CPL03-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 CPL03-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
--(% style="display:none" %) (%%)
++(((
++(% style="color:red" %)**Note :**
--== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
++(% style="color:red" %)**1:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
++)))
++(((
++(% style="color:red" %)**2:**(%%)** (% style="color:blue" %)Eproxy AB glue(%%)** is subjected in most shipping way. So the default package doesn't include it and user needs to purchase locally.
++)))
--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.
--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.
++== 1.6 Applications ==
--[[image:image-20230530135929-2.png||height="404" width="806"]](% style="display:none" %)
++* Smart liquid control solution
--(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from CPL03-LB.
++* Smart liquefied gas solution
--Each CPL03-LB is shipped with a sticker with the default device EUI as below:
--[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
++== 1.7 Precautions ==
--You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
++* At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
++* For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
--(% style="color:blue" %)**Register the device**
++* When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
--[[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/1654935135620-998.png?rev=1.1||alt="1654935135620-998.png"]]
++(% style="display:none" %)
++== 1.8 Sleep mode and working mode ==
--(% style="color:blue" %)**Add APP EUI and DEV EUI**
--[[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-20220611161308-4.png?width=753&height=551&rev=1.1||alt="图片-20220611161308-4.png"]]
++(% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
++(% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
--(% style="color:blue" %)**Add APP EUI in the application**
++== 1.9 Button & LEDs ==
--[[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-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
++[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
--(% style="color:blue" %)**Add APP KEY**
--[[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-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
--
--
--(% style="color:blue" %)**Step 2:**(%%) Activate on CPL03-LB
--
--
--Press the button for 5 seconds to activate the CPL03-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.
--
--
--== 2.3 Uplink Payload ==
--
--=== 2.3.1 Device Status, FPORT~=5 ===
--
--
--Users can use the downlink command(**0x26 01**) to ask CPL03-LB to send device configure detail, include device configure status. CPL03-LB will uplink a payload via FPort=5 to server.
--
--The Payload format is as below.
--
--
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|(% colspan="6" style="background-color:#d9e2f3; color:#0070c0" %)**Device Status (FPORT=5)**
--|(% style="width:103px" %)**Size (bytes)**|(% style="width:72px" %)**1**|**2**|(% style="width:91px" %)**1**|(% style="width:86px" %)**1**|(% style="width:44px" %)**2**
--|(% style="width:103px" %)**Value**|(% style="width:72px" %)Sensor Model|Firmware Version|(% style="width:91px" %)Frequency Band|(% style="width:86px" %)Sub-band|(% style="width:44px" %)BAT
++|=(% style="width: 167px;background-color:#D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**
++|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
++If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
++Meanwhile, BLE module will be active and user can connect via BLE to configure device.
++)))
++|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
++(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**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.
++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 device is in Deep Sleep Mode.
--Example parse in TTNv3
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652859749264-179.png?width=723&height=275&rev=1.1||alt="1652859749264-179.png"]]
++== 1.10 BLE connection ==
--(% style="color:#037691" %)**Sensor Model**(%%): For CPL03-LB, this value is 0x0A
++DDS20-LB support BLE remote configure.
--(% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
++BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
--(% style="color:#037691" %)**Frequency Band**:
++* Press button to send an uplink
++* Press button to active device.
++* Device Power on or reset.
--*0x01: EU868
++If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
--*0x02: US915
--*0x03: IN865
++== 1.11 Pin Definitions ==
--*0x04: AU915
++[[image:image-20230523174230-1.png]]
--*0x05: KZ865
--*0x06: RU864
++== 1.12 Mechanical ==
--*0x07: AS923
--*0x08: AS923-1
++[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
--*0x09: AS923-2
--*0x0a: AS923-3
++[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
--*0x0b: CN470
--*0x0c: EU433
++[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
--*0x0d: KR920
--*0x0e: MA869
++(% style="color:blue" %)**Probe Mechanical:**
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-1.png?rev=1.1||alt="image-20220615090910-1.png"]]
--(% style="color:#037691" %)**Sub-Band**:
--AU915 and US915:value 0x00 ~~ 0x08
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/image-20220615090910-2.png?rev=1.1||alt="image-20220615090910-2.png"]]
--CN470: value 0x0B ~~ 0x0C
--Other Bands: Always 0x00
++= 2. Configure DDS20-LB to connect to LoRaWAN network =
++== 2.1 How it works ==
--(% style="color:#037691" %)**Battery Info**:
--Check the battery voltage.
++The DDS20-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 DDS20-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
--Ex1: 0x0B45 = 2885mV
++(% style="display:none" %) (%%)
--Ex2: 0x0B49 = 2889mV
++== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
--=== 2.3.2 Sensor Configuration, FPORT~=4 ===
++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.
++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.
--CPL03-LB will only send this command after getting the downlink command (0x26 02) from the server.
++[[image:image-20230613140140-4.png||height="453" width="800"]](% style="display:none" %)
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|(% colspan="6" style="background-color:#d9e2f3; color:#0070c0; width:504px" %)**Sensor Configuration FPORT=4**
--|**Size(bytes)**|(% style="width:75px" %)**3**|(% style="width:77px" %)**1**|(% style="width:96px" %)**1**|(% style="width:158px" %)**2**|(% style="width:158px" %)**1**
--|**Value**|(% style="width:75px" %)TDC (unit:sec)|(% style="width:77px" %)Disalarm|(% style="width:96px" %)Keep status|(% style="width:158px" %)Keep time (unit: sec)|(% style="width:158px" %)Trigger mode
--* (((
--(% style="color:#037691" %)** TDC: (default: 0x001C20)**
--)))
++(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from DDS20-LB.
--(((
--Uplink interval for the total pulse count, default value is 0x001C20 which is 7200 seconds = 2 hours.
++Each DDS20-LB is shipped with a sticker with the default device EUI as below:
--
--)))
++[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
--* (((
--(% style="color:#037691" %)** Disalarm: (default: 0)**
--)))
--(((
--(% style="color:blue" %)** If Disalarm = 1**(%%), CPL03-LB will only send uplink at every TDC periodically. This is normally use for pulse meter application, in this application, there are many disconnect/connect event, and platform only care about the total number of pulse.
--)))
++You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
--(((
--(% style="color:blue" %)** If Disalarm = 0**(%%), CPL03-LB will send uplink at every TDC periodically.
--
--)))
++(% style="color:blue" %)**Register the device**
--* (((
--(% style="color:#037691" %)** Keep Status & Keep Time**
--)))
++[[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/1654935135620-998.png?rev=1.1||alt="1654935135620-998.png"]]
--(((
--Shows the configure value of [[Alarm Base on Timeout Feature>>||anchor="H3.3.5AlarmBaseonTimeout"]]
--
--)))
++(% style="color:blue" %)**Add APP EUI and DEV EUI**
--* (((
--(% style="color:#037691" %)** Trigger mode (default: 0)**
--)))
++[[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-20220611161308-4.png?width=753&height=551&rev=1.1||alt="图片-20220611161308-4.png"]]
--(((
--(% style="color:blue" %)** If Trigger mode = 0**(%%), count close to open event.
--)))
--(((
--(% style="color:blue" %)** If Trigger mode = 1**(%%), count open to close event.
--)))
++(% style="color:blue" %)**Add APP EUI in the application**
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652860064987-743.png?width=730&height=152&rev=1.1||alt="1652860064987-743.png"]]
++[[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-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652860079526-831.png?width=729&height=209&rev=1.1||alt="1652860079526-831.png"]]
++(% style="color:blue" %)**Add APP KEY**
--=== 2.3.3 Real-Time Open/Close Status, Uplink FPORT~=2 ===
++[[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-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
--(((
--(((
--CPL03-LB will send this uplink **after** Device Status once join the LoRaWAN network successfully. And CPL03-LB will:
--)))
--)))
++(% style="color:blue" %)**Step 2:**(%%) Activate on DDS20-LB
--(((
--(((
--periodically send this uplink every 2 hours, this interval [[can be changed>>||anchor="H3.3.1SetTransmitIntervalTime"]].
--)))
--)))
--(((
--(((
--Uplink Payload totals 11 bytes.
--)))
--)))
++Press the button for 5 seconds to activate the DDS20-LB.
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
--|=(% colspan="5" style="background-color:#D9E2F3;color:#0070C0; width: 520px;" %)**Real-Time Open/Close Status, FPORT=2**
--|(% style="width:60px" %)**Size(bytes)**|(% style="width:65px" %)**1**|(% style="width:65px" %)**3**|(% style="width:240px" %)**3**|(% style="width:90px" %)**4**
--|(% style="width:101px" %)**Value**|(% style="width:133px" %)Status & [[Alarm>>||anchor="H3.3.5AlarmBaseonTimeout"]]|(% style="width:92px" %)Total pulse|(% style="width:247px" %)The last open duration (unit: min)|(% style="width:149px" %)[[Unix TimeStamp>>||anchor="H2.5.2UnixTimeStamp"]]
++(% 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.
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:504px" %)
--|=(% colspan="4" style="background-color:#D9E2F3;color:#0070C0; width: 502px;" %)**Status & Alarm field**
--|(% style="width:60px" %)**Size(bit)**|(% style="width:70px" %)**6**|(% style="width:228px" %)**1**|(% style="width:146px" %)**1**
--|(% style="width:76px" %)Value|(% style="width:80px" %)Calculate Flag|(% style="width:208px" %)Alarm: 0: No Alarm; 1: Alarm|(% style="width:136px" %)Contact Status: 0: Open, 1: Close
++After join success, it will start to upload messages to TTN and you can see the messages in the panel.
--* (((
--(% style="color:#037691" %)** Calculate Flag**
--)))
--(((
--The calculate flag is a user define field, IoT server can use this filed to handle different meter with different pulse factor. For example, if there are 100 water meters, meter 1 ~~50 are 1 liter/pulse and meter 51 ~~ 100 has 1.5 liter/pulse.
--)))
++== 2.3  Uplink Payload ==
--(((
--User can set calculate flag to 1 for meter 1~~50 and 2 for meter 51 ~~ 100, So IoT Server can use this field for calculation.
--)))
  (((
--Default value: 0.
++DDS20-LB will uplink payload via LoRaWAN with below payload format:
  )))
  (((
--Range (6 bits): (b)000000 ~~ (b) 111111
++Uplink payload includes in total 8 bytes.
  )))
--(((
--Refer: [[Set Calculate Flag>>||anchor="H3.3.8Setthecalculateflag"]]
++(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
++|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)(((
++**Size(bytes)**
++)))|=(% style="width: 62.5px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="background-color:#D9E2F3;color:#0070C0" %)1|=(% style="background-color:#D9E2F3;color:#0070C0" %)2|=(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
++|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
++[[Distance>>||anchor="H2.3.2A0Distance"]]
++(unit: mm)
++)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
++[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
++)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
--
--)))
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS20%20-%20LoRaWAN%20Liquid%20Level%20Sensor%20User%20Manual/WebHome/1654850511545-399.png?rev=1.1||alt="1654850511545-399.png"]]
--* (((
--(% style="color:#037691" %)** Alarm**
--)))
--(((
--See [[Alarm Base on Timeout>>||anchor="H3.3.5AlarmBaseonTimeout"]]
++=== 2.3.1  Battery Info ===
--
--)))
--* (((
--(% style="color:#037691" %)** Contact Status**
--)))
++Check the battery voltage for DDS20-LB.
--(((
--0: Open
--)))
++Ex1: 0x0B45 = 2885mV
--(((
--1: Close
++Ex2: 0x0B49 = 2889mV
--
--)))
--* (((
--(% style="color:#037691" %)** Total pulse**
--)))
++=== 2.3.2  Distance ===
--(((
--Total pulse/counting base on dry [[contact trigger event>>||anchor="H2.3.2SensorConfiguration2CFPORT3D4"]]
--)))
  (((
--Range (3 Bytes) : 0x000000 ~~ 0xFFFFFF . Max: 16777215
--
--
++Get the distance. Flat object range 20mm - 2000mm.
  )))
--* (((
--(% style="color:#037691" %)** The last open duration**
--)))
--
  (((
--Dry Contact last open duration.
--)))
++For example, if the data you get from the register is **0x06 0x05**, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** **
--(((
--Unit: min.
++(% style="color:blue" %)**0605(H) = 1541 (D) = 1541 mm.**
  )))
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652860403792-491.png?width=735&height=153&rev=1.1||alt="1652860403792-491.png"]]
++* If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
++* If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
--=== 2.3.4 Real-Time Open/Close Status, 3 pulse mode, Uplink FPORT~=6 ===
++=== 2.3.3  Interrupt Pin ===
--(% style="color:red" %)**Note:**
--* Firmware support for this mode is not released. If users want to test, please contact Dragino support.
--* Users need to run (% style="color:blue" %)**AT+MOD=3**(%%) to support this model after updating the firmware.
--* This mode doesn't support Historical Events and Datalog features.
++This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3.2SetInterruptMode"]] for the hardware and software set up.
--(% style="color:blue" %)**CPL03-LB 3 Pulse Wiring:**
++**Example:**
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/image-20221013153352-1.png?width=720&height=628&rev=1.1||alt="image-20221013153352-1.png"]]
++0x00: Normal uplink packet.
++0x01: Interrupt Uplink Packet.
--(% style="color:blue" %)**Payload:**
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/image-20221013153352-2.png?width=1215&height=167&rev=1.1||alt="image-20221013153352-2.png"]]
++=== 2.3.4  DS18B20 Temperature sensor ===
--(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:447px" %)
--|(% style="background-color:#d9e2f3; color:#0070c0; width:95px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:61px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:98px" %)**3**|(% style="background-color:#d9e2f3; color:#0070c0; width:98px" %)**3**|(% style="background-color:#d9e2f3; color:#0070c0; width:95px" %)**3**
--|(% style="width:93px" %)Value|(% style="width:59px" %)Status|(% style="width:98px" %)(((
--Port1 Total Pulse(PB14)
--)))|(% style="width:96px" %)(((
--Port2 Total Pulse(PB15)
--)))|(% style="width:94px" %)(((
--Port3 Total Pulse(PA4)
--)))
++This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
--(% style="color:blue" %)**Status:**
++**Example**:
--(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:257px" %)
--|(% style="background-color:#d9e2f3; color:#0070c0; width:75px" %)**Size(bit)**|(% style="background-color:#d9e2f3; color:#0070c0; width:112px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**2**
--|(% style="width:75px" %)Value|(% style="width:111px" %)Calculate Flag|(% style="width:68px" %)Reserve
++If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
--(% style="color:red" %)**Max COUNT for each port is 16777215. Exceed this number will reset to 1.**
++If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
--(% style="color:blue" %)**Related AT Command:**
++=== 2.3.5  Sensor Flag ===
--(% style="color:#037691" %)**AT+TTRMOD1:  Port1 count mode;   0: Signal falling edge(Default), 1: Signal raising edge**
--             AT+TTRMOD1=0  Downlink Command: 0xA4 01 00
--
--             AT+TTRMOD1=1  Downlink Command: 0xA4 01 01
--
--
--(% style="color:#037691" %)**AT+TTRMOD2:  Port2 count mode;   0: Signal falling edge(Default), 1: Signal raising edge**
--
--             AT+TTRMOD1=0  Downlink Command: 0xA4 02 00
--
--             AT+TTRMOD1=1  Downlink Command: 0xA4 02 01
--
--
--(% style="color:#037691" %)**AT+TTRMOD3:  Port3 count mode;  0: Signal falling edge(Default), 1: Signal raising edge**
--
--             AT+TTRMOD1=0  Downlink Command: 0xA4 03 00
--
--             AT+TTRMOD1=1  Downlink Command: 0xA4 03 01
--
--
--(% style="color:#037691" %)**AT+CALCFLAG:  Calculate Flag ( Default : 0 )**
--
--             AT+CALCFLAG=aa
--
--
--(% style="color:blue" %)**Downlink Command: 0xA5 aa**
--
--(% style="color:#037691" %)**AT+COUNTMOD:  Accumulative Mode;  0: Accumulative (Default),1: Reset after uplink.**
--
--            AT+COUNTMOD=0   Downlink Command: 0x0B 00
--
--            AT+COUNTMOD=1   Downlink Command: 0x0B 01
--
--
--(% style="color:#037691" %)**AT+SETCNT:  Set count value**
--
--            AT+SETCNT=1,aa  Downlink Command: 0xA6 01 aa aa aa
--
--            AT+SETCNT=2,aa  Downlink Command: 0xA6 02 aa aa aa
--
--            AT+SETCNT=3,aa  Downlink Command: 0xA6 03 aa aa aa
--
--
--(% style="color:blue" %)**Decode:  **(%%)[[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
--
--
--=== 2.3.5 Historical Door Open/Close Event, FPORT~=3 ===
--
--
  (((
--CPL03-LB stores sensor values and users can retrieve these history values via the [[downlink command>>||anchor="H2.5DatalogFeature"]].
++0x01: Detect Ultrasonic Sensor
  )))
  (((
--The historical payload includes one or multiplies entries and every entry has the same payload as Real-Time open/close status.
++0x00: No Ultrasonic Sensor
  )))
--* (((
--Each data entry is 11 bytes and has the same structure as [[Real-Time open/close status>>||anchor="H2.3.3Real-TimeOpen2FCloseStatus2CUplinkFPORT3D2"]], to save airtime and battery, CPL03-LB will send max bytes according to the current DR and Frequency bands.
--)))
--(((
--For example, in the US915 band, the max payload for different DR is:
--)))
++=== 2.3.6  Decode payload in The Things Network ===
--(((
--a) (% style="color:blue" %)**DR0**(%%): max is 11 bytes so one entry of data
--)))
--(((
--b) (% style="color:blue" %)**DR1**(%%): max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
--)))
++While using TTN network, you can add the payload format to decode the payload.
--(((
--c) (% style="color:blue" %)**DR2**(%%): total payload includes 11 entries of data
--)))
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654850829385-439.png?rev=1.1||alt="1654850829385-439.png"]]
--(((
--d) (% style="color:blue" %)**DR3**(%%): total payload includes 22 entries of data.
--)))
++The payload decoder function for TTN V3 is here:
  (((
--If CPL03-LB doesn't have any data in the polling time. It will uplink 11 bytes of 0
--
--
++DDS20-LB TTN V3 Payload Decoder:  [[ttps:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
  )))
--(% style="color:blue" %)** Downlink:**
--(% class="box" %)
--(((
--**0x31 61 E9 3A D4 61 E9 3D E0 05**
--)))
++== 2.4  Uplink Interval ==
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652861353248-624.png?width=720&height=189&rev=1.1||alt="1652861353248-624.png"]]
++The DDS20-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>||anchor="H3.3.1SetTransmitIntervalTime"]]
--(% style="color:blue" %)** Uplink:**
--(% class="box" %)
--(((
--**0E 00 23 E6 00 00 00 61 E9 3B 04 0E 00 23 E6 00 00 00 61 E9 3B 25 0D 00 00 00 00 00 00 61 E9 3B C8 0E 00 00 02 00 00 00 61 E9 3B D4 0E 00 00 06 00 00 00 61 E9 3B DB 01 00 00 00 00 00 00 61 E9 3C 91 01 00 00 00 00 00 00 61 E9 3C A1 0D 00 00 00 00 00 00 61 E9 3C BC 0E 00 00 07 00 00 00 61 E9 3C D6 00 00 00 00 00 00 00 61 E9 3D A6**
--)))
++== 2.5  Show Data in DataCake IoT Server ==
--(% style="color:#037691" %)** **
--(% style="color:#037691" %)**Parsed Value:**
--
  (((
--[ALARM, PIN_STATUS, TOTAL_PULSE, CALCULATE_FLAG, LAST_OPEN_DURATION, TIME]
++[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
  )))
--(((
--
--)))
  (((
--[TRUE, CLOSE, 9190, 3, 0, 2022-01-20 10:35:48],
++(% style="color:blue" %)**Step 1**(%%)**: Be sure that your device is programmed and properly connected to the network at this time.**
  )))
  (((
--[TRUE, CLOSE, 9190, 3, 0, 2022-01-20 10:36:21],
++(% style="color:blue" %)**Step 2**(%%)**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:**
  )))
--(((
--[FALSE, OPEN, 0, 3, 0, 2022-01-20 10:39:04],
--)))
--(((
--[TRUE, CLOSE, 2, 3, 0, 2022-01-20 10:39:16],
--)))
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592790040-760.png?rev=1.1||alt="1654592790040-760.png"]]
--(((
--[TRUE, CLOSE, 6, 3, 0, 2022-01-20 10:39:23],
--)))
--(((
--[FALSE, OPEN, 0, 0, 0, 2022-01-20 10:42:25],
--)))
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592800389-571.png?rev=1.1||alt="1654592800389-571.png"]]
--(((
--[FALSE, OPEN, 0, 0, 0, 2022-01-20 10:42:41],
--)))
--(((
--[FALSE, OPEN, 0, 3, 0, 2022-01-20 10:43:08],
--)))
++(% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
--(((
--[TRUE, CLOSE, 7, 3, 0, 2022-01-20 10:43:34],
--)))
++(% style="color:blue" %)**Step 4**(%%)**: Search the DDS20-LB and add DevEUI.**
--(((
--[FALSE, CLOSE, 0, 0, 0, 2022-01-20 10:47:02],
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
--
--)))
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652861480446-216.png?rev=1.1||alt="1652861480446-216.png"]]
++After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
++[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png"]]
--== 2.4 Payload Decoder file ==
++== 2.6 Datalog Feature ==
--In TTN, use can add a custom payload so it shows friendly reading
--In the page (% style="color:#037691" %)**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]]
++Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, DDS20-LB will store the reading for future retrieving purposes.
--== 2.5 Datalog Feature ==
++=== 2.6.1 Ways to get datalog via LoRaWAN ===
--Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, CPL03-LB will store the reading for future retrieving purposes.
++Set PNACKMD=1, DDS20-LB will wait for ACK for every uplink, when there is no LoRaWAN network,DDS20-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.
--
--=== 2.5.1 Ways to get datalog via LoRaWAN ===
--
--
--Set PNACKMD=1, CPL03-LB will wait for ACK for every uplink, when there is no LoRaWAN network,CPL03-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) CPL03-LB will do an ACK check for data records sending to make sure every data arrive server.
++a) DDS20-LB will do an ACK check for data records sending to make sure every data arrive server.
  )))
  * (((
--b) CPL03-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but CPL03-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 CPL03-LB gets a ACK, CPL03-LB will consider there is a network connection and resend all NONE-ACK messages.
++b) DDS20-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but DDS20-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 DDS20-LB gets a ACK, DDS20-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)
@@ -688,10 +688,10 @@
  [[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-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="图片-20220703111700-2.png" height="381" width="1119"]]
--=== 2.5.2 Unix TimeStamp ===
++=== 2.6.2 Unix TimeStamp ===
--CPL03-LB uses Unix TimeStamp format based on
++DDS20-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="图片-20220523001219-11.png" height="97" width="627"]]
@@ -705,17 +705,17 @@
  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
--=== 2.5.3 Set Device Time ===
++=== 2.6.3 Set Device Time ===
  User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
--Once CPL03-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to CPL03-LB. If CPL03-LB fails to get the time from the server, CPL03-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 DDS20-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to DDS20-LB. If DDS20-LB fails to get the time from the server, DDS20-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
  (% 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.**
--=== 2.5.4 Poll sensor value ===
++=== 2.6.4 Poll sensor value ===
  Users can poll sensor values based on timestamps. Below is the downlink command.
@@ -738,7 +738,7 @@
  )))
  (((
--Uplink Internal =5s，means CPL03-LB will send one packet every 5s. range 5~~255s.
++Uplink Internal =5s，means DDS20-LB will send one packet every 5s. range 5~~255s.
  )))
@@ -745,22 +745,25 @@
  == 2.7 Frequency Plans ==
--The CPL03-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 DDS20-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/]]
--= 3. Configure CPL03-LB =
++= 3. Configure DDS20-LB =
  == 3.1 Configure Methods ==
--CPL03-LB supports below configure method:
++DDS20-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 [[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 ==
@@ -767,6 +767,7 @@
  These commands are to configure:
  * General system settings like: uplink interval.
++
  * LoRaWAN protocol & radio related command.
  They are same for all Dragino Devices which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
@@ -774,10 +774,10 @@
  [[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 CPL03-LB ==
++== 3.3 Commands special design for DDS20-LB ==
--These commands only valid for CPL03-LB, as below:
++These commands only valid for DDS20-LB, as below:
  === 3.3.1 Set Transmit Interval Time ===
@@ -819,226 +819,15 @@
  Example 1: Downlink Payload: 0100001E       ~/~/ Set Transmit Interval (TDC) = 30 seconds
  )))
  * (((
--Example 2: Downlink Payload: 0100003C      ~/~/ Set Transmit Interval (TDC) = 60 seconds
++Example 2: Downlink Payload: 0100003C      ~/~/ Set Transmit Interval (TDC) = 60 seconds
  )))
--=== 3.3.2 Quit AT Command ===
++=== 3.3.2 Set Interrupt Mode ===
--Feature: Quit AT Command mode, so user needs to input the password again before using AT Commands.
--
--(% style="color:blue" %)**AT Command: AT+DISAT**
--
--(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:452px" %)
--|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 198px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 99px;background-color:#D9E2F3;color:#0070C0" %)**Response**
--|(% style="width:155px" %)AT+DISAT|(% style="width:198px" %)Quit AT Commands mode|(% style="width:96px" %)OK
--
--(% style="color:blue" %)**Downlink Command:**
--
--No downlink command for this feature.
--
--
--=== 3.3.3 Get Device Status ===
--
--
--Send a LoRaWAN downlink to ask device send Alarm settings.
--
--(% style="color:blue" %)**Downlink Payload:  **(%%)0x26 01
--
--Sensor will upload Device Status via FPORT=5. See payload section for detail.
--
--
--=== 3.3.4 Enable / Disable Alarm ===
--
--
--Feature: Enable/Disable Alarm for open/close event. Default value 0.
--
--(% style="color:blue" %)**AT Command:**
--
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
--|(% style="background-color:#d9e2f3; color:#0070c0; width:154px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:278px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0; width:88px" %)**Response**
--|(% style="width:154px" %)AT+DISALARM=1|(% style="width:278px" %)End node will only send packets in TDC time.|OK
--|(% style="width:154px" %)AT+DISALARM=0|(% style="width:278px" %)End node will send packets in TDC time or status change for door sensor|OK
--
--(% style="color:blue" %)**Downlink Command:**
--
--**0xA7 01**     ~/~/  Same As AT+DISALARM=1
--
--**0xA7 00    ** ~/~/  Same As AT+DISALARM=0
--
--
--=== 3.3.5 Alarm Base on Timeout ===
--
--
--(((
--CPL03-LB can monitor the timeout for a status change, this feature can be used to monitor some events such as door opening too long etc. Related Parameters are:
--)))
--
--
--(((
--(% style="color:#4f81bd" %)**1. Keep Status: Status to be monitor**
--)))
--
--(((
--**Keep Status = 1**: Monitor Close to Open event
--)))
--
--(((
--**Keep Status = 0**: Monitor Open to Close event
--)))
--
--
--(((
--(% style="color:#4f81bd" %)**2. Keep Time: Timeout to send an Alarm**
--)))
--
--(((
--Range 0 ~~ 65535(0xFFFF) seconds.
--)))
--
--(((
--If** keep time = 0**, Disable Alarm Base on Timeout feature.
--)))
--
--(((
--If **keep time > 0**, device will monitor the keep status event and send an alarm when status doesn’t change after timeout.
--)))
--
--
--(((
--(% style="color:#4f81bd" %)**AT Command**(%%) to configure:
--)))
--
--(((
--(% style="color:blue" %)**AT+TTRIG=1,30**(%%)   ~-~-> When the **Keep Status** change from connect to disconnect, and device remains in disconnect status for more than 30 seconds. CPL03-LB will send an uplink packet, the [[Alarm bit>>||anchor="H2.3.3Real-TimeOpen2FCloseStatus2CUplinkFPORT3D2"]] (the second bit of 1^^st^^ byte of payload) on this uplink packet is set to 1.
--)))
--
--(((
--(% style="color:blue" %)**AT+TTIG=0,0 **(%%)      ~-~-> Default Value, disable timeout Alarm.
--)))
--
--
--(((
--(% style="color:#4f81bd" %)**Downlink Command**(%%) to configure:
--)))
--
--(((
--**Command: 0xA9 aa bb cc**
--)))
--
--(((
--**A9: **Command Type Code
--)))
--
--(((
--**aa: **status to be monitored
--)))
--
--(((
--**bb cc: **timeout.
--)))
--
--
--(((
--If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30
--)))
--
--(((
--Or
--)))
--
--(((
--0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm.
--)))
--
--
--=== 3.3.6 Clear Flash Record ===
--
--
--Feature: Clear flash storage for data log feature.
--
--(% style="color:blue" %)**AT Command: AT+CLRDTA**
--
--(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
--|=(% style="width: 157px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 169px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 174px;background-color:#D9E2F3;color:#0070C0" %)**Response**
--|(% style="width:157px" %)AT+CLRDTA|(% style="width:169px" %)Clear flash storage for data log feature.|Clear all stored sensor data… OK
--
--(((
--(% style="color:blue" %)**Downlink Command:**
--)))
--
--(((
--* **Example**: 0xA301     ~/~/  Same as AT+CLRDTA
--)))
--
--
--
--=== 3.3.7 Set trigger mode ===
--
--
--Feature: Set the trigger interrupt mode.
--
--(% style="color:blue" %)**AT Command: AT+TTRMOD**
--
--(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:495px" %)
--|=(% style="width: 157px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 246px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 92px;background-color:#D9E2F3;color:#0070C0" %)**Response**
--|(% style="width:157px" %)(((
--AT+TTRMOD=1
--)))|(% style="width:156px" %)Count and trigger from open to close (rising edge)|(% style="width:89px" %)(((
--(((
--OK
--)))
--)))
--|(% style="width:157px" %)(((
--AT+TTRMOD=0
--)))|(% style="width:156px" %)Count and trigger from close to open (falling edge)|(% style="width:89px" %)(((
--OK
--)))
--
--(% style="color:blue" %)**Downlink Command:**
--
--* **Example**: 0xA401       ~/~/  Same as AT+ TTRMOD =1
--
--=== 3.3.8 Set the calculate flag ===
--
--
--Feature: Set the calculate flag
--
--(% style="color:blue" %)**AT Command: AT+CALCFLAG**
--
--(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:461px" %)
--|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 193px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 110px;background-color:#D9E2F3;color:#0070C0" %)**Response**
--|(% style="width:158px" %)AT+CALCFLAG =1|(% style="width:192px" %)Set the calculate flag to 1.|(% style="width:109px" %)OK
--|(% style="width:158px" %)AT+CALCFLAG =2|(% style="width:192px" %)Set the calculate flag to 2.|(% style="width:109px" %)OK
--
--(% style="color:blue" %)**Downlink Command:**
--
--* **Example**: 0XA501         ~/~/  Same as AT+CALCFLAG =1
--
--=== 3.3.9 Set count number ===
--
--
--Feature: Manually set the count number
--
--(% style="color:blue" %)**AT Command: AT+SETCNT**
--
--(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:479px" %)
--|=(% style="width: 160px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 223px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 96px;background-color:#D9E2F3;color:#0070C0" %)**Response**
--|(% style="width:160px" %)AT+ SETCNT =0|(% style="width:221px" %)Set the count number to 0.|(% style="width:95px" %)OK
--|(% style="width:160px" %)AT+ SETCNT =100|(% style="width:221px" %)Set the count number to 100.|(% style="width:95px" %)OK
--
--(% style="color:blue" %)**Downlink Command:**
--
--* **Example**: 0xA6000001      ~/~/  Same as AT+ SETCNT =1
--
--* **Example**: 0xA6000064      ~/~/  Same as AT+ SETCNT =100
--
--=== 3.3.10 Set Interrupt Mode ===
--
--
  Feature, Set Interrupt mode for PA8 of pin.
  When AT+INTMOD=0 is set, PA8 is used as a digital input port.
@@ -1070,78 +1070,81 @@
  * Example 2: Downlink Payload: 06000003      ~/~/   Set the interrupt mode to rising edge trigger
--=== 3.3.11 Set Power Output Duration ===
++= 4. Battery & Power Consumption =
--Control the output duration 5V . Before each sampling, device will
--~1. first enable the power output to external sensor,
++DDS20-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
--2. keep it on as per duration, read sensor value and construct uplink payload
++[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
--3. final, close the power output.
--(% style="color:blue" %)**AT Command: AT+5VT**
++= 5. OTA Firmware update =
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
--|(% style="width:154px" %)AT+5VT=?|(% style="width:196px" %)Show 5V open time.|(% style="width:157px" %)0 (default)
--OK
--|(% style="width:154px" %)AT+5VT=500|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:157px" %)OK
--(% style="color:blue" %)**Downlink Command: 0x07**
++(% class="wikigeneratedid" %)
++User can change firmware DDS20-LB to:
--Format: Command Code (0x07) followed by 2 bytes.
++* Change Frequency band/ region.
--The first and second bytes are the time to turn on.
++* Update with new features.
--* Example 1: Downlink Payload: 070000     **~-~-->**   AT+5VT=0
++* Fix bugs.
--* Example 2: Downlink Payload: 0701F4      **~-~-->**  AT+5VT=500
++Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/ph4uyz0rchflrnw/AADr1f_5Sg30804NItpfOQbla?dl=0]]**
--= 4. Battery & Power Consumption =
++Methods to Update Firmware:
++* (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/]]**
--CPL03-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
++* Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
--[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
++= 6. FAQ =
--= 5. OTA Firmware update =
++== 6.1  What is the frequency plan for DDS20-LB? ==
--(% class="wikigeneratedid" %)
--User can change firmware CPL03-LB to:
++DDS20-LB use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
--* Change Frequency band/ region.
--* Update with new features.
++== 6.2  Can I use DDS20-LB in condensation environment? ==
--* Fix bugs.
--Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/kwqv57tp6pejias/AAAopYMATh1GM6fZ-VRCLrpDa?dl=0]]**
++DDS20-LB is not suitable to be used in condensation environment. Condensation on the DDS20-LB probe will affect the reading and always got 0.
--Methods to Update Firmware:
--* (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/]]
++= 7.  Trouble Shooting =
--* Update through UART TTL interface. **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
++== 7.1  Why I can't join TTN V3 in US915 / AU915 bands? ==
--= 6. FAQ =
--== 6.1  AT Commands input doesn't work ==
++It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
--In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
++== 7.2  AT Command input doesn't work ==
--= 7. Order Info =
++In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:blue" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:blue" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
--Part Number: (% style="color:blue" %)**CPL03-LB-XXX**
++== 7.3  Why i always see 0x0000 or 0 for the distance value? ==
--(% style="color:red" %)**XXX**(%%): The default frequency band
++(((
++LDDS20 has a strict [[**installation requirement**>>||anchor="H1.5A0InstallDDS20-LB"]]. Please make sure the installation method exactly follows up with the installation requirement. Otherwise, the reading might be always 0x00.
++
++If you have followed the instruction requirement exactly but still see the 0x00 reading issue, please. please double-check the decoder, you can check the raw payload to verify.
++)))
++
++
++= 8. Order Info =
++
++
++Part Number: (% style="color:blue" %)**DDS20-LB-XXX**
++
++(% style="color:red" %)**XXX**(%%): **The default frequency band**
++
  * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
  * (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
@@ -1158,12 +1158,13 @@
  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
--= 8. Packing Info =
++= 9. Packing Info =
++
  (% style="color:#037691" %)**Package Includes**:
--* CPL03-LB LoRaWAN Pulse/Contact Sensor
++* DDS20-LB LoRaWAN Ultrasonic Liquid Level Sensor x 1
  (% style="color:#037691" %)**Dimension and weight**:
@@ -1175,9 +1175,10 @@
  * Weight / pcs : g
--= 9. Support =
++= 10. Support =
++
  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]].

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