Changes for page PS-LB/LS -- LoRaWAN Air Water Pressure Sensor User Manual

Last modified by Xiaoling on 2025/07/10 16:21

From 72.2 to 72.1 From 99.3 to 99.2

From version 99.2

edited by Xiaoling
on 2024/10/21 09:32

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To version 72.2

edited by Xiaoling
on 2024/01/09 16:08

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@@ -25,27 +25,27 @@
  (((
--The Dragino PS-LB/LS series sensors are (% style="color:blue" %)**LoRaWAN Pressure Sensor**(%%) for Internet of Things solution. PS-LB/LS can measure Air, Water pressure and liquid level and upload the sensor data via wireless to LoRaWAN IoT server.
++The Dragino PS-LB series sensors are (% style="color:blue" %)**LoRaWAN Pressure Sensor**(%%) for Internet of Things solution. PS-LB can measure Air, Water pressure and liquid level and upload the sensor data via wireless to LoRaWAN IoT server.
  )))
  (((
--The PS-LB/LS series sensors include (% style="color:blue" %)**Thread Installation Type**(%%) and (% style="color:blue" %)**Immersion Type**(%%), it supports different pressure range which can be used for different measurement requirement.
++The PS-LB series sensors include (% style="color:blue" %)**Thread Installation Type**(%%) and (% style="color:blue" %)**Immersion Type**(%%), it supports different pressure range which can be used for different measurement requirement.
  )))
  (((
--The LoRa wireless technology used in PS-LB/LS 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.
++The LoRa wireless technology used in PS-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.
  )))
  (((
--PS-LB/LS supports BLE configure and wireless OTA update which make user easy to use.
++PS-LB supports BLE configure and wireless OTA update which make user easy to use.
  )))
  (((
--PS-LB/LS is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery **(%%)or (% style="color:blue" %)**solar powered + Li-ion battery **(%%), it is designed for long term use up to 5 years.
++PS-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
  )))
  (((
--Each PS-LB/LS 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 PS-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:1675071321348-194.png]]
@@ -67,7 +67,7 @@
  * Downlink to change configure
  * Controllable 3.3v,5v and 12v output to power external sensor
  * 8500mAh Li/SOCl2 Battery (PS-LB)
--* Solar panel + 3000mAh Li-ion battery (PS-LS)
++* Solar panel + 3000mAh Li-on battery (PS-LS)
  == 1.3 Specification ==
@@ -80,7 +80,7 @@
  (% style="color:#037691" %)**Common DC Characteristics:**
--* Supply Voltage: Built-in Battery , 2.5v ~~ 3.6v
++* Supply Voltage: 2.5v ~~ 3.6v
  * Operating Temperature: -40 ~~ 85°C
  (% style="color:#037691" %)**LoRa Spec:**
@@ -136,31 +136,23 @@
  === 1.4.2 Immersion Type ===
--[[image:image-20240109160445-5.png||height="221" width="166"]]
++[[image:image-20240109160445-5.png||height="284" width="214"]]
  * Immersion Type, Probe IP Level: IP68
  * Measuring Range: Measure range can be customized, up to 100m.
  * Accuracy: 0.2% F.S
  * Long-Term Stability: ±0.2% F.S / Year
--* Storage temperature: -30°C~~80°C
--* Operating temperature: 0°C~~50°C
++* Storage temperature: -30℃~~80℃
++* Operating temperature: 0℃~~50℃
  * Material: 316 stainless steels
--=== 1.4.3 Wireless Differential Air Pressure Sensor ===
++== 1.5 Probe Dimension ==
--[[image:image-20240511174954-1.png]]
--* Measuring Range: -100KPa~~0~~100KPa(Optional measuring range).
--* Accuracy: 0.5% F.S, resolution is 0.05%.
--* Overload: 300% F.S
--* Zero temperature drift: ±0.03%F.S/°C
--* Operating temperature: -20°C~~60°C
--* Storage temperature:  -20°C~~60°C
--* Compensation temperature: 0~~50°C
--== 1.5 Application and Installation ==
++== 1.6 Application and Installation ==
--=== 1.5.1 Thread Installation Type ===
++=== 1.6.1 Thread Installation Type ===
  (% style="color:blue" %)**Application:**
@@ -178,7 +178,7 @@
  [[image:1675071670469-145.png]]
--=== 1.5.2 Immersion Type ===
++=== 1.6.2 Immersion Type ===
  (% style="color:blue" %)**Application:**
@@ -188,13 +188,9 @@
  [[image:1675071725288-579.png]]
--Below is the wiring to for connect the probe to the device.
++The Immersion Type pressure sensor is shipped with the probe and device separately. When user got the device, below is the wiring to for connect the probe to the device.
--The Immersion Type Sensor has different variant which defined by Ixx. For example, this means two points:
--* Cable Length: 10 Meters
--* Water Detect Range: 0 ~~ 10 Meters.
--
  [[image:1675071736646-450.png]]
@@ -201,46 +201,21 @@
  [[image:1675071776102-240.png]]
++== 1.7 Sleep mode and working mode ==
--=== 1.5.3 Wireless Differential Air Pressure Sensor ===
--
--(% style="color:blue" %)**Application:**
--
--Indoor Air Control & Filter clogging Detect.
--
--[[image:image-20240513100129-6.png]]
--
--[[image:image-20240513100135-7.png]]
--
--
--Below is the wiring to for connect the probe to the device.
--
--[[image:image-20240513093957-1.png]]
--
--
--Size of wind pressure transmitter:
--
--[[image:image-20240513094047-2.png]]
--
--Note: The above dimensions are measured by hand, and the numerical error of the shell is within ±0.2mm.
--
--
--== 1.6 Sleep mode and working mode ==
--
--
  (% 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.
--== 1.7 Button & LEDs ==
++== 1.8 Button & LEDs ==
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20240103160425-4.png?rev=1.1||alt="image-20240103160425-4.png"]](% style="display:none" %)
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 226px;background-color:#4F81BD;color:white" %)**Action**
++|=(% 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="background-color:#f2f2f2; width:167px" %)Pressing ACT between 1s < time < 3s|(% style="background-color:#f2f2f2; width:117px" %)Send an uplink|(% style="background-color:#f2f2f2; 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.
@@ -252,16 +252,16 @@
  )))
  |(% style="background-color:#f2f2f2; width:167px" %)Fast press ACT 5 times.|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
--== 1.8 Pin Mapping ==
++== 1.9 Pin Mapping ==
  [[image:1675072568006-274.png]]
--== 1.9 BLE connection ==
++== 1.10 BLE connection ==
--PS-LB/LS support BLE remote configure.
++PS-LB support BLE remote configure.
  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:
@@ -273,26 +273,27 @@
  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
--== 1.10 Mechanical ==
++== 1.11 Mechanical ==
--=== 1.10.1 for LB version ===
++=== 1.11.1 for LB version(% style="display:none" %) (%%) ===
  [[image:image-20240109160800-6.png]]
--=== 1.10.2 for LS version ===
++=== 1.11.2 for LS version ===
++
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20231231203439-3.png?width=886&height=385&rev=1.1||alt="image-20231231203439-3.png"]]
--= 2. Configure PS-LB/LS to connect to LoRaWAN network =
++= 2. Configure PS-LB to connect to LoRaWAN network =
  == 2.1 How it works ==
--The PS-LB/LS 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 activate the PS-LB/LS. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
++The PS-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 activate the PS-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) ==
@@ -300,6 +300,7 @@
  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.
++
  [[image:1675144005218-297.png]]
@@ -306,9 +306,9 @@
  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 PS-LB/LS.
++(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from PS-LB.
--Each PS-LB/LS is shipped with a sticker with the default device EUI as below:
++Each PS-LB is shipped with a sticker with the default device EUI as below:
  [[image:image-20230426085320-1.png||height="234" width="504"]]
@@ -336,10 +336,10 @@
  [[image:1675144157838-392.png]]
--(% style="color:blue" %)**Step 2:**(%%) Activate on PS-LB/LS
++(% style="color:blue" %)**Step 2:**(%%) Activate on PS-LB
--Press the button for 5 seconds to activate the PS-LB/LS.
++Press the button for 5 seconds to activate the PS-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.
@@ -351,12 +351,13 @@
  === 2.3.1 Device Status, FPORT~=5 ===
--Include device configure status. Once PS-LB/LS Joined the network, it will uplink this message to the server.
++Include device configure status. Once PS-LB Joined the network, it will uplink this message to the server.
--Users can also use the downlink command(0x26 01) to ask PS-LB/LS to resend this uplink.
++Users can also use the downlink command(0x26 01) to ask PS-LB to resend this uplink.
++
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|(% colspan="6" style="background-color:#4f81bd; color:white" %)**Device Status (FPORT=5)**
++|(% colspan="6" style="background-color:#d9e2f3; color:#0070c0" %)**Device Status (FPORT=5)**
  |(% style="background-color:#f2f2f2; width:103px" %)**Size (bytes)**|(% style="background-color:#f2f2f2; width:72px" %)**1**|(% style="background-color:#f2f2f2" %)**2**|(% style="background-color:#f2f2f2; width:91px" %)**1**|(% style="background-color:#f2f2f2; width:86px" %)**1**|(% style="background-color:#f2f2f2; width:44px" %)**2**
  |(% style="background-color:#f2f2f2; width:103px" %)**Value**|(% style="background-color:#f2f2f2; width:72px" %)Sensor Model|(% style="background-color:#f2f2f2" %)Firmware Version|(% style="background-color:#f2f2f2; width:91px" %)Frequency Band|(% style="background-color:#f2f2f2; width:86px" %)Sub-band|(% style="background-color:#f2f2f2; width:44px" %)BAT
@@ -365,7 +365,7 @@
  [[image:1675144504430-490.png]]
--(% style="color:#037691" %)**Sensor Model**(%%): For PS-LB/LS, this value is 0x16
++(% style="color:#037691" %)**Sensor Model**(%%): For PS-LB, this value is 0x16
  (% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
@@ -425,9 +425,9 @@
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|(% style="background-color:#4f81bd; color:white; width:97px" %)(((
++|(% style="background-color:#d9e2f3; color:#0070c0; width:97px" %)(((
  **Size(bytes)**
--)))|(% style="background-color:#4f81bd; color:white; width:48px" %)**2**|(% style="background-color:#4f81bd; color:white; width:71px" %)**2**|(% style="background-color:#4f81bd; color:white; width:98px" %)**2**|(% style="background-color:#4f81bd; color:white; width:73px" %)**2**|(% style="background-color:#4f81bd; color:white; width:122px" %)**1**
++)))|(% style="background-color:#d9e2f3; color:#0070c0; width:48px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:71px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:98px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:73px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:122px" %)**1**
  |(% style="width:97px" %)Value|(% style="width:48px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="width:71px" %)[[Probe Model>>||anchor="H2.3.4ProbeModel"]]|(% style="width:98px" %)[[0 ~~~~ 20mA value>>||anchor="H2.3.507E20mAvalue28IDC_IN29"]]|(% style="width:73px" %)[[0 ~~~~ 30v value>>||anchor="H2.3.607E30Vvalue28pinVDC_IN29"]]|(% style="width:122px" %)[[IN1 &IN2 Interrupt  flag>>||anchor="H2.3.7IN126IN226INTpin"]]
  [[image:1675144608950-310.png]]
@@ -436,7 +436,7 @@
  === 2.3.3 Battery Info ===
--Check the battery voltage for PS-LB/LS.
++Check the battery voltage for PS-LB.
  Ex1: 0x0B45 = 2885mV
@@ -446,16 +446,16 @@
  === 2.3.4 Probe Model ===
--PS-LB/LS has different kind of probe, 4~~20mA represent the full scale of the measuring range. So a 12mA output means different meaning for different probe.
++PS-LB has different kind of probe, 4~~20mA represent the full scale of the measuring range. So a 12mA output means different meaning for different probe.
  **For example.**
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|(% style="background-color:#4f81bd; color:white" %)**Part Number**|(% style="background-color:#4f81bd; color:white" %)**Probe Used**|(% style="background-color:#4f81bd; color:white" %)**4~~20mA scale**|(% style="background-color:#4f81bd; color:white" %)**Example: 12mA meaning**
--|(% style="background-color:#f2f2f2" %)PS-LB/LS-I3|(% style="background-color:#f2f2f2" %)immersion type with 3 meters cable|(% style="background-color:#f2f2f2" %)0~~3 meters|(% style="background-color:#f2f2f2" %)1.5 meters pure water
--|(% style="background-color:#f2f2f2" %)PS-LB/LS-I5|(% style="background-color:#f2f2f2" %)immersion type with 5 meters cable|(% style="background-color:#f2f2f2" %)0~~5 meters|(% style="background-color:#f2f2f2" %)2.5 meters pure water
--|(% style="background-color:#f2f2f2" %)PS-LB/LS-T20-B|(% style="background-color:#f2f2f2" %)T20 threaded probe|(% style="background-color:#f2f2f2" %)0~~1MPa|(% style="background-color:#f2f2f2" %)0.5MPa air / gas or water pressure
++|(% style="background-color:#d9e2f3; color:#0070c0" %)**Part Number**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Probe Used**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4~~20mA scale**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Example: 12mA meaning**
++|(% style="background-color:#f2f2f2" %)PS-LB-I3|(% style="background-color:#f2f2f2" %)immersion type with 3 meters cable|(% style="background-color:#f2f2f2" %)0~~3 meters|(% style="background-color:#f2f2f2" %)1.5 meters pure water
++|(% style="background-color:#f2f2f2" %)PS-LB-I5|(% style="background-color:#f2f2f2" %)immersion type with 5 meters cable|(% style="background-color:#f2f2f2" %)0~~5 meters|(% style="background-color:#f2f2f2" %)2.5 meters pure water
++|(% style="background-color:#f2f2f2" %)PS-LB-T20-B|(% style="background-color:#f2f2f2" %)T20 threaded probe|(% style="background-color:#f2f2f2" %)0~~1MPa|(% style="background-color:#f2f2f2" %)0.5MPa air / gas or water pressure
  The probe model field provides the convenient for server to identical how it should parse the 4~~20mA sensor value and get the correct value.
@@ -475,7 +475,7 @@
  [[image:image-20230225154759-1.png||height="408" width="741"]]
--=== 2.3.6 0~~30V value (pin VDC_IN) ===
++=== 2.3.6 0~~30V value ( pin VDC_IN) ===
  Measure the voltage value. The range is 0 to 30V.
@@ -508,13 +508,13 @@
 x01: Interrupt Uplink Packet.
--=== 2.3.8 Sensor value, FPORT~=7 ===
++=== (% style="color:inherit; font-family:inherit; font-size:23px" %)2.3.8 Sensor value, FPORT~=7(%%) ===
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
--|(% style="background-color:#4f81bd; color:white; width:65px" %)(((
++(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:508.222px" %)
++|(% style="background-color:#d9e2f3; color:#0070c0; width:94px" %)(((
  **Size(bytes)**
--)))|(% style="background-color:#4f81bd; color:white; width:35px" %)**2**|(% style="background-color:#4f81bd; color:white; width:400px" %)**n**
++)))|(% style="background-color:#d9e2f3; color:#0070c0; width:43px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:367px" %)**n**
  |(% style="width:94px" %)Value|(% style="width:43px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="width:367px" %)(((
  Voltage value, each 2 bytes is a set of voltage values.
  )))
@@ -531,16 +531,17 @@
  While using TTN network, you can add the payload format to decode the payload.
++
  [[image:1675144839454-913.png]]
--PS-LB/LS TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
++PS-LB TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
  == 2.4 Uplink Interval ==
--The PS-LB/LS by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval||style="background-color: rgb(255, 255, 255);"]]
++The PS-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: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval||style="background-color: rgb(255, 255, 255);"]]
  == 2.5 Show Data in DataCake IoT Server ==
@@ -548,10 +548,12 @@
  [[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:
++
  (% style="color:blue" %)**Step 1: **(%%)Be sure that your device is programmed and properly connected to the network at this time.
  (% 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:
++
  [[image:1675144951092-237.png]]
@@ -560,7 +560,7 @@
  (% style="color:blue" %)**Step 3:**(%%) Create an account or log in Datacake.
--(% style="color:blue" %)**Step 4:** (%%)Create PS-LB/LS product.
++(% style="color:blue" %)**Step 4:** (%%)Create PS-LB product.
  [[image:1675145004465-869.png]]
@@ -568,6 +568,7 @@
  [[image:1675145018212-853.png]]
++
  [[image:1675145029119-717.png]]
@@ -581,232 +581,32 @@
  After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
++
  [[image:1675145081239-376.png]]
--== 2.6 Datalog Feature (Since V1.1) ==
++== 2.6 Frequency Plans ==
--When a user wants to retrieve sensor value, he can send a poll command from the IoT platform to ask the sensor to send value in the required time slot.
++The PS-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/]]
--=== 2.6.1 Unix TimeStamp ===
++== 2.7 Firmware Change Log ==
--CPL01 uses Unix TimeStamp format based on
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652861618065-927.png?width=705&height=109&rev=1.1||alt="1652861618065-927.png" height="109" width="705"]]
--
--Users can get this time from the link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
--
--Below is the converter example:
--
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652861637105-371.png?width=732&height=428&rev=1.1||alt="1652861637105-371.png"]]
--
--
--=== 2.6.2 Set Device Time ===
--
--
--There are two ways to set the device's time:
--
--
--(% style="color:blue" %)**1. Through LoRaWAN MAC Command (Default settings)**
--
--Users need to set SYNCMOD=1 to enable sync time via the MAC command.
--
--Once CPL01 Joined the LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to CPL01. If CPL01 fails to get the time from the server, CPL01 will use the internal time and wait for the next time request ~[[[via Device Status (FPORT=5)>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/#H2.3.1DeviceStatus2CFPORT3D5]]].
--
--(% style="color:red" %)**Note: LoRaWAN Server needs to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature.**
--
--
--(% style="color:blue" %)** 2. Manually Set Time**
--
--Users need to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
--
--
--=== 2.6.3 Poll sensor value ===
--
--
--Users can poll sensor values based on timestamps. Below is the downlink command.
--
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:470px" %)
--|=(% colspan="4" style="width: 154px;background-color:#4F81BD;color:white" %)**Downlink Command to poll Open/Close status (0x31)**
--|(% style="background-color:#f2f2f2; width:70px" %)**1byte**|(% style="background-color:#f2f2f2; width:140px" %)**4bytes**|(% style="background-color:#f2f2f2; width:140px" %)(((
--(((
--**4bytes**
--)))
--
--
--
--)))|(% style="background-color:#f2f2f2; width:150px" %)**1byte**
--|(% style="background-color:#f2f2f2; width:70px" %)31|(% style="background-color:#f2f2f2; width:140px" %)Timestamp start|(% style="background-color:#f2f2f2; width:140px" %)Timestamp end|(% style="background-color:#f2f2f2; width:150px" %)Uplink Interval
--
--Timestamp start and Timestamp end-use Unix TimeStamp format as mentioned above. Devices will reply with all data logs during this period, using the uplink interval.
--
--For example, downlink command[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/image-20220518162852-1.png?rev=1.1||alt="image-20220518162852-1.png"]]
--
--Is to check 2021/11/12 12:00:00 to 2021/11/12 15:00:00's data
--
--Uplink Internal =5s，means CPL01 will send one packet every 5s. range 5~~255s.
--
--
--=== 2.6.4 Decoder in TTN V3 ===
--
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/CPL01%20LoRaWAN%20Outdoor%20PulseContact%20%20Sensor%20Manual/WebHome/1652862574387-195.png?width=722&height=359&rev=1.1||alt="1652862574387-195.png" height="359" width="722"]]
--
--Please check the decoder from this link: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
--
--
--== 2.7 Frequency Plans ==
--
--
--The PS-LB/LS uses OTAA mode and below frequency plans by default. Each frequency band use different firmware, user update the firmware to the corresponding band for their country.
--
--[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/a>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
--
--
--== 2.8 Report on Change Feature (Since firmware V1.1.2) ==
--
--=== 2.8.1 Uplink payload(Enable ROC) ===
--
--
--Used to Monitor the IDC and VDC increments, and send ROC uplink when the IDC or VDC changes exceed.
--
--With ROC enabled, the payload is as follows:
--
--(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
--|(% style="background-color:#4f81bd; color:white; width:97px" %)(((
--**Size(bytes)**
--)))|(% style="background-color:#4f81bd; color:white; width:48px" %)**2**|(% style="background-color:#4f81bd; color:white; width:71px" %)**2**|(% style="background-color:#4f81bd; color:white; width:98px" %)**2**|(% style="background-color:#4f81bd; color:white; width:73px" %)**2**|(% style="background-color:#4f81bd; color:white; width:122px" %)**1**
--|(% style="width:97px" %)Value|(% style="width:48px" %)[[BAT>>||anchor="H2.3.3BatteryInfo"]]|(% style="width:71px" %)[[Probe Model>>||anchor="H2.3.4ProbeModel"]]|(% style="width:98px" %)[[0 ~~~~ 20mA value>>||anchor="H2.3.507E20mAvalue28IDC_IN29"]]|(% style="width:73px" %)[[0 ~~~~ 30v value>>||anchor="H2.3.607E30Vvalue28pinVDC_IN29"]]|(% style="width:122px" %)(((
--[[IN1 &IN2 Interrupt  flag>>||anchor="H2.3.7IN126IN226INTpin"]] & ROC_flag
--)))
--
--(% style="color:blue" %)**IN1 &IN2 , Interrupt  flag , ROC_flag:**
--
--(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
--|(% style="background-color:#4f81bd; color:white; width:50px" %)**Size(bit)**|(% style="background-color:#4f81bd; color:white; width:60px" %)**bit7**|(% style="background-color:#4f81bd; color:white; width:62px" %)**bit6**|(% style="background-color:#4f81bd; color:white; width:62px" %)**bit5**|(% style="background-color:#4f81bd; color:white; width:65px" %)**bit4**|(% style="background-color:#4f81bd; color:white; width:56px" %)**bit3**|(% style="background-color:#4f81bd; color:white; width:55px" %)**bit2**|(% style="background-color:#4f81bd; color:white; width:55px" %)**bit1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**bit0**
--|(% style="width:75px" %)Value|(% style="width:89px" %)IDC_Roc_flagL|(% style="width:46.5834px" %)IDC_Roc_flagH|(% style="width:1px" %)VDC_Roc_flagL|(% style="width:89px" %)VDC_Roc_flagH|(% style="width:89px" %)IN1_pin_level|(% style="width:103px" %)IN2_pin_level|(% style="width:103px" %)Exti_pin_level|(% style="width:103px" %)Exti_status
--
--* (% style="color:#037691" %)**IDC_Roc_flagL**
--
--80 (H): (0x80&0x80)=80(H)=**1**000 0000(B)    bit7=1, "TRUE", This uplink is triggered when the decrease in the IDC compared to the last ROC refresh exceeds the set threshold.
--
--60 (H): (0x60&0x80)=0    bit7=0, "FALSE", This uplink is not triggered when the decrease in the IDC compared to the last ROC refresh exceeds the set threshold.
--
--
--* (% style="color:#037691" %)**IDC_Roc_flagH**
--
--60 (H): (0x60&0x40)=60(H)=0**1**000 0000(B)    bit6=1, "TRUE", This uplink is triggered when the increase in the value of the IDC compared to the last ROC refresh exceeds the set threshold.
--
--80 (H): (0x80&0x40)=0    bit6=0, "FALSE", This uplink is not triggered when the increase in the value of the IDC compared to the last ROC refresh exceeds the set threshold.
--
--
--* (% style="color:#037691" %)**VDC_Roc_flagL**
--
--20 (H): (0x20&0x20)=20(H)=00**1**0 0000(B)    bit5=1, "TRUE", This uplink is triggered when the decrease in the VDC compared to the last ROC refresh exceeds the set threshold.
--
--90 (H): (0x90&0x20)=0    bit5=0, "FALSE", This uplink is not triggered when the decrease in the VDC compared to the last ROC refresh exceeds the set threshold.
--
--
--* (% style="color:#037691" %)**VDC_Roc_flagH**
--
--90 (H): (0x90&0x10)=10(H)=000**1** 0000(B)    bit4=1, "TRUE", This uplink is triggered when the increase in the value of the VDC compared to the last ROC refresh exceeds the set threshold.
--
--20 (H): (0x20&0x10)=0    bit4=0, "FALSE", This uplink is not triggered when the increase in the value of the VDC compared to the last ROC refresh exceeds the set threshold.
--
--
--* (% style="color:#037691" %)**IN1_pin_level & IN2_pin_level**
--
--IN1 and IN2 are used as digital input pins.
--
--80 (H): (0x80&0x08)=0    IN1 pin is low level.
--
--80 (H): (0x09&0x04)=0    IN2 pin is low level.
--
--
--* (% style="color:#037691" %)**Exti_pin_level &Exti_status**
--
--This data field shows whether the packet is generated by an interrupt pin.
--
--Note: The Internet pin of the old motherboard is a separate pin in the screw terminal, and the interrupt pin of the new motherboard(SIB V1.3) is the **GPIO_EXTI** pin.
--
--**Exti_pin_level:**  80 (H): (0x80&0x02)=0  "low", The level of the interrupt pin.
--
--**Exti_status: **80 (H): (0x80&0x01)=0   "False", Normal uplink packet.
--
--
--=== 2.8.2 Set the Report on Change ===
--
--
--Feature: Set the detection interval and threshold to monitor whether the IDC/VDC variable exceeds the threshold. If the threshold is exceeded, an ROC uplink is sent.
--(% style="color:blue" %)**AT Command: AT+ROC**
--
--(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|=(% style="width: 143px; background-color: rgb(79, 129, 189); color: white;" %)**Command Example**|=(% style="width: 197px; background-color: rgb(79, 129, 189); color: white;" %)**Parameters**|=(% style="width: 170px; background-color: rgb(79, 129, 189); color: white;" %)**Response/Explanation**
--|(% style="width:143px" %)AT+ROC=?|(% style="width:197px" %)Show current ROC setting|(% style="width:168px" %)(((
--0,0,0,0(default)
--
--OK
--)))
--|(% colspan="1" rowspan="4" style="width:143px" %)(((
--
--
--
--
--AT+ROC=a,b,c,d
--)))|(% style="width:197px" %)**a**: Enable or disable the ROC|(% style="width:168px" %)(((
--0: off
--
--1: on
--)))
--|(% style="width:197px" %)**b**: Set the detection interval|(% style="width:168px" %)Unit: second
--|(% style="width:197px" %)**c**: Setting the IDC change threshold|(% style="width:168px" %)Unit: uA
--|(% style="width:197px" %)**d**: Setting the VDC change threshold|(% style="width:168px" %)Unit: mV
--
--**Example:**
--
--* AT+ROC=1,60,3000, 500      ~/~/ Check value every 60 seconds. lf there is change in IDC (>3mA) or VDC (>500mV), sends an ROC uplink.
--* AT+ROC=1,60,3000,0      ~/~/ Check value every 60 seconds. lf there is change in IDC (>3mA), send an ROC uplink. 0 Means doesn't monitor Voltage.
--
--(% style="color:blue" %)**Downlink Command: 0x09 aa bb cc dd**
--
--Format: Function code (0x09) followed by 4 bytes.
--
--(% style="color:blue" %)**aa: **(%%)Enable/Disable the ROC.
--
--(% style="color:blue" %)**bb: **(%%)Set the detection interval. (second)
--
--(% style="color:blue" %)**cc: **(%%)Setting the IDC change threshold. (uA)
--
--(% style="color:blue" %)**dd: **(%%)Setting the VDC change threshold. (mV)
--
--**Example:**
--
--* Downlink Payload: **09 01 00 3C 0B B8 01 F4 **      ~/~/ Equal to AT+ROC=1,60,3000, 500
--* Downlink Payload: **09 01 00 3C 0B B8 00 00 **      ~/~/ AT+ROC=1,60,3000,0
--
--(% style="color:blue" %)**Screenshot of parsing example in TTN:**
--
--* AT+ROC=1,60,3000, 500.
--
--[[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-LB-NA--LoRaWAN_Analog_Sensor_User_Manual/WebHome/image-20241019170902-1.png?width=1454&height=450&rev=1.1||alt="image-20241019170902-1.png"]]
--
--
--== 2.9 Firmware Change Log ==
--
--
  **Firmware download link:**
  [[https:~~/~~/www.dropbox.com/sh/gf1glloczbzz19h/AABbuYI4WY6VdAmpXo6o1V2Ka?dl=0>>url:https://www.dropbox.com/sh/gf1glloczbzz19h/AABbuYI4WY6VdAmpXo6o1V2Ka?dl=0]]
--= 3. Configure PS-LB/LS =
++= 3. Configure PS-LB =
  == 3.1 Configure Methods ==
--PS-LB/LS supports below configure method:
++PS-LB supports below configure method:
  * AT Command via Bluetooth Connection (**Recommand Way**): [[BLE Configure Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
  * AT Command via UART Connection : See [[FAQ>>||anchor="H6.FAQ"]].
@@ -825,10 +825,10 @@
  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
--== 3.3 Commands special design for PS-LB/LS ==
++== 3.3 Commands special design for PS-LB ==
--These commands only valid for PS-LB/LS, as below:
++These commands only valid for PS-LB, as below:
  === 3.3.1 Set Transmit Interval Time ===
@@ -839,7 +839,7 @@
  (% style="color:blue" %)**AT Command: AT+TDC**
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|=(% style="width: 160px; background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 160px; background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Response**
++|=(% style="width: 160px; background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 160px; background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)**Response**
  |(% style="background-color:#f2f2f2; width:157px" %)AT+TDC=?|(% style="background-color:#f2f2f2; width:166px" %)Show current transmit Interval|(% style="background-color:#f2f2f2" %)(((
  OK
@@ -867,7 +867,7 @@
  (% style="color:blue" %)**AT Command: AT+INTMOD**
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|=(% style="width: 154px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 196px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 160px;background-color:#4F81BD;color:white" %)**Response**
++|=(% style="width: 154px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 160px;background-color:#D9E2F3;color:#0070C0" %)**Response**
  |(% style="background-color:#f2f2f2; width:154px" %)AT+INTMOD=?|(% style="background-color:#f2f2f2; width:196px" %)Show current interrupt mode|(% style="background-color:#f2f2f2; width:157px" %)(((
  OK
@@ -898,7 +898,7 @@
  (% style="color:blue" %)**AT Command: AT+3V3T**
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:474px" %)
--|=(% style="width: 154px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 201px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 119px;background-color:#4F81BD;color:white" %)**Response**
++|=(% style="width: 154px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 201px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 119px;background-color:#D9E2F3;color:#0070C0" %)**Response**
  |(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=?|(% style="background-color:#f2f2f2; width:201px" %)Show 3V3 open time.|(% style="background-color:#f2f2f2; width:116px" %)(((
  OK
@@ -917,7 +917,7 @@
  (% style="color:blue" %)**AT Command: AT+5VT**
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:470px" %)
--|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 196px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 119px;background-color:#4F81BD;color:white" %)**Response**
++|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 119px;background-color:#D9E2F3;color:#0070C0" %)**Response**
  |(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=?|(% style="background-color:#f2f2f2; width:196px" %)Show 5V open time.|(% style="background-color:#f2f2f2; width:114px" %)(((
  OK
@@ -936,7 +936,7 @@
  (% style="color:blue" %)**AT Command: AT+12VT**
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:443px" %)
--|=(% style="width: 156px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 199px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 88px;background-color:#4F81BD;color:white" %)**Response**
++|=(% style="width: 156px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 199px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 88px;background-color:#D9E2F3;color:#0070C0" %)**Response**
  |(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=?|(% style="background-color:#f2f2f2; width:199px" %)Show 12V open time.|(% style="background-color:#f2f2f2; width:83px" %)(((
  OK
@@ -976,14 +976,8 @@
  (A->01,B->02,C->03,D->04,E->05,F->06,G->07,H->08,I->09,J->0A,K->0B,L->0C)
--When aa=02, it is the Differential Pressure Sensor , which converts the current into a pressure value;
--
--bb represents which type of pressure sensor it is.
--
--(0~~100Pa->01,0~~200Pa->02,0~~300Pa->03,0~~1KPa->04,0~~2KPa->05,0~~3KPa->06,0~~4KPa->07,0~~5KPa->08,0~~10KPa->09,-100~~ 100Pa->0A,-200~~ 200Pa->0B,-1~~ 1KPa->0C)
--
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|(% style="background-color:#4f81bd; color:white; width:154px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:269px" %)**Function**|(% style="background-color:#4f81bd; color:white" %)**Response**
++|(% style="background-color:#d9e2f3; color:#0070c0; width:154px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:269px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Response**
  |(% style="background-color:#f2f2f2; width:154px" %)AT+PROBE=?|(% style="background-color:#f2f2f2; width:269px" %)Get or Set the probe model.|(% style="background-color:#f2f2f2" %)0
  OK
  |(% style="background-color:#f2f2f2; width:154px" %)AT+PROBE=0003|(% style="background-color:#f2f2f2; width:269px" %)Set water depth sensor mode, 3m type.|(% style="background-color:#f2f2f2" %)OK
@@ -1001,10 +1001,10 @@
  * Example 1: Downlink Payload: 080003  **~-~-->**   AT+PROBE=0003
  * Example 2: Downlink Payload: 080101  **~-~-->**   AT+PROBE=0101
--=== 3.3.5 Multiple collections are one uplink (Since firmware V1.1) ===
++=== 3.3.5 Multiple collections are one uplink（Since firmware V1.1） ===
--Added AT+STDC command to collect the voltage of VDC_INPUT/IDC_INPUT multiple times and upload it at one time.
++Added AT+STDC command to collect the voltage of VDC_INPUT multiple times and upload it at one time.
  (% style="color:blue" %)**AT Command: AT** **+STDC**
@@ -1012,13 +1012,12 @@
  (% style="color:#037691" %)**aa:**(%%)
  **0:** means disable this function and use TDC to send packets.
--**1:** means that the function is enabled to send packets by collecting VDC data for multiple times.
--**2:** means that the function is enabled to send packets by collecting IDC data for multiple times.
++**1:** means enable this function, use the method of multiple acquisitions to send packets.
  (% style="color:#037691" %)**bb:**(%%) Each collection interval (s), the value is 1~~65535
  (% style="color:#037691" %)**cc:**(%%)** **the number of collection times, the value is 1~~120
  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
--|(% style="background-color:#4f81bd; color:white; width:160px" %)**Command Example**|(% style="background-color:#4f81bd; color:white; width:215px" %)**Function**|(% style="background-color:#4f81bd; color:white" %)**Response**
++|(% style="background-color:#d9e2f3; color:#0070c0; width:160px" %)**Command Example**|(% style="background-color:#d9e2f3; color:#0070c0; width:215px" %)**Function**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Response**
  |(% style="background-color:#f2f2f2; width:160px" %)AT+STDC=?|(% style="background-color:#f2f2f2; width:215px" %)Get the mode of multiple acquisitions and one uplink.|(% style="background-color:#f2f2f2" %)1,10,18
  OK
  |(% style="background-color:#f2f2f2; width:160px" %)AT+STDC=1,10,18|(% style="background-color:#f2f2f2; width:215px" %)Set the mode of multiple acquisitions and one uplink, collect once every 10 seconds, and report after 18 times.|(% style="background-color:#f2f2f2" %)(((
@@ -1038,7 +1038,7 @@
  (% style="color:blue" %)**Downlink Command: 0xAE**
--Format: Command Code (0xAE) followed by 4 bytes.
++Format: Command Code (0x08) followed by 5 bytes.
  * Example 1: Downlink Payload: AE 01 02 58 12** ~-~-->**   AT+STDC=1,600,18
@@ -1045,7 +1045,7 @@
  = 4. Battery & Power Consumption =
--PS-LB use ER26500 + SPC1520 battery pack and PS-LS use 3000mAh Recharable Battery with Solar Panel. See below link for detail information about the battery info and how to replace.
++PS-LB uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
  [[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
@@ -1077,34 +1077,6 @@
  When downloading the images, choose the required image file for download.
--== 6.4 How to measure the depth of other liquids other than water? ==
--
--
--Test the current values at the depth of different liquids and convert them to a linear scale.
--Replace its ratio with the ratio of water to current in the decoder.
--
--**Example:**
--
--Measure the corresponding current of the sensor when the liquid depth is 2.04m and 0.51m.
--
--**Calculate scale factor：**
--Use these two data to calculate the current and depth scaling factors：(7.888-5.035)/(2.04-0.51)=1.86470588235294
--
--**Calculation formula：**
--
--Use the calibration formula：(Current current - Minimum calibration current)/Scale factor + Minimum actual calibration height
--
--**Actual calculations：**
--
--Use this formula to calculate the value corresponding to the current at a depth of 1.5 meters: (6.918-5.035)/1.86470588235294+0.51=1.519810726
--
--**Error：**
--
--0.009810726
--
--
--[[image:image-20240329175044-1.png]]
--
  = 7. Troubleshooting =
  == 7.1 Water Depth Always shows 0 in payload ==
@@ -1122,9 +1122,8 @@
  = 8. Order Info =
--(% style="display:none" %)
++[[image:image-20230131153105-4.png]]
--[[image:image-20241021093209-1.png]]
  = 9. Packing Info =
@@ -1131,7 +1131,7 @@
  (% style="color:#037691" %)**Package Includes**:
--* PS-LB or PS-LS LoRaWAN Pressure Sensor
++* PS-LB LoRaWAN Pressure Sensor
  (% style="color:#037691" %)**Dimension and weight**:
@@ -1146,3 +1146,5 @@
  * 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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Changes for page PS-LB/LS -- LoRaWAN Air Water Pressure Sensor User Manual

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