PS-NB -- NB-IoT Air/Water Pressure Sensor User Manual

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-LB%20--%20LoRaWAN%20Pressure%20Sensor/WebHome/image-20231120111226-4.png?rev=1.1||alt="image-20231120111226-4.png"]]

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**Table of Contents:**

= 1. Introduction =

== 1.1 What is NB-IoT Pressure Sensor ==

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The Dragino PS-NB series sensors are (% style="color:blue" %)**NB-IoT Pressure Sensor**(%%) for Internet of Things solution. PS-NB can (% style="color:blue" %)**measure Air, Water pressure and liquid level**(%%) and upload the sensor data send to IoT platform via NB-IoT network.

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The PS-NB series sensors include (% style="color:blue" %)**Thread Installation Type and Immersion Type**(%%), it supports (% style="color:blue" %)**different pressure range**(%%) which can be used for different measurement requirement.

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PS-NB supports different uplink methods including (% style="color:blue" %)**MQTT, MQTTs, UDP & TCP**(%%) for different application requirement, and support uplinks to various IoT Servers.

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PS-NB (% style="color:blue" %)**supports BLE configure **(%%)and(% style="color:blue" %)** OTA update**(%%) which make user easy to use.

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PS-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use up to several years.

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PS-NB has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.

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[[image:image-20230911092301-6.png||height="296" width="921"]]

== 1.2 Features ==

* NB-IoT Bands: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD

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* Ultra-low power consumption

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* Measure air / gas or water pressure

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* Different pressure range available

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* Thread Installation Type or Immersion Type

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* Multiply Sampling and one uplink

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* Support Bluetooth v5.1 remote configure and update firmware

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* Uplink on periodically

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* Downlink to change configure

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* 8500mAh Battery for long term use

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* IP66 Waterproof Enclosure

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* Uplink via MQTT, MQTTs, TCP, or UDP

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* Nano SIM card slot for NB-IoT SIM

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== 1.3 Specification ==

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(% style="color:blue" %)**Common DC Characteristics:**

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* Supply Voltage: 2.5v ~~ 3.6v

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* Operating Temperature: -40 ~~ 85°C

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(% style="color:blue" %)**Current Input (DC) Measuring :**

* Range: 0 ~~ 20mA

* Accuracy: 0.02mA

* Resolution: 0.001mA

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(% style="color:blue" %)**Voltage Input Measuring:**

* Range: 0 ~~ 30v

* Accuracy: 0.02v

* Resolution: 0.001v

(% style="color:blue" %)**NB-IoT Spec:**

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(% style="color:#037691" %)**NB-IoT Module: BC660K-GL**

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(% style="color:#037691" %)**Support Bands:**

* B1 @H-FDD: 2100MHz

* B2 @H-FDD: 1900MHz

* B3 @H-FDD: 1800MHz

* B4 @H-FDD: 2100MHz

* B5 @H-FDD: 860MHz

* B8 @H-FDD: 900MHz

* B12 @H-FDD: 720MHz

* B13 @H-FDD: 740MHz

* B17 @H-FDD: 730MHz

* B18 @H-FDD: 870MHz

* B19 @H-FDD: 870MHz

* B20 @H-FDD: 790MHz

* B25 @H-FDD: 1900MHz

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* B28 @H-FDD: 750MHz

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* B66 @H-FDD: 2000MHz

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* B70 @H-FDD: 2000MHz

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* B85 @H-FDD: 700MHz

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(% style="color:blue" %)**Battery:**

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* Li/SOCI2 un-chargeable battery

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* Capacity: 8500mAh

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* Self Discharge: <1% / Year @ 25°C

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* Max continuously current: 130mA

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* Max boost current: 2A, 1 second

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(% style="color:blue" %)**Power Consumption**

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* STOP Mode: 10uA @ 3.3v

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* Max transmit power: 350mA@3.3v

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== 1.4 Probe Types(% style="display:none" %) (%%) ==

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=== 1.4.1 Thread Installation Type ===

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-LB%20--%20LoRaWAN%20Pressure%20Sensor/WebHome/1675071448299-229.png?rev=1.1||alt="1675071448299-229.png"]]

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* Hersman Pressure Transmitter

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* Measuring Range: -0.1 ~~ 0 ~~ 60MPa, see order info.

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* Accuracy: 0.2% F.S

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* Long-Term Stability: 0.2% F.S ±0.05%

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* Overload 200% F.S

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* Zero Temperature Drift: 0.03% FS/℃(≤100Kpa), 0.02%FS/℃(>100Kpa)

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* FS Temperature Drift: 0.003% FS/℃(≤100Kpa), 0.002%FS/℃(>100Kpa)

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* Storage temperature: -30℃~~80℃

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* Operating temperature: -20℃~~60℃

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* Connector Type: Various Types, see order info

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=== 1.4.2 Immersion Type ===

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-LB%20--%20LoRaWAN%20Pressure%20Sensor/WebHome/1675071521308-426.png?rev=1.1||alt="1675071521308-426.png" height="206" width="188"]]

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* Immersion Type, Probe IP Level: IP68

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* Measuring Range: Measure range can be customized, up to 100m.

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* Accuracy: 0.2% F.S

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* Long-Term Stability: ±0.2% F.S / Year

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* Storage temperature: -30℃~~80℃

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* Operating temperature: 0℃~~50℃

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* Material: 316 stainless steels

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(% style="display:none" %) (%%)

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== 1.5 Application and Installation ==

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=== 1.5.1 Thread Installation Type ===

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(% style="color:blue" %)**Application:**

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* Hydraulic Pressure

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* Petrochemical Industry

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* Health and Medical

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* Food & Beverage Processing

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* Auto-controlling house

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* Constant Pressure Water Supply

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* Liquid Pressure measuring

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Order the suitable thread size and install to measure the air / liquid pressure

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-LB%20--%20LoRaWAN%20Pressure%20Sensor/WebHome/1675071670469-145.png?rev=1.1||alt="1675071670469-145.png"]]

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=== 1.5.2 Immersion Type ===

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(% style="color:blue" %)**Application:**

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Liquid & Water Pressure / Level detect.

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-LB%20--%20LoRaWAN%20Pressure%20Sensor/WebHome/1675071725288-579.png?rev=1.1||alt="1675071725288-579.png"]]

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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.

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[[image:image-20230913150619-1.png]]

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-LB%20--%20LoRaWAN%20Pressure%20Sensor/WebHome/1675071776102-240.png?rev=1.1||alt="1675071776102-240.png"]](% style="display:none" %)

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== 1.6 Sleep mode and working mode ==

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(% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any NB-IoT activate. This mode is used for storage and shipping to save battery life.

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(% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as NB-IoT Sensor to Join NB-IoT 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.

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== 1.7 Button & LEDs ==

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[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]

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(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)

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|=(% style="width: 167px;background-color:#4F81BD;color:white" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width:225px;background-color:#4F81BD;color:white" %)**Action**

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|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((

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If sensor has already attached to NB-IoT network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.

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Meanwhile, BLE module will be active and user can connect via BLE to configure device.

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|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((

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(% 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 attach NB-IoT network.

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(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.

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Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device attach NB-IoT network or not.

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|(% 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.

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(% style="color:red" %)**Note: When the device is executing a program, the buttons may become invalid. It is best to press the buttons after the device has completed the program execution.**

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== 1.8 BLE connection ==

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PS-NB support BLE remote configure and firmware update.

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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:

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* Press button to send an uplink

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* Press button to active device.

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* Device Power on or reset.

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If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.

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== 1.9 Pin Definitions , Switch & SIM Direction ==

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PS-NB use the mother board which as below.

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[[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-NB-NA_NB-IoT_Analog_Sensor_User_Manual/WebHome/image-20230913113836-1.png?width=545&height=330&rev=1.1||alt="image-20230913113836-1.png"]]

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=== 1.8.1 Jumper JP2 ===

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Power on Device when put this jumper.

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=== 1.8.2 BOOT MODE / SW1 ===

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**1)** (% style="color:blue" %)**ISP**(%%): upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.

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**2)** (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug

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=== 1.8.3 Reset Button ===

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Press to reboot the device.

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(% style="display:none" %) (%%)

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=== 1.8.4 SIM Card Direction ===

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See this link. [[How to insert SIM Card>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.AttachNetwork]].

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== 1.9 BLE connection ==

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PS-NB support BLE remote configure.

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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:

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* Press button to send an uplink

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* Press button to active device.

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* Device Power on or reset.

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If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.(% style="display:none" %)

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== 1.10 Mechanical ==

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-LB%20--%20LoRaWAN%20Pressure%20Sensor/WebHome/1675143884058-338.png?rev=1.1||alt="1675143884058-338.png"]]

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-LB%20--%20LoRaWAN%20Pressure%20Sensor/WebHome/1675143899218-599.png?rev=1.1||alt="1675143899218-599.png"]]

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-LB%20--%20LoRaWAN%20Pressure%20Sensor/WebHome/1675143909447-639.png?rev=1.1||alt="1675143909447-639.png"]](% style="display:none" %)

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= 2. Use PS-NB to communicate with IoT Server =

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== 2.1 Send data to IoT server via NB-IoT network ==

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The PS-NB is equipped with a NB-IoT module, the pre-loaded firmware in PS-NB will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module. The NB-IoT network will forward this value to IoT server via the protocol defined by PS-NB.

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Below shows the network structure:

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[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-NB_NB-IoT_AirWater_Pressure_Sensor_User_Manual/WebHome/image-20230911092301-6.png?width=921&height=296&rev=1.1||alt="image-20230911092301-6.png"]]

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There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of PS-NB.

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(% style="color:blue" %)**GE Version**(%%): This version doesn't include SIM card or point to any IoT server. User needs to use AT Commands to configure below two steps to set PS-NB send data to IoT server.

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* Install NB-IoT SIM card and configure APN. See instruction of [[Attach Network>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.AttachNetwork]].

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* Set up sensor to point to IoT Server. See instruction of [[Configure to Connect Different Servers>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.Configuretoconnecttodifferentservers]].

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Below shows result of different server as a glance.

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(% border="1" cellspacing="4" style="width:515px" %)

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|(% style="background-color:#4f81bd; color:white; width:100px" %)**Servers**|(% style="background-color:#4f81bd; color:white; width:300px" %)**Dash Board**|(% style="background-color:#4f81bd; color:white; width:115px" %)**Comments**

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|(% style="width:127px" %)[[Node-Red>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.5A0Node-RedA028viaA0MQTT29]]|(% style="width:385px" %)(((

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(% style="text-align:center" %)

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[[image:image-20230819113244-8.png||height="183" width="367"]]

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)))|(% style="width:170px" %)

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|(% style="width:127px" %)[[DataCake>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]]|(% style="width:385px" %)(((

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(% style="text-align:center" %)

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[[image:image-20230819113244-9.png||height="119" width="367"]]

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)))|(% style="width:170px" %)

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|(% style="width:127px" %)[[Tago.IO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.7A0Tago.ioA028viaA0MQTT29]]|(% style="width:385px" %) |(% style="width:170px" %)

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|(% style="width:127px" %)[[General UDP>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.1GeneralA0UDPA0Connection]]|(% style="width:385px" %)Raw Payload. Need Developer to design Dash Board|(% style="width:170px" %)

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|(% style="width:127px" %)[[General MQTT>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.2GeneralA0MQTTA0Connection]]|(% style="width:385px" %)Raw Payload. Need Developer to design Dash Board|(% style="width:170px" %)

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|(% style="width:127px" %)[[ThingSpeak>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.3A0ThingSpeakA028viaA0MQTT29]]|(% style="width:385px" %)(((

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(% style="text-align:center" %)

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[[image:image-20230819113244-10.png||height="104" width="367"]]

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)))|(% style="width:170px" %)

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|(% style="width:127px" %)[[ThingsBoard>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.6A0ThingsBoard.CloudA028viaA0MQTT29]]|(% style="width:385px" %)(((

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(% style="text-align:center" %)

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[[image:image-20230819113244-11.png||height="141" width="367"]]

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)))|(% style="width:170px" %)

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(% style="color:blue" %)**1D Version**(%%): This version has 1NCE SIM card pre-installed and configure to send value to DataCake. User Just need to select the sensor type in DataCake and Activate PS-NB and user will be able to see data in DataCake. See here for [[DataCake Config Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H3.4Datacake]].

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== 2.2 Payload Types ==

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To meet different server requirement, PS-NB supports different payload type.

**Includes:**

* [[General JSON format payload>>||anchor="H2.2.1GeneralJsonFormat28Type3D529"]]. (Type=5)

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* [[HEX format Payload>>||anchor="H2.2.2HEXformatPayload28Type3D029"]]. (Type=0)

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* [[ThingSpeak Format>>||anchor="H2.2.4ThingSpeakPayload28Type3D129"]]. (Type=1)

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* [[ThingsBoard Format>>||anchor="H2.2.3ThingsBoardPayload28Type3D329"]]. (Type=3)

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User can specify the payload type when choose the connection protocol. Example:

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(% style="color:#037691" %)**AT+PRO=2,0** (%%) ~/~/ Use UDP Connection & hex Payload

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(% style="color:#037691" %)**AT+PRO=2,5** (%%) ~/~/ Use UDP Connection & Json Payload

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(% style="color:#037691" %)**AT+PRO=3,0** (%%) ~/~/ Use MQTT Connection & hex Payload

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(% style="color:#037691" %)**AT+PRO=3,1 **(%%)~/~/ Use MQTT Connection & ThingSpeak

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(% style="color:#037691" %)**AT+PRO=3,3 **(%%)~/~/ Use MQTT Connection & ThingsBoard

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(% style="color:#037691" %)**AT+PRO=3,5 ** (%%) ~/~/ Use MQTT Connection & Json Payload

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(% style="color:#037691" %)**AT+PRO=4,0** (%%) ~/~/ Use TCP Connection & hex Payload

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(% style="color:#037691" %)**AT+PRO=4,5** (%%) ~/~/ Use TCP Connection & Json Payload

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=== 2.2.1 General Json Format(Type~=5) ===

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This is the General Json Format. As below:

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\\(% style="color:#4472c4" %)**{"IMEI":"866207053462705","Model":"PS-NB","idc_intput":0.000,"vdc_intput":0.000,"battery":3.513,"signal":23,"1":{0.000,5.056,2023/09/13 02:14:41},"2":{0.000,3.574,2023/09/13 02:08:20},"3":{0.000,3.579,2023/09/13 02:04:41},"4":{0.000,3.584,2023/09/13 02:00:24},"5":{0.000,3.590,2023/09/13 01:53:37},"6":{0.000,3.590,2023/09/13 01:50:37},"7":{0.000,3.589,2023/09/13 01:47:37},"8":{0.000,3.589,2023/09/13 01:44:37}}**

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(% style="color:red" %)**Notice, from above payload:**

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* Idc_input , Vdc_input , Battery & Signal are the value at uplink time.

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* Json entry 1 ~~ 8 are the last 1 ~~ 8 sampling data as specify by (% style="color:#037691" %)**AT+NOUD=8 ** (%%)Command. Each entry includes (from left to right): Idc_input , Vdc_input, Sampling time.

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=== 2.2.2 HEX format Payload(Type~=0) ===

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This is the HEX Format. As below:

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(% style="color:#4472c4" %)**f866207053462705 0165 0dde 13 0000 00 00 00 00 0fae 0000 64e2d74f 10b2 0000 64e2d69b 0fae 0000 64e2d5e7 10b2 0000 64e2d47f 0fae 0000 64e2d3cb 0fae 0000 64e2d263 0fae 0000 64e2d1af 011a 01e8 64d494ed 0118 01e8 64d4943**

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[[image:image-20230904115628-4.png||height="233" width="1290"]]

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(% style="color:blue" %)**Version:**

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These bytes include the hardware and software version.

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(% style="color:#037691" %)**Higher byte:**(%%) Specify Sensor Model: 0x01 for PS-NB

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(% style="color:#037691" %)**Lower byte:**(%%) Specify the software version: 0x65=101, means firmware version 1.0.1

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(% style="color:blue" %)**BAT (Battery Info):**

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Check the battery voltage for PS-NB.

Ex1: 0x0dde = 3550mV

Ex2: 0x0B49 = 2889mV

(% style="color:blue" %)**Signal Strength:**

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NB-IoT Network signal Strength.

**Ex1: 0x13 = 19**

**0** -113dBm or less

**1** -111dBm

**2...30** -109dBm... -53dBm

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**31** -51dBm or greater

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**99** Not known or not detectable

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(% style="color:blue" %)**Probe Model:**

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PS-NB might connect to different kind of probes, 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:500px" %)

432

|(% style="background-color:#4f81bd; color:white; width:150px" %)**Probe Type**|(% style="background-color:#4f81bd; color:white; width:150px" %)**4~~20mA scale for this probe**|(% style="background-color:#4f81bd; color:white; width:200px" %)**Example: 12mA actually meaning for this probe**

433

|(% style="background-color:#f2f2f2; width:206px" %)PH Combination Electrodes|(% style="background-color:#f2f2f2; width:222px" %)0 ~~ 14 pH|(% style="background-color:#f2f2f2; width:356px" %)PH Value: 7

434

|(% style="background-color:#f2f2f2; width:206px" %)Water Pressure Sensor|(% style="background-color:#f2f2f2; width:222px" %)0~~5 meters|(% style="background-color:#f2f2f2; width:356px" %)2.5 meters pure water

435

|(% style="background-color:#f2f2f2; width:206px" %)Pressure transmitter probe|(% style="background-color:#f2f2f2; width:222px" %)0~~1MPa|(% style="background-color:#f2f2f2; width:356px" %)0.5MPa air / gas or water pressure

436

437

User can set different probe model for above probes. So IoT server is able to se identical how it should parse the 4~~20mA or 0~~30v sensor value and get the correct value.

438

439

440

(% style="color:blue" %)**IN1 & IN2: **

441

442

IN1 and IN2 are used as Digital input pins.

443

444

(% style="color:#037691" %)**Example**:

445

446

01 (H): IN1 or IN2 pin is high level.

447

448

00 (L): IN1 or IN2 pin is low level.(% style="color:blue" %)** **

449

450

451

(% style="color:blue" %)**GPIO_EXTI Level:**

452

453

GPIO_EXTI is used as Interrupt Pin.

454

455

(% style="color:#037691" %)**Example**:

456

457

01 (H): GPIO_EXTI pin is high level.

458

459

00 (L): GPIO_EXTI pin is low level.

460

461

462

(% style="color:blue" %)**GPIO_EXTI Flag:**

463

464

This data field shows if this packet is generated by (% style="color:blue" %)**Interrupt Pin** (%%)or not.

465

466

Note: The Interrupt Pin is a separate pin in the screw terminal.

467

468

(% style="color:#037691" %)**Example:**

469

470

0x00: Normal uplink packet.

471

472

0x01: Interrupt Uplink Packet.

473

474

475

(% style="color:blue" %)**0~~20mA:**

476

477

(% style="color:#037691" %)**Example**:

478

479

27AE(H) = 10158 (D)/1000 = 10.158mA.

480

481

[[image:image-20230904112121-3.png||height="219" width="552"]]

482

483

**Connect to a 2 wire 4~~20mA sensor.**

484

485

[[image:image-20230913150648-2.png||height="304" width="559"]]

486

487

488

(% style="color:blue" %)**0~~30V:**

489

490

Measure the voltage value. The range is 0 to 30V.

491

492

(% style="color:#037691" %)**Example**:

493

494

138E(H) = 5006(D)/1000= 5.006V

495

496

497

(% style="color:blue" %)**TimeStamp: **

498

499

Unit TimeStamp Example: 64e2d74f(H) = 1692587855(D)

500

501

Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]])to get the time.

502

503

504

=== 2.2.3 ThingsBoard Payload(Type~=3) ===

505

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507

Type3 payload special design for ThingsBoard, it will also configure other default server to ThingsBoard.

508

509

(% style="color:blue" %)**{"IMEI": "866207053462705","Model": "PS-NB","idc_intput": 0.0,"vdc_intput": 3.577,"battery": 3.55,"signal": 22}**

510

511

[[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-NB-NA_NB-IoT_Analog_Sensor_User_Manual/WebHome/image-20230913113900-2.png?width=688&height=401&rev=1.1||alt="image-20230913113900-2.png"]]

=== 2.2.4 ThingSpeak Payload(Type~=1) ===

516

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This payload meets ThingSpeak platform requirement. It includes only four fields. Form 1~~4 are:

519

520

Idc_input , Vdc_input , Battery & Signal. This payload type only valid for ThingsSpeak Platform

As below:

(% style="color:blue" %)**field1=idc_intput value&field2=vdc_intput value&field3=battery value&field4=signal value**

525

526

[[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-NB-NA_NB-IoT_Analog_Sensor_User_Manual/WebHome/image-20230913113919-3.png?width=622&height=453&rev=1.1||alt="image-20230913113919-3.png"]]

527

528

529

== 2.3 Test Uplink and Change Update Interval ==

530

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532

By default, Sensor will send uplinks (% style="color:blue" %)**every 2 hours**(%%) & AT+NOUD=8

533

534

User can use below commands to change the (% style="color:blue" %)**uplink interval**.

535

536

(% style="color:#037691" %)**AT+TDC=600 ** (%%) ~/~/ Set Update Interval to 600s

537

538

User can also push the button for more than 1 seconds to activate an uplink.

539

540

541

== 2.4 Multi-Samplings and One uplink ==

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543

(% style="color:red" %)Notice: The AT+NOUD feature is upgraded to Clock Logging, please refer** **(%%)[[Clock Logging Feature>>||anchor="H2.8A0Clocklogging28Sincefirmwareversionv1.0.529"]].

544

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To save battery life, PS-NB will sample Idc_input & Vdc_input data every 15 minutes and send one uplink every 2 hours. So each uplink it will include 8 stored data + 1 real-time data. They are defined by:

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* (% style="color:#037691" %)**AT+TR=900** (%%) ~/~/ The unit is seconds, and the default is to record data once every 900 seconds (15 minutes, the minimum can be set to 180 seconds)

548

549

* (% style="color:#037691" %)**AT+NOUD=8** (%%)~/~/ The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.

550

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The diagram below explains the relationship between TR, NOUD, and TDC more clearly:

552

553

[[image:1692424376354-959.png]]

554

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556

== 2.5 Trggier an uplink by external interrupt ==

557

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559

PS-NB has an external trigger interrupt function. Users can use the GPIO_EXTI pin to trigger the upload of data packets.

560

561

(% style="color:blue" %)**AT command:**

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* (% style="color:#037691" %)**AT+INTMOD **(%%) ~/~/ Set the trigger interrupt mode

564

565

* (% style="color:#037691" %)**AT+INTMOD=0 **(%%) ~/~/ Disable Interrupt,as a digital input pin

566

567

* (% style="color:#037691" %)**AT+INTMOD=1 **(%%) ~/~/ Trigger by rising and falling edge

568

569

* (% style="color:#037691" %)**AT+INTMOD=2 **(%%) ~/~/ Trigger by falling edge

570

571

* (% style="color:#037691" %)**AT+INTMOD=3 **(%%) ~/~/ Trigger by rising edge

572

573

== 2.6 Set Power Output Duration ==

574

575

576

Control the output duration 3V3 , 5V or 12V. Before each sampling, device will

577

578

~1. first enable the power output to external sensor,

579

580

2. keep it on as per duration, read sensor value and construct uplink payload

581

582

3. final, close the power output.

583

584

585

(% style="color:blue" %)**AT Command: AT+3V3T**

586

587

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:471px" %)

588

|=(% style="width: 154px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 201px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 116px;background-color:#4F81BD;color:white" %)**Response**

589

|(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=?|(% style="background-color:#f2f2f2; width:201px" %)Show 3V3 open time.|(% style="background-color:#f2f2f2; width:116px" %)(((

0

OK

)))

|(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=0|(% style="background-color:#f2f2f2; width:201px" %)Normally open 3V3 power supply.|(% style="background-color:#f2f2f2; width:116px" %)(((

OK

default setting

)))

|(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=1000|(% style="background-color:#f2f2f2; width:201px" %)Close after a delay of 1000 milliseconds.|(% style="background-color:#f2f2f2; width:116px" %)(((

598

OK

599

)))

600

|(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=65535|(% style="background-color:#f2f2f2; width:201px" %)Normally closed 3V3 power supply.|(% style="background-color:#f2f2f2; width:116px" %)(((

OK

)))

(% style="color:blue" %)**AT Command: AT+5VT**

605

606

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:465px" %)

607

|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 196px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 114px;background-color:#4F81BD;color:white" %)**Response**

608

|(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=?|(% style="background-color:#f2f2f2; width:196px" %)Show 5V open time.|(% style="background-color:#f2f2f2; width:114px" %)(((

0

OK

)))

|(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=0|(% style="background-color:#f2f2f2; width:196px" %)Normally closed 5V power supply.|(% style="background-color:#f2f2f2; width:114px" %)(((

OK

default setting

)))

|(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=1000|(% style="background-color:#f2f2f2; width:196px" %)Close after a delay of 1000 milliseconds.|(% style="background-color:#f2f2f2; width:114px" %)(((

617

OK

618

)))

619

|(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=65535|(% style="background-color:#f2f2f2; width:196px" %)Normally open 5V power supply.|(% style="background-color:#f2f2f2; width:114px" %)(((

OK

)))

(% style="color:blue" %)**AT Command: AT+12VT**

624

625

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:438px" %)

626

|=(% style="width: 156px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 199px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 83px;background-color:#4F81BD;color:white" %)**Response**

627

|(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=?|(% style="background-color:#f2f2f2; width:199px" %)Show 12V open time.|(% style="background-color:#f2f2f2; width:83px" %)(((

0

OK

)))

|(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=0|(% style="background-color:#f2f2f2; width:199px" %)Normally closed 12V power supply.|(% style="background-color:#f2f2f2; width:83px" %)OK

632

|(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=500|(% style="background-color:#f2f2f2; width:199px" %)Close after a delay of 500 milliseconds.|(% style="background-color:#f2f2f2; width:83px" %)(((

OK

)))

== 2.7 Set the Probe Model ==

637

638

639

Users need to configure this parameter according to the type of external probe. In this way, the server can decode according to this value, and convert the current value output by the sensor into water depth or pressure value.

640

641

(% style="color:blue" %)**AT Command: AT** **+PROBE**

AT+PROBE=aabb

When aa=00, it is the water depth mode, and the current is converted into the water depth value; bb is the probe at a depth of several meters.

646

647

When aa=01, it is the pressure mode, which converts the current into a pressure value;

648

649

bb represents which type of pressure sensor it is.

650

651

(A->01,B->02,C->03,D->04,E->05,F->06,G->07,H->08,I->09,J->0A,K->0B,L->0C)

652

653

(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)

654

|(% 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**

655

|(% 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

656

OK

657

|(% 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

658

|(% style="background-color:#f2f2f2; width:154px" %)(((

AT +PROBE =000A

)))|(% style="background-color:#f2f2f2; width:269px" %)Set water depth sensor mode, 10m type.|(% style="background-color:#f2f2f2" %)OK

663

|(% style="background-color:#f2f2f2; width:154px" %)AT +PROBE =0101|(% style="background-color:#f2f2f2; width:269px" %)Set pressure transmitters mode, first type(A).|(% style="background-color:#f2f2f2" %)OK

664

|(% style="background-color:#f2f2f2; width:154px" %)AT +PROBE =0000|(% style="background-color:#f2f2f2; width:269px" %)Initial state, no settings.|(% style="background-color:#f2f2f2" %)OK

665

666

== 2.8 Clock logging (Since firmware version v1.0.5) ==

667

668

Sometimes when we deploy lots of end nodes in field. We want all sensors sample data at the same time, and upload these data together for analyze. In such case, we can use clock loging feature.

669

670

We can use this command to set the start time of data recording and the time interval to meet the requirements of the specific collection time of data.

671

672

(% style="color:blue" %)**AT Command: AT+CLOCKLOG=a,b,c,d**

673

674

**a: 0:** Disable Clock logging. ** 1: **Enable Clock Logging

675

676

**b: **Specify First sampling start second: range **(0 ~~ 3599, 65535) ** ~/~/ (% style="color:red" %)**Note: **If parameter b is set to 65535, the log period starts after the node accesses the network and sends packets.

677

678

**c: **Specify the sampling interval: range **(0 ~~ 255 minutes)**

679

680

**d: **How many entries should be uplink on every TDC **(max 32)**

681

682

[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-NB-NA_NB-IoT_Analog_Sensor_User_Manual/WebHome/image-20240408084118-1.png?rev=1.1||alt="image-20240408084118-1.png"]]

**Example:**

**AT+CLOCKLOG=1,65535,1,3**

687

688

After the node sends the first packet, data is recorded to the memory at intervals of 1 minute. For each TDC uplink, the uplink load will include: battery information + the last 3 memory records (payload + timestamp).

689

690

[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-NB-NA_NB-IoT_Analog_Sensor_User_Manual/WebHome/image-20240407191613-1.png?width=1128&height=538&rev=1.1||alt="image-20240407191613-1.png"]]

691

692

(% style="color:red" %)**Note: Users need to synchronize the server time before configuring this command. If the server time is not synchronized before this command is configured, the command takes effect only after the node is reset.**

== 2.9 Example Query saved historical records ==

697

698

699

(% style="color:blue" %)**AT Command: AT +CDP**(%%)

700

This command can be used to search the saved history, recording up to 32 groups of data, each group of historical data contains a maximum of 100 bytes.

701

702

[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/TS01-NB_NB-IoT_Tilting_Sensor_User_Manual/WebHome/image-20240316163550-2.png?width=829&height=638&rev=1.1||alt="image-20240316163550-2.png"]]

703

704

== 2.10 Uplink log query ==

705

706

707

(% style="color:blue" %)**AT Command: AT** **+GETLOG**

708

709

This command can be used to query upstream logs of data packets.

710

711

[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-NB-NA_NB-IoT_Analog_Sensor_User_Manual/WebHome/image-20240407191922-2.png?width=903&height=631&rev=1.1||alt="image-20240407191922-2.png"]]

= 3. Configure PS-NB =

717

718

== 3.1 Configure Methods ==

719

720

721

PS-NB supports below configure method:

722

723

* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].

724

725

* 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]].

726

727

== 3.2 AT Commands Set ==

728

729

730

AT+<CMD>? : Help on <CMD>

AT+<CMD> : Run <CMD>

AT+<CMD>=<value> : Set the value

735

736

AT+<CMD>=? : Get the value

737

738

739

(% style="color:blue" %)**General Commands**

AT : Attention

AT? : Short Help

ATZ : MCU Reset

AT+TDC : Application Data Transmission Interval

748

749

AT+CFG : Print all configurations

750

751

AT+MODEL :Get module information

752

753

AT+SLEEP :Get or set the sleep status

754

755

AT+DEUI : Get or set the Device ID

756

757

AT+INTMOD : Set the trigger interrupt mode

758

759

AT+APN : Get or set the APN

760

761

AT+3V3T : Set extend the time of 3V3 power

762

763

AT+5VT : Set extend the time of 5V power

764

765

AT+12VT : Set extend the time of 12V power

766

767

AT+PROBE : Get or Set the probe model

768

769

AT+PRO : Choose agreement

770

771

AT+RXDL : Extend the sending and receiving time

772

773

AT+TR : Get or set data record time

774

775

AT+CDP : Read or Clear cached data

776

777

AT+NOUD : Get or Set the number of data to be uploaded

778

779

AT+DNSCFG : Get or Set DNS Server

780

781

AT+CSQTIME : Get or Set the time to join the network

782

783

AT+DNSTIMER : Get or Set the NDS timer

784

785

AT+TLSMOD : Get or Set the TLS mode

786

787

AT+GETSENSORVALUE : Returns the current sensor measurement

788

789

AT+SERVADDR : Server Address

790

791

792

(% style="color:blue" %)**MQTT Management**

793

794

AT+CLIENT : Get or Set MQTT client

795

796

AT+UNAME : Get or Set MQTT Username

797

798

AT+PWD : Get or Set MQTT password

799

800

AT+PUBTOPIC : Get or Set MQTT publish topic

801

802

AT+SUBTOPIC : Get or Set MQTT subscription topic

803

804

805

(% style="color:blue" %)**Information**

806

807

AT+FDR : Factory Data Reset

808

809

AT+PWORD : Serial Access Password

810

811

AT+LDATA : Get the last upload data

812

813

AT+CDP : Read or Clear cached data

814

815

816

= 4. Battery & Power Consumption =

817

818

819

PS-NB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.

820

821

[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .

822

823

824

= 5. Firmware update =

825

826

827

User can change device firmware to::

828

829

* Update with new features.

* Fix bugs.

Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/91v917ybgrdf6ml/AAD-65iMMIxpCkhaBvHN44e-a?dl=0]]**

834

835

Methods to Update Firmware:

836

837

* (Recommended way) OTA firmware update via BLE: [[**Instruction**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE_Firmware_Update_NB_Sensors_BC660K-GL/]].

838

839

* Update through UART TTL interface : **[[Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/UART_Access_for_NB_ST_BC660K-GL/#H4.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]]**.

= 6. FAQ =

== 6.1 How can I access t BC660K-GL AT Commands? ==

844

845

846

User can access to BC660K-GL directly and send AT Commands.

847

848

[[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]]

849

850

851

== 6.2 How to configure the device through the MQTT subscription function?（Since version v1.0.3） ==

852

853

854

Subscription content: {AT COMMAND}

855

856

(% style="color:#037691" %)**Example:**

857

858

Setting **AT+5VT=500** through Node-RED requires MQTT to send the content {AT+5VT=500}.

859

860

[[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-NB-NA_NB-IoT_Analog_Sensor_User_Manual/WebHome/image-20231025162946-2.png?rev=1.1||alt="image-20231025162946-2.png"]]

861

862

The serial port displays:

863

864

[[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/PS-NB-NA_NB-IoT_Analog_Sensor_User_Manual/WebHome/image-20231025162958-3.png?rev=1.1||alt="image-20231025162958-3.png"]]

865

866

867

= 7. Troubleshooting =

868

869

== 7.1 Water Depth Always shows 0 in payload ==

870

871

872

If your device's IDC_intput_mA is normal, but your reading always shows 0, please refer to the following points:

873

874

~1. Please set it to mod1

875

876

2. Please set the command [[AT+PROBE>>||anchor="H2.7SettheProbeModel"]] according to the model of your sensor

877

878

3. Check the connection status of the sensor

= 8. Order Info =

Part Number: (% style="color:blue" %)**PS-NB-Txx-YY or PS-NB-Ixx-YY**

885

886

(% style="color:red" %)**XX: Pressure Range and Thread Type **

887

888

(% style="color:blue" %)**YY: **

889

890

* (% style="color:red" %)**GE**(%%): General version ( Exclude SIM card)

891

892

* (% style="color:red" %)**1D**(%%): with 1NCE* 10 years 500MB SIM card and Pre-configure to DataCake server.

893

894

[[image:image-20231009155543-1.png]]

= 9. Packing Info =

(% style="color:#037691" %)**Package Includes**:

901

902

* PS-NB NB-IoT Air/Water Pressure Sensor x 1

903

904

* External antenna x 1

905

906

(% style="color:#037691" %)**Dimension and weight**:

* Device Size: cm

* Device Weight: g

* Package Size / pcs : cm

* Weight / pcs : g

= 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.

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* 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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Wiki source code of PS-NB -- NB-IoT Air/Water Pressure Sensor User Manual

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