NexSens Technology X2 Manuale utente
X2 Environmental Data
Logger
User Guide
Last Revision: 17 March 2023
Date Generated: 17 March 2023
Copyright © 2023 NexSens Technology, Inc.
Table of Contents
1. General
X2 Environmental Data Logger Overview
Key Specifications
Internal Features
Direct Communication
Telemetry Options
WQData LIVE Web Datacenter
Identify X2 via Body Tag
2. Powering Up
Apply Power to the X2
Basic Requirements
Input Channels
Connector Wiring
Power Accessories
Typical Applications
UW-6 Universal Pinout
X2 LED Indicator Lights
Data Logger Status LEDs
Wi-Fi Status LEDs
3. Establish Communication
X2 Data Flow
Wi-Fi
Cellular
Iridium
Radio to Cellular
Radio to PC
Wi-Fi
Connect to an X2 via Wi-Fi Direct
Configure Network Settings
Cellular
Set up a 4G Cellular Account for an X2 Data Logger
Set an X2 Data Logger APN Using CONNECT
Iridium
Setup Iridium Logger Through CONNECT
Iridium Transmission Delay
Radio
Set Up a NexSens Radio Network
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4. Connect Sensors
X2 Supported Sensors
Tier 1 Sensors
Tier 2 Sensors
Tier 3 Sensors
CONNECT Software
UW Connectors
UW-8 Sensor Port Pinout
UW-8 Plug Pinout
UW-FWP Wiring
X2 Sensor Detection
When Sensor Detections Occur
Important Considerations
5. Setup WQData LIVE
Adding a Data Logger to a WQData LIVE Project
Changing Sensor Log Intervals
Changing Data Logger Transmission Interval
Run Remote Sensor Detection
X2 Logger Diagnostic Readings
X2 Meta Parameter Descriptions
6. Field Installation
Mount an X2 Environmental Data Logger
X2 Mounting Kit Installation
X2 Data Logger Grounding
X2 Data Logger Grounding Kit
7. Troubleshooting and Maintenance
Running a Sensor Re-Detection
Re-Detection Considerations
Re-Detection Process
Confirming the New Sensor Configuration
Updating the Sensor Configuration on WQData LIVE
Check SP-Series Solar Pack Voltage
Sensor(s) Not Found During X2 Auto-Detection
Desiccant Replacement
Desiccant Replacement Process
X2 Storage Requirements
8. Warranty
9. Service Request
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1. General
X2 Environmental Data Logger Overview
The X2 is an all-in-one environmental data logger that can be controlled from any internet
browser using a smartphone, tablet, or PC. It automatically recognizes sensors and sends
data to the WQData LIVE web data center via Wi-Fi, cellular, radio, or satellite telemetry.
There, data is presented on a fully-featured and easy-to-use dashboard where remote, real-
time communication with the logger is possible. The X2 includes three sensor ports that
are compatible with most environmental sensor protocols including SDI-12, RS-232, and
RS-485. All connections are made with a simple thread-in connector, and the built-in sensor
library automatically facilitates setup and configuration.
Key Specifications
The key specifications for the X2 Environmental Data Logger are given below:
Material: Anodized aluminum
Weight: 3.5 lbs. (1.6 kg)
Dimensions: 4.9″ (12.45 cm) Diameter, 4.77″ (12.12 cm) Height
Power Requirements: 5-24 VDC +/-10% (Reverse polarity protected)
Current Draw (Typical @ 12VDC): Low power sleep: 350uA; Logger Active: 35mA;
Wi-Fi Transmitting: 43mA; Cellular Transmitting: 300mA
Peak Current: Power supply must be able to sustain a 500mA 1-second peak current
(@ 12V)
Operating Temperature: -20°C to 70°C
Rating: IP67 (Standalone); IP65 (With telemetry)
Figure 1: NexSens X2
Environmental Data Logger.
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Internal Features
Internal data logging and processing are driven by the features below:
Data Logging: 256MB microSD card (expandable up to 32GB)
Data Processing: Parameter level polynomial equation adjustment; Basic & Burst
Averaging (min, max, standard deviation, and raw data available)
Real Time Clock (RTC): <30sec/month drift; Auto-sync weekly; Internal backup
battery
Assumes 25°C operating temperature and internet connection for syncing.
Sensor Interfaces: SDI-12, RS-232 (3 Channels), RS485
Sensor Power: (3) 12V regulated switch channels with 1.5A capacity
Cumulative concurrent current limit of all three channels is 2A
Built-in Sensors: Temperature (-40 to 85°C, 0.1°C resolution, ±0.3°C accuracy);
Humidity (0% to 100%, 0.1% resolution, ±4% accuracy from 5 to 95% RH & -20 to
70°C); Battery voltage
Sensor Ports: (3) 8-Pin for Sensor Interface (RS-232, RS-485, SDI-12, 5V, 12V, GND)
Power Port: (1) 6-Pin for Power and Communication (Primary/Secondary/Backup Input,
RS-485 Host, GND)
Direct Communication
The CONNECT software enables users to interface directly with any NexSens X2-Series data
logger using a UW6-USB-485P cable. It supports a growing number of diagnostic and
configuration tools to facilitate system setup and troubleshooting.
Figure 2: CONNECT
software.
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Telemetry Options
The X2 supports Wi-Fi, radio, cellular, and satellite telemetry. A radio to cellular option is
also available.
Wi-Fi
Communications: 802.11b/g/n (Direct to X2 or Connect X2 to an existing network)
Antenna: Internal to device
Range: 250 ft. maximum
Actual distances may vary by location.
Radio
900MHz Mesh Network (902-928 MHz)
2.4GHz Mesh Network (2.4-2.483 GHz)
Cellular
2G: GSM 850, 900, 1800, 1900 MHz
3G: UMTS/HSPA+ 850, 900, 1700, 1900, 2100 MHz
4G: LTE Bands B2(1900), B4(1700), B5(850), B12(700ac), B13(700c)
Iridium
Short Burst Data (SBD) 1616 MHz to 1626.5 MHz
WQData LIVE Web Datacenter
WQData LIVE is a web-based project management service that allows users 24/7 instant
access to data collected from NexSens G2, X2, and V2 platforms. Users can configure and
update systems remotely via their telemetry based option.
Figure 3: WQData LIVE web
datacenter.
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Identify X2 via Body Tag
Each X2 data logger has a body tag number etched into the side of the bottom bulkhead. It
is located on the lower backside of the logger in between the two RF ports or plugs.
The body tag number is incorporated into the default name of the device on WQData LIVE
and will often be requested by a technical support specialist in the event remote
troubleshooting is required or if NexSens-supplied data services require activation or
cancellation. It can be found by navigating to ADMIN | Settings | Device Remote
Configuration from the WQData LIVE Project Dashboard.
Figure 1: X2 body tag
location.
Figure 2: Enhanced view of
body tag number 01010.
Figure 3: WQData LIVE
default logger ID with body
tag number.
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2. Powering Up
Apply Power to the X2
The X2 offers several power input options for flexibility in system design and redundancy in
critical monitoring applications. Available options include solar-charged power pack,
battery-only and AC power.
Basic Requirements
Supply Voltage: 5-24VDC [+/-15%] (Reverse polarity protected)
Current Draw (Typical @ 12VDC): Low power sleep: 350uA; Logger Active: 35mA; Wi-Fi
Transmitting: 43mA; Cellular Transmitting: 300mA
Peak Current: 500mA @ 12V for 1 second
Input Channels
The X2 is equipped with three separate power input channels. Power is supplied to the X2
via the UW-6 receptacle port on the bottom of the logger, where there is a separate pin for
each of the three input channels (see Connector Wiring or the UW-6 Universal Pinout).
The X2 pulls power from the highest priority channel that has a voltage within the specified
range. If one of the sources falls outside the range, the next highest priority channel will
automatically take over without an interruption in supply.
From highest to lowest priority, the channel order is as follows:
Primary
Secondary
Backup
This multi-input design allows users the option to connect redundant power sources in
order to mitigate the likelihood of system power loss.
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Connector Wiring
The below table and diagram show the proper connections for the X2 UW6 power port.
Pin Number X2 Wire Color* Signal
1 Green Host RS-485A
2 Blue Host RS-485B
3 White Backup Power Input
4 Black Ground
5 Yellow Secondary Power Input
6 Red Primary Power Input
*Wire colors refer to the leads of standard NexSens UW-6 Plug to Flying Lead Cables which
can be used to connect the X2 to user-supplied power sources.
Power Accessories
Available power accessories are listed on the X2 product page and include:
SP-Series Solar Power Packs
SP10: 10W solar panel, 6 A-Hr battery
SP15: 15W solar panel, 6 A-Hr battery
SP32: 32W solar panel, 17 A-Hr battery
X2 AC power Adapter
X2 Battery Backup
UW-6 Plug to Flying Lead Cables
Figure 1: NexSens UW-6 receptacle port pin numbering.
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