NexSens Technology X2 Manuel utilisateur

X2 Environmental Data

Logger

User Guide

Last Revision: 17 March 2023

Date Generated: 17 March 2023

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.

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.

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.

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.

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.

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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