NexSens Technology X2-SDL Manuel utilisateur

X2-SDL Submersible Data Logger

User Guide

Last Revision: 23 February 2023

Date Generated: 28 February 2023

Table of Contents
1. General
X2-SDL Body Tag Identification
What depth of submersion is the X2-SDL rated for?
2. System Power
What type of batteries does the X2-SDL take?
Apply Power to the X2-SDL
Basic Requirements
Input Channels
Connector Wiring
Install Batteries in the X2-SDL Data Logger
UW-6 Universal Pinout
Buzzer Indicator
Performing a Measurement System Power Budget
Instructions for Use
Advanced Custom User Entry
Disclaimer
Additional Resources
3. Establish Communication
X2 Data Flow
Wi-Fi
Cellular
Iridium
Radio to Cellular
Radio to PC
Wi-Fi
Configure Network Settings
Cellular
Set up a 4G Cellular Account for an X2 Data Logger
Install a SIM Card
Set an APN on an X2 Data Logger Using CONNECT
Iridium
Setup Gmail Account to Allow WQData LIVE Access (Iridium)
Setup Iridium (SBD) Data Account
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
X2 Sensor Detection
When Sensor Detections Occur
Important Considerations
Setup in WQData LIVE
Creating a WQData LIVE Project
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
5. Troubleshooting and Maintenance
Sensor(s) Not Found During X2 Auto-Detection
At what voltage should batteries be replaced?
Cycle Power
X2-SDL O-ring Maintenance
X2-SDL Storage Requirements
6. Warranty
7. Service Request
Service Request
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1. General

X2-SDL Body Tag Identification

Each X2-SDL and SDL-V2 data logger has a body tag number etched into the long housing tube contained

between the antenna and sensor bulkheads.

This 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.

X2-SDL body tag is listed on the long enclosure tube opposite the NexSens logo.

X2-SDL body tag marking 1715.

X2-SDL default device name.

Note all SDLs will have a ‘3’

entered in front of the Body

Tag display value.

What depth of submersion is the X2-SDL rated for?

The X2-SDL is rated for submersion up to 200ft (~60m).

Note that the SDL-CAP accessory is required to fully submerge cellular or radio models containing an external

antenna. The antenna port of Wi-Fi only models is epoxied closed and may be completely submerged using the

standard battery lid.

2. System Power

What type of batteries does the X2-SDL take?

The X2-SDL requires (16) D-Cell Duracell1 Alkaline batteries.

1D-cell batteries from other manufacturers may have sub-flush negative terminals which can result in poor

contact and may affect the consistency of power supplied to the X2-SDL logger.

Apply Power to the X2-SDL

The X2-SDL has flexible power input choices that provide several options in terms of type and number of power

sources.

Basic 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: 500mA @ 12V for 1 second

Input Channels

The X2-SDL is equipped with two separate power input channels. The X2-SDL 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

Backup

This multi-input design allows users to connect redundant power sources in order to mitigate the likelihood of

system power loss.

Typical Application

Frequently, X2-SDL systems are run off of (16) internal D-Cell Alkaline batteries. The following article describes

the process for installing these batteries properly before deployment.

Install Batteries In an X2-SDL Data Logger

X2-SDL Data Logger

Connector Wiring

Power may be applied to the X2-SDL via the UW-6 receptacle port by a UW-USB-485P for connection to a PC,

or from a customized solar power kit. Most applications; however, rely on the internal D-Cell Alkaline batteries

during deployment.

X2-SDL UW6 Power Port Pinout

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 — —

6 Red Primary Power Input

UW-6 Pin Numbering

Install Batteries in the X2-SDL Data Logger

The battery compartment of the X2-SDL data logger accommodates (16) D-Cell Alkaline batteries for system

power. These batteries should be replaced once the reported secondary power falls to 8V to avoid data

collection interruption.

1. Locate the white battery lid at the top of the X2-SDL.

2. Rotate the lid counter-clockwise to remove it.

a. Note: Due to the double O-ring lid seal this will take significant effort to loosen.

b. The 3/16″ ball-point hex driver included in the X2-SDL maintenance kit can be inserted into either of the

two recesses in the lid to provide extra leverage.

Remove the white battery lid.

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