DI-2108 Hardware Manual
Introduction
1
1. Introduction
This manual contains information designed to familiarize you with the features and functions of the DI-2108 USB
data acquisition system.
Features
The DI-2108 data acquisition instrument is a portable data recording module that communicates through your com-
puter's USB port. Power is derived from the interface port so no external power is required. Features include:
• 8 fixed differential analog inputs protected to ±100V (transient).
• 7 digital ports protected to +25V: Two dedicated for WINDAQ remote control operations; One dedicated to
W
INDAQ rate measurements; and One dedicated to WINDAQ counter measurements.
• ±10V full scale measurement range.
• Up to 220 kHz maximum throughput sampling rate with all eleven channels enabled (analog, digital, frequency,
counter.).
• A push-button to tag remote events in WINDAQ software.
• LED indication for easy notification of system status.
• Free WinDaq/Lite data acquisition recording software. Records up to four channels of data. Purchase an unlock
code to record more than four channels.
• Stand-alone option allows the user to configure a recording session through their PC then record data in the field
to removable flash memory via the USB drive port (without being connected to their PC). Stand-alone data log
-
ging requires Unlock code to record more than 1 channel to removable flash memory.
• Low-pass filter per analog channel with automatic corner frequency selection.
• Dedicated counter channel.
• Dedicated frequency channel.
Analog Inputs
The DI-2108 features eight differential channel inputs located on a single sixteen-position screw terminal block for
easy connection and operation. Note: The DI-2108 does not support Gain.
Utilize the functionality of W
INDAQ software to experience all the features encased in these small, inexpensive
instruments. Unlock code required to record all eight channels.
Digital I/O
The DI-2108 contains seven digital ports, which may be used as a general-purpose digital inputs or for a specific
function as designated on the device. Digital port D0 is reserved for WinDaq Events; Digital port D1 is reserved for
WinDaq remote Start/Stop; Digital port D2 is reserved for rate measurements; Digital port D3 is reserved for counts;
Digital port D6 is reserved for external triggers. Please Note: Digital outputs are not supported in WinDaq software.
Each port may be configured as a switch using third-party software.
Software
All software required to record and playback waveforms is included with the purchase of any DI-2108 data acquisi-
tion system via download.
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