MODEL 9DP-1 Operator’s Manual
Ludlum Measurements, Inc. 19 December 2015
5.1.1 Dimension File System
Dimension files that define the instrument operation and functionality
consist of two types: the operating system and the instrument configuration
file. It is important to note that uploading any new files does not negate your
current calibration.
The operating system file is universal to all Dimension products of the same
model type and is always named as firmware.hex. This file is similar in nature
to Windows® or Linux® for PCs in that it provides the background,
environment enabling real-time operation of the instrument hardware and
resources. Uploading operating system file updates does not fundamentally
impact your current instrument/system except in cases where:
a) a software bug was fixed that applies to your instrument
b) a new feature is added and deliberately implemented.
Instrument configuration files only apply to a single Ludlum instrument
model within the Dimension family. These files determine the features and
functions that are available for a given instrument model.
The Dimension webpage will have specific configuration files for each
instrument model as they become available. These file names can be
customized to fit the particular model number or perhaps a specific name
reflecting an instrument configuration of the instrument owner’s choosing.
The file format will always have a .cfg extension. For example, the Model
9DP-1 file name might be “M9DP-1.cfg.” When the instrument attempts to
load a new configuration file from the thumb drive, it will load the first file
so be sure that only the new configuration file exists on the thumb drive.
5.2 Data Logging
This use of the USB port enables capturing logged data and having it stored
onto a USB thumb drive inserted into the instrument’s USB port. The file is
a CSV (comma separated value) type and is named output.log. The CSV file
type is universal and can easily be read into your favorite PC spreadsheet or
database program for performing, reporting, and data analysis functions.
5.3 USB Keyboard Connection
Users can connect a standard USB keyboard directly into the instrument
USB port to edit parameters under password control. When the instrument is
turned on, it will sense the keyboard. Press the keyboard’s F1 key to display a
menu on the Model 9DP-1 LCD screen.
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