DigiVac 200 Series Manual de instrucciones - Página 8
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The data is presented as ascii text for the numbers (with decimal points as required),
followed by a carriage return and line feed.
This data may be observed using Windows Terminal, Hyperterm, or any similar terminal
program.
Data may be saved using Terminal's "Transfers / Receive Text File" feature.
The saved data files may be read with Microsoft Excel or any text editor.
Microsoft Excel, or any spreadsheet program can also plot the data.
Digivac also offers a monitoring program that shows the data on the screen and opens and
names a log file in response to a single click by the user.
A companion program, Digiplot plots the data. Wide range data is plotted logarithmically.
The current file is selected automatically, or older files may be opened.
The Rs232 connection is made on the terminal strip of units such as the Model 200P and
the terminals are identified as Gnd and Tx.
Other units have 9 pin dsubminiature connectors, and the data appears on pin 2, and the
ground is on pin 5.
9.0
DIGIVAC AND DIGIPLOT
For more convenient logging and
plotting, the Digivac Company
offers Digivac and DigiPlot
software.
Custom Visual Basic applications
are also available.
• The Digivac program gives a
visual presentation of the data
which is coming out of the
vacuum gauge.
• Update rate is approximately one time per second.
and enables the user to scroll through values.
10.0
REAR PANEL CONNECTIONS
The Model 200P has a terminal strip and all of its connections are marked. The following is
an explanation of these markings.
-
Negative connection from 5 volt power supply.
+
This is + 5 volts output from the power supply.
Rec
Recorder (Linear) output on units so equipped.
• When "Log Start" is pressed a logging file with a
backup is opened. The rate of data logging (eg,
once per minute) can be set by the user.
• Digiplot, the companion plotting program, opens
the current logging file with a single mouse click.
• Logarithmic axes clearly show vacuum from
atmosphere to 10 ^ - 3 or 10 ^ - 9 (ultra wide
range version).
• One more click prints out the plots in color.
• A window at the bottom of the plot screen show the
data file
Model 200P Terminal Strip
name
8