WPI EVOM3, Instruction Manual

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38 World Precision Instruments
4. Enter the filename for the Output File (ENTER for WPI_EVOM3.csv). Type in a
filename and add the .csv extension or enter to accept the default.
5. Enter the time between readings in seconds. (Press Ente r for minimum delay.)
Enter a time of 0, 1, 2 or 5 seconds. (0 is fastest at about 0.3 seconds.) The
program will run and update until ^X (control X) is typed. The readings are
continuous at 12.5 Hz, always on. The time entered is the averaged reading taken
at that time interval.
6. The default file name is WPI_EVOM3.csv. This file may be opened in Microsoft
®
Excel.
For Windows users that can not use a USB keydrive, or only have one
USB port, or for Linux OS or Mac OS users
1. For Windows, Linux or Mac users that already have Python 3.8.0 or higher
installed, skip to step 2. If you do not have Python installed, download and install
Python for your operating system from www.python.org . Be sure to download
the version appropriate for your operating system. The minimum supported
Python version is Python 3.8.0
2. Make sure all the Python libraries are available as keyboard, serial and glob. From
a command line window, run these commands (all lower case) :
pip install glob
pip install serial
pip install keyboard
3. Download the file EVOM3 digital output archive for your operating system from
https://www.wpiinc.com/support/software-download/. This archive has all the
Python program files to use the external data output.
4. Extract the files to a WPI directory or a directory of your choice.
5. Connect the
EVOM3 to the USB port of the PC. The active remote connection
port for the EVOM3 service port is in the back of the unit as a USB-B connector [
marked in red].
Fig. 51—Plug the USB-B (red) connector into the port on the back of the EVOM3.
6. Open Python or a command window on your system.