EZCT VERSION 5.x SOFTWARE MANUAL For Use with Vanguard’s EZCT and EZCT-10 Current Transformer Testers Vanguard Instruments Company, Inc. 1520 S. Hellman Ave.
EZCT VERSION 5.x SOFTWARE MANUAL REV 1 TABLE OF CONTENTS CONVENTIONS USED IN THIS DOCUMENT ..................................................................................... 1 1.0 INTRODUCTION .................................................................................................................... 2 1.1 System Requirements ...................................................................................................... 2 2.0 SOFTWARE INSTALLATION ........................................
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL CONVENTIONS USED IN THIS DOCUMENT This document uses the following conventions: • • • • • • • • • • Microsoft® Windows XP and Vista will be simply referred to as Windows in this manual The general term “CT Tester” used in this manual refers to any of the EZCT compatible Vanguard Current-Transformer Testers (EZCT and EZCT-10) Menu names are referred to as Menu Name Menu items are referred to as Menu Item Dialog boxes and their elements (buttons, options, etc.
EZCT VERSION 5.x SOFTWARE MANUAL 1.0 REV 1 INTRODUCTION The EZCT software is a Windows-based PC software application for use with Vanguard’s EZCT and EZCT-10 current-transformer tester. This software allows users to perform the following tasks: • • • • 1.1 Test a current-transformer directly from a PC. Create test plans for current-transformers. o The test plan can be created on the PC and then transferred to the CT Tester.
REV 1 2.0 EZCT VERSION 5.x SOFTWARE MANUAL SOFTWARE INSTALLATION Follow the steps below to install the EZCT software on your PC. 1. Insert the installation CD in the PC’s CD or DVD drive. 2. From the Windows Desktop, click on the “Start” button to bring up the Start Menu. 3. From the Start Menu, click on My Computer to open the My Computer window. 4. Double click (or single click in some Windows configurations) on your CD/DVD Drive icon to navigate the installation CD.
EZCT VERSION 5.x SOFTWARE MANUAL REV 1 6. Click on the “Next” button to continue. The following screen will be displayed showing the location on your hard drive where the software will be installed (C:\Vanguard\EZCT): 7. You may choose a different installation location by clicking on the “Change…” button and then browsing to the location on your hard drive where you would like to install the software.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL 8. Click on the “Install” button. The InstallShield Wizard will copy files to your hard drive. The following screen will be displayed once the software has been successfully installed: 9. Click on the “Finish” button to close the InstallShield Wizard and complete the installation process.
EZCT VERSION 5.x SOFTWARE MANUAL 3.0 REV 1 STARTING AND CONFIGURING THE EZCT SOFTWARE During the installation process, a Vanguard program group will be created under the All Programs submenu in the Windows Start menu. To launch the EZCT software: NOTE You can create a shortcut on your desktop to speed up the application launching process.
REV 1 3.1 EZCT VERSION 5.
EZCT VERSION 5.
REV 1 3.2 EZCT VERSION 5.x SOFTWARE MANUAL Enabling the CT Tester’s Computer Interface If a CT Tester is connected to the computer running the EZCT software, the CT Tester must first be placed in Computer Control Mode. Once in Computer Control Mode, the EZCT software can be used to transfer test records and test plans and also to run tests. To enable the Computer Control Mode: 1. Connect the CT Tester to the PC via either the RS-232C port or USB port and turn on the power. 2.
EZCT VERSION 5.x SOFTWARE MANUAL 3.3 REV 1 Application Setup Before using the program, the application setup parameters should be reviewed and changed as required. To change the setup parameters: 1. Make sure the EZCT software is running on the PC. 2. Click on the Application menu (Alternatively you can click on the File menu and select Application Setup...). The following window will be displayed: a.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL b. Communications If the EZCT is connected to the PC via the USB port, check the “Use USB port” checkbox. You can ignore the “COM Port:” drop down list. If the EZCT is connected to the PC via the RS-232C (serial) port, un-check the “Use USB port” and select the correct COM: port from the “COM Port:” drop-down list. c. Localization Select the correct frequency from the “Frequency:” drop-down list (60 Hz or 50 Hz).
EZCT VERSION 5.x SOFTWARE MANUAL 3.4 REV 1 Printer Setup To setup the printer: 1. Click on the File menu and select Print Setup… The following window will be displayed: 2. Select the printer you would like to use from the “Name” drop-down list. 3. Select the appropriate options for the printer. “Landscape” should be selected for the “Orientation” to make sure that the data table is not cut off on the printout.
REV 1 4.0 EZCT VERSION 5.x SOFTWARE MANUAL WORKING WITH TEST RECORDS The EZCT software can be used to retrieve test records from a CT Tester or from the PC hard drive. Once a test record is retrieved, you can change the record header information, print the test results, change the nameplate ratio values, change the knee point marker, change the frequency, add or modify test notes, and save the record to the hard drive. 4.
EZCT VERSION 5.x SOFTWARE MANUAL REV 1 4. The “File Prefix” input field allows you to enter a word that will be used as part of the filename for the stored record on the PC hard drive. When a test record is retrieved from a CT Tester and stored on the hard drive, the filename is in the following format: So if you would like the filename to be “sample-date-001.tst-ezct”, enter the word sample in the “File Prefix” input field. 5. Click on the “Download Test” button.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL To overwrite the existing file, click on the “Yes” button. If you do not want to overwrite the existing file with the retrieved test record, click on the “No” button. The following window will be displayed: Enter a new file name for the retrieved test record and then click on the “OK” button. The test record will be retrieved from the CT Tester and saved with the new file name at the selected location.
EZCT VERSION 5.x SOFTWARE MANUAL 4.2 REV 1 Recalling a Test Record From the PC Hard Drive Test records stored on the PC hard drive can be recalled using the steps below: 1. Click on the Recall-Test menu (or click on the File menu and select Recall Test). The following window will be displayed: • The “Shot Path:” section at the top of the window displays the name of the directory where the test records are being retrieved from.
REV 1 4.3 EZCT VERSION 5.x SOFTWARE MANUAL Saving a Test Record 4.3.1. Saving a Test Record With Its Original Filename 1. If changes have been made to the current test record and you would like to save it with its original filename, click on the Save menu and select Overwrite. Alternatively, you can select the Save Test option from the File menu. NOTE 2. The test record will be saved with its original filename. 4.3.2. Saving a Test Record With a Different Filename 1.
EZCT VERSION 5.x SOFTWARE MANUAL 4.4 REV 1 Opening the Test Records Folder To quickly access the default test record storage folder: 1. Click on the File-Utilities menu and then select File Manipulation (Alternatively you can click on the File menu, click on File Utilities, and then select File Manipulation). The default test record storage folder will be opened in Windows Explorer as shown below: 2. You can use standard Windows Explorer commands to copy, move, or delete the test record files.
REV 1 4.5 EZCT VERSION 5.x SOFTWARE MANUAL Exporting a Test Record in Microsoft® Excel® Format You can export one or more test records in Microsoft® Excel® format. To export a test record in Excel® format: 1. From the File-Utilities menu, click on Export Test to Excel (alternatively you can click on the File menu, click on File Utilities, and then select Export Test to Excel). The following window will be displayed: 2.
EZCT VERSION 5.x SOFTWARE MANUAL REV 1 3. Browse to the folder where you would like the Excel® file(s) to be saved and click on the “OK” button. Figure 1 shows a test record in the EZCT software compared with the exported data in Excel®.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL Figure 1.
EZCT VERSION 5.x SOFTWARE MANUAL 4.6 REV 1 Exporting a Test Record to a Text File Test records can also be exported to a plain text file. To export a test record to a text file: 1. From the File-Utilities menu, click on Export Test To Text File (alternatively you can click on the File menu, click on File Utilities, and then select Export Test to Text File). The following window will be displayed: 2.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL 3. Browse to the folder where you would like the text file(s) to be saved and click on the “OK” button. Figure 2 shows a test record in the EZCT software compared with the exported data in plain text format. Figure 2.
EZCT VERSION 5.x SOFTWARE MANUAL 4.7 REV 1 Working with Tabulated Test Results Once a test record has been retrieved (see sections 4.1 and 4.2 for instructions), the record details will be displayed as shown in Figure 3 below: Figure 3. Typical Test Record Page (Excitation Test) The menus on the menu bar will also change to provide additional options relevant to working with a test record.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL A test record usually consists of multiple pages. Press the [Page Down] or [Page Up] key to view the next or previous page, respectively. Figure 4 below shows the results of the second test performed: Figure 4.
EZCT VERSION 5.x SOFTWARE MANUAL REV 1 The last page of the test results contains a summary report. Figure 5 below shows a typical summary report. Figure 5. Typical EZCT/EZCT-10 Summary Report The summary report lists the taps in the order configured in the Application Setup window (see section 3.3). If you wish to change the tap order: 1. Close the test record. 2. Change the tap order in the Application Setup window (see section 3.3). 3. Re-open the test record and view the last page.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL 4.7.1. Editing a Test Record To edit a test record: 1. Double click anywhere on the displayed test record. The following window will be displayed: 2. You can edit the test record header information (such as Company, Station, Circuit, Manufacturer, etc.) by entering data in the corresponding fields at the top of the screen. 3. You can also change the knee point marker and the frequency. The nameplate ratios for each tap connection can be edited as well.
EZCT VERSION 5.x SOFTWARE MANUAL REV 1 5. You can change the tap order for the summary report display (last page of the test record) by clicking on a tap and then clicking on the up or down arrow to the right of the dialog box. The selected tap will be moved up or down on the list respectively. The summary report will then display the information for each tap in this order as shown below: 6. If you have a CT Tester connected to the PC, you can quickly repeat any of the tests listed.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL Once you have configured the parameters for the test, click on the “Repeat Tests” button at the bottom of the window. The selected tests will be performed and the test record will be updated with the new test results. 7. Click on the “OK” button after you have made any necessary changes. Also, make sure to save the test record in order to retain any changes (see section 4.3).
EZCT VERSION 5.x SOFTWARE MANUAL REV 1 4.7.2. Printing the Tabulated Test Results To print the tabulated test results: 1. Click on the Print menu (Alternatively you can click on the File menu and then select Print...). The print dialog box will appear. 2. Select the printer to print to and make any necessary changes to the printer’s parameters and then click on the “OK” button. The test results will be printed. Sample test record printouts are shown in Figure 6.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL Figure 6.
EZCT VERSION 5.x SOFTWARE MANUAL 5.0 REV 1 WORKING WITH TEST PLANS The EZCT software can be used to create current-transformer test plans. The test plans can then be used to quickly run tests from the PC. 5.1 Creating Test Plans To create a test plan: 1. Click on the Test-Plan menu and select Create Test Plan (alternatively, you can click on the File menu, click on Test Plan, and then select Create Test Plan). The following window will be displayed: 2.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL 4. For each tap connection you would like to test, click on the check box under each test type that you would like to perform. For example, to perform a ratio test on the X1-X5 tap connection, check the check box under the “Ratio Test” column in the X1-X5 row. a. Once a test has been selected for a tap connection, the “Nameplate Ratio” input fields will be activated. Enter the nameplate ratio values for the tap connection. b.
EZCT VERSION 5.x SOFTWARE MANUAL 5.2 REV 1 Modifying a Test Plan Stored on the PC Test plans stored on the PC hard drive can be recalled and modified using the steps below: 1. From the Test-Plan menu, click on Modify Test Plan (alternatively, you can click on the File menu, click on Test Plan, and then select Modify Test Plan). The following window will be displayed: Browse to the folder containing the test plan that you would like to modify. Click on the file name and then click on the “Open” button.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL 2. The test plan will be loaded and the test parameters will be displayed as shown below: Modify any of the test plan parameters as needed and then click on the “Save” button.
EZCT VERSION 5.x SOFTWARE MANUAL REV 1 3. The following window will be displayed: Browse to the folder where you would like to save the modified test plan. Enter a file name in the “File name:” field and click on the “Save” button. The modified test plan will be saved with the new file name. Selecting the same file name will override the test plan name.
REV 1 6.0 EZCT VERSION 5.x SOFTWARE MANUAL RUNNING TESTS The EZCT software can be used with a test plan to run a current-transformer test directly from the PC. To run a test using the EZCT software: 1. Connect the CT Tester to the PC via either the RS-232C port or the USB port. 2. Make the test connections per the CT Tester’s User’s Manual. 3. Click on the Run-Test menu (alternatively, you can click on the File menu and select Run Test).
EZCT VERSION 5.x SOFTWARE MANUAL REV 1 5. The following screen will be displayed showing the test parameters: Set the voltage range using the CT Tester’s “Voltage Control” knob to the voltage range displayed in the message area, and then click on the “Start Test” button to start the test. 6. The following screen will be displayed: Turn the CT Tester’s voltage control knob clock-wise until the CT saturates.
REV 1 EZCT VERSION 5.x SOFTWARE MANUAL Click on the “OK” button. 7. The following screen will be displayed: Lower the current by slowly turning the CT Tester’s voltage control knob counterclockwise until it can no longer be turned.
EZCT VERSION 5.x SOFTWARE MANUAL REV 1 8. The following screen will be displayed: Click on the “OK” button. 9. The test results will be displayed as shown below: You can save the test record to the computer hard drive using the instructions in section 4.3.
1520 S. Hellman Ave • Ontario, CA 91761 • USA Phone: 909-923-9390 • Fax: 909-923-9391 www.vanguard-instruments.com Copyright © 2009 by Vanguard Instruments Company, Inc. EZCT Version 1.
