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Related Manuals for Vanguard Instruments Company ACCU-TRANS II Series
Summary of Contents for Vanguard Instruments Company ACCU-TRANS II Series
- Page 1 OPERATING INSTRUCTIONS for the ACCU-TRANS™ TRANSFORMER-WINDING RESISTANCE METER Series II Part Number VIC-8000-S2 Vanguard Instruments Company 1710 Grevillea Court Ontario, California 91761 TEL: (909) 923-9390 July 2001 FAX: (909) 923-9391 Rev 0...
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Page 3: Safety Summary
Accu-Trans™ ™ ™ ™ Operating Procedures SAFETY SUMMARY The following safety precautions must be can produce a high-voltage spike capable of observed during all phases of test set-up, test causing severe injury or death. Accordingly, hookups, testing, and test-lead disconnects. its important for personnel safety that test leads be securely attached to the transformer terminals to prevent their being accidentally... -
Page 5: Table Of Contents
Accu-Trans™ ™ ™ ™ Operating Procedures Table of Contents SAFETY SUMMARY......................... I 1.0 INTRODUCTION ........................3 1.1 APPLICABILITY....................... 3 1.2 SUPERSEDURE NOTICE....................3 1.3 GENERAL DESCRIPTION....................3 1.4 FUNCTIONAL DESCRIPTION ..................3 1.5 FURNISHED ACCESSORIES ..................3 2.0 ACCU-TRANS SPECIFICATIONS ..................4 3.0 CONTROLS and INDICATORS ................... - Page 6 Accu-Trans™ ™ ™ ™ Operating Procedures Table of Figure Figure 1.0 Accu-Trans Controls and Indicators ................5 Figure 2.0 90 to 130Vac Jumper Setting..................7 Figure 3.0 210 to 240Vac Jumper Setting..................7 Figure 4.0 Summary of Step-by-Step Accu-Trans Operation ............9 Figure 5.0 Typical Test Report Printout..................
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Page 7: Introduction
General Description the current and being calculated by the Vanguard Instruments Company produces microprocessor. Resistance reading is then the Accu-Trans, a microprocessor-controlled displayed on a back-lighted 4 line by 20 winding resistance meter that measures low character LCD. -
Page 8: Accu-Trans Specifications
Accu-Trans™ ™ ™ ™ Operating Procedures 2.0 ACCU-TRANS SPECIFICATIONS Table 1. ACCU-TRANS SPECIFICATIONS TYPE Special-purpose test equipment, portable, micro-ohmmeter SIZE (inches) 16.8 wide by 12.6 high by 10.6 deep WEIGHT Less than 21 pounds RESISTANCE 1 micro-ohm to 200 ohms TEST CURRENT 2 amperes max DISPLAY... -
Page 9: Controls And Indicators
Accu-Trans™ ™ ™ ™ Operating Procedures control-panel. The purpose of the controls 3.0 CONTROLS AND INDICATORS (See Figure 1 and refer to Table 1.) and indicators may seem obvious, but users Accu-Trans controls and indicators are should become familiar with them before shown in Figure 1.0. - Page 10 Accu-Trans™ ™ ™ ™ Operating Procedures Table 1.0 Functional Descriptions of Accu-Trans Controls and Indicators Fig. 1 Index Panel Markings Functional Descriptions Computer interface port; 9-pin connector; female DB type.The data are set to 19,200 RS-232C baud, 1 start bit, 2 stop bits, 8 data bits, and no parity bit.
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Page 11: Pretest Setup
Accu-Trans™ ™ ™ ™ Operating Procedures 4.0 PRETEST SETUP by the placement of jumpers on the power Operating Voltages The Accu-Trans operating voltages are terminal block as listed in Table 2.0 below selectable between 90-130Vac, 50/60Hz or and Figures 2.0 and 3.0 200-240, 50/60Hz. -
Page 12: Accu-Trans Lcd Contrast Control
Accu-Trans™ ™ ™ ™ Operating Procedures Accu-Trans LCD Contrast Control Figure 1.0 to become familiar with the total To darken the LCD display, press and hold Accu-Trans operation and the logical branching for various test options. (More the “Paper ∧ Contrast” switch for two experienced operators may use this figure as seconds;... -
Page 13: Figure 4.0 Summary Of Step-By-Step Accu-Trans Operation
Accu-Trans™ ™ ™ ™ Operating Procedures Figure 4.0 Summary of Step-by-Step Accu-Trans Operation... -
Page 14: Step-By-Step Procedures At Start-Up Menu
Accu-Trans™ ™ ™ ™ Operating Procedures Step-by-Step Procedures at Start- This display doesn’t prompt any action; but Up Menu simply reminds the user that a test is in progress. The time for this display depends 6.2.1 START-UP Menu: on size of the winding’s inductance and the Observe that the Start-Up menu displays as test mode selected. -
Page 15: Setup Menu
Accu-Trans™ ™ ™ ™ Operating Procedures h) When either option is selected, the next window displays with the prompt “KEEP m) At the “RUN ANOTHER TEST?” THIS READING? Go to the next step. Menu, the operator may choose to run another test, by selecting “YES”. -
Page 16: Transformer Id Entries
Accu-Trans™ ™ ™ ™ Operating Procedures Figure 5.0 Typical Test Report Printout 6.3.1 Transformer ID Entries: as the key continues to be pressed. The The operator can enter test data using the characters selected are entered at the following procedures. position of the cursor. -
Page 17: Review Test Records Procedure
Accu-Trans™ ™ ™ ™ Operating Procedures ENTER key and go to the next step. The go to the next step. The SERIAL NUMBER STATION screen will then be displayed. screen displays. STATION: SERIAL NUMBER: b) Enter characters for naming the station where the transformer to be tested is located. -
Page 18: Restore Recording Procedures
Accu-Trans™ ™ ™ ™ Operating Procedures press the down (∨) key to roll down, through NOTE the saved test records. To review a test record stored in Flash EEPROM, the user must first restore test The next menu displays the number of test. record from Flash EEPROM to working in the record, time and date of the test. -
Page 19: Printing Test-Record Directory
Accu-Trans™ ™ ™ ™ Operating Procedures RECORD RESTORED! 1. ENTER XFMR ID 2. REVIEW RECORD 3. RESTORE RECORD 4. NEXT PAGE a) To begin the Restore Recording steps, The above display confirms to the operator press key # 3 (RESTORE RECORDING), that the selected record has been restored. - Page 20 Accu-Trans™ ™ ™ ™ Operating Procedures a) Press key # 3 to select the Restore Recording step sequence, and go to the next c) Press key # 1 to print the entire directory step. The following menu displays: of test records; Press key # 2 to print the short directory.
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Page 21: Erase Recording Procedure
Accu-Trans™ ™ ™ ™ Operating Procedures Figure 6.0 Typical Record Directory Printout 6.3.5. Erase Recording Procedure The Erase Recording sequence begins with the Set-Up Menu, shown below. Go to the ERASE RECORD next step. 1. ERASE SINGLE REC. 2. ERASE ALL RECORDS 1. -
Page 22: Enabling Computer Interface
Accu-Trans™ ™ ™ ™ Operating Procedures d) Enter the number of the record that is to 6.3.6 Enabling Computer Interface be erased and press ENTER key. Go to the The Computer Interface Mode allows the next step. The confirmation display appears user to retrieve test records stored in the as shown below: Acccu-Trans memory via the RS-232C port... -
Page 23: Enable Passive Test Mode
Accu-Trans™ ™ ™ ™ Operating Procedures a) Begin the date and time set by pressing a) This procedure begins in the Set-Up key # 4 (NEXT PAGE) and going to the Menu, shown below. Go to the next step: next step. The menu below appears. Go to the next step. - Page 24 Accu-Trans™ ™ ™ ™ Operating Procedures switch generates large reactive voltage *****WARNING!***** spikes that are hazardous and exceed DANGEROUS FLASH-OVER the switch’s voltage ratings, thus MAY OCCUR IF CABLES causing irreparable damage. ARE DISCONNECTED! By connecting the Accu-Trans continuity test input across the switching input and running the regulator switch through all the e) Press ENTER key for next display (see...
- Page 25 Accu-Trans™ ™ ™ ™ Operating Procedures If a switch break is detected, an advisory displays (shown below). Press STOP to end the voltage-regulator test. TRANSIENT DETECTED!
- Page 26 Accu-Trans™ ™ ™ ™ Operating Procedures APPENDIX A ACCU-TRANS™ ™ ™ ™ Troubleshooting Guide Item Symptom Possible Problem Solution Reading is incorrect. 1. Poor connection at the 1.Check connection to make sure Clips. sensing and current teeth are 2. Broken sensing lead. touching the device under test (DUT).
- Page 28 1710 Grevillea Court, Ontario, CA 91761, USA Phone: 909-923-9390 Fax: 909-923-9391 Website: http//www.vanguard-instruments.com ACCU-TRANS™ 09/09/01: OAK...