Vanguard ATO-600 User Manual

OPERATING INSTRUCTIONSfor theATO-400 and ATO-60010-400/600 AmperesDigital Micro-Ohm MetersVanguard Instruments Company, Inc.1710 Grevillea CourtOntari

ATO-400 / ATO-600 Operating Procedures102.2 ATO-600 SpecificationsATO-600 specifications and leading particulars are listed in Table 2.0Table 2.0 ATO

ATO-400 / ATO-600 Operating Procedures113.0 CONTROL AND DISPLAY3.1 ATO-400 Front PanelThe ATO-400 controls and displays are shown in the control-pane

ATO-400 / ATO-600 Operating Procedures12Table 3.0 Functional Description of ATO-400 Controls and DisplayFigure 1Index #Adjacent Panel Marking Functio

ATO-400 / ATO-600 Operating Procedures133.2 ATO-600 Front PanelThe ATO-600 controls and displays are shown in the control-panel illustration, Figure 5

ATO-400 / ATO-600 Operating Procedures14Table 4.0 Functional Description of ATO-600 Controls and DisplayFigure 1Index #Adjacent Panel Marking Functio

ATO-400 / ATO-600 Operating Procedures154.0 ATO IMPORTANT FEATURES4.1 Operating VoltagesThe ATO operates with voltages between 90-240Vac, 50/60Hz.4.2

ATO-400 / ATO-600 Operating Procedures165.0 ATO CABLE CONNECTIONThe ATO is supplied with 15-foot (#1/0 AWG) current-carrying cables and 15-foot volta

ATO-400 / ATO-600 Operating Procedures176.0 OPERATING PROCEDURESReview Figure 10 before proceeding with the step-by-step procedures that follow.6.1

ATO-400 / ATO-600 Operating Procedures18Figure 9 SETUP MenuThe SETUP MENU lists 4 user options:Item 1 (ENTER RECORD ID) is used to input identificati

ATO-400 / ATO-600 Operating Procedures19Figure 10 Step-by Step Procedures for for ATO Operations

ATO-400 / ATO-600 Operating Procedures2SAFETY SUMMARYNOTICEThis manual applies to Models ATO-400, and ATO-600. The operating procedures arevirtually t

ATO-400 / ATO-600 Operating Procedures20

ATO-400 / ATO-600 Operating Procedures216.3 Run Normal Test ProcedureThe following procedure describes the steps to measure an unknown resistance.NOTE

ATO-400 / ATO-600 Operating Procedures22Table 5.0 Run Test Procedure (Measure an Unknown Resistance Continued)STEP ACTION ATO DISPLAY5-4Select burn-i

ATO-400 / ATO-600 Operating Procedures23Table 5.0 Run Test Procedure (Measure an Unknown Resistance Continued)STEP ACTION ATO DISPLAY5-10 “RUN ANOTHE

ATO-400 / ATO-600 Operating Procedures24Table 5.0 Run Test Procedure (Measure an Unknown Resistance Continued)ITEM ACTION ATO DISPLAY5-17If key #1 is

ATO-400 / ATO-600 Operating Procedures256.4 Run Automatic Test ProcedureAutomatic Test Mode allows the user to initiate a test by applying the sense c

ATO-400 / ATO-600 Operating Procedures26Table 6.0 Run Test Procedure (Measure an Unknown Resistance Continued)STEP ACTION ATO DISPLAY6-5Press the STA

ATO-400 / ATO-600 Operating Procedures27Table 6.0 Run Test Procedure (Measure an Unknown Resistance Continued)STEP ACTION ATO DISPLAY6-11Pressing key

ATO-400 / ATO-600 Operating Procedures286.5 Enter Record ID ProcedureThis procedure allows the user to enter the equipment identification data to the

ATO-400 / ATO-600 Operating Procedures29Table 7.0 Enter Record ID Procedure (continued)STEP ACTION ATO DISPLAY7-7Enter the test item’s MODEL using th

ATO-400 / ATO-600 Operating Procedures3Table of Contents1.0 INTRODUCTION ...

ATO-400 / ATO-600 Operating Procedures306.6 Review Record ProcedureThis procedure describes the steps for reviewing a test record residing in the ATO’

ATO-400 / ATO-600 Operating Procedures316.7 Restore Record ProcedureThis procedure describes the steps to recall a test record stored in the ATO Flash

ATO-400 / ATO-600 Operating Procedures32Table 9.0 Restore record Procedure (continued)STEP ACTION ATO DISPLAY9-8The “RECORD RESTORED!” message isdisp

ATO-400 / ATO-600 Operating Procedures336.8 Erase Test Record ProcedureThis procedure describes the steps to delete a single test record or all the te

ATO-400 / ATO-600 Operating Procedures346.9 Computer ControlA PC program is provided with each ATO allowing the user to down load the test records sto

ATO-400 / ATO-600 Operating Procedures356.10 Set ATO Clock ProcedureThis procedure allows the user to set the ATO real time clock.Table 11.0 Set ATO

ATO-400 / ATO-600 Operating Procedures366.11 Calibration Test ProcedureThis procedure describes the steps to verify the ATO mesurement accuracy and ge

ATO-400 / ATO-600 Operating Procedures37Table 12.0 Calibration Test Procedure (Continued)STEP ACTION ATO DISPLAY12-9Connect the 100 micro-ohm shunt t

ATO-400 / ATO-600 Operating Procedures38Table 12.0 Calibration Test Procedure (Continued)STEP ACTION ATO DISPLAY12-17The ATO will measure the 500 ?-o

ATO-400 / ATO-600 Operating Procedures39Table 12.0 Calibration Test Procedure (Continued)STEP ACTION ATO DISPLAY12-25The ATO will measure the 1900 ?-

ATO-400 / ATO-600 Operating Procedures4List of FiguresFigure 1 ATO Current Cable...

ATO-400 / ATO-600 Operating Procedures406.12 Diagnostic Check ProcedureThis procedure describes the steps to perform the diagnostic check on the ATO.T

ATO-400 / ATO-600 Operating Procedures41Table 13.0 Calibration Check Procedure (Continued)STEP ACTION ATO DISPLAY13-8Automatic, no operator action req

ATO-400 / ATO-600 Operating Procedures42APPENDIX A Troubleshooting GuideItem Symptom Possible Problem Solution1 Reading is incorrect. 1. Poor connecti

ATO-400 / ATO-600 Operating Procedures431710 Grevillea Court. Ontario, CA 91761, USAPhone 909-923-9390 Fax 909-923-9391Web site: http//www.vanguard-i

ATO-400 / ATO-600 Operating Procedures5List of TablesTable 1.0 ATO-400 Specifications...

ATO-400 / ATO-600 Operating Procedures61.0 INTRODUCTION1.1 ApplicabilityThis manual applies to the Model ATO-400™ and Model ATO-600™ (hereafter, ATO)

ATO-400 / ATO-600 Operating Procedures71.5 Optional Accessories1. Heavy-duty welding-type C-clamps (Figure 3) are available as optional accessories.

ATO-400 / ATO-600 Operating Procedures8Figure 2 ATO Sensing cableFigure 3 C-Clamp Cable

ATO-400 / ATO-600 Operating Procedures92.0 ATO SPECIFICATIONS2.1 ATO-400 SpecificationsATO-400 specifications and leading particulars are listed in T