Canon WITE32 manual Chapter Fixed Bugs, V2002 Spinstand

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WITE32 Release Notes Version 3.11

CHAPTER 3

FIXED BUGS

The following bugs were discovered in WITE32 version 3.10 or earlier, and

fixed in WITE32

version 3.11. The description below explains the bug behavior as it appears in WITE32 version

3.10.

3.1V2002 Spinstand

1.The XY Alignment test may fail with the "Servo amplifier is not calibrated - signal is too low" error message.

2.The XY Alignment and the Head Alignment tests fail in the case of low frequency heads (the heads with data rates below 160 Mbit/s).

3.The XY Alignment test resets the loading radius to the default value in the Product Configuration dialog box.

4.The Y-limit Screw Adjustment test fails (shows unreachable destination position) if non-zero Head Base Parameters are specified in the Product Configuration dialog box.

5.The Product Parameters specified in V2002.DDT in Inches are different from parameters shown in Edit Product Parameters dialog by 0.002%. As a result the parameters loaded into spinstand are different from parameters specified in DDT file by 0.002%.

6.Impossible to use the Special Disk Type setting in the Product Parameters dialog box of the V2002 Spinstand Alignment Program, because the Minimum Radius and Maximum Radius values are not stored in the product database.

7.After performing the Y-limit Adjustment there is no software validation of Y-stage positioning and the Y-limit screw can be hit. In the new version of WITE32, the software always checks if the destination position is reachable before the Y-stage starts moving such that the Y-stage does not hit the screw and the warning message is shown when the specified destination position is out of range.

8.The value of the Reset Radius in the Product Parameters dialog box is different after performing XY Alignment with zero and non-zero head geometry parameters specified in the Product Parameters dialog box.

9.The V2002 Balancing procedure for the Custom 6 Screws and Custom 3 Screws choices from the Type dropdown list of the Balancing Parameters frame instructs to adjust screws for counter-clockwise balancing screw numeration instead of clockwise balancing screw numeration.

10.Cartridge, which is incorrectly installed on V2002 spinstand could hit the media or spindle. The sequence of starting the device is modified such that the spinstand checks that the required level of vacuum is provided to the cartridge before the X and Y motors start moving the V2002 head loader to the loading location. If the vacuum does not reach the required level due to improperly installed cartridge, the spinstand will not move and will provide an error message.

11.The V2002 Balancing while executed for rotation speeds higher then 10000 RPM consists of 4 stages in the case of high imbalance:

Screw Calibration for reduced RPM,

Balancing for reduced RPM,

Screw Calibration for full RPM,

Balancing for full RPM.

In WITE32 version 3.10 the Screw Calibration for full RPM shows the wrong instruction to "Switch to Balancing Tab to perform Balancing procedure" instead of instruction to continue with screw calibration.

Guzik Technical Enterprises

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Contents WITE32 Table of Contents Comb Loader for Guzik V2002 Spinstands Ping Pong Cartridge Design for Guzik 1701A+ SpinstandsChapter NEW Hardware Supported WITE32 Support of Servo Revision 3 for RWA-2000 SeriesMicro Actuator Support for Guzik V2002 Spinstands Hardware CompatibilityMicro Actuator Tests Head Amplifiers Head StacksSupport of Head Amplifier Multiplexer New System Erase and System Band Erase Configuration Chapter WITE32 ModificationsInterleave Band Erase Using System Erase In WITE32 Tests Tests Without Erase ConfigurationTests With Erase Configuration Original erase operation parameters Tests With Band Erase Configuration SNR Test Erase Configuration in WITE32 versionNew button opens erase configuration dialog box Tests With Erase Preconditioning New Servo Control Dialog Box 2 V2002 Product Parameters Dialog Box ModificationsDialog Box Layout and Tab Pages Changes of the Disk Type Control Head Geometry Parameters Micro Actuator Parameters New Installation Procedure For Guzik PCI Boards XY Alignment TestWrite With Retries Operation Measurement Options Dialog Box in WITE32 versionError / Warning Report Modification TAA Calibration Through Programmable DifferentiatorHead Selection in the WITE32 Engineering Dashboard Test End checkWrite Pattern Operation Configuration MiscellaneousParameter Caption In WITE32 version V2002 Spinstand Chapter Fixed BugsOther Spinstands and Servo Analog Front EndTests and Measurements Miscellaneous Chapter Support of Microsoft Windows XP Operating System Operating system Supported WITE32 versionChapter Known Issues

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