Test Library Specifications & Information

Sine Control
Random Control
Shock Control
Resonance Dwell Control
SMART Tool
Burst/Chirp Shock
SRS Shock
Sine on Random
Random on Random
Seismic Shock
TRAC (Time Replication Acceleration Control)
DATAcq (Long Wave Acquisition)
Export Data Utility
Word Report Generator
Remote Interface
TSDM (Test Setup Data Manager)
Transducer Calibration

Sine Control Specifications

Digital Tracking Filter for Each Channel
2-5,000 Hz (10 kHz Optional) Frequency Range
Log/Linear Sweep, Selectable Servo Speeds
Constant Accel, Vel, Displ, (or sloped) Segments
Sweep Time of 15 sec to 160 minutes
Control Types include Single, Average, Extremal
Channel Limiting with Individual Segments
Individual Channel Aborts Limits
C.O.L.A. One Volt Output with Adjustable Frequency Trim
Manual Hold/Sweep, Reverse, Set Frequency & Amplitude
Discrete Freq Test (100 Frequency, Amplitude, & Duration)
2000 Displayable Frequency Points
Amplitude, Phase, Ratio Spectra Displays
Continuous Update of Instantaneous Accel, Vel and Displ Control Values
Automatic Search / Listing of Resonances including Ratio, Phase and Q-Value
Reference Alarm and Abort Limit

Random Control Specifications

250, 500, 1250, 2500, 3000, 4000, 5000 Hz Bandwidths
250, 500, 1000, 2000 Lines (0.25 - 20 Hz Resolution)
100 Breakpoints (Freq/Ampl or Slope)
Import ASCII PSD for Reference
Control Types include Single, Average, Extremal
Channel Notch/Limiting with up to 32 Breakpoints for Each Channel
DOF Selectable 25 to 1000
Individual Channel RMS Abort Limits
Manual Adjustment of Level
Level Scheduling & Looping
Instantaneous Level Changes
Selectable Sigma Limiting (2.0 - 5.0, None)
Automatic Search, Listing and Labeling of Resonances
Fast Loop Time (100 msec at 10 Hz res)
Use Stored Drive for Quick Starting
Reference Alarm & Abort Limits
Stream Data to Disk option available

Shock Control Specifications

Halfsine, Sawtooth, Trapezoid Waveforms
Pulse Width 0.2 msec to 6 seconds
Sample Rate 1.024 to 51.2 kHz
Sample Points to 8192 (0.125 - 80 Hz Resolution)
Control Frequency 20 to 40% of Sampling Rate
Level Schedule Including Amplitude, Polarity, Delay, Open/Closed Loop, Num. of Pulses, and Looping
Impact Pulses (Haversine and Halfsine) Defined by Velocity Change & Pulse Duration, pre & post Coast Time (optional)
Import ASCII Reference Time Waveforms for Real-World Crash, Bump, Drop Testing, etc. (Extensive processing includes rescale, position, truncate, low & high pass filter, coast period)
Compensation Pulses Optimized for both Displacement and Velocity
Display of Acceleration, Velocity, Displacement Time Waveforms; FFT and Ratio Spectra
Sync Pulse Output (for external triggers)

Resonance Dwell Control Specifications

Locate, Lock-on and Track Resonance by Phase Lock
Amplitude and Phase Control Channel Independently Selectable
Amplitude Reference Selectable for Acceleration, Velocity, or Displacement
Phase Reference Selectable as Absolute or Difference Between two Channels
Phase Amplitude +180 to -180 Degrees
Duration Selectable for Time or Cycles
Upper/Lower Abort Limits for Freq & Amplitude
Dwell Log Table Periodically Updated During Test Including Frequency, Amplitude, Phase and Time
Manual Controls to Modify Amplitude and Phase

SMART Tool Specifications

Verify Shaker System Operation, Evaluate Test Specimen/Fixture Dynamics, Troubleshoot System Faults
Selectable Sinusoidal Drive Amplitude and Frequency
Increase/Decrease Frequency and/or Amplitude in Small Steps
Wide Frequency Range 2-5,000 Hz (10 kHz option)
Selectable Maximum Limits on Acceleration, Velocity, Displacement, and Voltage Output for Safe Operation
Amplitude, Phase, Ratio Spectra Displays
Acceleration, Velocity, or Displacement Amplitude
C.O.L.A. One Volt Output with Adjustable Frequency Trim

Burst/Chirp Shock Specifications

Short Duration of Fixed Frequency Sine Wave (100 msec to 6 seconds)
Selectable Amplitude
Selectable Num. of Cycles, Ramp Up and Down Cycles
Level Schedule includes Amplitude, Num. of Pulses
Short Duration Fast Sinusoidal Sweep (100 msec to 6 seconds)
Selectable Frequency Range
Selectable Sweep Rate
Shaped Envelope (32 Frequency/Amplitude Pairs)
Level Schedule Includes Amplitude, Num. of Pulses

SRS Shock Specifications

Up to 32 SRS Breakpoints
Automatic Iterative Generation of Wavelets, including Frequencies, Polarity, Number of Half-cycles, Delay, and Amplitude
Edit Mode Provides for Customization of Wavelet Parameters
Maximax, Positive or Negative Primary
Up to 100 Wavelets
1 Hz (min), 10 kHz (max) SRS Control
SRS Frequencies - Wavelet Frequencies or Octave Spacing 1/n (n = 1 to 24)
Damping of 0 to 25% (Q = 2 to 50)
Display Time Waveforms, FFT, SRS, Ratio Spectra
Slope Entry
Narrow SRS Pulse option available

Sine on Random Specifications

Includes General Features of Sine and Random Tests
Up to 12 Tones on Random (Harmonic or Non-harmonic)
Swept or Fixed Tones
Digital Tracking Filter for Each Tone
Shaped Reference for Each Sweeping Tone (Accel, Vel, Displ, and Sloped Segments)
Manual Operation to Increase/Decrease Level and Enable/Disable Selected Tone(s)
Random rms and Individual Tone(s), Amplitude(s) and Frequency(s) Continuously Updated
Separate Sine and Random Spectrum Display for Valid Test Verification
Selectable Combined Sine & Random PSD Display for Response Channels
Gunfire Selection of Tone on/off Period
NEW! Sine Tones Only Mode, turn off broadband random for tones only mode
Wide Frequency Range to 5,000 Hz
Level Scheduling

Random on Random Specifications

All Features of Random Tests
Up to 12 Narrow Sweeping Bands
Harmonic or Non-Harmonic Bands
NEW! Complex Shaped Narrow Bands now Available
Automatic Calculation of Harmonic Narrow Bandwidths and Swept Bandwidths
Flat or Shaped Base band
Minimum 1 Hz Narrow Bandwidth
Minimum 2 Hz Sweep Band
Sweep Times up to 99 Minutes
Level Scheduling

Seismic Shock Specifications

Conformance to Bellcore (GR-63) Earthquake Waveform
Import ASCII Reference Time Waveforms from VERTEQII Zones 1,2,3 and 4. (Extensive processing includes rescale, position, truncate, low & high pass filter
Edit Mode Provides for Customization of Time Waveform Parameters
Automatic Display in Setup Mode of Maximum Accel, Vel, and Displ.
Maximax, Positive or Negative Primary
Up to 48 Second Time Waveform
Resolution < 0.10 Hz.
Display of Acceleration, Velocity, Displacement Time Waveforms; FFT and SRS During Auto Test Run
Manual and Auto Level Schedule Including Amplitude, Polarity, Delay, Open/Closed Loop, # of Pulses, and Looping

TRAC Specifications

Time Domain Control (Replicate Time Signal)
Closed Loop Real Time Control
Long Duration Reference (20+ Minutes at 1.024KHz sampling)
Utilize DATAcq Saved Data or Other User Acquired Field Data (ASCII File) As Reference
Looping and Cycling of All or Part of Waveform for Thousands of Hours of Testing
Sequences of Multiple Unique Reference Waveforms
Manual Selection of Level and Time Segment(s)
Display Full Time Waveform & Zoom (1/8 - 4X Frame Time)
FFT Analysis of Zoomed Range

DATAcq Specifications

Acquire, Display and Save Long Time Waveforms (up to 20 Minutes)
Sampling Rates - 1.024 - 40.96 kHz
Trigger Capture Selectable (Channel, Amplitude, Delay)
Display Graphs of Full Time Waveform, Selected Channels, and Zoomed Range
Block Cursor Movement for Easy Selection of Zoomed Range

Export Data Utility

The export data utility provides a simple method to convert the saved graphical data into other convenient formats (.BMP bitmap, JPEG) for integration into word processing documents or other Windows applications. The data can also be exported into tabular format (ASCII, SMS Modal, UFF) for further processing and manipulation by other Windows applications and for simple tabular presentations. An Auto-Export feature is available to allow for automatic ASCII file generation upon completion of the test.

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Word Report Generator

The Word Report Generator makes post-test document generation a single mouse click away. Test report content is user configurable in a simple to use, configuration template. Selected test setup parameters, the test reference spectrum, status information, user defined text, and test graphical data can be included in the report, then edited, printed or sent via email as a word document.

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Remote Interface

The Remote Interface options for the Vwin II offer the user a variety of versatile and flexible selections for remote control of the vibration test. Whether interfacing a thermal chamber for combined vibration and thermal testing, or a functional test system, the remote options provide three levels of sophistication as basic as starting and stopping a test (Start and Stop with simple contact closures) to virtually full command and status functionality (RS232 or Net Connect). Also available is the Remote Pendant, a portable handheld RS232 device, which allows the Vwin II operator to send commands to the control system, including: Start Test (AUTO, MANUAL), Stop Test, Reverse Sweep Direction, and Increase/Decrease Level. Important status information is also available and is displayed on an LCD screen, easily accessible by the operator.

Remote Digital I/O Interface (Dedicated Signal Input/Output)
Start, Stop, Test ID Selection Input Commands
Contact Closure or TTL
Output Status - Test Finished, Test Aborted, Test Running
Opto-coupled Inputs and Outputs
RS232 Remote Interface (via external computer)
Serial Commands/Status
Start, Stop, Test Commands, Test Finished, Test Aborted, Test Running, Manual Mode Selection and Operation, Resume Mode, Amplitude, Frequency and Time Status.
RS232 (via Remote Pendant)
Portable, Hand-Held Device Ideal for Buzz, Squeak & Rattle Applications.
Commands - Start, Stop, Reverse Sweep, Increase/Decrease Level
Status - Test Finished, Test Aborted, Test Running.
Vwin II NetLink
Commands/Status Utilizing Ethernet Connection
Peer to Peer Communication
Remote Operation/Status via Internet Connection (modem required)

TSDM (Test Setup Data Manager)

For Setup and Data Manager menu functionality, the TSDM option offers a separate application that can be licensed to any number of independent, isolated PENTIUM stations or multiple clients on the network. This software provides the same user interface and functionality as the main Vwin II for test definition and review of saved data.

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Transducer Calibration

The transducer calibration software is used in conjunction with the TSC Signal Conditioner, 8B6 reference accelerometer, mounting bridge adaptor, and appropriate shaker system to perform transducer calibrations (accelerometers and velocity transducers). A sinusoidal signal is utilized for precise back-to-back calibration. Standard features include:

Fast, precisely controlled comparison calibration of accelerometers and velocity transducers, 2 Hz to 10,000 Hz.
Sine sweep or stepped frequency modes
Accelerometer sensitivity range: 0.1 to 5,000 pc/g or mv/g
Velocity transducer sensitivity range: 0.2 to 5,000 mv-sec/in
Graph display of UUT sensitivity, % deviation and phase angle vs. freq.
Tabular listing of sensitivity and deviation at operator-selected frequencies.
Automatic Calibration Certificate printout with NIST traceable data.

For new applications, UD offers two complete calibrator systems, Model 660C and 680C.

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