Digital Random Vibration Controller Specifications
TEST DOCUMENTATION:
Any of the following plots can be stored on a disk or printed out in color or black and white on any Windows compatible printer.
- CONTROL CHANNEL: Control spectrum.
- MONITOR CHANNEL: Response spectrum.
- CONTROL/MONITOR: Control spectrum and response spectrum.
- DRIVE OUTPUT: Output spectrum of card
- CHANNEL #1 WAVEFORM: Oscilloscope-type display of channel #1 analog waveform.
- CHANNEL #2 WAVEFORM: Oscilloscope-type display of channel #2 analog waveform.
Download PDF: DVC-4/8 Digital Random Vibration Controller Operation Manual
SYSTEM REQUIREMENTS:
- COMPUTER: 486DX33 or better with vga display, 8 mb ram, hard disk and Windows 3.1 minimum. Pentium with 16mb ram and Windows 95 recommended.
- POWER REQUIREMENTS: Powered by computer buss, <10W total.
- SIZE: Standard AT 3/4 size PC card (11″x 4.5″).
- EXTERNAL CONNECTIONS: Via DB-25 connector to junction box.
SIGNAL INPUTS:
- INPUT CHANNELS: Two channels: one control & one monitor.
- INPUT SENSITIVITY: Settable from 8 to 1000 mv/g, both channels 20 vp-p max input.
- CURRENT SOURCES: Switchable 4 ma each input 18 vdc compliance on each channel
OUTPUT CHARACTERISTICS:
- OUTPUT SIGNAL: Continuous Gaussian random drive.
- DRIVE LEVEL: 16 v peak-to-peak or 3vrms maximum.
- PEAK LIMITING: User selectable from 1 to 4.
- DYNAMIC RANGE: <60 dB.
CONTROL CHARACTERISTICS:
- FREQUENCY RANGE: 1.25-250 Hz, 2.5-500 Hz, 5-1000 Hz, and 10-2000 Hz.
- SPECTRAL RESOLUTION: 400 lines.
- CONTROL PROFILES Up to 32 breakpoints: profiles may be saved and recalled from disk.
- CONTROL ACCURACY: +/- 1 dB typical.
- LOOP TIME: < 3 seconds for analysis and correction.
- EQUALIZATION TIME: < 10 sec, for full correction or 10 dB change.
- ANALYSIS WINDOWING: Off/On Hanning, Hamming or Blackman selectable.
- UNITS: English or Metric.
TEST ARTICLE PROTECTION:
- ABORT UNIT: User selectable from 3dB to 99dB.
- OVERALL LIMITS: Overall D,V,A limits settable by user.
- CONTROL SIGNAL LOSS: Open loop detector.
- PRETEST LIMITS: Settable by user.
- EQUALIZATTON: Low level equalization of system.
- MANUAL ABORT: From keyboard or mouse.