DVC8-4 SINE

Digital SINE Controller Specifications

DISPLAY MONITOR:

• SWEEP: Frequency, direction, rate (Log or Lin), lower limit, upper limit, sweep count.
• COMPRESSOR: Rate, speed, dB of compression.
• ACCELERATION: 0 to 200 g-pk.
• VELOCITY: 0 to 200 in /sec
• DISPLACEMENT: 0 to 10 in. pk-pk.
• TIME: Time, date, test run time.
• UNITS: English or Metric.

Download PDF: DVC -4/8 Digital Swept-Sine Controller Operating Manual

TEST ARTICLE PROTECTION:

• ABORT LIMIT: Settable 1 to 99 dB abort, Settable system limits for D,V, and A. Low-level gain and open-loop checks.
• OVERALL LIMITS: Overall D,V,A limits settable by user.
• CONTROL SIGNAL LOSS: Open loop detector.
• MANUAL ABORT: From keyboard or mouse.

TEST DOCUMENTATION:

Any of the following plots can be stored on disk or printed out in color or black and white on any Windows compatible printer.

• CONTROL CHANNEL: Control profile.
• MONITOR CHANNEL: Response profile.
• CONTROL/MONITOR: Control profile and response profile.

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 (9.5° x 4.625°).
• SEXTERNAL CONNECTIONS: Via DB-25 connector to junction box.

FREQUENCY:

• RANGE: 2 to 6250 Hz, digitally synthesized.
• STABILITY: +/- 100ppm/°C, crystal-controlled.
• DISTORTION: <0.50% thd 0.25% typical.
• LIMITS: Sweeps between programmed upper and lower limits.

SWEEP MODES:

• CONTINUOUS: Up to 9999 cycles between set limits.
• HALF-CYCLE: Up or down for response plotting.
• MANUAL: With keyboard arrows.
• SWEEP: Logarithmic, linear, or Mil 167.

SWEEP RATES:

• 0.1 to 9.99 oct/min for log or 0.1 to 99.9 Hz/sec for linear.

SIGNAL INPUTS:

• INPUT CHANNELS: Two channels: one control & one monitor
• INPUT SENSITIVITY: Settable from 8 to 1000 mvg, 20 vp-pmax input.
• CURRENT SOURCES: 4 ma each input, 18 vdc compliance on each channel.

SIGNAL OUTPUT:

• SERVO OUT: 0-5 vrms for amplifier drive, short protected.

TEST PROFILES:

• Up to 32 frequency breakpoints or levels of D,V. or A may be specified for each test; profiles may be stored on disks.

SERVO COMPRESSOR:

• DYNAMIC RANGE: >70 dB.
• CONTROL ACCURACY: <+/- 0.5 dB nominally.
• COMPRESSION RATE: Slow- 0.1 dB/sec/Hz, Med – 0 3 dB/sec/Hz, Fast- 1.0 dB/sec/HZ.
• COMPRESSION SPEED LIMIT: Programmable from 200 to 1000 dB/sec.
• CONTROL LIMITS: From 0.2 to 200 g with 10 mv/g input.