Signal Inputs: Four identical channels, 20 Vp-p maximum input, settable from 5-1000 mV/g. Any can be either control or monitor.
Sweep Modes: Continuous up to 9999 cycles, half-cycle, or manual control. In Logarithmic, Linear, or Mil 167.
Current Sources: Four, 4 MA each input, 18-vdc compliance, software selectable.
Sweep Rates: 0.1 to 9.99 Oct/min logarithmic or 0.1 to 99.9 Hz/sec for linear sweeps.
Frequency Range: 2 to 10,000 Hz digitally synthesized.
Signal Output: Servo Out: 0-5 Vrms for amplifier drive, short protected.
Stability: +/- 100-ppm/C crystal controlled.
Test Profiles: Up to 32 frequency breakpoints or levels of D, V, or A may be specified for each test, or stored on disk for reuse.
Distortion: <0.5% THD, 0.25% typical.
Dwell Points: Two dwell frequencies and dwell times may be specified.
Limits: Sweeps between programmed upper and lower limits.
Remote Control: Run, Hold, Servo On, Abort, 5 volt logic activated by switch closure to ground.
Servo Compressor
:Display Monitor
: Dynamic Range: > 70 dB.
Sweep: Frequency, direction, rate (logarithmic or linear), lower & upper Limit, sweep count.
Control Accuracy: <0.5 dB nominally.
Compressor: Rate, speed, and dB of compression.
Compression Rate: Slow/Medium/Fast = 0.1/0.3/1.0 dB/Sec/Hz.
Acceleration: From 0 to 200 g-peak or M/sec^2.
Control Limits: From 0.2 to 200 g with 10-mV/g input.
Velocity: From 0 to 200 in/sec (IPS) or CM/sec.
Displacement: From 0 to 9999 Mils or MM p-p.
Time: Time, date, and test run time.
Test Article Protection
Abort Limits: User settable abort limits 1 to 99 dB with soft shutdown.
Test Documentation
: Any of the following plots can be stored on disk or printed out in color or monochrome on any Windows compatible printer. Overall Limits: Overall system D, V, and A limits are settable by user.
Control Profile: The control profile that was entered in.
Control Signal Loss: Open loop and low gain detector.
Abort Limits: Upper and lower abort limit lines.
Manual Abort: From keyboard, mouse or optional remote panel.
Ch#1 Control/Monitor Channel: Response spectrum of channel #1.
Ch#2 Control/Monitor Channel: Response spectrum of channel #2.
Ch#3 Control/Monitor Channel: Response spectrum of channel #3.
Ch#4 Control/Monitor Channel: Response spectrum of channel #4.