MTS Series 793 - Manual (Page 77)

How to Manually Tune the Control Loop
MTS Series 793 Tuning and Calibration Tuning Procedures 77
1. Select the following settings in the tuning function generator.
Standalone FlexTest SE Controllers: Tuning > Manual > FG
Automated Controllers: Click on Station Manager
2. Set up the Scope.
Note You can use an oscilloscope instead of the software scope if you want.
To do that you must define a Readout channel to connect the
oscilloscope.
Standalone FlexTest SE Controllers:
Select Scope and set up scope parameters to display the force feedback
signal.
Note If your FlexTest SE Controller is not equipped with the optional Scope,
use an external oscilloscope.
Automated Controllers:
A. On the Display menu select Scope.
B. Select the Force Abs. Error signal for display.
C. Set the Trace Time to 2 seconds.
D. Ensure Auto-Scale is on (the default position is ON).
Note To improve your view of the waveform, click the Rescale button to
maximize the waveform on the display.
C ONTROL S ETTING
Wave Shape Ramp
Frequency 1 Hz
Target Setpoint 0 N
Amplitude 10% of full scale