User Manual

Table Of Contents
Steps to Run a Test
MTS Series 793 Controller Overview Perform a Practice Test
91
E. Install a dummy specimen that has a compliance similar to the test
specimen.
From the Station Controls panel toolbar, click the Manual Command
icon .
Click to select the Enable Manual Command check box.
Select the Displacement control mode.
Adjust the Manual Command slider to position the actuator while
installing the specimen.
Switch to the Force control mode.
F. Adjust the P Gain and D Gain tuning controls.
Start the Function Generator by clicking the Program Run control
and observe the resulting waveform on the Scope.
From the Display menu, select Station Setup.
From the tree view, expand Channels, then select Channel 1.
Click the Tuning icon to display the tuning adjustment controls.
Increase the P Gain control until you see a little overshoot and a little
ringing on the Scope.
Slowly increase the D Gain control to reduce the overshoot and
ringing. Keep in mind that small adjustments of D can have large
effects on your system.
Repeat P Gain and D Gain adjustments until you achieve an optimum
waveform
Ringing
Overshoot