MTS Series 793 User Manual
Page 259
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For Control Mode, select displacement.
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For Command Type, select Cyclic.
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For Target Setpoint, set 0 cm.
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For Amplitude (±), select a value appropriate for the test using the AIC compensation method.
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For Frequency, set 1 Hz.
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For Wave Shape, select Square.
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For Compensator, select AIC.
b) If necessary, remove the specimen.
c) Apply station hydraulic pressure.
d)
On the Station Manager window’s Station Controls panel, click
to start the square wave program.
e) Set up the Scope window to display the command and displacement feedback signals from the channel
using AIC.
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On the Station Manager window’s toolbar, click
.
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For Channel, select the channel whose command and displacement signals are to be monitored.
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For Signal, select the channel’s command and displacement signals.
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For Plot Mode, select Time.
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For Trace Time, enter 1.0 Sec.
f) Adjust PIDF tuning controls as required to produce a suitable feedback response.
g) Stop the scope to freeze the trace.
h) On the trace, mark the point on the feedback where command begins, and then mark another point
where feedback is about 70% of its maximum amplitude. The x-axis delta of these two points is
Anticipation.
MTS Series 793 Control Software 259
Station Setup