MTS Systems Landmark 370 Series Operation page 111

The actuator may have retracted below the lower displacement limit during specimen
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installation.
The actuator may have retracted when the specimen broke at the conclusion of the test.
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Your test limits may have been insufficient for the test.
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Rather than cover all possibilities, this section addresses the first case only. Adapt this procedure as
necessary to recover from other situations.
1. Check current displacement limits.
A. In the Station Manager application main window, select Display > Station Setup >
Displacement > Channel Input Signals.
B. Select the Limits tab.
C. Check the current upper and lower limit settings to identify the acceptable
displacement range for the actuator. Adjust the limits if necessary.
2. Set Manual Command to Displacement.
A. In the Station Manager application main window, click the Manual Control button.
B. Ensure that Exclusive Control is checked.
C. In the Manual Controls window, select a Control Mode of Displacement.
D. Ensure that Enable Manual Command is checked.
Landmark™ Test System Operation
Running the Example HCF Test
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