Chapter: Function of controls
72 M10-17313-EN
If your test ends and the specimen has stored energy, e.g. the specimen did not break,
the specimen may slip out of the grips when the grip pressure reduces at the end of the
test.
If this could be an issue, it is recommended that you set the point of control for grips to
Footswitch and use a footswitch for your tests. When using a footswitch, pneumatic
grips remain at full pressure after the test ends until you release them using the
footswitch.
Do not operate the toggle switches when the testing system is in TESTING mode and
the grips are pressurized to full pressure.The system may detect an error and disable
the frame.
You must not operate the toggle switches when the grips are at full pressure. The grips
will open but when you use the toggle switch again to close the grips, the grips will close
at full pressure and the system may detect an error and disable the frame.
Grips not in use
There may be situations where you want to remove the grips from the load string,
placing them on a bench alongside the system perhaps while you perform different
types of tests. Be aware that if the point of control for grips is set to Toggle, the grips
could present a hazard.
If you remove the pneumatic grips from the load string but do not disconnect them
from the integrated air kit, you should disablethe grips in the Operator Protection
controls in the software.
If the point of control for grips in the software is set to Toggle, and you remove them
from the load string without disconnecting them from the integrated air kit, the grips will
close at initial pressure and cycle between full pressure and initial pressure as you
continue your testing.
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