MTS Multipurpose Elite - Manual (Page 403)

Description Item
Select Absolute to set a defined value for a variable
limit. If you set an absolute value at 10 kN, the limit
is triggered at 10 kN. Comparison Mode
Select Relative to set the limit relative to the value
of the variable when the activity starts. If you set a
relative value of 10 kN, the limit is triggered at 10 kN
above the value when the activity starts—if the value
is 5 kN when the activity starts, the limit triggers at
15 kN.
Lower Limit/Upper
Limit
Specify the action to take if the lower limit conditions
are met. The available actions are
controller-dependent. Action
Specify the value (or variable) to trigger a limit event.
For a lower limit, if the monitored values fall below
this value, a limit event occurs. Value
For an upper limit, if the monitored values exceeds
this value, a limit event occurs.
Peak-Valley Change Detector
Peak-Valley Change Detector Activity Overview
Peak-Valley Change Detector Activity Icon
The Peak-Valley Change Detector activity monitors signals for peak and valley changes. In its default
state, this activity begins by detecting the amplitudes of the first peak and valley to use as reference levels
to establish the tolerance band.
When the activity detects a peak or valley outside of the tolerance band, the activity generates a trigger
signal (its done signal) and ends. The trigger and done signals from the Peak-Valley Change Detector
activity are used to trigger other activities.
You can override automatic detection of reference levels and specify new levels. The activity uses the
specified reference levels for the duration of the test.
MTS TestSuite | 403
Test Activities