MTS Systems FlexTest SE Service Information

Auto tuning
Model 493.02 Controller Service
Tuning
219
Tuning a CLC Control Mode
CLC control modes are used for specimen installation and removal.
Channel limited channels require two feedback signals. The first one is
used as the master feedback (it is normally displacement) and the
second one is used as the limiting feedback (it is normally force).
When you command the actuator over a channel limited channel, the
controller will not allow the actuator to exceed limits specified on
either the master or limiting channels.
Refer to “Tuning” in Chapter 3, Menus Descriptions of the FlexTest SE
Users Manual for more information about CLC tuning controls and
guidelines.
The CLC control mode uses one of three error signals. The Limiting P Gain
adjustment acts as a conversion factor to scale the limit feedback to similar
units as the active P feedback.
10.0
Upper
Limit
Lower
Limit
Force
Feedback
Proportional Gain
10.0
Manual
Command
Displacement
Feedback
Servovalve
Command
Upper Limit
Error
Lower Limit
Error
−
+
−
+
−
+
Displacement
Error
Active P Gain
Limit P Gain
If force feedback ≥ upper limit
And displacement error is positive
Then use upper limit error
If force feedback ≤ lower limit
And displacement error is negative
Then use lower limit error
Otherwise use displacement error

MTS Systems FlexTest SE Specifications

General

Brand	MTS Systems
Model	FlexTest SE
Category	Controller
Language	English