Festo Контроллер позиционирования CPX-CMAX - Manual (Page 70)

3. Drive functions
3−8
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
E. g., it might be necessary to adjust the amplification
factor if the drive takes too long to reach the setpoint
value. Information on the control factors can be found in
section B.7.3.
Additional information about force and standstill control can
be found in section B.8.
Monitoring functions for force control
1
Speed limit v
lim
2
Stroke limit s
lim
3
Target force F
4
Example of limit
violation during
stroke monitoring
5
Example of limit violĆ
ation during speed
monitoring
1
2
3
t
t
t
v
lim
F
s
lim
v
feed
4 5
Fig. 3/2: Monitoring function for force control
Stroke monitoring The stroke is limited for force control with stroke monitoring,
e.g. when the workpiece being approached is not present.
Speed monitoring Speed monitoring limits the speed during force control. This
can prevent the drive from hitting a stop at excessive speed.