A.2.7 standstill monitoring, A.2.7, Standstill monitoring – Festo Контроллер двигателя SFC-ST User Manual
Page 105: A−21
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A. Technical appendix
A−21
Festo P.BE−SFC−DC−PB−S7−E N en 0604NH
A.2.7
Standstill monitoring
With the standstill monitoring it is clear that the target
position window is exited at a standstill.
When the target position is reached and the MC signal is
registered the drive enters the Standstill" status, the bit
Standstill_Control is reset. If, in this status, the drive is
removed from the standstill position window for a minimum
defined time due to external forces or other influences, the bit
Standstill_Control will be set.
As soon as the drive is in the standstill position window again
for the standstill monitoring time, the bit Standstill_Control
will be reset.
1
Target position
2
Actual position
3
Standstill monitoring
(Standstill_Control)
4
Motion Complete
(MC)
5
Standstill position
window
6
Target position
window
7
Monitoring time
(position window
time)
8
Standstill monitoring
time
1
0
1
0
1
2
3
4
5 6
7
8
8
Fig. A/7:
Standstill monitoring
The standstill monitoring cannot be switched on or off exĆ
plicitly. It becomes inactive when the standstill position winĆ
dow is set to the value 0".