Lenze EVS9326-EK User Manual

Function block library
7-210

SHB9300CRV EN 2.0
Code Subcode Output FB SPC2
C1657
1 SPC2-STAT1
C
1
6
5
7
2 SPC2-STAT2
3 SPC2-STAT3
4 SPC2-STAT4
l The dead time influences the switch points and the hysteresis.
Positive dead time
IN x -1 IN x -2
SP2-L-IN
S
P2-STATx
HIGH
LO W
T dead
T
dead
Travel direction
IN x -1 IN x -2
SP2-L-IN
S
P2-STATx
HIGH
LO W
T Tot
T
Tot
Travel direction
(positive dead tim e)
(positive dead tim e)
Fig. 7-172 Function of the positive dead time for d ifferent t ravel directions
l
With a positive dead time, the drive reacts earlier by the time set.
Negative dead time
IN x -1 IN x -2
SP2-L-IN
SP2-STATx
HIGH
LO W
T
dead
T
dead
Travel direction
(negative dead tim e)
Fig. 7-173 Function of the negative dead time
l
With a negative dead time, the drive reacts later by the time set.
7.6.68.4 Filter time constant
This function is only available for FB SPC2.
Purpose
Avoids undefined switching of the output signals at SPC2-STAT1 ... SPC2-STAT4 when the motor is
running at low speed.
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Lenze EVS9326-EK Specifications

General

Brand	Lenze
Model	EVS9326-EK
Category	DC Drives
Language	English