Function library, Function blocks – Lenze EVS9332xK User Manual
Page 316

Function library
Function blocks
3.2.89
Position switch points (SPC)
3−288
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EDSVS9332K−EXT EN 4.0
3.2.89.3
Dead time
This function is only available for FB SPC2.
Purpose
Delayed activation of downstream components (e.g. injection nozzles).
Function
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The dead time is selected under C1657.
– This setting is only possible for SPC2−STAT1 ... SPC2−STAT4.
Assignment of codes and outputs:
Code
Subcode
Output FB SPC2
C1657
1
SPC2−STAT1
2
SPC2−stat2
3
SPC2−stat3
4
SPC2−stat4
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The dead time has an effect on the switching points and the hysteresis.
Positive dead time
SP2-STATx
HIGH
LOW
SP2-STATx
HIGH
LOW
INx-1
INx-2
SP2-L-IN
INx-1
INx-2
SP2-L-IN
Travel direction
Travel direction
(positive dead time)
(positive dead time)
Tdead
Tdead
Tdead
Tdead
9300kur094
Fig. 3−236
Function of the positive dead time for different travel directions
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With a positive dead time, the switching of the output is advanced by the time set.