Danfoss VLT 5000 Operating Instructions Manual page 29

No. Parameter
732 User unit numerator
USER UNIT NOM.
733 User unit
denominator
USER UNIT DEN.
734 Block reversal
BLOCK
DIRECTION
28
Positioning Controller
Default Range
value
1,000 1 ... 100,000
1,000 1 ... 100,000
0 0 = no blocking
1 = block reverse
2 = block forward
Description
2 = Like "0" but without reversing before
leaving the reference switch. Rather
the movement is slowly continued in
the same direction out of the switch.
3 = Like "1" but without reversing before
leaving the reference switch. Rather
the movement is slowly continued in
the same direction out of the switch.
P732 and P733 together define the ratio
between User Units (UU) and quad-counts
(QC).
Let's illustrate this parameter with the follo-
wing example: By measurement it has
been determined that 1000 mm. of travel
correspond to 16345 QC (quad-counts).
Now instead of defining the target positions
in QC but rather in mm, the setting of P732
must be 16345, and the setting of P733
must be 1000.
NB! The target positions stored in memory
is defined according to the settings of
P732/P733, so changing the P732/P733
ratio might require that up to 32 positions
must be reprogrammed to achieve the
same result as before the change.
P732 and P733 together define the ratio
between User Units (UU) and quad-counts
(QC).
The setting of this parameter is illustrated
in the description of P732.
NB! The target positions stored in memory
is defined according to the settings of
P732/P733, so changing the P732/P733
ratio might require that up to 32 positions
must be reprogrammed to achieve the
same result as before the change.
By selecting "1" it is defined as an error
situation ("Reverse operation prohibited" –
P798 = 12) if the drive is moving in reverse
direction.
By selecting "2" it is defined as an error
situation ("Forward operation prohibited" –
P798 = 13) if the drive is moving in forward
direction.
Selecting "0" disables the function.
MG.50.P3.02 - VLT is a registered Danfoss trademark