
VECTORDRIVE DSV 5445
Top technology in drive electronics
07.07.04 10:12
Dietz-electronic
page 24 of 60
5.4 Number of rotary position transducer points
The inverter can be adapted to suit the number of points on the rotary position transducer. If parameter
F24 = 1, only the number of strokes incorporated on the machine software will be used. If F24 = 2, the incre-
mental number factor entered in parameter F23 is used. The following dimensions are significant here:
F23
(IZ_FKT) increment number factor
F24
Changeover of transducer transmission
F22
V_FKT
F10
V_Teil
IZ
Increment number, number of increments per motor revolution (standard: 65536)
IZ_AKT effective number of increments
z
Number of points on rotary position transducer, corresponding to number of sinusoidal periods
per revolution
a
n-times evaluation of a sinusoidal period. The interval between two points, a sinusoidal signal, is
divided into "a" sections. This multiplied by the number of points on the rotary position trans-
ducer gives the number of increments per motor revolution (standard setting: a = 64).
n
transducer
: Transducer speed
n
motor
:
Motor speed
The value for transducer transmission can now be calculated by the following formula:
IZ AKT
z a
n
n
transducer
motor
_
= × ×
IZ FKT
IZ AKT
IZ
_
_
=
×
256
If IZ is not the same as IZ_AKT, parameters F10, F22 and F21 change accordingly.
Effect on standardization of analog setpoint (parameter F9):
ANA FKT
F
F
V
U
Speed
Speed unit
ana
_
log
=
×
×
×
22
8
10
10
Effect on route factor F21:
F
STR FKT
IZ AKT
b
21
=
=
_
_
STR_FKT
Route factor (parameter F21)
b
Number of path units per motor revolution (standard value: b = 1)
The route factor F21 affects parameters F8 and F26 as well as the "C", "D" and "H" commands.