32 • vacon shaft synchronization application
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6
7. DESCRIPTION OF PARAMETERS
On the following pages you will find the parameter descriptions arranged according to the individual
ID number of the parameter. A shaded parameter ID number (e.g.
418 Motor potentiometer UP
)
indicates that the
TTF programming method
shall be applied to this parameter (see chapter 5 on
page 10).
Some parameter names are followed by a number code indicating the "All in One" applications in
which the parameter is included. If no code is shown the parameter is available in all applications.
See below. The parameter numbers under which the parameter appears in different applications
are also given.
102 Maximum frequency
(2.1.1)
Defines the frequency limits of the frequency converter.
The maximum value for these parameters is 320 Hz.
The software will automatically check the values of parameters ID105, ID106, ID315 and
ID728.
103 Acceleration time 1
(2.1.2)
104 Deceleration time 1
(2.1.3)
These limits correspond to the time required for the output frequency to
accelerate from the zero frequency to the set maximum frequency (par. ID102).
See also parameter ID1764.
105 Preset speed 1
(2.1.14)
106 Preset speed 2
(2.1.15)
Parameter values are automatically limited between the minimum and maximum
frequencies (par. ID101, ID102).
Note the use of TTF-programming method in the Multi-purpose Control Application. See
parameters ID419, ID420 and ID421.
Speed
Multi-step speed
sel. 1 (DIN4)
Multi-step speed
sel. 2 (DIN5)
Basic speed 0 0
ID105 1 0
ID106 0 1
Table 26. Preset speed
107 Current limit
(2.1.4
)
This parameter determines the maximum motor current from the frequency converter.
The parameter value range differs from size to size.
108 U/f ration selection
(2.5.3)
Linear:
0
The voltage of the motor changes linearly with the frequency in the constant
flux area from 0 Hz to the field weakening point where the nominal voltage is
supplied to the motor. Linear U/f ration should be used in constant torque
applications. This default setting should be used if there is no special
need for another setting.
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