BONFIGLIOLI Agile User Manual

Parameter descriptions
779 Minimum flux-formation time
The time required for flux-formation changes depending on the rotor time constant of the motor. By
setting the parameters
Maximum flux-formation time 780 and Minimum flux-formation time 779, a
constant flux-formation time can be reached. With the parameter
Minimum flux-formation time 779,
the minimum time for current impression is set. In this way, the time between a start signal and the
start of the drive can be defined. For an appropriate setting of the parameters, the rotor time con-
stant, the required starting torque and the parameter
Current during flux-formation 781 must be
considered.
Parameters
Setting
No.
Description
Min.
Max.
Fact. sett.
779 Minimum flux-formation time 1 ms 10000 ms
10 ms
1)
50 ms
2)
1)
Configuration 30 = 410
2)
Configuration 30 = 610
Minimum flux-formation time 779 = 0
Flux-formation is stopped as soon
− as the reference flux value or the
− maximum flux-formation time were reached
Minimum flux-formation time 779 > 0
Current is impressed for flux-formation at least for this
time even if the reference flux value was reached.
Minimum flux-formation time 779
= Maximum flux-formation time 780
Flux-formation is stopped after the set flux-formation time,
regardless of whether the reference flux value was
reached or not.
Minimum flux-formation time 779
< Maximum flux-formation time 780
Flux-formation is stopped after the maximum flux-
formation time.
780 Maximum flux-formation time
781 Current during flux-formation
The field-orientated control is based on separate control of the flux-forming and the torque-forming
current component. Upon startup, the machine is magnetized and a current is impressed first. With
the parameter
Current during flux-formation 781 the magnetization current I
sd
is set, with the pa-
rameter
Maximum flux-formation time 780 the maximum time for the current impression is set.
The current impression is done until the reference value of the rated magnetizing current is reached
or the
Maximum flux-formation time 780 is exceeded.
Parameters
Setting
No.
Description
Min.
Max.
Fact. sett.
780 Maximum flux-formation time 1 ms 10000 ms
300 ms
1)
1000 ms
2)
50 ms
3)
781
Current during flux-formation
0.1⋅I
FIN
o
c
⋅I
FIN
I
FIN
I
FIN
: Nominal value of frequency inverter
o
c
: Overload capacity of frequency inverter.
1)
Configuration 30 = 110
2)
Configuration 30 = 410
3)
Configuration 30 = 610
126
Operating Instructions
Agile 06/2013 Operational Behavior

BONFIGLIOLI Agile Specifications

General

Brand	BONFIGLIOLI
Model	Agile
Category	DC Drives
Language	English