ADV200 WA • Functions description and parameters list
25
6 – RAMPS
The ramp (reference integrator) determines the acceleration and deceleration times of the drive. Times can be set
independently.
The ramp times of Fast stop command are set on
Acceleration time 3
and
Deceleration time 3
. The command can
be enabled from the terminal strip..
The ramp can be linear or S-shaped, as preferred.
The references can be set in different ways:
- with the Ramp ref 1 and / or Ramp ref 2 references
- with the Multi speed function
- with the Motor potentiometer function
- with the Jog function
The ramp generator can be used in the “stand alone” mode. When disabled (
Ramp type = Off
), the “Enable drive,
Start/Stop and Fast stop” commands do not affect the ramp generator. In this condition the ramp generator can be
used separately.
Menu
PAR
Description
UM
Type
FB BIT
Def
Min
Max
Acc
Mod
6.1
700 Acceleration time 0
s
FLOAT
10.00
0.01
1000.00
RW VS
6.2
702 Deceleration time 0
s
FLOAT
10.00
0.01
1000.00
RW VS
6.3
704 Acceleration time 1
s
FLOAT
10.00
0.01
1000.00
ERW VS
6.4
706 Deceleration time 1
s
FLOAT
10.00
0.01
1000.00
ERW VS
6.5
708 Acceleration time 2
s
FLOAT
10.00
0.01
1000.00
ERW VS
6.6
710 Deceleration time 2
s
FLOAT
10.00
0.01
1000.00
ERW VS
6.7
712 Acceleration time 3
s
FLOAT
10.00
0.01
1000.00
ERW VS
6.8
714 Deceleration time 3
s
FLOAT
10.00
0.01
1000.00
ERW VS
The acceleration and deceleration ramp times are used to avoid sudden changes in the drive output fre-
quency, which could cause mechanical shocks, excessive current on the motor and excessive DC-bus voltage
values. The acceleration times (
6.1, 6.3, 6.5, 6.7
) are expressed as the time necessary to bring the frequency
from zero to the maximum value set in the
Full scale speed (5.22)
. On the other hand, the deceleration times
(
6.2, 6.4, 6.6, 6.8
) are expressed as the time necessary to bring the frequency from the maximum value set
in the
Full scale speed (5.22)
parameter to zero. Each of the 4 available ramp selections can be selected us-
ing one or two digital inputs programmed as
Multi ramp sel
.
Содержание ADV200 WA
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Страница 274: ...274 ADV200 WA Block Diagrams G Block Diagrams System Diagrams Index Drive overview ...
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