Function 5: Acceleration time ramp 1
TAB1
This parameter sets the time to accelerate the motor from 0 to 50 Hz.
Use the following formula to determine the proper time for other frequencies:
Tx
=
50
∗
TACC
FEND
T
X
:
Time to set
T
ACC
:
Acceleration time
F
END
:
End frequency
Ramp selection is controlled by term. 25.
Range:
0.05...1000 sec.
Default: 2.5 sec.
Function 6: Deceleration time ramp 1
TAB1
This parameter sets the time to decelerate the motor from 50 to 0 Hz.
Use the following formula to determine the proper time for other frequencies:
Tx
=
50
∗
TDEC
FEND
T
X
:
Time to set
T
DEC
:
Deceleration time
F
END
:
End frequency
Ramp selection is controlled by term. 25.
Range:
0.05...1000 sec.
Default: 2.5 sec.
Function 7: Voltage/frequency ratio
TAB1
Sets the frequency (knee-point frequency) at which the maximum inverter output volt-
age is reached.
The maximum inverter output voltage depends on the mains voltage and on TAB2,
function MOD.
An incorrect setting of this parameter may lead to the damage
of the motor.
Range: 30...650 Hz
(30...1300 Hz
*
)
Default: 50 Hz
*
Vers.D2A-1300-xxx
Function 8: BOOST
TAB1
This parameter defines the amount of boost added at low speed to increase the initial
motor torque. The boost-characteristic is set with the parameter in TAB2, func. FFB.
Values are in percent (%) of the line input voltage.
Care must by exercised with this adjustment as too much
boost may cause excessive heating.
Range: 0...40%
Default: 5%
5 2.5s
active ramp
term. 25
ramp 1
ramp 2
OFF
ON
6 2.5s
active ramp
term. 25
ramp 1
ramp 2
OFF
ON
7 50.0Hz
8 5%
BERGES electronic
29.05.98
Operating manual ACM-D2
31
Содержание ACM-D2 0.37kW
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