Parameter listing and descriptions
169
ACH550-01 User's Manual
9904
MOTOR CTRL MODE
1=VECTOR:SPEED,
3=SCALAR:FREQ
Selects the motor control mode.
1 =
VECTOR
:
SPEED
– sensorless vector control mode
• Reference 1 is speed reference in rpm.
• Reference 2 is speed reference in % (100% is absolute maximum
speed, equal to the value of parameter 2002
MAXIMUM
SPEED
, or
2001
MINIMUM
SPEED
if the absolute value of the minimum speed is
greater than the maximum speed).
3 =
SCALAR
:
FREQ
– scalar control mode
• Reference 1 is frequency reference in Hz.
• Reference 2 is frequency reference in % (100% is absolute
maximum frequency, equal to the value of parameter 2008
MAXIMUM
FREQ
, or 2007
MINIMUM
FREQ
if the absolute value of the minimum
speed is greater than the maximum speed).
9905
MOTOR NOM VOLT
200…600 V
Defines the nominal motor voltage.
• Must equal the value on the motor rating plate.
• Sets the maximum drive output voltage supplied to the motor.
• The ACH550 cannot supply the motor with a voltage greater than the
mains voltage.
9906
MOTOR NOM CURR
type dependent
Defines the nominal motor current.
• Must equal the value on the motor rating plate.
• Range allowed: (0.2…2.0) ·
I
N
(where
I
N
is drive current).
9907
MOTOR NOM FREQ
10.0…500 Hz
Defines the nominal motor frequency.
• Range: 10…500 Hz (typically 50 or 60 Hz)
• Sets the frequency at which output voltage equals the
MOTOR
NOM
VOLT
.
• Field weakening point = Nom freq · Supply Volt / Mot Nom Volt
9908
MOTOR NOM SPEED
50…30000 rpm
Defines the nominal motor speed.
• Must equal the value on the motor rating plate.
Code Description
Range
Output voltage
Output
P 9907
frequency
P 9905
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