ABB ACH550-UH-011A-6 User Manual page 174

ACH550-01 User's Manual
Code Description
9904 MOTOR CTRL MODE
Selects the motor control mode.
1 = :
VECTOR SPEED
• 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
2001
MINIMUM SPEED
greater than the maximum speed).
3 = :
SCALAR FREQ
• 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
, or 2007
FREQ
speed is greater than the maximum speed).
9905 MOTOR NOM VOLT
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
Defines the nominal motor current.
• Must equal the value on the motor rating plate.
• Range allowed: (0.2...2.0) · I
9907 MOTOR NOM FREQ
Defines the nominal motor frequency.
• Range: 10...500 Hz (typically 50 or 60 Hz)
• Sets the frequency at which output voltage equals the
.
VOLT
• Field weakening point = Nom freq · Supply Volt / Mot Nom Volt
9908 MOTOR NOM SPEED
Defines the nominal motor speed.
• Must equal the value on the motor rating plate.
Parameter listing and descriptions
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– sensorless vector control mode
if the absolute value of the minimum speed is
– scalar control mode
if the absolute value of the minimum
MINIMUM FREQ
Output voltage
P 9905
P 9907
(where I
N
Range
1=VECTOR:SPEED,
3=SCALAR:FREQ
MAXIMUM SPEED
200...600 V
Output
frequency
type dependent
is drive current).
N
10.0...500 Hz
MOTOR NOM
50...30000 rpm
, or
MAXIMUM
169