Schneider Electric ALTIVAR 58 TRX Guía de instalación Pagina 31

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© 1998–2003 Schneider Electric All Rights Reserved
VVDED397047USR6/03 Chapter 2—Menus
06/2003 2—Adjust Menu
31
Inv. Phases ACb
Electronic output phase
inversion
No-Yes No
Allows for changing the phase rotation of the voltage at the
output of the drive controller, from A-B-C to A-C-B, to
change the direction of motor rotation. If this parameter is
changed while the motor is running, the motor decelerates
on the programmed ramp and then accelerates to the
speed reference set point in the opposite rotation direction
following the programmed ramp.
Acceleration -s
Deceleration -s
ACC
dEC
Acceleration and deceleration
ramp times. Defined as the time
between 0 Hz and FRS.
0.05 to 999.9
0.05 to 999.9
3 s
3 s
Low Speed - Hz LSP Low speed 0 to HSP 0 Hz
High Speed - Hz HSP
High speed. Ensure that this
adjustment is suitable for the
motor and the application.
LSP to tFr
50/60 Hz
depending
on switch
setting
Gain - % FLG
Frequency loop gain. 0 to 100 20
This parameter allows adjustment of the response time of
the drive controller to sudden changes in the motor load.
Decreasing the gain parameter slows the response time of
the drive controller. Increasing the gain parameter makes
the drive controller respond more quickly. This parameter
should be increased in applications where the undesirable
changes in motor speed occur due to changes in motor
load. Applications that have fast cycle times or high torque
requirements may require an increase in gain.
Table 6: 2—Fixed Set of Adjustment Parameters (continued)
Parameter Code Description
Adjustment
Range
Factory
Setting
[1]
I
n
= drive controller constant torque output current rating shown on the drive controller
nameplate.
Menu
2
CAUTION
UNEXPECTED DIRECTION OF MOTOR ROTATION
If parameter ACb is set to YES, upon returning to Factory Settings the parameter
ACb returns to No (motor rotation will not be in the desired direction).
Before changing parameter ACb, ensure that reversing the motor rotation direction
is acceptable for the application.
Failure to follow these instructions can result in injury or equipment damage.
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