
© 1998–2003 Schneider Electric All Rights Reserved
Chapter 2—Menus VVDED397047USR6/03
2—Adjust Menu 06/2003
32
Stability - % StA
Frequency loop stability. 0 to 100 20
This parameter allows adjustment of speed overshoot of
the drive controller to sudden changes in the motor load.
Increasing the stability setting dampens the overshoot. This
parameter should be adjusted with the gain setting to tune
the drive controller response to meet the desired
performance on applications that have fast cycle times or
high torque requirements.
ThermCurrent
-A
ItH
Current setting used for the
motor thermal protection. Adjust
ItH to the nominal current which
appears on the motor
nameplate. This provides Class
20 motor overload protection.
0.25 to 1.36
of I
n
[1]
Varies
according
to drive
controller
size.
DC Inj. Time- s tdC
DC injection braking time. If
tdC = Cont, DC injection is
continuous.
0 to 30 s
Cont
0.5 s
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
MOTOR OVERHEATING
• This drive controller does not provide direct thermal protection for the motor.
• Use of a thermal sensor in the motor may be required for protection at all speeds or
loading conditions.
• Consult the motor manufacturer for the thermal capability of the motor when
operated over the desired speed range.
Failure to follow these instructions can result in injury or equipment damage.
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