Magnavox W-10CR Instalační příručka Strana 275

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Servo Drive 259
KAFF Servo Parameter
ACTION:
Sets or returns the acceleration feed forward gain for a servo axis
.
PROGRAM SYNTAX:
KAFF(axis)=expression
KAFF=expression1,..., expression8
KAFF(axis,…,axis)=expression,...,expression
KAFF(axis) - used in an expression
REMARKS:
The axis specifies the number of the axis (1-8).
The expression is the acceleration feed forward gain of the servo axis.
The expression value must be positive.
The KAFF units are in volts/encoder count/msec
2
.
EXAMPLES:
KAFF(2)=.5
Sets the acceleration feed forward gain of axis 2 to .5 volts/encoder
count/msec
2
.
KAFF=.2,,0
Sets the acceleration feed forward gain of axis 1 to .2 volts/encoder
count/msec
2
and axis 3 is set to 0 volts/encoder count/msec
2
.
KAFF(1,3)=.2,0
Sets the acceleration feed forward gain of axis 1 to .2 volts/encoder
count/msec
2
and axis 3 is set to 0 volts/encoder count/msec
2
.
KD Servo Parameter
ACTION:
Sets or returns the derivative gain for the servo axis
.
PROGRAM SYNTAX:
KD(axis)=expression
KD=expression1, ... , expression8
KD(axis, ... ,axis)=expression, ... ,expression
KD(axis) - used in an express
ion
REMARKS:
The axis specifies the number of the axis (1-8).
The expression is the derivative gain value of the servo axis. The expres-
sion value must be positive.
The KD units are milliseconds.
KD must be non-zero for system stability. Setting KD affects the gains
for the velocity and feed forward terms. Reading KD returns the present
setting.
EXAMPLES:
KD(2)=4
Sets the derivative gain of axis 2 to 4 milliseconds
.
KD=10,,8
Sets the derivative gain of axis 1 to 10 milliseconds and axis 3 is set to 8
milliseconds
.
KD(1,3)=10,8
Sets the derivative gain of axis 1 to 10 milliseconds and axis 3 is set to 8
milliseconds.
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