Installation guide

262 Servo Drive
KVFF Servo Parameter
ACTION:
Sets or returns the velocity feed forward gain for the servo axis
.
PROGRAM SYNTAX:
KVFF(axis)=expression
KVFF=expression1, ... , expression8
KVFF(axis, ... ,axis)=expression, ... ,expression
KVFF(axis) - used in an expression
REMARKS:
The axis specifies the number of the axis (1-8).
The expression is the velocity feed forward gain value of the servo axis.
The expression value must be positive.
The KVFF units are percent
.
KVFF can be used to reduce the position error during motion. It does not
affect system stability. The minimum error occurs with KVFF near
100%. Setting KVFF only affects the gain for the velocity feed forward
term. Reading KVFF returns the present setting.
EXAMPLES:
KVFF(2)=95
Sets the Velocity feed forward gain of axis 2 to 95%.
KVFF=98,,95
Sets the Velocity feed forward gain of axis 1 to 98% and axis 3 is set to
95%.
KVFF(1,3)=98,95
Sets the Velocity feed forward gain of axis 1 to 98% and axis 3 is set to
95%
.
OUTLIMIT Servo Parameter
ACTION:
Sets or returns the servo command voltage limit.
PROGRAM SYNTAX:
OUTLIMIT(axis)=expression
OUTLIMIT=expression1, ... , expression8
OUTLIMIT(axis, ... , axis)=expression, ... , expression
OUTLIMIT(axis) - used in an expression
REMARKS:
The axis specifies the number of the axis (1-8).
The expression is the OUTLIMIT value set for the designated axis.
Limits the magnitude of the servo loop’s output voltage. OUTLIMIT is
set to 10 volts at power up. OUTLIMIT can be set between 0 and 10
volts inclusive. Setting it to a value outside this range will cause it to be
set to the nearest valid value.
EXAMPLES:
OUTLIMIT(2)=5
Limits the magnitude of the servo output voltage for axis 2 to
±
±±
±
5 volts.
OUTLIMIT=5,,10
Limits the magnitude of the servo output for axis 1 to
±
±±
±
5 volts and axis 3 to
±
±±
±
10 volts.
OUTLIMIT(1,3)=5,10
Limits the magnitude of the servo output for axis 1 to
±
±±
±
5 volts (50% torque
output) and axis 3 to
±
±±
±
10 volts (100% torque output).