Galil Motion Control optcom Page 150
Optima DMC-1xxx and DMC-18x2 Command Reference
NF
i
139
NF
FUNCTION: Notch Frequency
DESCRIPTION:
The NF command sets the frequency of the notch filter, which is placed in series with the PID
compensation.
ARGUMENTS: NF n,n,n,n,n,n,n,n or
NFA=n where
n ranges from 1 Hz to
1
4
(
)
TM
where TM is the update rate (default TM is 1 msec).
n = ? Returns the value of the Notch filter for the specified axis.
USAGE: DEFAULTS:
While Moving
Yes
Default Value
0
In a Program
Yes
Default Format
Command Line
Yes
Controller Usage
ALL CONTROLLERS
OPERAND USAGE:
_NFn contains the value of notch filter for the specified axis.
RELATED COMMANDS:
"NB"
Notch bandwidth
"NZ"
Notch Zero
EXAMPLES:
NF, 20
Sets the notch frequency of B axis to 20 Hz
