Installation guide

Programming Commands 121
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: This command is defined in more detail in Section 9 Servo Drive.
LCASE$ String Manipulation
ACTION: Converts and returns a string with lower case letters.
PROGRAM SYNTAX: string1$=LCASE$(string2$)
REMARKS: String2$ is copied and all upper case letters are converted to lower
case letters and the resulting string is returned to string1$.
EXAMPLES: a$=“HELLO”
b$=LCASE$(a$) ‘ sets b$=“hello”
LEFT$ String Manipulation
ACTION: Returns the leftmost characters of a string.
PROGRAM SYNTAX: string2$=LEFT$(string1$,n)
REMARKS: The n is the number of leftmost characters to return. If n is greater than
the length of string1$ then the entire string is returned to string2$.
EXAMPLES: b$=“Hello World”
a$=LEFT$(b$,7) ‘ sets a$=“Hello W”
LEN String Manipulation
ACTION: Returns the number of characters in the designated string.
PROGRAM SYNTAX: LEN(string$) - used in an expression
REMARKS: If the input string is a null string a 0 is returned.
EXAMPLES: A=LEN(“ABCD”) ‘ sets A=4