Vector VEC-VA Series User Manual

VA Motion Controller Programming Manual
136
1 0.1 function
A function is a program organization unit POU with multiple input parameters and one output
parameter . They do not have any internal memory. Calling a function with the same value always
returns the same result. The return value is a single variable, or a multi-element variable such as
an array or structure. The abbreviation for function is FU .
The following functions can be used during MULTIPROG programming
▲ type conversion function
▲ numerical function
▲ arithmetic operation function
▲ Bit Boolean function
▲ bit string function
▲ Select computing function
▲ Comparative computing function
▲ string function
Instructions contained in the function ( in the Edit Wizard, select " Features " from the
drop-down list )
name
name
name
name
ABS
DIV_T_R
MAX
ROL
ACOS
EQ
MIN
ROR
ADD
EXP
MOD
SEL
ADD_T_T
EXPT
MOVE
SHL
AND
GE
MUL
SHR
ASIN
GT
MUL_T_AI
SIN
ATAN
LE
MUL_T_AN
SORT
COS
LIMIT
MUL_T_R
SUB
DIV
LN
NE
SUB_T_T
DIV_T_AI
LOG
NOT
TAN
DIV_T_AN
LT
OR
XOR
In the following LDAnd FBD instruction description, only when the input pin EN is 1 when the
command is active , when the instruction is executed successfully, the output pin ENO set to 1 ,
otherwise the pin ENO set 0
10.1.1 ABS (absolute value instruction )
IL programming language
LD, FBD programming language
Function:
ABS
instruction is used to find the absolute value of negative number
LD IN
ABS

Vector VEC-VA Series Specifications

General

Brand	Vector
Model	VEC-VA Series
Category	Controller
Language	English