VA Motion Controller Programming Manual
135
Ⅹ Logic Instructions
The PLC
instruction encapsulates the program block, each instruction can complete certain
logic and operation operations, and the instructioNSet is a collection of
PLC
instructions. In
the
MULTIPROG
programming, for programming convenience, these instructions are assigned to
several different functional areas ( or libraries ) . These function blocks can be listed separately in
the editing wizard in
MULTIPROG
. This chapter will follow these differences. The division of
the functional area ( or library ) , the following instructions are introduced
1
: Function
2
: Function block
3
: Type conversion
FU
4
: String
FU
5
: Bit manipulation function
BIT_UTIL
6
:
P roConO S
function
Note
:
In
the instruction description of the
IL
programming language, the
LDA
nd
ST
operators are
often used , and their use is as follows :
The LD IN
(
* the LD
represents the variable
IN
chargeDAccumulateDAdder
*
)
The ABS
( *
the ABS
represents the accumulated value of an absolute value, sending the
results accumulateDAdder
*
)
ST OUT
( *
ST
represents the accumulated value is assigned to the variable
OUT *
)
In
the instructioNSpecification of the
ST
programming language, "
:=
" is an assignment
operator.
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