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8
8-76 Chapter 8 Robot Language Lists
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8
8-76 Chapter 8 Robot Language Lists
A
B
C
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E
F
G
H
I
J
K
L
M
47
IF
47.2
Block IF statement
Format
IF conditional expression 1 THEN
command block 1
ELSEIF conditional expression 2 THEN
command block 2
ELSE
command block n
ENDIF
Explanation
If the condition specified by <
conditional expression 1
> is met (true), this statement
executes the instructions specified in <
command block 1
>, then jumps to the next
line after ENDIF.
When an ELSEIF statement is present and the condition specified by <
conditional
expression 2
> is met (true), the instructions specified in <
command block 2
> are
executed.
If all the conditions specified by the conditional expression are not met (false),
<
command block n
> is executed.
• When the conditional expression used to designate the IF statement condition is a numeric
expression, an expression value other than “0” indicates a TRUE status, and "0" indicates a
FALSE status.
SAMPLE
’MAIN ROUTINE
*ST:
MOVE P,P0,P1
IF DI(21,20)=1 THEN
DO(20)=
1
DELAY
100
WAIT
DI(20)=0
ELSEIF DI(21,20)=2 THEN
DELAY
100
ELSE
GOTO
*FIN
ENDIF
GOTO *ST
*FIN:
HALT
MEMO
Содержание SCARA YRCX Series
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Страница 27: ...Chapter 2 Constants 1 1 Outline 2 1 2 2 Numeric constants 2 1 3 3 Character constants 2 2 ...
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