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8-232 Chapter 8 Robot Language Lists
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WHILE to WEND
Repeats an operation for as long as a condition is met
Format
WHILE conditional expression
command block
WEND
Explanation
Executes the command block between the WHILE and WEND statements when the
condition specified by the <
conditional expression
> is met, and then returns to the
WHILE statement to repeat the same operation.
When the <
conditional expression
> condition is no longer met (becomes false), the
program jumps to the next command after the WEND statement.
If the <
conditional expression
> condition is not met from the beginning (false), the
command block between the WHILE and WEND statements is not executed, and a
jump occurs to the next statement after the WEND statement.
Jumping out of the WHILE to WEND loop is possible by using the GOTO statement, etc.
• When the conditional expression is a numeric expression, an expression value other than "0"
indicates TRUE status, and "0" indicates FALSE status.
SAMPLE 1
A=0
WHILE DI3(0)=0
A=A+1
MOVE P,P0
MOVE P,P1
PRINT "COUNTER=";A
WEND
HALT
SAMPLE 2
A=0
WHILE -1
····················· Becomes an endless loop because the
conditional expression is always TRUE
(other than 0).
A=A+1
MOVE P,P0
IF DI3(0)=1 THEN *END
MOVE P,P1
PRINT "COUNTER=";A
IF DI3(0)=1 THEN *END
WEND
*END
HALT
MEMO
Summary of Contents for SCARA YRCX Series
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Page 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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Page 61: ...Chapter 5 Multiple Robot Control 1 1 Overview 5 1 2 2 Command list with a robot setting 5 2 ...
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Page 409: ...Chapter 11 User program examples 1 1 Basic operation 11 1 2 2 Application 11 8 ...
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Page 489: ...Chapter 13 Appendix 1 1 Reserved word list 13 1 2 2 Changes from conventional models 13 3 ...
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