Omron FZ4 Series, Руководство пользователя, Страница: 222 / 656

4
Using
Tool
220 Using Custom Command FZ4 User's Manual
CHAR1$="A"
CODE&=Asc(CHAR1$)
CHAR2$=Hex$(CODE&)
The result is as follows:
CODE&=65
CHAR2$=41
Controls the flow of processing in accordance with specified conditions.
If <Logical Expression> Then <Statement>|<Label> [Else <Statement>|<Label>]
Parameters
<Logical Expression> The logical expression (Boolean expression) for controlling processing.
<Statement> The command statement to be processed (statement).
<Label> Label (Label) for the movement destination.
Return Value
None.
Description
Controls the flow of processing in accordance with the Logical Expression.
While the <Logical Expression> value is true (not 0), either the statement below the Then <statement> is
executed or the processing is moved to the line specified by the <Label>.Refer to Calculation for details
on logical expressions and Boolean values.
Reference:
Calculation (p.159)
Specifying a <Label> after Then will move the processing to the Label.
Specifying a statement after Then will execute that statement.
When the <Logical Expression> value is true (not 0), processing is moved to the line after the Else
<statement> or to the line specified by the<Label>.
The Else statement can be omitted.
The Else statement may not be written on the next line.Describe the If - Else all in one statement.
Example
Output the judge result of Camera Image Input.
If UnitJudge(0)=1 Then Gosub *OKOUT Else Gosub *NGOUT
Return
*OKOUT
Print "OK"
Return
*NGOUT
Print "NG"
Return
Stop
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