Omron fh-1 series, User Manual, Page: 517 / 882

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Macro Reference
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Vision System FH/FZ5 Series
User’s Manual (Z340)
Errno
Gets the error number.
Format
Errno
Parameter
None.
Return value
Returns the error number as an integer value. (Reference: X Error List (p.320))
Description
Gets the error number of the error which occurred in the program.
Use this macro function in the Try-Catch-End Try statement
If a value is assigned to the return value variable or the variable is not used in an expression, a "Syntax error"
error will occur.
Usage Cautions
• None.
Example
Uses the Try Catch-End Try statement in the *MEASUREPROC subroutine of the Unit Macro processing unit
to detect the error occurrence and get the detected error number.
Useable Modules
Unit Calculation Macro / Scene Control Macro / Communication Command Macro / Unit Macro
Supported Versions
Version 3.50 or later
*MEASUREPROC
Try
WORK& = 0
SUMM& = 100 + 200 + 300
ANS& = SUMM& / WORK&
Catch
If Errno = 11 Then
Rem Output the error number and the error content on the system status console window
Print "Error Number = " + Str$(Errno) + ", Division by Zero"
Endif
End Try
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