Omron SYSMAC FH Series User Manual page 427

CheckUnit
Checks the registration status of a processing unit.
Format
CheckUnit(<unitNo>)
Parameter
Parameter
Data type
name
<unitNo> Integer type
Return value
Returns the registration status as an integer.
• 0: Processing unit not registered
• 1: Processing unit already registered
Description
Checks if the processing unit in the position in the measurement flow specified in the <unitNo> parameter has
been registered.
If an incorrect data type is specified for a parameter, a "Type mismatch" error will occur.
Even if a non-existent number, numerical value, or combination of data types or values is specified for the
parameter, an error will not occur.
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.
If the format is written incorrectly, such as writing the macro function name incorrectly, omitting a comma, or
omitting a half-width space, a "Syntax error" error will occur.
Usage Cautions
• None.
Example
Gets the processing unit title if a processing unit has been registered in processing unit number 3 in the
measurement flow.
Rem Check the registration status of unit number 3.
If CheckUnit(3) = 1 Then
Rem Get the title of the processing unit.
TITLE$ = UnitTitle$(3)
Endif
Useable Modules
Scene Control Macro / Communication Command Macro
Supported Versions
Version 3.50 or later
Vision System FH/FZ5 Series
User's Manual (Z340)
Processing unit number (0 to (number of processing units of current scene minus one))
of processing unit whose registration status is to be checked.
WWW.NNC.IR
Description
8
425
Macro Reference