Panasonic PV500 User Manual page 226

3.
Select the numerical calculation input field and press the ENTER key again.
The list of items that can be registered in a calculation is displayed.
Checker:
Numerical Calculation:
Judgement:
Constant:
System Register:
Scan Count:
Operators and Functions:
Scan Count is reset to "0" by turning on the power, switching type, and resetting statistics data.
4.
Enter an operation expression.
Up to 16 items and 560* characters can be set.
If you selected a wrong item, delete it with the
F2 key and reregister the expression.
Moving the cursor onto an item displays the
information of the item in the expression
explanation field.
*) The products before ver.1.1 limit the number
of characters to 256.
5.
Enter a comment with the software keyboard as necessary.
6.
Press the CANCEL key again.
When the dialog message appears, select "YES".
"Yes":
Registers the expression.
"No":
Returns to the status before inputting the expression.
"Cancel": Cancels registering the expression and come back to status to edit.
If the expression is incorrect such as wrong grammar or unspecified data which is necessary for the
function, selecting "Yes" cannot execute the registration and a message is displayed in the bottom field.
The cursor is moved to the wrong item. Correct it.
7.
Press the TRIG key to run a test and confirm the result as necessary.
224
Select this to enter the inspection data or the statistics data of checkers
including position adjustment and area size adjustment.
Select this to enter the result of numerical calculation or the statistics data of
them.
Select this to enter the result of judgement or the statistics data of them.
Select this to enter a fixed value. Values that can be input are +/-
9999999.999.
Select this to enter the System Registers No.0 to 7 specified in the
environment setting.
Select this to enter the scan count after startup or type switching.
Select this to enter an operator or a function. Refer to the section of
Operators and Functions, page 235 for details.