OPTOCONTROL USER'S GUIDE - Opto 22

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6. Click OK and this command is entered in the Add Instruction dialog box.
The cursor is automatically moved to the next field, which is Comment. Comments are
optional; they can help someone else understand the purpose of the instruction.
7. In the Comment field, type Increment a counter of cookies produced.
8. Next, click the arrow in the Type field, the one that currently reads All Valid Types.
This list shows what those valid types are: a float variable and an integer 32 variable.
9. Counters are integers, so select Integer 32 Variable.
Now we’re going to select the integer 32 variable to increment, which is a variable called
Cookie_Counter.
10. Click the arrow in the Name field, which currently reads Chart_Status.
The drop-down list shows all variables currently configured as integer 32 variables:
Cookie_Counter is not in the list, because we never needed it before, so we never created
it. We’ll create it now using what we call on-the-fly configuration.
11. Highlight Chart_Status and type the new variable name, Cookie_Counter, right over it.
As soon as you try to do something else, such as click OK to close the dialog box, the
following message appears:
12. Click Yes.
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