Omron SYSMAC CX-Programmer 8.1, Operation Manual

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Editing the SFC Chart Section 3-2
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3-2-3 Adding an Action to a Step (or to the Initial Step)
Right-click a step (or the initial step), select Add Action from the pop-up menu, and
select one of the following.
• Boolean Action (Boolean variable or actual address)
• New Ladder Action
• New Structured Text Action
• Existing Action
Adding a Boolean Variable Action Block
Action blocks can be inserted into each step of an SFC chart.
Here, a Boolean variable (bit) action block will be inserted.
1 Select and right-click a step, and select Add Action - Boolean Action from the
pop-up menu.
Note: Multiple action blocks can be inserted into a single step by repeating this procedure. If a
step contains multiple action blocks, they will be executed in sequence from top to bottom.
An action block is inserted to the right of the step.
2 Clicking in the action will display a ‘Browse’ button “[…]”. The Select Symbol dialog
box (shown below) will be displayed.
3 Select a variable from the list shown, or enter a variable name in the Symbol field,
and click OK .
Note: The variables shown are already registered in the local symbol table. If the entered
variable does not currently exist, enter the variable name in the Name field, and click OK .
A prompt to create the variable will be displayed. If ‘Yes’ is selected, then a variable will be
added to the Local Symbol table.