Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 83

■ Return element
• The operation of a return element differs depending on the POU (program, function, or function block) used.
POU used
Program
Function
Function block
• If a return element is used in a macro type function block, do not allocate multiple function block elements with the same FB
instance name.
• When a program where a return element is used is converted, a local label is automatically registered. The following
restrictions apply to those labels.
Operation to the label registered automatically
Changing a label name
Changing a data type
Changing a class
Deleting a label
Changing a registration line
*1 If the program is converted again after the label is changed or deleted, another local label is registered.
■ Connector element
A connector element is used to place the program within the area to be displayed in the FBD/LD editor or to be printed.
Description
Execution of the program is stopped.
Execution of the function is stopped, and processing returns to the step next to the instruction that called the function.
Execution of the function block is stopped, and processing returns to the step next to the instruction that called the
function block.
Availability
*1
Not available
Not available
Not available
*1
Not available
Available
7 FBD/LD
7.1 Configuration
7
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