Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 62

Name
Max. Age [ms]
Address Space Size
Variable Cache Size
*1 The state of the tree (expanded or collapsed) is not changed by updating data.
*2 For details on settings of access rights, maximum elapsed time, and labels to be exposed when a parent and child objects exist, refer to
the following:
Page 61 Parent object and child object
*3 Values of constant labels cannot be edited. If the checkbox of a constant label is selected, "Read" is set in "Access Rights" and the "Max
Age [ms]" cell is left blank.
*4 The color turns from green to red when the size exceeds the setting range.
A tree of structure labels cannot be expanded.
In addition, the following labels cannot be used.
• Label of which the data type is not supported by OPC UA (Page 18 Simple data types)
• Label to which a device that is not supported by OPC UA is assigned (Page 18 Simple data types)
• Structure array type label
• Array type label with more than 1024 elements
• Label of which data type is a macro type function block
• Local label of a function
• EN and ENO of a function block can be displayed in the list by selecting "Yes" for "Use EN/ENO" in the
"Properties" screen for the function block.
• When closing the "Address Space Parameter" screen, the selection status of the labels and checkbox of
"Expose structure members as components" is automatically saved.
7 PARAMETER SETTINGS
60
7.3 Setting Procedure
Description
For a variable label, set maximum elapsed time since the variable was read in
*2, *3
milliseconds.
For a constant label, this cell is blank and cannot be edited.
Size of the address space parameters calculated based on the types of the selected labels
*4
is displayed.
Size of a variable cache calculated based on the data types of the selected labels is
*4
displayed.
Setting range
• Variable label: 0 to 10000
• Constant label: blank
0 to 256KB
0 to 256KB