Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 39

User nodes
The following shows a part of the address space in which instances of user-defined project elements exist.
The structure of this part is defined by the PLCopen information model; it follows the structure of resources in a programmable
controller.
Root
Objects
DeviceSet
FX5-CPU
Resources
MAIN
MAIN1
GlobalVars
globalVar1
globalVar2
globalStructVar
global_FB_instance
The elements (1) to (5) correspond to elements in a GX Works3 project as shown below:
No. Element
(1) Ctrl Resources
(2) Ctrl Programs
(3) Ctrl Variables (global)
(4) Ctrl Variables (local)
(5) Members of Ctrl Variables of structured
data types
(1)
Programs
ProgPou
(2)
ProgPou1
ProgPou2
(1)
(3)
memberVar1
memberVar2
memberVar2
localVar1
localVar2
InputVar
OutputVar
(4)
InOutVar
nested_FB_instance
localVar1
Corresponding element in a GX
Works3 project
Program files
Program blocks
Global labels
Local labels of a program block or function
block
Members of a structure label
(4)
localVar1
localVar2
localStructVar
local_FB_instance
localVar1
localVar2
InputVar
OutputVar
InOutVar
nested_FB_instance
localVar1
(5)
Remarks


Unlike in GX Works3, having multiple groups of global
labels is not available.
All global variables are stored under a single "GlobalVars"
object.

These components are exposed only when the setting of
"Expose structure members as components" is enabled.
(5)
memberVar1
memberVar2
(4)
4 FUNCTIONS
4.2 OPC UA Server Function
4
37