Omron SYSMAC CP2E-E D Series User Manual

4-7
4 Understanding Programming
CP2E CPU Unit Software User’s Manual(W614)
4-2 Tasks, Sections, and Symbols
4
4-2-3 Overview of Symbols
Addresses are allocated to symbols using one of the following methods.
• User Specified allocation
• Automatic allocation using the CX-Programmer
The area of memory used for automatic allocations is set by selecting Memory Allocation - Auto-
matic Address Allocation from the PLC Menu in the CX-Programmer.
Note “Global” and “local” indicate only the applicable scope of the symbol.
They have nothing to do with the applicable scope of memory addresses.
Therefore, a warning but not an error will occur in the following cases, and it will be possible to
transfer the user program.
• The same addresses is used for two different local symbols.
• The same addresses is used for a global symbol and a local symbol.
Additional Information
In programs in the CX-Programmer, global symbols and local symbols can be identified by the
following character colors and symbol icons.
Select To o ls - Options, and select Local Symbols or Global Symbols in Appearance to change
the color.
Types of
symbols
Project tree in the
CX-Programmer
Scope
Address and
I/O comment
(without a
symbol name)
Access using
symbols
from a net-
work
Access from
other tasks
Access from
the local task
Global
symbols
PLC tree Not
possible.
Possible. Possible. Supported
Local
symbols
Program tree Not
possible.
Possible. Not supported
Classification Display color Example (default color)
Global symbols Black (default)
Local symbols Blue (default)
Start
3.00
Error
W0.00

Omron SYSMAC CP2E-E D Series Specifications

General

Brand	Omron
Model	SYSMAC CP2E-E D Series
Category	Computer Hardware
Language	English