Port_xxx.occ

Symbolics of the PLC project

The file contains the changes of the symbolics of the PLC project for an online change.
If the Symbolic Mapping option is not activated, this file also contains the changes of the mapping configuration for an activate/update boot project.
On activating the configuration the occ file is reset in both directories.

Storage location

	Project Directory	TwinCAT boot directory
Path	..\<Solution name>\<Project name>\_Boot\<Platform>\Plc\	< TC3.1.4026.0: C:\TwinCAT\3.1\Boot\Plc >=TC3.1.4026.0: C:\ProgramData\Beckhoff\TwinCAT\3.1\Boot\Plc
Time of creation	Creating a PLC project. Recreating a PLC project.	Activate configuration. Activate boot project. PLC login with boot project update
Requirement	-	-