Application directories

This application uses various directories to store relevant information, such as configuration or certificate files.

Client version 1.x.x

Installation directory

The base installation directory of the application is relative to the TwinCAT installation directory.

%TcInstallDir%\Functions\TF6100-OPC-UA

The application is then installed in the following directory below this directory:

%TcInstallDir%\Functions\TF6100-OPC-UA\Win32\Client

The Engineering Extension for the TwinCAT OPC UA I/O Client is installed in the following directory:

%TcInstallDir%\Functions\TF6100-OPC-UA\Build_4026

The driver for the TwinCAT OPC UA I/O Client is installed in the following directory:

%TcInstallDir%\3.1\Driver\Autoload

Certificate directory

Certificate files, which are used to establish a secure communication connection, are stored in the following directory:

%ProgramData%\Beckhoff\TF6100-OPC-UA\TcOpcUaClient\PKI

Log files

Log files are stored in the following directory:

%ProgramData%\Beckhoff\TF6100-OPC-UA\TcOpcUaClient\Logs

Client version 2.x.x

The software architecture of client version 2.x. is fundamentally different from that of the previous version. This results in different application directories.

Installation directory

The base installation directory of the application is relative to the TwinCAT installation directory.

%TcInstallDir%\Functions\TF6100-OPC-UA

The Engineering Extension for the TwinCAT OPC UA I/O Client is installed in the following directory:

%TcInstallDir%\Functions\TF6100-OPC-UA\Build_4026

The driver for the TwinCAT OPC UA I/O Client is installed in the following directory:

%TcInstallDir%\3.1\Driver\Autoload

Certificate directory

Certificate files, which are used to establish a secure communication connection, are stored in the following directory:

%TcInstallDir%\3.1\Target\OpcUa\Client\PKI

Log files

The handling of log files is explained in a separate article.