Starting the TwinCAT 3 Usermode Runtime

The TwinCAT 3 Usermode Runtime can be started via the TcSysUI:

The TwinCAT 3 Usermode Runtime starts in the background.
The router status can then be queried and changed via the same menu.

A minimized window provides additional interaction:

heap memory allocated 000002514EB00000 size=536870912
TcSysSrvUm state: Config [8896]
AmsNetId: 199.4.42.250.1.1
TcSysSrvUm state: Config [8896]

Press 'c' for Reconfig TwinCAT System.
Press 'r' for Restart TwinCAT system.
Press 's' to view current state.
Press 'x' to exit TwinCAT system service.
Press 'd' to detach the exception handler.

• 'c': Sets the Usermode Runtime to CONFIG - if it is already in CONFIG, a ReCONFIG is executed.
• 'r': Sets the Usermode Runtime to RUN - if it is already in RUN, it is restarted.
• 's': Sows the current state of the Usermode Runtime.
• 'x': Exits Usermode Runtime.
• 'd': A debugger is usually started with the Usermode Runtime, which is necessary for debugging a PLC, for example. This debugger can be terminated with 'd' if external debugging tools are to be used.