Depending on the target system settings the user can activate resp. deactivate the Flow Control function. If it is activated, a check (✓) will appear in front of the menu item. Following this, every line or every network will be marked which was executed in the last PLC Cycle.
1. The run time of a program will be increased by using flow control. This might cause timeouts in time-cyclic programs with high load.
2. At active breakpoint positions there is no flow control display.
3. If a watchdog has been defined for the concerned task, this will be switched off when the flow control is active.