Siemens SIMATIC S7-1500 System Manual page 300

U/f control
Speed control with output voltage setting on the basis of a V/f characteristic.
Update interrupt
You can find relevant information in the entry "Interrupt, update".
User program
SIMATIC differentiates between the operating system of the CPU and user programs. The
user program contains all instructions and declarations as well as data for the signal
processing that enable a plant or process to be controlled. The user program is assigned to
a programmable module (e.g. CPU) and can be structured in smaller units.
Value status
The value status is additional binary information of a digital input or output signal. The value
status is entered simultaneously with the process signal in the process image input and
provides information about the validity of the signal.
Vector control
Speed control with sublevel closed-loop control of flow and torque.
Warm restart
You can find relevant information in the entry "Restart".
SIMATIC Drive Controller
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