Programming Guide | VLT® AutomationDrive FC 360
Smart logic control (SLC)
The SLC is a sequence of user-defined actions executed when the associated user-defined events are evaluated as true by the SLC.
(Parameter group 13-** Smart Logic).
STW
Status word.
THD
Total harmonic distortion states the total contribution of harmonic distortion.
Thermistor
A temperature-dependent resistor placed where the temperature is to be monitored (drive or motor).
Trip
A state entered in fault situations, for example if the drive is subject to overvoltage or when it is protecting the motor, process, or
mechanism. Restart is prevented until the cause of the fault has disappeared, and the trip state is canceled by activating reset or,
sometimes, by being programmed to reset automatically. Do not use trip for personal safety.
Trip lock
Trip lock is a state entered in fault situations when the drive is protecting itself and requiring physical intervention. An example causing a
trip lock is the drive being subject to a short circuit on the output. A locked trip can only be canceled by cutting off mains, removing the
cause of the fault, and reconnecting the drive. Restart is prevented until the trip state is canceled by activating reset or, sometimes, by
being programmed to reset automatically. Do not use trip lock for personal safety.
VT characteristics
Variable torque characteristics for pumps and fans.
VVC+
If compared with standard voltage/frequency ratio control, Voltage Vector Control (VVC+) improves the dynamics and stability, both
when the speed reference is changed and in relation to the load torque.
60° AVM
Refers to the switching pattern 60° asynchronous vector modulation.
6.3 Conventions
l Numbered lists indicate procedures and description of illustrations.
l Bullet lists indicate other information.
l Italicized text indicates:
¢ Cross-reference.
¢ Link.
¢ Parameter name.
¢ Parameter group name.
¢ Parameter option.
¢ Footnote.
l All dimensions in drawings are in [mm] (in).
l An asterisk (*) indicates a default setting of a parameter.
Danfoss A/S © 2024.01 AU275649936274en-001401 / 130R0507 | 335
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