On-line/Off-line Parameters
Changes to on-line parameters are activated immediately after the data value is changed. Changes to off-line
parameters are not activated until you enter [OK] on the keypad.
Process PID
The PID regulator maintains the desired speed, pressure, temperature, etc. by adjusting the output frequency
to match the varying load.
PCD
Process Data
Pulse Input/Incremental Encoder
An external, digital pulse transmitter used for feeding back information on motor speed. The encoder is used
in applications where great accuracy in speed control is required.
RCD
Residual Current Device.
Set-up
You can save parameter settings in four set-ups. Change between the four parameter set-ups, and edit one set-
up, while another set-up is active.
SFAVM
Switching pattern called
Stator Flux-oriented Asynchronous Vector Modulation (par.14-00 Switching Pattern).
Slip Compensation
The adjustable frequency drive compensates for the motor slip by giving the frequency a supplement that fol-
lows the measured motor load keeping the motor speed almost constant..
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 Smart Logic Controller. (Parameter group 13-xx
Smart Logic Control (SLC).
STW
Status Word
FC Standard Bus
Includes RS 485 bus with FC protocol or MC protocol. See par.8-30
Protocol.
Thermistor:
A temperature-dependent resistor placed where the temperature is to be monitored (adjustable frequency drive
or motor).
Trip
A state entered in fault situations, e.g., if the adjustable frequency drive is subject to an overtemperature or
when the adjustable frequency drive 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, in some cases, by
being programmed to reset automatically. Trip may not be used for personal safety.
Trip Locked
A state entered in fault situations when the adjustable frequency drive is protecting itself and requiring physical
intervention, e.g., if the adjustable frequency drive is subject to a short circuit on the output. A locked trip can
only be canceled by cutting off line power, removing the cause of the fault, and reconnecting the adjustable
frequency drive. Restart is prevented until the trip state is canceled by activating reset or, in some cases, by
being programmed to reset automatically. Trip may not be used for personal safety.
VT Characteristics
Variable torque characteristics used for pumps and fans.
VVC
plus
If compared with standard voltage/frequency ratio control, Voltage Vector Control (VVC
plus
) improves the dy-
namics and the stability, both when the speed reference is changed and in relation to the load torque.
2-6 TR200 Programming Guide
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