Danfoss VLT AQUA Drive FC 202 Design Manual page 12

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LCP
The Local Control Panel (LCP) makes up a complete
interface for control and programming of the frequency
converter. The control panel is detachable and can be
installed up to 3 metres from the frequency converter, for
example, in a front panel with the installation kit option.
The Local Control Panel is available in two versions:
-
Numerical LCP 101 (NLCP)
-
Graphical LCP 102 (GLCP)
lsb
Least significant bit.
MCM
Short for Mille Circular Mil, an American measuring unit for
cable cross-section. 1 MCM ≡ 0.5067 mm
msb
Most significant bit.
NLCP
Numerical Local Control Panel LCP 101
On-line/Off-line Parameters
Changes to on-line parameters are activated immediately
after the data value is changed. Enter [OK] to activate
changes to off-line parameters.
PID Controller
The PID controller maintains the desired speed, pressure,
temperature by adjusting the output frequency to match
the varying load.
RCD
Residual Current Device.
Set-up
Save parameter settings in 4 set-ups. Change between the
4 parameter set-ups and edit one set-up, while another
set-up is active.
SFAVM
Switching pattern called Stator Flux oriented Asynchronous
Vector Modulation (14-00 Switching Pattern).
Slip Compensation
The frequency converter compensates for the motor slip
by giving the frequency a supplement that follows the
measured motor load keeping the motor speed almost
constant.
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®
VLT
AQUA Drive FC 202 Design Guide
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.
Thermistor
A temperature-dependent resistor placed where the
temperature is monitored (frequency converter or motor).
Trip
A state entered in fault situations, for example, the
frequency converter is subject to an over-temperature or
when the frequency converter is protecting the motor
process or mechanism. Restart is prevented until the cause
of the fault has disappeared and the trip state is cancelled
by activating reset or, in some cases, by being
programmed to reset automatically. Do not use trip for
personal safety.
2
.
Trip Locked
A state entered in fault situations when the frequency
converter is protecting itself and requiring physical
intervention, for example, the frequency converter is
subject to a short circuit on the output. A locked trip can
only be cancelled by cutting off mains, removing the cause
of the fault, and reconnecting the frequency converter.
Restart is prevented until the trip state is cancelled by
activating reset or, in some cases, by being programmed
to reset automatically. Do not use trip lock 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
and the stability, both when the speed reference is
changed and in relation to the load torque.
60° AVM
Switching pattern called 60° Asynchronous Vector
Modulation (14-00 Switching Pattern).
®
MG20Z102 - VLT
is a registered Danfoss trademark
plus
) improves the dynamics

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