Definitions; Frequency Converter; Input; Motor - Danfoss VLT AutomationDrive FC 302 Programming Manual

Introduction
1 1
P
br,cont.
PCB
PCD
PELV
P
m
P
M,N
PM motor
Process PID
R
br,nom
RCD
Regen
R
min
RMS
RPM
R
rec
s
SFAVM
STW
SMPS
THD
T
LIM
TTL
U
M,N
V
VT
VVC plus
Table 1.2 Abbreviations
Conventions
Numbered lists indicate procedures.
Bullet lists indicate other information and description of
illustrations.
Italicised text indicates
•
cross reference
•
link
•
footnote
•
parameter name, parameter group name,
parameter option

1.4 Definitions

1.4.1 Frequency Converter

I
VLT,MAX
Maximum output current.
4
VLT
Rated power of the brake resistor (average
power during continuous braking)
Printed Circuit Board
Process Data
Protective Extra Low Voltage
Frequency converter nominal output power as
HO
Nominal motor power
Permanent Magnet motor
The PID regulator maintains the desired speed,
pressure, temperature, etc.
The nominal resistor value that ensures a
brake power on motor shaft of 150/160% for 1
minute
Residual Current Device
Regenerative terminals
Minimum permissible brake resistor value by
frequency converter
Root Mean Square
Revolutions Per Minute
Resistor value and resistance of the brake
resistor
Second
Stator Flux oriented Asynchronous Vector
Modulation
Status Word
Switch Mode Power Supply
Total Harmonic Distortion
Torque limit
TTL encoder (5 V) pulses - Transistor Transistor
Logic
Nominal motor voltage
Volts
Variable Torque
Voltage Vector Control
®
AutomationDrive FC 301/302 Programming Guide
I
VLT,N
Rated output current supplied by the frequency converter.
U
VLT,MAX
Maximum output voltage.

1.4.2 Input

Control command
Start and stop the connected motor by means of LCP and
digital inputs.
Functions are divided into 2 groups.
Functions in group 1 have higher priority than functions in
group 2.
Group 1
Group 2
Table 1.3 Function Groups

1.4.3 Motor

Motor Running
Torque generated on output shaft and speed from zero
RPM to max. speed on motor.
f
JOG
Motor frequency when the jog function is activated (via
digital terminals).
f
M
Motor frequency.
f
MAX
Maximum motor frequency.
f
MIN
Minimum motor frequency.
f
M,N
Rated motor frequency (nameplate data).
I
M
Motor current (actual).
I
M,N
Rated motor current (nameplate data).
n
M,N
Rated motor speed (nameplate data).
n
s
Synchronous motor speed
2 × par . 1 − 23 × 60 s
ns =
par . 1 − 39
n
slip
Motor slip.
P
M,N
Rated motor power (nameplate data in kW or hp).
T
M,N
Rated torque (motor).
MG33MI02 - Rev. 2013-11-20
Reset, Coasting stop, Reset and Coasting stop,
Quick-stop, DC braking, Stop and the [OFF] key.
Start, Pulse start, Reversing, Start reversing, Jog
and Freeze output