Abbreviations, Symbols And Conventions - Danfoss VLT AQUA Drive FC 202 Design Manual

Introduction

1.4 Abbreviations, Symbols and Conventions

60° AVM 60° asynchronous vector modulation
A Ampere/AMP
AC Alternating current
AD Air discharge
AEO Automatic energy optimization
AI Analog input
AMA Automatic motor adaptation
AWG American wire gauge
°C
Degrees celsius
CD Constant discharge
CM Common mode
CT Constant torque
DC Direct current
DI Digital input
DM Differential mode
D-TYPE Drive dependent
EMC Electromagnetic compatibility
EMF Electromotive force
ETR Electronic thermal relay
f Motor frequency when jog function is
JOG
activated.
f Motor frequency
M
f The maximum output frequency the
MAX
adjustable frequency drive applies on its
output.
f The minimum motor frequency from
MIN
adjustable frequency drive.
f Nominal motor frequency
M,N
FC Adjustable frequency drive
g Gram
® ®
Hiperface Hiperface is a registered trademark by
Stegmann
hp Horse power
HTL HTL encoder (10–30 V) pulses - High-voltage
transistor logic
Hz Hertz
I Rated inverter output current
INV
I Current limit
LIM
I Nominal motor current
M,N
I The maximum output current
VLT,MAX
I The rated output current supplied by the
VLT,N
adjustable frequency drive
kHz Kilohertz
LCP Local control panel
lsb Least significant bit
m Meter
mA Milliampere
MCM Mille circular mil
MCT Motion control tool
mH Inductance in millihenry
MG20N622
Design Guide
min
ms
msb
η
VLT
nF
NLCP
Nm
n
s
Online/Offline
Parameters
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 +
Table 1.1 Abbreviations
Danfoss A/S © 09/2014 All rights reserved.
Minute
Millisecond
Most significant bit
Efficiency of the adjustable frequency drive
defined as the ratio between power output
and power input.
Capacitance in nano Farad
Numerical local control panel
Newton meter
Synchronous motor speed
Changes to online parameters are activated
immediately after the data value is changed.
Rated power of the brake resistor (average
power during continuous braking).
Printed circuit board
Process data
Protective extra low voltage
Adjustable frequency drive nominal output
power as high overload (HO).
Nominal motor power
Permanent magnet motor
The PID regulator maintains the desired speed,
pressure, temperature, and so on.
The nominal resistor value that ensures a
brake power on the motor shaft of 150/160%
for 1 minute
Residual current device
Regenerative terminals
Minimum permissible brake resistor value by
adjustable frequency drive
Root mean square
Revolutions per minute
Recommended brake resistor resistance of
Danfoss brake resistors
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
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