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1.1.4 Abbreviations and Standards
Abbreviations
Terms
SI-units
I-P units
a
Acceleration
m/s
2
ft/s
2
AWG
American wire gauge
Auto Tune
Automatic Motor Tuning
°
C
Celsius
I
Current
A
Amp
I
LIM
Current limit
IT mains
Mains supply with star point in transformer floating to ground
Joule
Energy
J = N∙m
ft-lb, Btu
°
F
Fahrenheit
FC
Frequency Converter
f
Frequency
Hz
Hz
kHz
Kilohertz
kHz
kHz
LCP
Local Control Panel
mA
Milliampere
ms
Millisecond
min
Minute
MCT
Motion Control Tool
M-TYPE
Motor Type Dependent
Nm
Newton Metres
in-lbs
I
M,N
Nominal motor current
f
M,N
Nominal motor frequency
P
M,N
Nominal motor power
U
M,N
Nominal motor voltage
par.
Parameter
PELV
Protective Extra Low Voltage
Watt
Power
W
Btu/hr, hp
Pascal
Pressure
Pa = N/m²
psi, psf, ft of water
I
INV
Rated Inverter Output Current
RPM
Revolutions Per Minute
SR
Size Related
T
Temperature
C
F
t
Time
s
s,hr
T
LIM
Torque limit
U
Voltage
V
V
Table 1.1: Abbreviation and standards table
1 How to Read these Operating Instructions
VLT HVAC Drive High Power Operating In-
structions
6
MG.11.F3.02 - VLT
®
is a registered Danfoss trademark
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