The following symbols are used in this document:
WARNING
Indicates a potentially hazardous situation which could
result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which could
result in minor or moderate injury. It may also be used
to alert against unsafe practices.
NOTICE
Indicates important information, including situations that
may result in damage to equipment or property.
1.1.1 Abbreviations and Standards
Abbrevi-
ations
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
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
s Second
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
How to Read these Operating...
VLT HVAC Drive FC 102 Operating Instructions
MG11F402 - Rev. 2013-12-16 5
1
1
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