Abbreviations And Acronyms - Danfoss VLT FC Series Service Manual

Introduction
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1.3 Abbreviations and Acronyms

°C
Degrees Celsius
°F
Degrees Fahrenheit
Ω
Ohm
AC Alternating current
ACP Application control processor
AWG American wire gauge
AMA Automatic motor adaptation
CPU Central processing unit
CSIV Customer-specific initialization values
CT Current transformer
DC Direct current
DVM Digital voltmeter
Electrically erasable programmable read-only
EEPROM
memory
EMC Electromagnetic compatibility
EMI Electromagnetic interference
ESD Electrostatic discharge
ETR Electronic thermal relay
f Nominal motor frequency
M,N
FC Frequency converter
FPC Fan power card
HF High frequency
HVAC Heating, ventilation, and air conditioning
Hz Hertz
I Current limit
LIM
I Rated inverter output current
INV
I Nominal motor current
M,N
I Maximum output current
VLT,MAX
I Rated output current supplied by the drive
VLT,N
IEC International electrotechnical commission
IGBT Insulated-gate bipolar transistor
I/O Input/output
IP Ingress protection
kHz Kilohertz
kW Kilowatt
L Motor d-axis inductance
d
L Motor q-axis inductance
q
LC Inductor-capacitor
LCP Local control panel
LED Light-emitting diode
LOP Local operation pad
mA Milliamp
MCB Miniature circuit breakers
MCO Motion control option
MCP Motor control processor
MCT Motion control tool
MDCIC Multi-drive control interface card
mV Millivolts
NEMA National Electrical Manufacturers Association
NTC Negative temperature coefficient
P Nominal motor power
M,N
PCB Printed circuit board
10
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VLT FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9
PE
PELV
PID
PLC
P/N
PROM
PS
PTC
PWM
R
s
RAM
RCD
Regen
RFI
RMS
RPM
SCR
SMPS
S/N
STO
T
LIM
U
M,N
V
VVC
X
h
Table 1.1 Abbreviations, Acronyms, and Symbols
Danfoss A/S © 02/2019 All rights reserved.
Protective earth
Protective extra low voltage
Proportional integral derivative
Programmable logic controller
Part number
Programmable read-only memory
Power section
Positive temperature coefficient
Pulse width modulation
Stator resistance
Random-access memory
Residual current device
Regenerative terminals
Radio frequency interference
Root means square (cyclically alternating electric
current)
Revolutions per minute
Silicon controlled rectifier
Switch mode power supply
Serial number
Safe Torque Off
Torque limit
Nominal motor voltage
Volt
Voltage vector control
Motor main reactance
MG94A502