VM600 MPS hardware manual (standard version) MAMPS-HW/E D - 3
Edition 17 - February 2018
ABBREVIATIONS AND SYMBOLS
g
Grav (unit of acceleration, approximately equal to 9.81 m/s
2
)
GND Ground
HE (Absolute) housing expansion (= MPS processing function)
HP
(i) High-pass (filter)
(ii) High-pressure (turbine)
HW Hardware
Hz Hertz (unit of frequency)
IEC International electrotechnical commission
IOC Input/output cards (IOC4T, IOC8T, IOC16T and IOCN)
IP Industry pack
I/P Input
IRC Intelligent relay card (IRC4)
ISO International organisation for standardisation
JS Jumper selectable
K Kelvin (unit of temperature)
LCD Liquid crystal display
LCIE
Laboratoire central des industries électriques (French certifying body used
by Meggitt Sensing Systems)
LED Light emitting diode
LP
(i) Low-pass (filter)
(ii) Low-pressure (turbine)
m Meter (unit of length)
max. Maximum
min. Minimum
MPC Machinery protection card (MPC4 and MPC4SIL)
MPS Machinery protection system
MTBF Mean time between failures
MUX Multiplexer
N Newton (unit of force)
N/A Not applicable
NB Narrow band (= MPS processing function, also known as tracking)
NBFS Narrow-band fixed frequency (= MPS processing function)
Table D-1: Abbreviations and symbols (continued)
Abbreviation Definition
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