Meggitt VM600 - Page 361

VM600 MPS hardware manual (standard version) MAMPS-HW/E D - 5
Edition 17 - February 2018
ABBREVIATIONS AND SYMBOLS
RTD Resistance temperature detector
s Second (unit of time)
SEP
Relative shaft / shaft relative expansion using pendulum
(= MPS processing function)
S/H Sample and hold
S
max
Maximum vibratory displacement in the plane of measurement, as defined
in ISO 7919-1 (= MPS processing function)
SNR Signal-to-noise ratio
SPDT Single-pole double-throw (type of relay)
SW Software
TC Thermocouple
TM Trip Multiply
TTL Transistor-transistor logic
typ. typical, typically
U/I Voltage-to-current (converter)
V Volt (unit of electric potential)
V
AC
Voltage (alternating current)
V
DC
Voltage (direct current)
V
pp
Voltage (peak-to-peak value)
V
RMS
Voltage (root-mean-square value)
VDI Verein Deutscher Ingenieure
VM600
VM600 series (product range), from Meggitt Sensing Systems’
Vibro-Meter
®
product line
VME VERSAbus module eurocard
W Watt (unit of power)
XIO Extended input/output card (XIO16T) for use with the XMC16 and XMV16
XMC Extended monitoring card for combustion (XMC16)
XMV
Extended monitoring card for vibration (XMV16) and extended monitoring
card for vibration (XMVS16)
ve Negative
+ve Positive
Table D-1: Abbreviations and symbols (continued)
Abbreviation Definition