HARDWARE MANUAL Document reference MAMPS-HW/E
VM600 machinery protection system (MPS) Edition 18 - March 2022
D-2
ABBREVIATIONS AND SYMBOLS
CMC Condition monitoring card (CMC16). See also XMC and XMV.
CMRR Common-mode rejection ratio
CMS Condition monitoring system
CMV Common-mode voltage
COM Common
CPU Central processing unit
CSA Canadian standards association
DAC Digital-to-analog converter
dB Decibel
DB Danger Bypass
DC Direct current
DCS Distributed control system
DFT Discrete fourier transform
DHE Differential housing expansion (= MPS processing function)
DMF Dual mathematical function (= MPS processing function)
DPDT Double-pole double-throw (type of relay)
DQSP Delta (or differential) quasi-static pressure (= MPS processing function)
DQST Delta (or differential) quasi-static temperature (= MPS processing function)
DSI Discrete signal interface
DSP Digital signal processor
EC Eccentricity (= MPS processing function)
EEPROM Electrically erasable programmable read-only memory
EMC Electromagnetic compatibility
EMI Electromagnetic interference
EN European standard
EPROM Erasable programmable read-only memory
F Farad (unit of electric capacitance)
FLASH Type of memory (sometimes called flash EEPROM)
FFT Fast fourier transform
FW Firmware (embedded software)
g Gram (unit of mass)
Table D-1: Abbreviations and symbols (continued)
Abbreviation Definition
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