Alpha Technologies Cordex CXCRF 48-300W - Manual (Page 50)

0300072-J0 RevA Page 46 of 46
8 ABBREVIATIONS
NOTE:
This table does not contain all standard abbreviations.
Abbreviation Symbol Complete name Explanation
Bonding Connection with the common Ground
19’’ 19 inches Standardised dimension for shelves
A xx Unit XX
BAT BATtery
BT Battery Test
C Common (for NO & NC) The common part from relay contact is floating
Comp@s
Communication with the MCU controller (hard- and
Software )
ETSI
European Telecommunications
Standards Institute
Fxx Fuse or breaker XX
I/O Input / Output
L & N Life and Neutral Related to the Mains
LVD Low Voltage Disconnect Protection against deep discharge of batteries
MCB Magnetic Circuit Breaker Disconnect device
MCU Monitoring and Control Unit The MCU allows communication with the system
NC Normally Closed Related to relay contacts
NO Normally Open Related to relay contacts
NTC Negative Temperature Coefficient Specification of the component to measure a
temperature
PE Protective Earth Related to the Mains
PLC Programmable Logic Controller
Function available with Comp@s asset license to
create a Boolean relation between inputs and outputs
PLD Partial Load Disconnect
RFID Radio Frequency Identification
RH Relative Humidity
SELV Safety Extra Low Voltage Safety norm (max 60 Vdc)
U Unit for measuring shelf height 1U = 44.45mm / 1.75 inch
Table 12: Abbreviations