Schneider Electric Lexium 17S Series - Manual (Page 24)

12
Conventions
Acronyms and
Abbreviations The acronyms and abbreviations used in this manual are identified and defined in
the table below.
Continued on next page
Acronym or
Abbreviation
Description
CE European Community (EC)
CLK Clock signal
COM Serial communication interface for a PC-AT
cUL Underwriters Laboratory (Canada)
DIN German Institute for Norming
Disk Magnetic storage (diskette, hard disk)
EEPROM Electrically erasable programmable read only memory
EMC Electromagnetic compatibility
EMI Electromagnetic Interference
EN European norm
ESD Electrostatic discharge
IEC International Electrotechnical Commission
IGBT Insulated Gate Bipolar Transistor
ISO International Standardization Organization
LED Light Emitting Diode
MB Megabyte
MS-DOS Microsoft Disk Operating System for PC-AT
PC-AT Personal computer in AT configuration
PELV Protected extra low voltage
PWM Pulse-width modulation
RAM Random Access Memory (volatile)
Regen Regen resistor
RBext External Regen resistor
RBint Internal Regen resistor
RFI Radio Frequency Interference