Siemens SINAMICS PM240-2 - Abbreviations; A.4 Abbreviations

Appendix
A.4 Abbreviations
Power Module PM240-2
Hardware Installation Manual, 01/2017, A5E33294624B AE
139
A.4
Abbreviations
Abbreviation
Explanation
AC
Alternating current
CE Communauté Européenne
CU
Control Unit
DC Direct current
DI
Digital input
DIP switch DIP switches are small switches, found mostly on PBCs, for making basic
device settings
DO
Digital output
ECD
Equivalent circuit diagram
EEC
European Economic Community
ELCB
Earth leakage circuit breaker
EMC
Electromagnetic compatibility (EMC)
EMI
Electromagnetic interference
FS…
Frame size ...
HO
High overload
I/O
Input/Output
IGBT
Insulated gate bipolar transistor
LED
Light emitting diode
LO
Low overload
NC
NC contact
NEMA
National Electrical Manufacturers Association
NO
NO contact
OPI
Operating instructions
PELV Protective extra low voltage
PM
Power Module
PPE Personnel protective equipment
PT
Push-through technology
RCCB
Residual-current operated circuit breaker
RCD
Residual current device
RFI
Radio frequency interference
SELV
Safety extra-low voltage
VPL
Voltage Peak Limiter; component for limiting voltage peaks