Issue 07/04  List of Abbreviations 
MICROMASTER 420    Operating Instructions   
6SE6400-5AA00-0BP0 
181 
F List of Abbreviations 
AC Alternating current 
AD  Analog digital converter 
ADC  Analog digital converter 
ADR Address 
AFM  Additional frequency modification 
AG Automation unit 
AIN Analog input 
AOP  Advanced operator panel 
AOUT Analog output 
ASP Analog setpoint 
ASVM  Asymmetric space vector modulation 
BCC Block check character 
BCD Binary-coded decimal code 
BI Binector input 
BICO  Binector / connector 
BO Binector output 
BOP  Basic operator panel 
C Commissioning 
CB Communication board 
CCW Counter-clockwise 
CDS  Command data set 
CI Connector input 
CM Configuration management 
CMD Commando 
CMM Combimaster 
CO Connector output 
CO/BO  Connector output / Binector output 
COM  Common (terminal that is connected to NO or NC) 
COM-Link Communication link 
CT  Commissioning, ready to run 
CT Constant torque 
CUT  Commissioning, run, ready to run 
CW Clockwise 
DA  Digital analog converter 
DAC  Digital analog converter 
DC Direct current 
DDS Drive data set 
DIN Digital input