Siemens SINUMERIK FM-NC Installation And Startup Manual page 305

Abbreviations
ASCII
American standard code for information interchange
ASUB Asynchronous subprogram (or subroutine)
BA
Operating mode
BAG
Mode group
BCD
Binary coded decimals
BOOTFILE
Boot files for SIMODRIVE 611D
BP Basic program
CC
Compiler cycles
CCU
Compact control unit
COM
Communication
CPU
Central processing unit
CRC Cutter radius compensation
CTS
Clear to send for serial interfaces
DAC
Digital analog converter
DB Data module
DBB
Data block byte
DBX
Data block bit
DCE
Data communication equipment
DPR
Dual port RAM
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SINUMERIK 840D Installation and Start-Up Guide (IAD) – 04.00 Edition
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