A
03.04 Appendix
Abbreviations
Ó Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operator’s Guide HMI Advanced (BAD) – 03.04 Edition A-465
CRT
Cathode Ray Tube: Picture tube
CSB
Central Service Board: PLC module
CSF
Control System Flowchart
CTS
Clear To Send: (serial data interfaces)
CUTOM
Cutter radius compensation (tool radius compensation)
DAC
Digital-to-Analog Converter
DB
Data Block in the PLC
DBB
Data Block Byte in the PLC
DBW
Data Block Word in the PLC
DBX
Data Block Bit in the PLC
DC
Direct Control: The rotary axis is moved along the shortest path to the
absolute position within one revolution.
DCD
Data Carrier Detect
DDE
Dynamic Data Exchange
DIN
Deutsche Industrie Norm (German Industry Standard)
DIO
Data Input/Output: Data transfer display
DIR
Directory
DLL
Dynamic Link Library
DOS
Disk Operating System
DPM
Dual-Port Memory
DPR
Dual-Port RAM
DRAM
Dynamic Random Access Memory