A
03.04 Appendix
Abbreviations
CP
Communication Processor
CPU
Central Processing Unit:
CR
Carriage Return
CRC
Cutter radius compensation
CRT
Cathode Ray Tube
CSB
Central Service Board: PLC module
CST
Customer Standard Cycle
CTS
Clear To Send: Signal from serial data interfaces
CUS
User cycles (Customer User)
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: Movement of the rotary axis across the shortest path to
the absolute position within one revolution
DCD
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
DOE
Data transmission equipment
Siemens AG, 2004. All rights reserved.
SINUMERIK 840D/840Di/810D Operator’s Guide Handheld Terminal 6 (BAH) - 03.04 Edition A-135