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" Siemens AG 2007 All Rights Reserved
SINUMERIK 802D sl, Diagnostics Manual, Edition 06/2007
Appendix A
A.1 Abbreviations
O Output
ASCII American Standard Code for Information Interchange: Amerikanische Code-Norm für
den Informationsaustausch
AV Job planning
BA Operating mode
BAG Mode groups
BB Ready to run
BCD Binary Coded Decimals: Decimals with each digit coded in binary
BHT Handheld unit
UI Operator interface
CNC Computerized Numerical Control Computerized numerical control
CP Communications Processor Communications processor
CPU Central Processing Unit Central processing unit
CR Carriage Return
CSB Central Service Board: PLC module
CTS Clear To Send: Signal from serial data interfaces
DAC Digital-to-Analog Converter
DB Data block
DIN German standard
DIO Data Input/Output: Data transfer display
DRF Differential resolver function : Handwheel jog
DRY DRY run: Dry run feedrate
DSB Decoding Single Block: Decoding single block
DSR Data Send Ready:
Signal from serial data interfaces indicating that they are ready to send
DW Data word
E input
EIA code Special punched tape code, number of holes per character always odd
EPROM Erasable Programmable Read Only Memory
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