A-875
©
Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
Appendix
A
A.1
Abbreviations
A
Output
ASCII
American Standard Code for Information Interchange
AV
Job planning
BCD
Binary Coded Decimals: Decimals with each digit coded in binary
CNC
Computerized Numerical Control
CP
Communications Processor
CPU
Central Processing Unit
CR
Carriage Return
CRC
Cutter radius compensation
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
EIA code
Special punched tape code, number of holes per character always odd
EPROM
Erasable Programmable Read Only Memory
ETC
ETC Key: Expansion of the softkey bar in the same menu
FDD
Feed Drive (spindle)
FIFO
First In First Out: Memory, which works without address specification where data are
read in the same order, in which they were stored.
FM
Function Module
FM-NC
Function Module Numerical Control