01.93
8 Appendix
8.1 List of abbreviations
8
Appendix
8.1
List of abbreviations
Mnemonics
Meaning
BCD
Binary coded decimal
CH1
Channel 1, main channel
CH2
Channel 2, auxiliary channel
CLF
Clear file
CPU
Central processing unit
CRC
Cutter radius compensation
DAU
Digital/analog convertor
DIO
Data input/output
DRF
Differential resolver function
EIA Code
Special tape code, number of holes per character is always odd
EOB
Label for end of block for data in EIA code
EOR
Label for the program number (when EIA code is used)
EPROM
Program memory with fixed program (erasable programmable read only
memory)
INC
”Incremental” mode
ISO Code
Special tape code, number of holes per character is always even
LED
Light emitting diode
LF
Label for end of block for data in ISO code
MD
Machine data
MDI
Manual data input
MIB
Input buffer (machine input buffer)
MPF
NC part program (main program file)
NC
Numerical control
OGM
Operator Guidance Macro
PCA
PLC alarm text
PCP
PC program in machine code (programmable control program)
PLC
Programmable logic control
Pr Stop
Display of a programmed interruption of the program sequence
© Siemens AG 1990 All Rights Reserved 6ZB5 410-0EP02
8-1
SINUMERIK 810T, GA3 (BN)