Appendix
A.1 List of abbreviations
Fundamentals
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
519
DIO Data Input/Output: Data transfer display
DIR Directory: Directory
DLL Dynamic Link Library
DOE Data transmission equipment
DOS Disk Operating System
DPM Dual-Port Memory
DPR Dual-Port RAM
DRAM Dynamic Random Access Memory
DRF Differential Resolver Function: Differential resolver function (DRF)
DRY Dry Run: Dry run feedrate
DSB Decoding Single Block: Decoding single block
DTE Data Terminal Equipment
DW Data word
E Input
EIA code Special punched tape code, number of holes per character always odd
ENC Encoder: Actual value encoder
EPROM Erasable Programmable Read Only Memory
Error Error from printer
FB Function block
FBS Slimline screen
FC Function Call: Function block in the PLC
FDB Product database
FDD Floppy Disk Drive
FDD Feed Drive
FEPROM Flash-EPROM: Read and write memory
FIFO First In First Out: Memory that works without address specification and whose data
are read in the same order in which they were stored.
FIPO Fine InterPOlator
FM Function Module
FM-NC Function module – numerical control
FPU Floating Point Unit Floating Point Unit
FRA Frame block
FRAME Data record (frame)
FST Feed Stop: Feed stop
GUD Global User Data: Global user data
HD Hard Disk Hard disk
HEX Abbreviation for hexadecimal number
HHU Handheld unit
HMI Human Machine Interface
HMI Human Machine Interface: Operator functionality of SINUMERIK for operation,
programming and simulation.
HMS High-resolution Measuring System
HW Hardware
I/O Input/Output
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