Appendix
A.1 Abbreviations
Manual
612
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
DPR
Dual-Port RAM
DRAM
Dynamic memory (non-buffered)
DRF
Differential Resolver Function: Differential function for handwheel signaling
DRIVE-CLiQ
Drive Component Link with IQ
DRY
Dry Run: Dry run feedrate
DSC
Dynamic Servo Control
DSR
Data Send Ready: Signals that data is ready to be sent from the serial data interfaces
DW
Data word
DWORD
Double Word (currently 32 bits)
SIOM
Compact I/O module (PLC I/O module)
ESD
Electrostatic Sensitive Devices
EMC
Electromagnetic Compatibility
EN
European Standard
EPROM
Program memory with fixed program
EQN
Designation for an absolute encoder with 2048 sine signals per revolution
ETC
ETC key ">"; Softkey bar extension in the same menu
FC
Function call, function block on the PLC
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
CRC
Cutter radius compensation
FST
Feed Stop: Feed stop
GC
Global control
GEO
Geometry
GND
Signal ground (electric reference point)
BP
Basic program
GSD
Device master file
GUD
Global User Data
HASH
Is a software procedure for mapping a large quantity of identifiers onto a finite memory
area
HEX
Abbreviation for hexadecimal number
HMI
Human Machine Interface: Mensch-Maschine-Schnittstelle
MSD
Main Spindle Drive
HW
Hardware
HW limit switch
Hardware limit switches
HW Config
SIMATIC S7 tool for configuring and parameterizing S7 hardware within an S7 project
IBN
Commissioning
INC
Increment: Increment
INI
Initialization data (Initializing data)
INTV
Internal multiplication
IPO
Interpolator
ISO code
Special punched tape code, number of holes per character always even
JOG
JOG mode: manual mode for setting up the machine