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
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