Siemens SINUMERIK 828D Service Manual page 156

Appendix
B.1 List of abbreviations
Abbreviation Meaning
LEC Leadscrew Error Compensation
LED Light Emitting Diode
LUD Local User Data
MAIN Main program
MB Megabyte
MCP Machine Control Panel
MCS Machine Coordinate System
MD Machine data
MDA "Manual Data Automatic" operating mode
MLFB Machine-readable product designation
MPF Main Program File
MPI Multi Point Interface
NCK Numerical Control Kernel
NCU Numerical Control Unit
OEM Original Equipment Manufacturer
OPI Operator Panel Interface
PCU Programmable Control Unit
PG Programming device
PI Program Instance
PLC Programmable Logic Control
POU Program organization unit
PPU Panel Processing Unit
QEC Quadrant Error Compensation
REF POINT "Reference point approach" in JOG mode
REPOS "Repositioning" in JOG mode
RPA R parameter Active
RTC Real Time Clock
SBL Single Block
SBR Subroutine
SD Setting Data
SDB System Data Block
SEA Setting Data Active
SK Softkey
SLM Smart Line Module
SPF Subprogram file
SRAM Static Random Access Memory
SW Software
TEA Testing Data Active
TO Tool Offset
TOA Tool Offset Active
TM Tool Management
TMMG Tool Magazine Management
156
Explanation
Leadscrew error compensation
Light-emitting diode
Local user data
Main program (OB1, PLC)
Machine control panel
Manual input
Main program (NC part program)
Multi-Point Interface
Numerical control kernel
NCK hardware unit
Programmable logic controller
in the PLC user program
Panel-based control
Quadrant error compensation
Memory area on the NCK for R parameter numbers
Real-time clock
Single block
Subroutine (PLC)
Identifier (file type) for setting data
Subprogram (NC)
Static memory block
Identifier for machine data
Tool offset
Identifier (file type) for tool offsets
Service Manual, 03/2010, 6FC5397-5DP20-0BA0
Hardware and Software