Appendix 08/2005
Abbreviations
A-996
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
FM Function Module
FM-NC Function Module Numerical Control
FRA Frame block
FRAME Coordinate conversion with the components zero (work) offset, rotation, scaling, mirror-
ing
FST Feed Stop
GUD Global User Data
HD Hard Disk
HHU Handheld unit
HMS High-resolution Measuring System
HW Hardware
I Input
IM Interface Module
IM S/R Interface Module (S=send/R=receive): Interface module for transmitting and receiving
data
INC Increment
I/RF Infeed/Regenerative Feedback unit
ISO code Special punched tape code, number of holes per character always even
K1...K4 Channel 1 to channel 4
KUE Gear ratio
Kv Servo gain factor
LAD Ladder diagram
LCD Liquid Crystal Display: Opto-electronic display with liquid crystals
LEC Leadscrew Error Compensation
LED Light Emitting Diode
LUD Local User Data
MB MegaByte
MC Measuring Circuit
MCP Machine Control Panel
MD Machine Data
MDI Manual Data Input
MLFB Machine-readable product designation
MMC Man-Machine Communication: User interface on numerical control systems for operator
control, programming and simulation
Mode group Mode groups
MPF Main Program File: NC part program (main program)
MPI Multi-Point Interface
MSD Main Spindle Drive