Siemens Sinumerik 840D sl Programming Manual page 143

K1 .. K4 Channel 1 to channel 4
C Bus Communication bus
COR Coordinate rotation
LAD Ladder logic (PLC programming method)
Kv Loop gain factor
SRT Transformation ratio
RD Line Feed
PMS Position measuring system
LR Position controller
LUD Local User Data: Local user data
MB Megabyte
MD Machine data
MDA Manual Data Automatic: Manual input
MC Measuring circuit
MCS Machine coordinate system
MMC Man-Machine Communication: User interface on numerical control systems for operator control,
programming and simulation. MMC and HMI mean the same as MMC.
MPF Main Program File: NC part program (main program)
MPI Multi Port Interface: Multi-point Interface
MCP Machine Control Panel
NC Numerical Control: Numerical Control
NCK Numerical Control Kernel: Numerical Control Kernel, with block preparation, traversing range, etc.
ISO Milling
Programming Manual, 06/09, 6FC5398-7BP10-1BA0
Abbreviations
143