L
PMS Position Measuring System
LR Position controller
LSB Least Significant Bit: Least significant bit
LUD Local User Data: User data (local)
M
MAC Media Access Control
MAIN Main program: Main program (OB1, PLC)
MB Megabyte
MCI Motion Control Interface
MCIS Motion Control Information System
MCP Machine Control Panel: Machine control panel
MD Machine Data
MDA Manual Data Automatic: Manual input
MDS Motor Data Set: Motor data set
MSGW Message Word
MCS Machine Coordinate System
MM Motor Module
MPF Main Program File: Main program (NC)
MCP Machine control panel
N
NC Numerical Control: Numerical control with block preparation, traversing range, etc.
NCU Numerical Control Unit: NC hardware unit
NRK Name for the operating system of the NC
IS Interface Signal
NURBS Non-Uniform Rational B-Spline
WO Work Offset
NX Numerical Extension: Axis expansion board
O
OB Organization block in the PLC
OEM Original Equipment Manufacturer
OP Operator Panel: Operating equipment
OPI Operator Panel Interface: Interface for connection to the operator panel
OPT Options: Options
OLP Optical Link Plug: Fiber optic bus connector
OSI Open Systems Interconnection: Standard for computer communications
Appendix
A.1 List of abbreviations
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0 1309
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