Appendix
A.1 Abbreviations
CNC Part 1 (NCK, PLC, drive)
306 Commissioning Manual, 11/2006, 6FC5397-2AP10-2BA0
GUD Global User Data
HMI Human Machine Interface: SINUMERIK operator interface for operating, programming, and simulation
IBN Start up
IPO Interpolator cycle
JOG JOG mode: manual mode for setting up the machine
LAN Local Area Network
LED Light Emitting Diode: light-emitting-diode display
LR Position controller
LUD Local User Data
MAC Media Access Control
MCIS Motion Control Information System
MCP Machine Control Panel
MD Machine data
MSGW Message word
MLFB Machine-readable product designation
MM Motor module
MCP Machine control panel
NC NCK
NCK Numerical Control Kernel: NC kernel with block preparation, travel range, etc.
NCU Numerical Control Unit: NCK hardware unit
IS Interface signal
NX Numerical Extension (axis extension module)
OB Organization block
OLP Optical Link Plug Optical link plug
PIO Process output image
PII Process input image
PCU PC Unit: computer unit
PELV Protective Extra-Low Voltage
PG Programming device
PLC Programmable Logic Control: programmable logic control (component of the CNC controller)
PUD Global Program User Data
PD Process date
RAM Random Access Memory: Random Access Memory (can be read and written)
RDY Ready
REF Reference point
RES Reset
RTCP Real Time Control Protocol
SD Setting Data
SH Safe standstill
SIM Single Inline Module
SBC Safe brake activation
SLM Solution Line Module
SMC Cabinet-mounted sensor module
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