A
10.04 Appendix
Abbreviations
ï›™ Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition A-447
NC
Numerical Control: Numerical control
The NC control comprises the components NCK, PLC, PCU and
COM.
NCK
Numerical Control Kernel: Numerical control kernel
Component of NC control that executes programs and basically
coordinates movements for the machine tool.
OP
Operator Panel: Operator panel
PC
Personal Computer
PCU
Personal Computer Unit
Component of NC control allowing communication between operator
and machine.
PLC
Programmable Logic Control: Programmable logic control
Component of NC control for processing machine tool control logic
PRT
Program Test
REF
Approaching a reference point
REPOS
Repositioning
ROV
Rapid override: Rapid override
RS-232-C
Serial interface
S
Spindle speed
SBL
Single Block: Single block
SI
Safety Integrated
SK
Softkey
SKP
SKiP: Skip block
SPF
Sub Program File: Subroutine
SW
Software
T
Tool
TMZ
Tool Magazine Zero
V
Cutting rate