Siemens SINUMERIK 840D Operation & Programming Manual

A
08.02 Appendix
Abbreviations
A
© Siemens AG, 2002. All rights reserved
SINUMERIK 840D/810D Operator's Guide ManualTurn (BAM) – 08.02 Edition A-209
NC
Numerical Control
The NC control comprises the components NCK, PLC, PCU and
COM.
NCK
Numerical Control Kernel
Component of the NC control executing programs and coordinating
the movements of the machine tool.
OP
Operator Panel
PC
Personal Computer
PCU
Personal Computer Unit
Component of the NC control that permits communication between the
operator and the machine.
PLC
Programmable Logic Control
Component of the NC control processing the control logic of the
machine tool
PRT
Program Test
REF
Reference point approach
REPOS
Repositioning
ROV
Rapid Override
RS-232-C (V.24)
Serial interface
S
Spindle speed
SBL
Single Block
SI
Safety Integrated
SK
Soft key
SKP
Skip block
SPF
Subprogram File
SW
Software
T
Tool
TMZ
Tool Magazine Zero
V
Cutting rate

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB