Siemens SINUMERIK 802D sl - Page 187

Terms
04.07
B-187
© Siemens AG 2007 All rights reserved
SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition
Coordinate system See --> machine coordinate system, --> workpiece coordinate
system
CPU Central Processor Unit --> programmable controller
Cycle Protected subroutine for executing a recurring machining operation
on the --> workpiece.
Cycles support The available cycles are listed in menu ”Cycle support” in the
”Program” operating area. Once the desired machining cycle has
been selected, the parameters required for assigning values are
displayed in plaintext.
D
Data block 1. Data unit of the --> PLC which can be accessed by -->
HIGHSTEP programs.
2. Data unit of the --> NC: Data blocks contain data definitions for
global user data. These data can be initialized directly when they
are defined.
Data transfer program
PCIN
PCIN is a routine for transmitting and receiving CNC user data, e.g.
part programs, tool offsets, etc. via the serial interface. The PCIN
program can run under MS--DOS on standard industrial PCs.
Data word A data unit, two bytes in size, within a --> PLC data block.
Deletion of
distance--to--go
Command in part program which stops machining and clears the
remaining path distance to go.