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Siemens SINUMERIK 840D Operator's Manual Page 102

Computerized numerical control system for machine tools.
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Machine Operating Area
4.5 MDA operating mode
Cycle Start
When "Cycle Start" is pressed, the appropriate travel motions and
functions additionally entered are executed as program blocks. While
the program is being processed, the blocks traversed by the NC are
displayed in the "Current block" window.
2. Manual input of coordinates
Operating sequence
"MDA" mode is selected in the "Machine" operating area.
Save position values/additional functions:
Transfer the coordinates of the traversing positions plus
any additional functions (preparatory functions, auxiliary functions,
etc.) in the program by entering them in the "MDA program" window.
Further information
Changes to the zero offset cause the axis to execute
compensatory motions after Cycle Start.
In the case of G64, the end point response will differ when the
part program is executed in "Automatic" mode.
All the G functions can be used.
SINUMERIK 840D/810D Operator's Guide HMI Embedded (BEM) – 03.04 Edition
 Siemens AG, 2004. All rights reserved


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