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01/2008 Operator Components/Operating Sequences
2.2 Machine control panel (MCP)
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© Siemens AG 2008 All rights reserved.
SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition 2-33
2.2.3 Feedrate control
Feedrate rapid traverse override (feedrate override switch)
Control range:
0% to 120% of programmed feedrate.
In rapid traverse, the 100% value is not exceeded.
Settings,
0%, 1%, 2%, 4%, 6%, 8%, 10%, 20%, 30%, 40%, 50%, 60%, 70%,
75%, 80%, 85%, 90%, 95%, 100%, 105%, 110%, 115%, 120%
Feed Stop
Feed stop
If you press the "Feed stop" key:
• Execution of the current program is stopped
• The axis drives are brought to a standstill under control,
The associated LED lights up as soon as feed stop has been
accepted by the control and
The following appears in the header (program control display):
FST (= Feed Stop)
Example:
− In "MDA" mode, an error is detected during execution of a block.
− A tool change is to be carried out.
Feed Start
Feed start
If you press the "Feed start" key:
• The part program is continued in the current block,
• The feedrate is accelerated to the value specified by the program,
• The associated LED lights up as soon as feed start has been
accepted by the control.
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