Program Control - Siemens SINUMERIK 840Di sl Operating Manual

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01/2008
Passwords
References

2.2.6 Program control

Cycle Start
Cycle Stop
Single Block
© Siemens AG 2008 All rights reserved.
SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition
As an additional option for setting access authorization, it is possible
to enter three passwords in the "Commissioning" operating area.
If the password is set, the key-operated switch positions are irrelevant.
/IAD/, Commissioning Manual 840D.
NC Start
If you press the "NC Start" key, the selected part program (part
program name is displayed in header) is started at the current block
and the associated LED lights up.
NC stop
If you press the "NC Stop" key, processing of the active part program
is halted and the associated LED lights up.
After this, you can continue processing with NC Start.
Single block
This function allows you to execute a part program block by block.
You can activate the "Single Block" function in "Automatic" and "MDA"
modes. If single block is activated, the associated LED on the
machine control panel lights up.
• If single block execution is active, Stop is displayed on the screen
in the cycle (in the program control line)
• The message "Stop: Block completed in single block" is displayed
in the channel operational message line (in interrupt state).
• The current block in the part program will not be executed until you
press the "NC Start" key.
• Program processing is stopped after one block is executed.
You can execute the next block by pressing the "NC Start" key again.
You can deselect the function by pressing the "Single block" key
again.
Operator Components/Operating Sequences
2.2 Machine control panel (MCP)
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