Siemens SINUMERIK 840C Operator's Manual page 134

01.99
Table 4-6 How SINGLE BLOCK and DEC SINGLE BLOCK work
Traversing blocks
Blocks without position data
Arithmetic blocks
Switching and auxiliary function blocks
Blocks generated within the circuit / CRC .3)
Blocks generated within the control / CRC... 3)
Threading blocks without dry run feedrate
1) Single block
2) Single block: A stop comes into effect only at the end of a current block without thread.
3) With tool radius compensation.
• Blocks can no longer be stopped if they have been preprocessed in the buffer memory but not yet
executed without the "Decoding single block" being present.
• A "Decoding single block" can be modified by "Overstore".
© Siemens AG 1999 All Rights Reserved
SINUMERIK 840C, OEM Version for Windows (BA)
Block type
Note
With some functions (e.g. contour definition, tool radius compensation, soft
approach to contour) additional blocks are inserted by the control. Depending
on the number of insertions, the NC START key may have to be pressed
several times.
Single block
X 1 )
X 1 )
X 1 )
X 1 )
2 )
X 1 )
6FC5198-6AA60-0BP1
4 Machine
Decoding single
block
X 1 )
X 1 )
X 1 )
X 1 )
X 1 )
X 1 )
X 1 )
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