Siemens sinumerik 840D sl Function Manual page 797

Boundary conditions
3.2 Boundary conditions for standard functions
Figure 3-1
• Sequence following block search: If a block search is executed for the block end point of
Figure 3-2
Switching signal output in REPOS block
The user (machine manufacturer) must take appropriate measures, e.g. disable the
switching signal, in order to suppress the activation of the switching signal in the REPOS
block in the constellation described above.
Note
It is the sole responsibility of the user (machine manufacturer) to suppress the output of the
switching signal during repositioning, e.g. after a block search.
References:
You will find a complete description of the block search in:
/FB1/ Function Manual for Basic Functions, Mode Group, Channel, Program Operation,
Reset Response (K1), Program Test
18
Switching signal for part program machining operation
part program block N60, the switching signal is activated on reaching the start position of
the geometry axes.
Switching signal after block search
Special functions: Cycle-Independent Path-Synchronous Signal Output (TE8)
Function Manual, 11/2006, 6FC5397-2BP10-2BA0