Siemens SINUMERIK 840D sl Programming Manual page 749

Significance
PON
SON
PONS
SONS
SPOF
PDELAYON
PDELAYOF
PUNCHACC
SPIF1
SPIF2
Job Planning
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
Activate punching.
Activate nibbling.
Activate punching with leader.
Activate nibbling with leader.
Deactivate punching/nibbling.
Activate punching with delay.
Deactivate punching with delay
Activate travel-dependent acceleration.
Parameter:
<Smin>
Minimum hole spacing
<Amin>
Initial acceleration
<Amin> can be greater than <Amax>.
<Smax>
Maximum hole spacing
<Amax>
Final acceleration
<Amax> can be greater than <Amin>.
Activate first punching interface.
The stroke is controlled using the first pair of fast I/O.
Activate second punching interface.
The stroke is controlled using the second pair of fast I/O.
Note:
The first punch interface is always active after a RESET or control system
power up. If only one punching interface is used, then it need not be
programmed.
Punching and nibbling
12.1 Activation, deactivation
749