Siemens SINUMERIK 840D sl Function Manual page 752

Punching and Nibbling (N4)
Activation and deactivation
SPIF2
Activation of second punch interface
SPIF2 activates the second punch interface, i.e. the stroke is controlled via the second pair
of high-speed I/Os (see machine data MD26004 and MD26006).
Programming example:
:
:
N170 SPIF1 X100 PON
:
:
:
:
N180 X800 SPIF2
:
:
:
N190 SPIF1 X700
:
752
; At the end of the block, a stroke is initiated at
; the first high-speed output. The "Stroke active"
; signal is monitored at the first input.
; The second stroke is initiated at the second high-
; speed output. The "Stroke active" signal is
; monitored at the second input.
; All further strokes are controlled with the first
; interface.
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Extended Functions