Functional Expansions - Siemens SINUMERIK 840D sl Function Manual

N4: Own channel - only 840D sl
10.3 Activation and deactivation
SPIF1 activates the first punch interface, i.e. the stroke is controlled via the first pair of high-
speed I/Os (see Section "Channelspecific machine data (Page 650)", MD26004 and
MD26006).
The first punch interface is always active after a reset or control system power up. If only one
interface is used, then it need not be programmed.
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 Section "Channelspecific machine data (Page 650)", MD26004 and
MD26006).
Programming example:
Program code
:
N170 SPIF1 X100 PON
:
:
N180 X800 SPIF2
:
:
N190 SPIF1 X700
:
10.3.2

Functional expansions

Alternate interface
Machines that alternately use a second punching unit or a comparable medium can be
switched over to a second I/O pair.
The second I/O pair can be defined via the following machine data:
MD26004 $MC_NIBBLE_PUNCH_OUTMASK
MD26006 $MC_NIBBLE_PUNCH_INMASK
The interface is switched by command SPIF1 or SPIF2.
Full punching/nibbling functionality is available on both interfaces.
Example:
Hardware assignment for stroke control
622
Comment
; At the end of the block, a stroke is initiated at the
first fast output. The "Stroke active" signal is monitored
at the first input.
; The second stroke is initiated at the second fast output.
The "Stroke active" signal is monitored at the second input.
; All further strokes are controlled with the first inter-
face.
Function Manual, 10/2015, 6FC5397-1BP40-5BA3
Extended Functions