Siemens SINUMERIK 840D sl Function Manual page 614

N4: Own channel - only 840D sl
10.2 Stroke control
Figure 10-2 Signal chart: Criteria for stroke initiation
The time interval between t
of output A
times.
The diagram above shows the default setting with which the output is set when the "Exact stop
fine window" is reached (G601; default setting of G group 12). The punch initiation times t''
and t'
Programming
G603
G602
G601
614
and t
1
. This cannot be altered, but can be utilized as a lead time for minimizing dead
0
are programmed by means of G602 and G603 (see table below).
1
Activation
Stop interpolation
Reach the coarse in-po‐
sition window
Reach the fine in-posi‐
tion window
is determined by the reaction of the punching unit to setting
2
Description
The interpolation reaches the block end. In this case,
the axes continue to move until the overtravel has been
traversed, i.e. the signal is output at an appreciable in‐
terval before the axes have reached zero speed (see
t" ).
1
The signal is output once the axes have reached the
coarse in-position window. If this criterion is selected for
stroke initiation output, then the instant of stroke initia‐
tion can be varied through the size of interpolation win‐
dow (see t' ).
1
In this case, it can always be ensured that the machine
will have reached a standstill at the instant of punching
provided that the axis data are set appropriately.
However, this variant also results in a maximum dead
time (see t ).
1
Function Manual, 10/2015, 6FC5397-1BP40-5BA3
1
Extended Functions