N4: Own channel - only 840D sl
9.2 Stroke control
Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
559
Programming Activation Description
G602
Reach the coarse in-
position window
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
initiation can be varied through the size of interpolation
window (see t'
1
).
G601
Reach the fine in-
position window
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
).
Note
The initial setting of the G group with
G601, G602 and G603 (G group 12) is defined via
machine data:
MD20150 $MC_GCODE_RESET_VALUES[11]
The default setting is
G601.
G603
Depending on velocity and machine dynamics, approximately 3 - 5 interpolation cycles are
processed at the end of interpolation before the axes reach zero speed.
MD26018 $MC_NIBBLE_PRE_START_TIME
In conjunction with the above machine data, it is possible to delay, and therefore optimize,
the instant between reaching the end of interpolation and setting the high-speed output for
"Stroke ON".
The following setting data is available in addition to MD26018:
SD42402 $SC_NIBPUNCH_PRE_START_TIME
SD42402 can be changed from the part program and therefore adapted to the punching
process depending on the progress of the part program run.
The following applies to the delay time:
MD26018 = 0 → SD42402 is operative
MD26018 ≠ 0 → MD26018 is operative
If the "Punching with dwell time,
PDELAYON" is active, then the dwell time programmed in
connection with this function is active. Neither MD26018 nor SD42402 is operative in this
case.
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