Siemens SINUMERIK 840D sl Programming Manual page 142

Fundamentals
2.7 Feed control
● Without preprocessing stop in the part program via system variables:
Note
If G95 is not active, the $P_FZ and $AC_FZ variables will always return a value of zero.
142
$AC_FZ Tooth feedrate effective when the current main run block was prepro‐
cessed.
$AC_F_TYPE Path feedrate type effective when the current main run block was pre‐
processed.
Value:
0
1
2
3
11
33
$P_FZ Programmed tooth feedrate
$P_F_TYPE Programmed path feedrate type
Value:
0
1
2
3
11
33
Meaning:
mm/min
mm/rev
inch/min
inch/rev
mm/tooth
inch/tooth
Meaning:
mm/min
mm/rev
inch/min
inch/rev
mm/tooth
inch/tooth
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
NC programming