Siemens SINUMERIK 840D sl Function Manual page 419

N270 A10
N280 DO $R8=$AC_TIME
N290 X0.001 A10
N300 FGREF[A]=360/(2*$PI)
N310 DO $R9=$AC_TIME
N320 X0.001 A10
N330 M30
Note
The variable $AC_TIME contains the time from the start of the block in seconds. It can only
be used in synchronized actions.
Basic logic functions: Velocities, Setpoint/Actual Value Systems, Closed-Loop Control (G2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
2.2 Metric /inch measuring system
; Feedrate=100 degrees/min
; Path=10 degrees
; R7=6 s approx.
; Feedrate=2540 mm/min
; Path=10 mm
; R8=0.288 s approx.
; Set 1 degree=1 inch via the effective radius
; Feedrate=2540 mm/min
; Path=254 mm
; R9=6 s approx.
Detailed description
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