Siemens SINUMERIK 840D sl Function Manual

Detailed description
2.2 Metric /inch measuring system
Basic logic functions: Velocities, Setpoint/Actual Value Systems, Closed-Loop Control (G2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
31
N270 A10
; Feedrate=100 degrees/min
; Path=10 degrees
; R7=6 s approx.
N280 DO $R8=$AC_TIME
N290 X0.001 A10
; Feedrate=2540 mm/min
; Path=10 mm
; R8=0.288 s approx.
N300 FGREF[A]=360/(2*$PI)
; Set 1 degree=1 inch via the effective radius
N310 DO $R9=$AC_TIME
N320 X0.001 A10
; Feedrate=2540 mm/min
; Path=254 mm
; R9=6 s approx.
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.

Siemens SINUMERIK 840D sl Specifications

General

Control Type	CNC
Number of Axes	Up to 31
Max Number of Channels	10
Interfaces	Ethernet, PROFIBUS, PROFINET, USB
Interpolation	5-axis interpolation
Operating Temperature	0°C to 45°C
Relative Humidity	Up to 95% (non-condensing)
Display	TFT color display, various sizes
Programming Languages	DIN/ISO
Safety Features	Safety Integrated
PLC	Integrated PLC S7-300
Drive Interface	SINAMICS S120
Data Storage	CF card, USB
Operating System	Windows-based