Siemens SINUMERIK 840D Function Manual

Functions
2.18 Kneeshaped acceleration characteristic curve
Basic logic functions: Acceleration (B2)
44 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
0 = Constant characteristic
1 = Hyperbolic characteristic
2 = Linear characteristic
The following figures show typical velocity and acceleration characteristic curves for the
respective types of characteristic:
Constant characteristic
Y
UHG
Y
PD[
Y
PD[
Y
UHG
D
PD[
D
UHG
Y
D
Y
W
Figure 2-6 Acceleration and velocity characteristic with acceleration reduction: 0 = constant
Hyperbolic characteristic
Y
PD[
Y
UHG
D
UHG
D
PD[
Y
UHG
Y
PD[
Y
D
Y
W
Figure 2-7 Acceleration and velocity characteristic with acceleration reduction: 1 = hyperbolic

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB