Siemens SINUMERIK 840D sl Function Manual

Detailed Description
2.1 Spindle modes
Basic logic functions: Spindles (S1)
20 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Acceleration
The dynamic response during positioning can be modified by programming or by
synchronized actions:
ACC[Sn]
Programming or synchronized action
ACC[Sn]=0
the configured acceleration is active
n: Spindle number, 0 ... max. spindle number
Positioning from rotation
The spindle can be in speed control mode or in position control mode when positioning starts
(SPOS, M19 or SPOSA command in the program).
The following sequence is obtained:
Case 1: Spindle in speed control mode, encoder limit frequency exceeded
Case 2: Spindle in speed control mode, encoder limit frequency not exceeded
Case 3: Spindle in position control mode
Case 4: Spindle speed ‹ Position-control activation speed
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Figure 2-2 Positioning from rotation

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