Siemens SINUMERIK 840D sl Function Manual

Detailed description
2.3 Setpoint /actual-value system
Basic logic functions: Velocities, Setpoint/Actual Value Systems, Closed-Loop Control (G2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
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For the following machine data, the control does not consider any parameter set nor any
indices for coded encoders.
NewConfig-dependent machine data Description
MD31064 $MA_DRIVE_AX_RATIO2_DENOM (Intermediate gear denominator)
MD31066 $MA_DRIVE_AX_RATIO2_NUMERA (Intermediate gear numerator)
MD31044 $MA_ENC_IS_DIRECT2 (Encoder on intermediate gear)
MD32000 $MA_MAX_AX_VELO (Maximum axis velocity)
MD34080 $MA_REFP_MOVE_DIST (Reference point distance)
MD34090 $MA_REFP_MOVE_DIST_CORR (Reference point offset)
Note
These machine data can be activated in parts programs with the command NEWCONF or via
the HMI operator panel using a soft key.
Variants of actual-value acquisition
The relevant machine data and relational calculations for the different methods of actual-
value acquisition are described in the following.

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