Siemens SINUMERIK 840D Function Manual

Detailed description
2.4 Frames
Basic logic functions: Axes, coordinate systems, frames (K2)
66 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
$P_PFRAME : $P_ISO4FRAME : $P_CYCFRAME
2.4.4.2 Configurable SZS
The function of the SZS coordinate system is to display actual values and move the axes
during a cycle interruption. Cycles utilize frames in the frame chain to perform their functions.
They input translations or rotations into either the programmable frame or the cycle system
frame. The WCS is, therefore, modified by cycles. A user who uses Stop to interrupt a cycle,
however, does not wish to traverse in the "cycle coordinate system", but in the programmed
WCS. This is why the SZS is used for the display. For reasons of compatibility, the SZS is
made configurable.
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(16
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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