Workpiece-Related Actual Value System; Overview; Use Of The Workpiece-Related Actual Value System - Siemens SINUMERIK 840D sl Function Manual

K2: Axis Types, Coordinate Systems, Frames

10.6 Workpiece-related actual value system

10.6 Workpiece-related actual value system
10.6.1

Overview

Definition
The term "workpiece-related actual-value system" designates a series of functions that permit
the user:
● To use a workpiece coordinate system defined in machine data after powerup.
Features:
– No additional operations are necessary.
– Effective in JOG and AUTOMATIC modes
● To retain the valid settings for the following after end of program for the next part program:
– Active plane
– Settable frame (G54-G57)
– Kinematic transformation
– Active tool offset
● To change between work coordinate system and machine coordinate system via the user
interface.
● To change the work coordinate system by operator action (e.g., changing the settable frame
or the tool offset).
10.6.2

Use of the workpiece-related actual value system

Requirements, basic settings
The settings described in the previous Section have been made for the system.
The predefined setting after power-up of the HMI software is MCS.
Switchover to WCS
The change to the WCS via the user interface causes the axis positions relative to the origin
of the WCS to be displayed.
Switchover to MCS
The change to the MCS via the user interface causes the axis positions relative to the origin
of the MCS to be displayed.
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Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions