Programming and Operating Manual (Turning)
16 01/2017
Workpiece coordinate system (WCS)
WCS refers to the coordinate system which is used to describe the geometry of a workpiece in the workpiece program.
The origin of the coordinate system: the X axis is set at the rotating center of the workpiece while the Z axis is set at the
surface of the workpiece.
Relative coordinate system (REL)
In addition to the machine and workpiece coordinate systems, the control system provides a relative coordinate system. This
coordinate system can clear the current coordinate values at any position and has no influence on workpiece machining or
the position of WCS. All axis movements are displayed relative to this position.
Protection levels
Overview
The control system provides a concept of protection levels for enabling data areas. Different protection levels control
different access rights.
The control system delivered by Siemens is set by default to the lowest protection level 7 (without password). If the
password is no longer known, the control system must be reinitialized with the default machine/drive data. All passwords are
then reset to default passwords for this software release.
Note
Before you boot the control system with default machine/drive data, make sure that you have backed up your machine/drive
data; otherwise, all data are lost after rebooting with default machine/drive data.
End user password
(Default password: "CUSTOMER")
End users
Protection level 1 requires a manufacturer password. With this password entry, you can perform the following operations:
● Entering or changing part of the machine data and drive data
● Conducting NC and drive commissioning
Protection level 3-6 requires an end user password. With this password entry, you can perform the following operations:
● Entering or changing part of the machine data
● Editing programs
● Setting offset values
● Measuring tools
If you have not set the password or protection level interface signal, the system sets the protection level to 7 automatically.
With this password entry, you can perform the following operations:
● Editing programs
● Setting offset values
● Measuring tools
You can also set protection level 7 through the PLC user interfaces. For more information, see the
SINUMERIK 808D/SINUMERIK 808D ADVANCED Commissioning Manual.