5
Parameters operating area 01/2008
5.6 Zero/work offset
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© Siemens AG 2008 All rights reserved.
5-238 SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition
5.6.8 Activate active work offset and basic frame immediately
Function
Machine data MD $MM_ACTIVATE_SEL_USER_DATA can be set to
ensure that the work offset and basic frame are made immediately
effective when the part program is in the "Reset" state. This also
occurs if the part program was first switched to JOG status.
If the channel is in the "Reset" state, active work offset and basic
frame are not activated until the part program is continued.
Additional information
When the function is used in the Reset state, MD
$MC_RESET_MODE_MASK must be set such that the settable work
offset or basic frame is not reset when the program switches to Reset.
Machine manufacturer
see the machine manufacturer's information.
/FB/ K2: Axes, coordinate systems, frames
Danger
The offset is applied the next time the part program is started.
5.6.9 Actual value display: Settable zero system, SZS
Function
You can make a setting in the MD to define whether
• The position of the workpiece coordinate system, WCS (=
programmed position, corresponds to default setting) or
• The holding position of the active tool relative to the workpiece
zero (settable zero system = SZS) must be shown in the actual-
value display.
References Commissioning Manual HMI-Advanced (IM4),
Chapter Zero/work offset
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