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10.2 Measuring functions
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Siemens AG 2000 All Rights Reserved
SINUMERIK 840D Installation and Start-Up Guide (IAD) – 04.00 Edition
!
Important
The NCK is in the “Follow-up” state during traversing motions with the start-up
tool.
Neither the software limit switches nor the working field limitations are moni-
tored in this state.
Prior to initiating traversing motions with the start-up tool, the start-up engineer
must position the axes such that the start-up tool traversing range limits (which
are monitored) are not exceeded. Thus collisions on the machine can be pre-
vented.
Note
The user must ensure that
S the EMERGENCY STOP button is within reach.
S there are no obstacles in the traversing path.
Traversing motions can normally be aborted with
S NC–STOP key
S RESET key
S STOP softkey in any basic display.
or by canceling the
S controller enabling command
S drive enable signal
S traverse enabling signal
S feed or spindle enabling command
or with the 0% position on the feedrate override switch or 50% position on the
spindle override switch.
NCK or drive alarms (e.g. “Function abort by NC”) likewise cause a traversing
motion to be aborted. For further details, please refer to Section 10.4 “Aborting
measuring functions” or in:
References: /DA/, Diagnostics Guide
!
Important
NC JOG mode must be selected when measuring functions are started, thus
ensuring that no axis or spindle can be moved by the part program.
10 Drive Optimization with Start-Up Tool
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