Siemens Sinumerik 840D sl Function Manual page 111

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Note
When selecting/deselecting SH, motion monitoring functions such as SBH, SG,
n<n , SE, SN are not influenced. For instance, when manually turning a spindle in
x
the SH state, with SBH simultaneously selected, then this results in Alarm 27010.
When required, users must take this into account in the safe programmable logic
(SPL).
Warning
!
After the machine has been powered--up, the safe standstill function must always
be tested for all of the axes/spindles by testing the shutdown path using Safety
Integrated.
© Siemens AG 2015 All Rights Reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition
Safety functions integrated in the system/drive
6.1 Safe standstill (SH)
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