12.2010 Configuration and Connection Examples
Siemens AG 6SE7087-6QX70 (Version AM)
SIMOVERT MASTERDRIVES Compendium Motion Control 2-55
2.4.8 Emergency Stop and protective door monitoring on more than one
converter → STO
a) The drives are switched off safely when the protective door is
opened.
b) The drives must be switched off safely by the supplementary safety
function Emergency Stop.
As a result of the risk assessment, the required performance level for
both safety functions has been defined as PLr = d.
The DC link must remain energized in normal operation when the
protective door is open.
Requirement
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