Siemens SINAMICS DCM Betriebsanleitung Seite 416

Functions, monitoring and protective functions
7.3 Block diagrams
Note
Fault current and insulation monitoring
The basic version does not include fault current monitors; they can be ordered as an option
(L82 for grounded networks). Insulation monitoring must be installed for use in non-grounded
IT networks in accordance with the applicable regulations. Options L87 or L88 are available
for this purpose.
104
Operating Instructions, 04/2015, A5E36161239/RS-AA/001
SINAMICS DCM Cabinet