Siemens SINAMICS S120 Manual page 101

NOTICE
Damage to the device through not removing the connection clip with a non-grounded
line supply
Failure to remove the connection clip to the basic interference suppression module on an
ungrounded line supply (IT system) can cause significant damage to the device.
• With a non-grounded line supply (IT system), remove the connection clip to the basic
Removing the connector jumper on the VSM10 Voltage Sensing Module
When operating the Active Interface Module on an ungrounded line supply (IT system), at the
Voltage Sensing Module (VSM10), remove the connector jumper in terminal X530 at the
lower side of the component.
Use two screwdrivers or another suitable tool to relieve the holding springs in the terminal
and then withdraw the connector jumper.
Terminal X530 with connector jumper
Note
Replacing a VSM10 Voltage Sensing Module
When replacing a Voltage Sensing Module VSM10 by one with a different article number,
then inform yourself about the applicable boundary conditions.
Air-cooled chassis power units
Equipment Manual, 06/2020, 6SL3097-5AE00-0BP3
interference suppression module.
Line-side power components
4.6 Active Interface Modules
Relieve the springs and withdraw the connector
jumper
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