Siemens SINAMICS S120 Equipment Manual page 120

Air-cooled chassis power units

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Line-side power components

4.7 Active Interface Modules Chassis-2

Damage to the device through not removing the connection clip with a non-grounded line

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 Chassis-2 on a non-grounded line supply (IT

system), at the Voltage Sensing Module (VSM10), remove the plug-in 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 plug-in jumper.

Terminal X530 with connector jumper

interference suppression module.

Relieve the springs and withdraw the connector

Air-cooled chassis power units

Manual, 07/2019, 6SL3097-4AE00-0BP9

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