Operation On An Isolated-Neutral System (It System) - Siemens SINAMICS S120 Manual

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Operation on an isolated-neutral system (IT system)

To operate a 100 kW Basic Line Module on an isolated-neutral (IT) system, the connection

bracket for the interference suppression capacitor must be removed. The connection bracket

is located on the lower side of the component.

Connection bracket to the interference suppression capacitor has not been removed

If the connection bracket for the interference suppression capacitor is not removed, an error

message might be output via the insulation monitor in the system.

1. Remove the connection bracket to

the noise suppression capacitor using a

Tx25 screwdriver.

Installing the connection bracket for the interference-suppression capacitor

For operation in other line supplies, the connection bracket must be reinstalled and fixed with

a tightening torque of 1.8 Nm.

Booksize Power Units

Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8

2. Withdraw the connection bracket.

4.7 Basic Line Modules with internal air cooling

3. Connection bracket to the interfer-

ence suppression capacitor

Line Modules Booksize

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