Siemens SINAMICS G120 Operating Instructions Manual page 68

Low voltage converters, chassis and wall/panel mounted devices with cu230p-2 control units

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Table of Contents

4.4 Installing Power Modules

Inputs are low active.

All signal inputs are low active (wire-break-proof).

If terminals 3 ... 6 are not used, then you must connect 24 V DC to these.

To do this, use an external power supply or terminal 9 on the Control Unit.

The reference potential is connected to terminal X9:2, 7 and terminal 28 on the Control Unit.

Line contactor control

When supplying the main contactor via terminals 11 and 12, separation from the line supply

using a control transformer is not required. A 250 V/8 A fuse in compliance with UL must be

used as protection.

Insulated end sleeves

Insulated end sleeves according to DIN 46228-4 must be used.

Converter with CU230P-2 Control Units

Operating Instructions, 04/2015, FW V4.7 SP3, A5E34257946B AB

Sinamics g120c Sinamics g120p