Grounding Switch - Siemens SINAMICS PERFECT HARMONY GH180 Reference Manual

No auxiliary power is output when the drive is operational. The auxiliary power is output when
the drive is switched off.
Option
N35
N36
N37
N38
Test procedure
1. The drive is switched off
2. The drive is switched on.
Result
The test is passed if -K38 responds appropriately.
3.2.18

Grounding switch

Fundamentals
Depending on the particular version, the drive is equipped with one or two grounding switches.
The switching logic and switching states of the grounding switch are tested. The procedure is
the same for one or two grounding switches.
SINAMICS PERFECT HARMONY GH180 6SR41 F03 F04 F06 F14 F28 F48 F68 F72 F79 G21 K20 K21 K29 L29 L50 L55 L81 L82 L95 M61
N30 N35 N44 N75 M08 U10 Y15
Reference Manual Rev.201902141441 GH180
-K38 energizes.
-K38 deenergizes.
Power at 230 V 1AC 50 Hz / 120 V 1AC 60 Hz
1.2 / 0.7 kW
2.2 / 1.2 kW
3.5 / 1.8 kW
4.5 / 2.4 kW
Tests
3.2 Function test
29