Siemens SINAMICS G150 Довідковий посібник - Сторінка 23

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3.2.6

Sensing the actual DC link voltage

Fundamentals

The DC link voltage actual value sensing is tested.

Test procedure

1. The DC link is charged up to the rated voltage.

2. The actual value sensing devices in the drive measure the voltage.

Result

The test is passed if the displayed value at the test station computer matches the reference

value.

3.2.7

Switching thresholds of the optional temperature evaluation device

Fundamentals

The switching thresholds of the temperature monitoring function are checked.

Test procedure

1. The auxiliary voltage is present.

2. The switching thresholds at the temperature sensor inputs are triggered.

Result

The test is passed if the appropriate messages are displayed on the test station computer. The

tolerance range at the switching thresholds is ±5 K.

3.2.8

Safety shutdown (optional)

Fundamentals

The tests are performed according to IEC 60146-1-1 and IEC 60204-11. The safety shutdown

of the power section is tested according to the category that was ordered.

SINAMICS G150 6SL37102G E11 F72 F76 F79 L45 L50 L57 L68 M54 U11

Reference Manual Rev.201902141443 LV Umrichter

The DC link voltage is displayed at the test station computer in the appropriate parameters.

The following messages are displayed on the test station computer:

– T

: Alarm

– T

: Fault

Tests

3.2 Function test