Replacing The Power Supply; Replacing The Current Transformer - Siemens SINAMICS SL150 Operating Instructions Manual

Maintenance
9.7 Repairs
9.7.7

Replacing the power supply

To replace the power supply, proceed as follows:
1. Disconnect the power supply.
2. Remove all cables.
3. Take the power supply unit off the DIN rail.
4. Snap the power supply unit onto the DIN rail.
5. Reconnect the cables again.
6. Switch on the power supply again.
7. Check the output voltage.
9.7.8

Replacing the current transformer

Removing the current transformer
Figure 9-6
To replace a current transformer, proceed as follows:
1. Switch off the power supply for the current transformers.
2. If the cores do not have core end markings, mark the connecting point.
3. Release the screws
92
Removing the current transformer
①
(4x each) and remove the busbars with fuses.
SINAMICS SL150 6SL38600UL432AA0Z
Operating Instructions Rev.201910281433 EXAMPLE