Siemens SINAMICS S120 Manual page 500

Maintenance and Servicing
10.4 Replacing components
Removal
The removal step numbering corresponds to the numbers in the diagrams.
1. Open the service flap for the Control Interface Module (2 screws).
2. Withdraw the plug connectors for the current transformers X431 - X433 (3 plug
connectors).
3. Withdraw the plug connectors for the temperature sensors X31, X32 (·2 plug connectors)
and the fan control X50 (1 plug connector).
4. Withdraw the plug connectors of the fiber-optic cables U11, U21, U31 (3 plug connectors).
5. Withdraw the plug connector for the DC link voltage sensing X60 (1 plug connector).
6. Withdraw the plug connector for the 24 V DC control X271 (1 plug connector at the lower
module).
7. Withdraw the plug connector for the internal fan X272 (1 plug connector at the lower
module).
8. Press the interlocking of the front cover for the signal connections and remove the cover.
9. Remove the retaining screws of the Control Interface Module (5 screws).
You can now remove the Control Interface Module.
NOTICE
Damage to the device if signal cables become damaged during removal
Signal cables can be damaged when withdrawing the Control Interface Module, which can
result in a device failure.
• When withdrawing the Control Interface Module, ensure that you do not damage any
signal cables.
Transferring the IPD card
When replacing the Control Interface Module with a replacement part, after removing the
defective module, the IPD card must be transferred into the replacement part.
The IPD card contains the internal device data; it is not included with a replacement Control
Interface Module.
Remove the IPD Card:
Open the locking mechanism and withdraw the IPD card from the Control Interface Module.
Insert the IPD card:
Insert the IPD card into the slot until the locking mechanism engages.
498
Air-cooled chassis power units
Equipment Manual, 06/2020, 6SL3097-5AE00-0BP3