Siemens SINAMICS S120 Equipment Manual page 414

Service and maintenance
12.3 Service and maintenance for Chassis format components
Preparatory steps
● Disconnect the drive line-up.
● Make sure the power block is accessible.
● Remove the front cover.
Removal
The steps for the removal procedure are numbered in accordance with the previous diagram.
1. Remove the retaining nuts of the supporting plate for the Control Unit and remove the
supporting plate (3 nuts).
2. Disconnect the plug-in connections of the fiber-optic cables and signal cables (5
connectors).
3. Remove DRIVE-CLiQ cables and connections at –X41/–X42/–X46 (6 connectors).
The DRIVE-CLiQ cables should be marked to ensure that they are subsequently correctly
inserted.
4. Take out the retaining screws for the IPD card (2 screws) and remove the IPD card from
-X45 connector on the Control Interface Module.
5. Remove the retaining screws for the Control Interface Module (2 screws).
When removing the Control Interface Module, you must disconnect 5 additional connectors
one after the other (2 at the top, 3 at the bottom).
NOTICE
Device damage as a result of damaged signal cables when removing
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
Installation
To reinstall, perform the above steps in reverse order.
Note
Connecting fiber-optic cables
The fiber-optic cable plugs must be re-inserted at their original slot. Fiber-optic cables and
sockets are accordingly labeled for correct assignment (U11, U21, U31).
412
signal cables.
Manual, 06/2019, 6SL3097-5AL00-0BP1
AC Drive