Siemens SINAMICS S120 Manual page 349

Preparatory steps
● Disconnect the drive line-up from the power supply
● Allow unimpeded access
● Remove the front cover
Removal
The removal steps are numbered in accordance with the numbers in the diagram.
1. Remove the mount for the CU320 (one nut).
2. Disconnect the plug-in connections for the fiber-optic cables and signal cables
3. Remove DRIVE-CLiQ cables and connections at –X41/–X42/–X46 (six connectors).
4. Take out the retaining screws for the IPD card (two screws) and remove the IPD card
5. Remove the retaining screws for the Control Interface Module (two screws).
When removing the Control Interface Module, you have to disconnect five additional plugs
one after the other (two at the top, three below).
NOTICE
Do not damage any signal cables
When removing, ensure that you do not damage any signal cables.
Installation steps
Installing is the same as removing, however in the reverse order.
NOTICE
Specifications for the installation
The tightening torques specified in the table "Tightening torques for screw connections"
must be observed.
Carefully insert the plug connections and ensure that they are secure.
The fiber optic cable plugs must be remounted at their original slot. Fiber optic cables and
sockets are accordingly labeled for correct assignment (U11, U21, U31).
Chassis power units
Manual, (GH3), 01/2013, 6SL3097-4AE00-0BP3
(five connectors).
The DRIVE-CLiQ cables should be marked to ensure that they are subsequently correctly
inserted.
from plug -X45 on the Control Interface Module.
Maintenance and Servicing
8.4 Replacing components
347