Siemens SINAMICS S120 Manual page 497

Preparatory steps
• Disconnect the drive line-up from the power supply
• Allow unimpeded access
• Remove the protective 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
(five connectors).
3. Remove DRIVE-CLiQ cables and connections at –X41/–X42/–X46 (six 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 (two screws) and remove the IPD card from
plug -X45 on the Control Interface Module.
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
Damage to the device if signal cables become damaged during removal
Signal cables can become damaged when the Control Interface Module is removed. This can
cause the device to fail.
• When removing the Control Interface Module, ensure that you do not damage any signal
cables.
Installation steps
To reinstall, perform the above steps in reverse order.
Tightening torque for the retaining screws of the Control Interface Module (M6 x 16, item
⑤): 6 Nm.
Note
Specifications for the installation
The tightening torques specified in the table "Tightening torques for screw connections" must
be observed.
Carefully insert the plug-in 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 labeled to ensure that they are assigned correctly (U11, U21, U31).
Air-cooled chassis power units
Equipment Manual, 06/2020, 6SL3097-5AE00-0BP3
Maintenance and Servicing
10.4 Replacing components
495