Siemens SINAMICS S120 Equipment Manual page 297

Note
These instructions apply only to order numbers 6SL3320–1Txxx–xAA3.
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 figure.
1. Remove the mount for the CU320 (1 nut).
2. Disconnect the plug-in connections for the fiber-optic cables and signal cables (5 plugs).
3. Remove the DRIVE-CLiQ cables and connections on –X41 / –X42 / –X46 (6 plugs).
4. Take out the retaining screws for the IPD card (2 screws) and remove the IPD card from
5. Remove the retaining screws for the Control Interface Module (2 screws).
When removing the Control Interface Module, you have to disconnect 5 further plugs one
after the other (2 at the top, 3 below).
CAUTION
When removing the unit, ensure that you do not damage any signal cables.
Installation steps
For installation, carry out the above steps in reverse order.
CAUTION
The tightening torques specified in the table "Tightening torques for connecting current-
conducting parts" must be observed.
Carefully establish the plug-in connections and then ensure that they are secure.
The screw connections for the protective covers must only be tightened by hand.
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), 10/2008, 6SL3097-2AE00-0BP3
connector –X45 on the Control Interface Module.
Maintenance and Servicing
8.4 Replacing components
297