Siemens SINAMICS S120 Equipment Manual page 256

Maintenance and servicing
9.4 Replacing components
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. Undo the retaining screws for the control module holder and the plug-in electronics
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
When removing the Control Interface Module, you have to disconnect a maximum of 5
further plugs one after the other (2 at the top, 3 below) and the PE connection (1 screw
below).
CAUTION
When removing the unit, ensure that you do not damage any signal cables.
Installation
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.
When dealing with connectors with a lock, make sure that the locking lever is securely
engaged once connected.
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).
The DRIVE-CLiQ cable plugs should be labeled prior to disassembly and reinstalled at their
original slot, since it is necessary to re-perform system identification after changing the
DRIVE-CLiQ cables.
The screw connections for the protective covers must only be tightened by hand.
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module (2 screws and one nut) and remove the control module holder.
maximum).
maximum).
connector –X45 on the Control Interface Module.
Chassis Liquid Cooled Power Units
Manual, (GH7), 01/2011, 6SL3097-4AM00-0BP1