Siemens SINAMICS G150 Operating Instructions Manual page 546

Maintenance and servicing
11.4 Replacing components
Preparatory steps
● Disconnect the cabinet unit from the power supply.
● Allow unimpeded access.
● Remove the protective cover.
Removal steps
The removal steps are numbered in accordance with the numbers in the diagram.
1. Disconnect the plug-in connections for the fiber-optic cables and signal cables (5 plugs).
2. Remove DRIVE-CLiQ cables and connections at - X41, -X42, -X46 (6 connectors).
3. Take out the retaining screws for the IPD card (2 screws) and remove the IPD card from
4. Remove the retaining screws for the Control Interface Module (2 screws).
When removing the Control Interface Module, you have to disconnect 5 additional plugs one
after the other (2 at the top, 3 below).
CAUTION
When removing, ensure that you do not damage any signal cables.
Installation steps
Installation is the same as removing, however in the reverse order.
CAUTION
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).
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The DRIVE-CLiQ cables should be marked to ensure that they are subsequently correctly
inserted.
plug -X45 on the Control Interface Module.
Converter cabinet units
Operating Instructions, 03/2012, A5E03263466A