Installing hardware expansions 
  6.5 Disk drives 
SIMATIC IPC547D 
Operating Instructions, 06/2011, A5E03473780-01 
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4.  Secure the drive or the removable rack to the slot with 4 screws. 
The screws to be installed on the right side of the slot for a maximum configuration are 
highlighted in the following figure. 
 
5.  Install the driver module again. 
6.  Connect the power and data cables to the drive. 
6.5.4  Removing and installing the drive from the removable rack 
Requirement 
●  T10 screwdriver 
Procedure - Removing drive from the removable rack 
1.  Turn the locking switch ① to the "OPEN" position.