Maintenance  09.02 
8-4  Siemens AG    6SE7087-6AK85-1AA0 
  Rectifier/Regenerating Unit    Operating Instructions 
8.2.2 Replacing modules 
WARNING 
 
Modules must only be replaced by qualified persons. 
Modules must not be removed or inserted under a live voltage. 
Non-observance of warning notices can result in death, severe personal injury 
or considerable property damage. 
 
CAUTION 
 
The modules contain electrostatically sensitive devices. You must discharge your own 
body before touching an electronic module. This is best done by touching a conductive 
earthed object (e.g. a bare metal part of the control cabinet) directly beforehand. 
 
 
Replacing modules in the electronics box 
(option) 
♦  Undo the securing screws of the modules 
above and below the insertion /removal aids 
♦  By means of the insertion /removal aids, 
carefully pull the module out of the 
electronics box, making sure that the module 
does not get stuck 
♦  Carefully insert the new module in the guide 
rails until it moves no further in the 
electronics box 
♦  Firmly screw down the module with the 
securing screws above and below the 
insertion / removal aids. 
Slot 3 (Options)
Slot 1 (CUR)
Slot 2 (Options)
Figure 8.5  Electronics box, equipped with CUR (slot 1) 
and options (slots 2 and 3) 
 
AoteWell Automation Sales Team
Buy Siemens PLC HMI Drives at AoteWell.com