Siemens 7VK512

-AINTENANCE AND FAULT TRACING6+
6

#
' #
 2EPLACING THE MINI FUSE
3ELECT A REPLACEMENT FUSE  }  MM %NSURE
THAT THE RATED VALUE TIME LAG MEDIUM SLOW AND
CODE LETTERS ARE CORRECT &IGURE 
0REPARE AREA OF WORK PROVIDE CONDUCTIVE SURFACE
FOR THE BASIC MODULE
/PEN HOUSING COVER
(AZARDOUS VOLTAGES CAN BE PRESENT IN
THE DEVICE EVEN AFTER DISCONNECTION OF
THE SUPPLY VOLTAGE OR AFTER REMOVAL OF THE
MODULES FROM THE HOUSING STORAGE CA
PACITORS

7ARNING
,OOSEN THE BASIC MODULE USING THE PULLING AIDS
PROVIDED AT THE TOP AND BOTTOM &IGURE 
%LECTROSTATIC DISCHARGES VIA THE COMPO
NENT CONNECTIONS THE 0#" TRACKS OR THE
CONNECTING PINS OF THE MODULES MUST BE
AVOIDED UNDER ALL CIRCUMSTANCES BY PRE
VIOUSLY TOUCHING AN EARTHED METAL SUR
FACE

#AUTION
0ULL OUT BASIC MODULE AND PLACE ONTO THE CONDUC
TIVE SURFACE
2EMOVE BLOWN FUSE FROM THE HOLDER &IGURE 
&IT NEW FUSE INTO THE HOLDER &IGURE 
)NSERT BASIC MODULE INTO THE HOUSING ENSURE THAT
THE RELEASING LEVER IS PUSHED FULLY TO THE RIGHT BE
FORE THE MODULE IS PRESSED IN &IGURE 
&IRMLY PUSH IN THE MODULE USING THE RELEASING LE
VER &IGURE 
#LOSE HOUSING COVER
3WITCH ON THE DEVICE AGAIN )F A POWER SUPPLY FAILURE
IS STILL SIGNALLED A FAULT OR SHORT
CIRCUIT IS PRESENT IN
THE INTERNAL POWER SUPPLY 4HE DEVICE SHOULD BE RE
TURNED TO THE FACTORY SEE #HAPTER 
2EAR VIEW ON THE
REMOVED MODULE
  !%
  !%
  !'
-INI FUSE OF THE POWER SUPPLY
MEDIUM SLOW -
AT 5
(.
6
RATED
VALUE
&IGURE  -INI
FUSE OF THE POWER SUPPLY