1-8
SIMATIC PC RI25/45, Technical Description
C79000-G7076-C808-01
1.3.3
Opening the System Unit
Figure 1-6 illustrates the arrangement of units in the open housing of the system
unit:
–
motherboard together with with bus module
–
SafeCard monitoring module (optional)
–
3.5” floppy disk drive and hard disk drive
–
power supply
–
fan cage with two fans
Two fans
3.5” floppy disk drive
Rear support for
hard disk drives
(only with RI45)
Bus board
Fan cage
Safe Card
Front drive block
Represented without crossbeam with retainers
Motherboard
Power supply
Figure 1-6 SIMATIC PC RI
First remove the screws at the top. Hold the cover at its front left and right
edges, lift it up and off by sliding it back a little.
Overview of the
Functional Units
Opening the
System Unit
System Unit