Siemens SIMATIC Rack PC 840 - The Motherboard

SIMATIC Rack PC 840 Expansions
4-5
SIMATIC Rack PC 840 Manual
A5E00104826-03
4.1.4 The Motherboard
The motherboard is the heart of the Rack PC. Here, data is processed and stored,
and interfaces and device I/Os are controlled and managed.
X303 X22
X23
X31 X36 X700 X400
X30
X134
X20
X42
X43
X3 X4
X5
X1
X50
X260
X11
X7
X40
X28
X29
TTY–Modul
X39
X41
X44
Figure 4-3 Motherboard