Technical data

Hardware Information
6-35
SIMATIC Panel PC 670 Computing Unit Equipment Manual
Edition 12/01
6.8 Bus Module
6.8.1 Design and Theory of Operation
The bus module is designed as a passive link between the basic board and the
expansion boards. It is mounted with a screw.
The bus module has a PCI expansion slot and a shared ISA/PCI slot. The power
supply of the expansion boards runs via the connection of the bus module to the
basic board. An external power supply (+5 V and +12 V) is provided.
Figure 6-1 Wiring Backplane