Bus Board; Design And Mode Of Operation - Siemens Simatic 620 Owner's Manual

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7.6

Bus Board

7.6.1

Design and Mode of Operation

The bus board is designed as a passive link between the motherboard and the
expansion modules
The bus board has two ISA slots and two PCI slots, as well as a shared
ISA /PCI slot. The expansion modules are powered via the link between the bus
board and the motherboard. An external power supply (+5V and +12V) is provided.
Figure 7-10 Bus Board
SIMATIC Box PC 620 Manual
A5E00131465-01
It is mounted by means of two screws.
.
Hardware Information
7-31

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