Bus Board; Layout And Principle Of Operation - Siemens SIMATIC IPC677D Operating Instructions Manual

8.5.2

Bus board

8.5.2.1

Layout and principle of operation

The bus board is designed as a link between the motherboard and the expansion cards. It is
secured with five screws.
The following bus board models are available:
Variant 1 has two PCI slots. It can host expansion modules conforming to PCI specification
(Rev. 2.2) for 5 V and 3.3 V modules. All PCI slots are master compatible. The expansion
modules are supplied with power via the bus board to motherboard connection.
①
②
③
Variant 2 has one PCI and one PCIe slot.
①
②
③
SIMATIC IPC677D
Operating Instructions, 09/2014, A5E32995420-AC
Slot 1 PCI
Slot 2 PCI
12 V power supply connection
Slot 1 PCI
Slot 2 PCI Express x16
12 V power supply connection
Technical information
8.5 Hardware descriptions
133