Siemens SIMATIC IPC677D - 8.5.2 Bus board; 8.5.2.1 Layout and principle of operation

Technical information
8.5 Hardware descriptions
SIMATIC IPC677D
Operating Instructions, 09/2014, A5E32995420-AC
133
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
Slot 1 PCI
②
Slot 2 PCI
③
12 V power supply connection
Variant 2
has one PCI and one PCIe slot.
①
Slot 1 PCI
②
Slot 2 PCI Express x16
③
12 V power supply connection