Detailed descriptions
16.2 Bus board
SIMATIC HMI IPC677C
210
Operating Instructions, 04/2013, A5E02722710-04
16.2
Bus board
16.2.1
Layout and principle of operation
The bus board is designed as a link between the motherboard and the expansion modules. It
is secured with five screws.
Two models of the bus board are available:
Variant 1 has two PCI slots (1x short, 1x long). 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
12V power supply connection for WinAC module
②
Slot 2
③
Slot 1
Variant 2 has one PCI and one PCI Express slot.
①
Slot 1 PCI
②
Slot 2 PCI Express x16
③
12V power supply connection for WinAC module