Hardware descriptions
A.3 Bus board
SIMATIC IPC677E
Operating Instructions, 04/2019, A5E45117996-AA
133
A.3 Bus board
A.3.1 Design and principle of operation of the bus board
The bus board is designed as a link between the motherboard and the expansion cards.
The bus board is available in the following designs:
Information on pin assignment is available in the sections below.
Version 1 (IPC677E; 2 slots)
Slot 1/2 PCI
②
12 V power supply connection; see Pin assignment 12 V power supply connection for expan-
Version 2 (IPC677E; 2 slots)
Slot 1 PCI Express x16
Slot 2 PCI Express x4 (mechanical x16)
③
12 V power supply connection; see Pin assignment 12 V power supply connection for expan-
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