Patent ID: 8799551
Filing Date: 2014-08-05
Classification: H04L

Abstract:
1. A communication gateway apparatus for a substation automation system, the gateway apparatus comprising: a VERSA Module Eurocard (VME) bus to provide a data communication path; a Peripheral Component Interconnect (PCI)-VME module connected to the VME bus for communication, and having a PCI-VME bus bridge circuit to transfer data of the VME bus to a PCI bus or data of the PCI bus to the VME bus, and configured to serve as a second master for the VME bus with a PCI bus controller connected to the PIC-VME bus bridge circuit; a main module coupled to the PCI-VME module through the VME bus for communication and the main module comprising a VME bus controller configured to serve as a first master for the VME bus, wherein the main module is not a part of the PCI-VME module; and a plurality of input/output modules connected to the VME bus for communication.