Patent ID: 9015367
Filing Date: 2015-04-21
Classification: G05B,G06F,H04L

Abstract:
1. A fieldbus gateway using a virtual serial fieldbus port for at least one first device to read/write target data synchronized with at least one second device, comprising: a storage module; at least one first fieldbus port connected with each of the second devices/first devices; at least one second fieldbus port connected with each of the first devices/second devices, at least one of the first fieldbus ports and the second fieldbus ports being a virtual serial fieldbus port; at least a third data processing module for periodically receiving the target data via the first fieldbus ports; an access control module for storing the target data received by the third data processing modules at a specified address corresponding to the first devices/the second devices in the storage module, and for reading the target data from the specified address; and at least one fourth data processing module for periodically transmitting the target data read out by the access control module via the second fieldbus ports.