A new subsystem in Linux 5.2 is Fieldbus Subsystem. It is designed for industrial subsystem or as a part of Industry 4.0. Industry 4.0 is a name given to the current trend of automation and data exchange in manufacturing technologies. It includes cyber-physical systems, the Internet of things, cloud computing and cognitive computing. Industry 4.0 is commonly referred to as the fourth industrial revolution.
This newest subsystem benefits industrial systems. Fieldbus is a set of network protocols. Fieldbus is used for connecting different systems/components/instruments within industrial environments. Fieldbus is used for connecting facilities ranging from manufacturing plants up to nuclear energy facilities. This subsystem will support industrial cards supporting TCP/IP and ethernet like Profinet card
In Pakistan, we need to learn technologies associated with Industry 4.0. This is the only way to move forward as Bangladesh and Malaysia are way ahead as they are implementing it within their Textile Industries.
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As part of this initial subsystem is support for the HMS Profinet Card. PROFINET is based on Ethernet and uses TCP/IP paired with specialized protocols designed for delivering real-time performance and the ability to integrate with other Fieldbus systems.
The Linux kernel's Fieldbus subsystem has gone through over ten rounds of public revisions in recent months and has been deemed ready to premiere with Linux 5.2. Greg Kroah-Hartman has queued the code coming in at approximately three thousand lines to his staging-next branch ahead of the Linux 5.2 merge window opening in May. Linux 5.2 stable should debut in July.