Industrial Ethernet at a glance
Level: Field, device
Speed: 10 Mbps using IEEE 802.3 standard; 100 Mbps using IEEE 802.3u standard
Network size: 2 km over fiber-optic cable at maximum two nodes per segment
Installed base: Most popular physical layer LAN technology
Organizations and websites: Industrial Ethernet Association at www.IndustrialEthernet.com ; Industrial Automation Open Networking Alliance (IAONA) at www. www.iaopennetworking.com ; and the Gigabit Ethernet Alliance at www.gigabit-ethernet.org
Outlook: Supporters expect legacy bus networks with 2 Mbps upper limit and shared 10 Mbps Ethernet to be replaced by 10 Mbps switched Ethernet increasing to 100 Mbps as need dictates. Ethernet is also expected to extend its reach closer to intelligent devices and remote I/O devices.
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