Gigabit-speed industrial Ethernet protocol: A look inside

Look inside CC-Link IE (industrial Ethernet) Gigabit-level controller network with the table below.


Look inside CC-Link IE (industrial Ethernet) Gigabit-level controller network with the table below. Other resources follow the table.

Inside a CC-Link IE industrial Ethernet controller network

Basic communication function

Network common memory for cyclic real-time communication. And transient (non real-time) communication

Transmission speed/data link control

1Gbps/based on Ethernet standard

Network topology/reliability

Dual loop, fiber optic cable


IEEE 802.3z multimode fiber optic cable (GI)


IEC 61754-20, LC connector

Media access control

Token passing

Size of network common memory

Up to 256K bytes

Number of stations per network

Up to 120 stations

Distance between 2 stations

Up to 550 meters cable length

Number of interconnected networks

Up to 239 networks (w/120 stations ea.)

Source: Control Engineering with information from CC-Link

Read more from Control Engineering on this topic. Gigabit Ethernet: Is the Time Right? Engineers drove the development of gigabit Ethernet, but it’s use is not always practical. This article will help guide the decision-making process. Includes links to related stories.

– Edited by Mark T. Hoske , editor in chief
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