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Publication 1747-SG001D-EN-P — January 2009
Selecting Network
Communications
Step 2 - Select:
networks
communication modules
appropriate communication cables
Rockwell Automation offers many control and communications media products to
help you integrate plant operations. The SLC 500 family features communications
modules and devices which provide support for different networks, including EtherNet/IP,
ControlNet, DeviceNet, DH+, DH-485, Universal Remote I/O and serial networks.
NetLinx Open
Network Architecture
NetLinx Open Network Architecture is the Rockwell Automation strategy of using open
networking technology for seamless, top-floor to shop-floor integration. The NetLinx-
based networks – DeviceNet, ControlNet, and EtherNet/IP – all use the Common
Industrial Protocol (CIP), so they speak a common language and share a universal set
of communication services. NetLinx architecture, part of the Integrated Architecture,
seamlessly integrates all the components in an automation system from a few devices on
one network to multiple devices on multiple networks including access to the Internet
– helping you to improve flexibility, reduce installation costs, and increase productivity.
The EtherNet/IP network is an open industrial-networking standard that supports
implicit and explicit messaging and uses commercial, off-the-shelf Ethernet
equipment and physical media.
The ControlNet network allows intelligent, high-speed control devices to share the
information required for supervisory control, work-cell coordination, operator
interface, remote device configuration, programming, and troubleshooting.
The DeviceNet network offers low-cost, high-speed access to plant-floor data from a
broad range of plant-floor devices and a significant reduction in wiring.
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