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Rockwell: EtherNet/IP communications auxiliary

07 November 2011

Rockwell Automation has launched a EtherNet/IP Communications Auxiliary. The module, an EtherNet/IP-to-DeviceNet link, allows products that sit on a DeviceNet network (eg, Bulletin 193 E3 Plus Overload Relays or 825-P Electronic Overload Relays) to easily communicate with EtherNet/IP-based scanners

Rockwell Automation has launched a versatile EtherNet/IP Communications Auxiliary. The new module, an EtherNet/IP-to-DeviceNet link, allows products that sit on a DeviceNet network (e.g., Bulletin 193 E3 Plus Overload Relays or 825-P Electronic Overload Relays) to easily communicate with EtherNet/IP-based scanners.

The EtherNet/IP Communications Auxiliary allows up to six DeviceNet-based units to be scanned via Implicit Messaging and can bridge explicit messaging for all nodes on a DeviceNet network. The EtherNet/IP Communications Auxiliary uses an internal web server to configure the module, the DeviceNet network and DeviceNet-connected units that fully support the Parameter Object.

The EtherNet/IP Communications Auxiliary is available as a single Ethernet port or dual Ethernet port module with RJ-45 ports to connect to Ethernet cable, meeting CAT5 or above. Rockwell Automation offers a wide variety of Allen-Bradley Ethernet patch cables with its Bulletin 1585 line of Ethernet cables.

The dual-port 193-DNENCATR Module also supports a Ring Ethernet topology in which all Ethernet nodes are wired in series with one another. It can be used in the Rockwell Automation’s Device Level Ring (DLR) as a slave device in which the EtherNet/IP network will still continue to communicate, even in the event that one of the network lines is disrupted.

Steve Pethick, Rockwell Automation Director of Components for EMEA, explains: “Many of our customers, particularly in the food processing sector and in the water industry, have asked for a way to add field devices into their Integrated Architecture solution using EtherNet/IP. This device helps them to do just that; simply, quickly and cost effectively.”

Both devices support a Star Ethernet topology in which all Ethernet nodes wire back to a central Ethernet switch, hub, or router. Rockwell Automation also offers a line of managed and unmanaged Allen-Bradley Ethernet Switches with its Stratix range.


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