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 (eg, Bulletin 193 E3 Plus overload relays or 825-P electronic overload relays) to communicate with EtherNet/IP-based scanners.
The EtherNet/IP 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. It uses an internal web server to configure the module, the DeviceNet network and DeviceNet-connected units that support the parameter object. Units are available as single or dual Ethernet port modules 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 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.
Many Rockwell Automation customers, particularly in the food processing sector and in the water industry, require a way to add field devices into an Integrated Architecture solution using EtherNet/IP. This device assists them 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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