Rock Products

JUN 2013

Rock Products is the aggregates industry's leading source for market analysis and technology solutions, delivering critical content focusing on aggregates-processing equipment; operational efficiencies; management best practices; comprehensive market

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Industrial Ethernet Switch Integrates Multiple Machines, Single Network The integration of machines onto a plant's network architecture can prove difficult as OEM IP‐address as‐ signments rarely match those of the end‐user network IP‐address require‐ ments. This is challenging for the ma‐ chine builder and end user as IP addresses are generally unknown until the machine is being installed, which can add cost and time to the commissioning of the equipment, and delay moving that equipment into production. Rockwell Automation has addressed this challenge with the Allen‐Bradley Stratix 5700 managed industrial Eth‐ ernet switch, which now includes an optional integrated Network Address Translation (NAT) feature. The hardware‐based NAT feature al‐ lows for high performance and sim‐ plified integration of IP‐address mapping from a set of local, machine‐ level IP addresses to the end user's broader plant‐process network. This can greatly benefit manufacturers that are integrating identical ma‐ chines into a production line, espe‐ cially when multiple equipment builders are being integrated into a common production line. The Stratix 5700 switch NAT feature allows OEMs to deliver their standard machines to customers without hav‐ ing to program unique IP addresses into them. The end user can then use the NAT feature to more simply inte‐ grate the machines into the larger net‐ work. Because the machines are identical to their standards, they are easier to maintain. "In addition to integrating NAT into the Stratix 5700 switch, we are able to offer customers an optimized solution by eliminating the need for additional components that require extra cabinet space, extra wiring, and additional con‐ figuration and management support. Additionally, the NAT setup is part of the overall switch configuration envi‐ ronment, making it easier to main‐ tain," said Mark Devonshire, product manager for Stratix switches, Rock‐ well Automation. The Stratix 5700 switch with NAT technology also allows users to have the flexibility to segment or isolate network traffic by determining which devices are exposed to the larger net‐ work. By limiting access to certain de‐ vices, they can be isolated from broader network traffic, which can help optimize the network perform‐ ance at the local level. The Stratix 5700 line of switches is currently available with six, 10 and 20 fixed‐port configurations. The product includes features, such as IEEE‐1588 time synchronization, QoS (prioritization) and Resilient Ether‐ net Protocol (REP). Additional features also allow for in‐ creased network availability, and help improve network performance and troubleshooting‐enhanced security. Each Stratix 5700 switch includes: dual‐power inputs, input and output alarms, console port, fiber‐ready SFP slots, DIN rail mount, and operating temperature range of minus 40 C to 60 C. Model options include: NAT, two gig ports, SD flash card, conformal coating, and two different software configurations for a total of 20 differ‐ ent models to best match machine and end‐user applications. Rockwell Automation, ROCKproducts • JUNE 2013 35

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