PACs with More Memory, Speed, and Processing Functionality

PACs with More Memory, Speed, and Processing Functionality

New series for basic to high-performance process and motion applications

Rockwell Automation reports its new Allen-Bradley ControlLogix 5570 Series PACs have higher performance standards than previous generation controllers, and new options for safety control and operation in extreme environment are due to be released soon.

Higher processing speed is the first advantage listed by Rockwell Automation for its new line of programmable automation controllers (PACs), the Allen-Bradley ControlLogix 5570 Series. The series includes the ControlLogix: 5571, 5572, 5572S, 5573, 5573S, 5574 and 5575 controllers, with “feature-enhanced process, motion, safety and information capabilities” in a common design and the network functionality of the Rockwell Automation Integrated Architecture system.

“With faster processing speeds, the new PACs can provide more timely data for improved decision making,” explained vice president and general manager Kevin Zaba, of Rockwell Automation’s Control and Visualization business. “We continue to improve and build out our offerings within our Integrated Architecture system to help a greater range of customers minimize costs, improve data flow and achieve plantwide optimization.”

The ControlLogix controllers reportedly can increase significantly the volume of data that can be exchanged between the control and supervisory layers in process applications — meaning that more control strategies can be executed. This will in turn increase system performance and improve operators’ and systems’ access to real-time information, thereby improving machine productivity.

For motion control, the ControlLogix 5570 series provides high-speed axis and trajectory planning, for synchronizing complex motion applications. Rockwell indicates that each controller is capable of supporting more than 100 axes of motion and seamlessly integrates through EtherNet/IP and SERCOS network interfaces.

For discrete applications, ControlLogix controllers can achieve scan times that are two to three times faster, increase the range of memory options from 2 MB to 32 MB.

The series will be expanded further in December when Allen-Bradley introduces the GuardLogix 5572S and 5573S controllers. That platform reportedly will provide safety-rated control for safety-related functions up to and including SIL3, PLe CAT IV. GuardLogix PACs will benefit from the introduction of the POINT Guard SIL3 analog input module, designed to provide automation and safety functionality in the POINT I/O system. Users can apply the POINT Guard analog input module to measure temperature, pressure and flow rate for analog safety functions.

All ControlLogix 5570 Series controllers are equipped with on-board display features that provide enhanced diagnostics and run-time information to help ease troubleshooting and increase uptime. The controllers also have improved security features including improved data integrity and faster data transference with a one-GB secure digital card.

Then, in January 2012, Rockwell will release the ControlLogix 5573XT PAC for operations in extreme environments. The 5573XT is rated for an extended temperature range (-25° to 70°C) and is coated for use in high humidity and corrosive environments. The 5573XT also cuts energy costs in traditional manufacturing environments by negating the need for additional heating or cooling systems.

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