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Rockwell has introduced two controllers to provide machine builders and manufacturers with integrated safety, motion, discrete and drive-control capabilities for medium-sized applications.

The Allen-Bradley L43S and L45S Compact Guardlogix programmable automation controllers (PACs) extend capabilities previously available only in the larger Allen-Bradley Controllogix platform and integrate them into a single platform.

These include diagnostics and information capabilities that help reduce nuisance shutdowns and prolonged restarts, as well as a single programming environment for enhanced design and development productivity.

As part of the Rockwell Automation Integrated Architecture system, the Compact Guardlogix controllers use the same configuration, networking and visualisation environment as the company’s larger-scale systems.

This helps provide machine builders and end users with cost-effective integration of a machine or safety application into the plant-wide control system.

The Compact Guardlogix PACs can control as many as eight axes of integrated motion over the Sercos communication network and when used in combination with the Allen-Bradley Kinetix 6200 servo drive, machine builders have access to the drives embedded safety functions, which include safe speed control, safe direction and safe torque off.

The controllers also support the use of the Allen-Bradley Compactblock Guard I/O modules and Allen-Bradley Point Guard I/O modules on Ethernet/IP, enabling fast system configuration and improved sharing of information.

Featuring a 1oo2 safety architecture, the Compact Guardlogix controllers are rated up to Safety Integrity Level 3 (SIL 3) and Performance Level e (PL e) – the highest level of machine safety.

When used with the latest version of Rockwell Software RSLogix 5000 programming software (version 18), the Compact Guardlogix controllers can leverage high-integrity add-on instructions (AOIs) for faster commissioning.

AOIs encapsulate code for common routines into pre-validated modules that can be easily reused, helping to save time and lower the risk of coding errors.

Manufacturers in the life-sciences and food and beverage industries also can use the RSLogix 5000 software available with the Compact Guardlogix PACs to manage revision control, fulfill regulatory requirements and help protect intellectual property.

Rockwell Automation

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