The Allen Bradley CompactLogix Series is a widely used programmable automation controller (PAC) platform designed for efficient, mid-range control applications. Known for its compact footprint and seamless integration with Studio 5000 software, CompactLogix combines powerful processing with flexible I/O and communication options.
We are not authorized by Allen Bradley. All products come with a one year warranty.
CompactLogix controllers are a popular choice for scalable automation systems where performance, flexibility, and space-saving design matter. The FAQs below address common questions to help you select the right CompactLogix components for your application.
The CompactLogix Series is a family of programmable automation controllers (PACs) developed by Rockwell Automation for mid-size control applications. CompactLogix combines processing, I/O, and communication functions into a compact, modular platform.
CompactLogix is designed for smaller, more space-constrained applications, while ControlLogix is geared toward large-scale, high-performance systems. CompactLogix uses integrated controllers and I/O in a compact form factor, whereas ControlLogix uses separate modular components within a chassis. Both systems use the same Studio 5000 software and share common programming logic, making it easy to scale between platforms.
Popular CompactLogix models include the 1769-L3x series, the 5370 series (1769-L30ER, L33ER, L36ERM), and the 5380 series (5069-L3xER). The 5370 models are widely used for standard machine control, while the newer 5380 series offers increased performance, enhanced security, and higher-speed I/O capabilities.
CompactLogix controllers are programmed using Studio 5000 Logix Designer. This software enables configuration, ladder logic programming, motion control setup, and communication mapping. Older firmware versions may require RSLogix 5000, but most modern CompactLogix units are supported by Studio 5000.
Yes. CompactLogix supports local and remote I/O expansion. The 1769 series supports direct left/right I/O module connections, while newer 5380 models use 5069 I/O and can support distributed I/O over EtherNet/IP. Always verify the controller’s I/O capacity and slot limits before expansion.
TCI Supply offers a wide selection of CompactLogix parts, including controllers, power supplies, I/O modules, and communication adapters. Contact us for pricing and availability.
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