Compact GuardLogix Safety System

Allen Bradley GuardLogix® controller is a CompactLogix™ controller slcpowersupplythat also provides safety control. As part of the Logix family, Compact GuardLogix controllers use a common control engine with a common development environment to provide high performance multi-discipline control for SIL 3 safety applications. GuardLogix Safety PACs offer integrated safety, discrete, motion, drive and process control, as well as seamless connectivity to plant-wide information systems, all in the same controller. Use EtherNet/IP™ or ControlNet™ networks for safety interlocking between GuardLogix controllers. Connect field devices over EtherNet/IP or DeviceNet™ networks.



  • High functionality in an economical platform
  • Provides system-wide integration of standard and safety control
  • Compatible with ArmorBlock® Guard I/O™ or CompactBlock™ Guard I/O modules for field device connectivity on EtherNet/IP™ or DeviceNet™ networks
  • Supports safety interlocking between GuardLogix® controllers over EtherNet/IP or ControlNet™ networks
  • Integrated safety and motion capabilities in a single controller


  • 1768 Compact GuardLogix Controllers
  • 1768, 1769 CompactLogix™ Communication Modules
  • 1769 Compact I/O™ Modules
  • 1768 CompactLogix Motion Modules
  • 1768, 1769 CompactLogix Power Supplies


  • c-UL-us, CE, C-Tick, ATEX, KC, Functional Safety


CompactLogix L4x & L4xS Controllers

Bulletin 1768 CompactLogix™ and Compact GuardLogix® controllers are ideal for small to mid-size applications that require safety, motion, and/or complex communications. They use the same RSLogix™ 5000 programming software that other Logix controllers use, so you can easily duplicate and scale existing programs to run on the CompactLogix and Compact GuardLogix platforms. These controllers offer integrated serial, EtherNet/IP™ or ControlNet™ channels, and modular DeviceNet™ communications. They support as many as 30 I/O modules and as many as 16 motion axes.

CompactLogix Communications

Bulletin 1768 and 1769 CompactLogix™ and Compact GuardLogix® communication modules help you configure your system to exchange information between operating systems and a range of devices and platforms. You can select a CompactLogix or Compact GuardLogix controller with built-in communication ports, or select a coordinating communications module for the networks that meet your needs.

Compact I/O

The Bulletin 1769 Compact I/O™ modules can be used as local and distributed I/O for a CompactLogix™ or MicroLogix™ 1500 controller. Select from a variety of digital, analog and specialty modules. The 16- and 32-point modules provide high-density I/O in a small package. A built-in removable terminal block provides connections to I/O sensors and actuators. I/O wiring can be routed from beneath the module to the I/O terminals.

CompactLogix Motion

Our CompactLogix™ 1768-L4x controllers and the Compact GuardLogix® 1768-L4xS controllers support integrated motion through the 1768 SERCOS™ interface modules. Depending on the controller you select, the SERCOS interface module supports either four or eight axes, two or four feedback axes and six virtual axes. You can communicate with a variety of servo drives over a DeviceNet™ network or an RS-232 serial network.

Power Supplies

Bulletin 1768 CompactLogix™ and Compact GuardLogix® Power Supplies and Bulletin 1769 Compact I/O™ Expansion Power Supplies help keep your system running smoothly. Select power supplies based on the controller and the number of additional I/O banks you're using. If you are using a 1769-L23x controller, you do not need a separate power supply because the controller package includes an integrated power supply.


Frequently Viewed Publications


Integrated Architecture Brochure IA-BR005
Safety Capabilities Brochure SAFETY-BR011
Compact GuardLogix Safety Programmable Controllers Product Profile 1768-PP001
Midrange Architecture System Selection Guide IA-SG001
CompactLogix Selection Guide 1769-SG001
CompactLogix Controllers Technical Data 1769-TD005
1768 CompactLogix System Quick Start Manual IASIMP-QS003
1768 CompactLogix Controllers User Manual 1768-UM001
Compact GuardLogix Controllers User Manual 1768-UM002
Logix5000 Controllers Common Procedures Programming Manual 1756-PM001
Logix5000 Controllers Design Considerations Reference Manual 1756-RM094
GuardLogix Controller Systems Safety Reference Manual 1756-RM093

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