The 1756-L72S is a high-performance GuardLogix Integrated Safety Programmable Automation Controller (PAC). It belongs to the ControlLogix 5570 controller family, combining safety and standard functionalities in a single device.

Key Features

• Integrated Safety: The 1756-L72S features dedicated safety memory. It supports safety functions like safe motion, safe torque off, and emergency stop.
• High Performance: This controller delivers substantial processing power for demanding applications. It offers 4MB of standard memory and 2MB of safety memory.
• Flexible I/O: It supports a wide range of digital and analog I/O modules, allowing for customization based on application needs.
• Communication: The controller provides multiple communication options, including EtherNet/IP, ControlNet, and DeviceNet, ensuring seamless network integration.
• Modular Design: Its modular design simplifies system expansion and customization.
• Safety Certifications: The 1756-L72S complies with various safety certifications, meeting industry standards.

Technical Specifications

• Memory:
  • Standard: 4MB
  • Safety: 2MB
  • Optional nonvolatile storage: 1GB or 2GB
• I/O:
  • Digital I/O, max: 128,000
  • Analog I/O, max: 4,000
  • Total I/O, max: 128,000
• Communication:
  • EtherNet/IP, ControlNet, DeviceNet
  • Network connections depend on the network module used
• Operating Temperature: -20 to 70°C (-4 to 158°F)

Applications

The 1756-L72S is ideal for:

• Machine safety
• Process safety
• Functional safety
• Safety-related control systems