1756-L73 Product datasheet 

1756-L73 Functional Description

The ControlLogix 8 MB Controller 1756-L73 represents a high-performance ControlLogix processor within the Logix 5570 series, functioning as a robust Programmable Automation Controller (PAC) engineered for complex industrial applications. This advanced controller supports both standard and high-availability redundant configurations, ensuring maximum system reliability. It demonstrates exceptional scalability with capacity for managing 128,000 digital and 4,000 analog I/O signals, accommodating either local chassis configurations or distributed I/O topologies through various network protocols.

With 8MB of user memory and 0.98MB of dedicated I/O memory, the ALLEN BRADLEY 1756-L73 delivers substantial processing power for demanding automation tasks. The controller's communication capabilities are comprehensive, supporting modern networks including EtherNet/IP, ControlNet, and DeviceNet while maintaining compatibility with legacy systems such as Data Highway Plus and Remote I/O. This versatility makes it an ideal solution for diverse industrial environments requiring seamless integration with existing infrastructure.

The ROCKWELL 1756-L73 ControlLogix Controllers excels in motion control applications through integrated support for SERCOS interface, analog motion sensors, and Ethernet/IP-based motion control. Programming flexibility is ensured through multiple IEC 61131-3 compliant languages including ladder logic, structured text, function block diagram, and sequential function chart. The controller's 32-task execution capability with 100 programs per task enables sophisticated control strategies, while its innovative energy storage technology eliminates the need for battery backup.

Designed for rugged industrial environments, the AB 1756-L73 ControlLogix 8 MB Controller operates reliably within 0-60°C temperature ranges and features robust construction with 2G vibration and 30G shock resistance. Weighing just 0.25kg with a single-slot profile, this controller combines compact dimensions with substantial processing power, making the Machine Control 1756-L73 Allen-Bradley a cornerstone of modern industrial automation systems where reliability, scalability, and performance are paramount requirements.