The Allen-Bradley 1756-L55M13 is a high-performance Logix5555 controller designed for the ControlLogix platform. This processor module provides 1.5 MB of user memory and 208 KB of I/O memory, supporting complex automation tasks and high-speed control applications in industrial environments.

Features

• Integrated 1.5 MB memory for user programs and data.
• Dedicated 208 KB I/O memory for efficient data handling.
• Features one RS-232 serial communication port for local configuration or device integration.
• Designed for seamless integration into the 1756 ControlLogix chassis system.
• Robust design suitable for demanding industrial control environments.

Technical Specifications

Installation Guidelines

• Ensure the ControlLogix chassis is powered down before inserting or removing the processor module to prevent electrical damage.
• Align the module carefully with the chassis slot guides and seat it firmly to ensure proper backplane connection.
• Maintain proper ventilation within the control cabinet to ensure operating temperatures remain within the 0 to 60 degC range.
• Use shielded communication cables for the RS-232 port to minimize electromagnetic interference (EMI).
• Handle the module using ESD-safe practices to protect internal circuitry from electrostatic discharge.

FAQ

What is the primary function of the 1756-L55M13?
This is a ControlLogix 5555 controller module used to execute control logic, manage I/O data, and facilitate communication within an Allen-Bradley ControlLogix automation system.

Does this module require a specific chassis?
Yes, it is designed for installation into a standard 1756 ControlLogix chassis. It occupies a single slot in the rack.

What does the 'Series A' designation mean?
Series A indicates the hardware revision level of the module. When replacing an existing unit, it is recommended to match the series and firmware version for compatibility.