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
Product Model
1756-L55M13
Series
Series A
Memory
1.5 MB
I/O Memory
208 KB
Communication Port
1 x RS-232
Operating Temperature
0 to 60 degC (32 to 140 degF)
Storage Temperature
-40 to 85 degC (-40 to 185 degF)
Relative Humidity
5 to 95% non-condensing
Vibration
2 g @ 10 to 500 Hz
Isolation Voltage
30V (continuous)
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.
