A-B 1756-L55M13The A-B 1756-L55M13 module is A processor module of the ControlLogix family produced by Rockwell Automation (Allen-Bradley, A-B). It is a high-performance controller that is widely used in the field of industrial automation to control a variety of complex industrial processes.
​Product name
English: Rockwell Automation ControlLogix 5555 processor module
English: Allen-Bradley ControlLogix 5555 Processor Module
Product description
The 1756-L55M13 module, a member of the ControlLogix 5555 family, offers powerful processing power, flexible I/O configuration, and a wealth of features to meet the needs of a wide range of industrial automation applications. This module is commonly used to build medium to large scale automation systems, such as manufacturing, process industries, etc.
​Main features:
​High-performance processor: A high-performance processor that can efficiently handle complex control algorithms.
Large capacity memory: provides sufficient memory space, supports complex control programs and a large amount of data storage.
Flexible I/O configuration: Various types of input and output modules can be flexibly configured to meet different I/O requirements.
Rich functions: Supports a variety of communication protocols, such as EtherNet/IP, Modbus, etc., can communicate with other devices.
High reliability: Industrial design, with high reliability, suitable for harsh industrial environment.
Product parameters and specifications
Processor: High-performance processor
Memory: 1.5MB RAM

Maximum I/O: 128,000
Maximum analog I/O: depends on the configuration