A-B 1747-L553
The Allen-Bradley 1747-L553 module is a core component, the central processing unit (CPU), in the SLC 500 series PLC (Programmable logic controller) under the Allen-Bradley brand from Rockwell Automation. It is responsible for executing the control program written by the user and realizing the automatic control of the industrial process.
Product name and description
Product name: Allen-Bradley SLC 500 CPU module
Model: 1747-L553
Product description: The module is the core control unit of SLC 500 series PLC, which has the characteristics of high reliability, powerful function, easy programming, etc., and is widely used in various industrial automation fields.
Main function
Program execution: Execute the control program written by the user’s ladder diagram, structured text and other languages.
Data processing: Processing data from the input module and sending control signals to the output module.
Communication: Communication with other devices (such as HMI, host computer).
Interrupt handling: Handle various interrupt events, such as fault alarm,
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