The A2ACPUR21 is a Network Control Module from Mitsubishi's A Series CPU lineup, designed for effective industrial automation and control applications. This module features input and output functionality but does not include onboard memory. As part of the A Series, the A2ACPUR21 offers robust integration capabilities for various Mitsubishi automation systems, ensuring reliability and efficiency in process control. It is ideal for users looking to enhance their control network with a dependable and streamlined module.