Mitsubishi A1SJ71QLR21 Network Module for MELSEC A Series

The Mitsubishi A1SJ71QLR21 (A1SJ71QLR21) is a specialized communication network module designed for use with Mitsubishi MELSEC A Series and QnAS Series programmable logic controller systems. Serving as an essential network interface within automated production environments, this unit enables high-speed data exchange and integrated communication across distributed PLC architectures, remote input and output stations, and supervisory control systems. It integrates seamlessly into compatible MELSEC base units, facilitating coordinated process control and data transmission between multiple controllers on the factory network. Built for rugged industrial environments, the module supports reliable operation in manufacturing, assembly lines, material handling, packaging machinery, and continuous process automation facilities. With an approximate weight of 10 kg as configured in its assembly, the unit ensures dependable system interconnectivity, minimizing downtime and maintaining data integrity across complex automation installations.