Mitsubishi Electric's A1SJ71UC24-R2 Communications Module provides a single RS-232C serial communication port for MELSEC A Series PLCs, enabling reliable data exchange between the controller and external devices such as HMIs, PCs, barcode readers, and printers. This rack-mounted serial communication module is designed for use with Mitsubishi MELSEC A Series controllers, supporting PLC-to-HMI and SCADA data flows and operating in ambient temperatures from 0°C to 55°C. Common replacements include A1SJ71UC24-R4, A1SJ71C24-R2, and QJ71C24N-R2.
