Mitsubishi A1SJ71UC24-R4 PLC Module A1SJ71UC24R4

Description:

The Mitsubishi A1SJ71UC24‑R4 PLC communication module is used in industrial automation systems to provide high‑speed serial communication between a programmable logic controller and external devices such as HMIs, PCs, drives, and other controllers. It is commonly installed in Mitsubishi MELSEC A/Q/F series PLC racks and control panels to enable data exchange, remote monitoring, and programming access. Maintenance teams and system integrators use this module for PLC networking, remote interfacing, and replacement of legacy communication interfaces.

Applications:

The Mitsubishi A1SJ71UC24‑R4 module is widely used in factory and process automation environments requiring reliable serial communication for data exchange and system coordination. It is commonly found in machine control panels, material handling systems, packaging machinery, CNC integration, production monitoring networks, and remote diagnostics setups where RS‑232/RS‑422/RS‑485 communication supports device interoperability and programming communication with PLCs.

Technical Specifications:

• Model: A1SJ71UC24‑R4
• Module type: PLC serial communication interface
• Supported protocols: RS‑232C, RS‑422, RS‑485 (configurable)
• Connector: DB‑9 or terminal block (platform dependent)
• Baud rate: Up to 115.2 kbps (standard)
• Indicators: Communication status LEDs
• Mounting: PLC rack or panel mount
• Compatibility: Mitsubishi MELSEC A/Q/F series PLCs
• Communication functions: Serial data exchange, remote I/O access, diagnostics
• Power: Supplied via PLC backplane or auxiliary supply
• Designed for: Serial communication and device interfacing in automation
• Operating temperature: Industrial range

Common Replacements:

• Mitsubishi A1SJ71UC24‑R5
• Omron CJ1W‑SCN41
• Allen‑Bradley 1761‑SC