Mitsubishi A1SY80 I/O Transistor Output Module for Programmable Logic Controller

Description:

The Mitsubishi A1SY80 is a transistor output module designed for the MELSEC-A series PLC platform, providing digital output control for industrial automation systems. It receives signals from the PLC CPU and switches external devices such as relays, solenoids, and indicators. Commonly installed in control panels and production systems, it is used by maintenance teams and system integrators for system expansion, output control, and replacement of legacy I/O modules.

Applications:

This Mitsubishi output module is used in industrial automation systems requiring reliable digital output control. Typical applications include manufacturing lines, conveyor systems, packaging equipment, and machine control systems where PLCs must control actuators, relays, and other field devices with stable and consistent performance.

Technical Specifications:

• Manufacturer Part Number (MPN): A1SY80
• Product Type: Digital Output Module (Transistor)
• Series: MELSEC-A
• Number of Outputs: 16 digital outputs
• Output Type: Transistor (Source type)
• Rated Output Voltage: 12/24 VDC
• Max Output Current: 0.8 A per point (typical rating)
• Output Configuration: 16-point common
• Isolation Method: Photocoupler isolation
• Mounting Type: Rack-mounted (A-series base unit)
• Connection Type: Terminal block
• Application Class: Industrial automation output control
• Status: Discontinued / legacy module

Common Replacements:

• Mitsubishi A1SY81 (similar transistor output module)
• Mitsubishi A1SY41 / A1SY42 (lower output count variants)
• Mitsubishi QY41P (Q-series upgrade)