Description:

The Mitsubishi FX3U-128MR/ES-A is a programmable logic controller (PLC) used in industrial automation systems for high-capacity machine control and advanced logic processing. Commonly installed in production lines, conveyor systems, packaging equipment, and automated machinery, it provides a large I/O count with reliable relay outputs and strong expansion capability. Maintenance teams, system integrators, and OEMs use this PLC for system control, upgrades, and replacements in automation environments requiring scalable control, high performance, and flexible integration.

Applications:

The Mitsubishi FX3U-128MR/ES-A PLC module is used in industrial automation environments requiring high I/O capacity and reliable control of machines and processes. Typical applications include manufacturing automation, large conveyor systems, packaging lines, process control systems, and material handling equipment where extensive device control, system expansion, and consistent logic execution are essential for maintaining efficiency and uptime.

Technical Specifications:

• Manufacturer Part Number (MPN): FX3U-128MR/ES-A
• Product Type: Programmable Logic Controller (PLC) Module
• Total I/O Points: 128 (64 inputs, 64 outputs)
• Input Type: Digital DC (24 V, sink/source)
• Output Type: Relay outputs
• Power Supply: 100–240 VAC
• Program Memory: 64K steps
• Communication Ports: RS-422 built-in (optional RS-232/RS-485 via adapters)
• Expansion Capability: Up to 256 local / 384 with remote I/O
• Processing Speed: ~65 ns basic instruction execution
• Power Consumption: Approx. 65 W
• Mounting Type: DIN rail mount
• Operating Temperature: 0 °C to 50–55 °C
• Storage Temperature: -20 °C to 75 °C
• Protection Class: IP10–IP20
• Battery Backup: Yes (for memory retention)

Common Replacements:

• Mitsubishi FX3U-128MT/ES-A
• Siemens S7-1200 6ES7215-1HG40-0XB0
• Allen-Bradley CompactLogix 1769-L33ER