What Is SCADA? Supervisory Control Without Replacing the PLC
SCADA sits above PLCs and RTUs: it acquires field data, alarms operators, and issues supervisory commands across plants and remote assets—without replacing local deterministic control.

Designed for compact, high-speed industrial control, the Mitsubishi Electric FX5U-80MR/DS is a high-density CPU module belonging to the MELSEC iQ-F series. This controller features integrated positioning control, built-in analog inputs and outputs, and diverse communication ports to manage complex automation sequences. It operates on a 24 V DC power supply, making it suitable for low-voltage control panels across various processing environments.
The unit features 80 integrated digital I/O points, accommodating 40 digital inputs and 40 relay outputs. It utilizes a secure screw terminal block design for stable, long-term wiring connections under heavy operational vibration. System scalability is easily achieved through the addition of expansion modules, adapter boards, and communication blocks connected directly to the CPU main unit.
| Manufacturer | Mitsubishi Electric |
| Part Number / Model | FX5U-80MR/DS |
| Series | MELSEC iQ-F Series |
| Module Type | CPU Module |
| Supply Voltage | 24 V DC |
| Total Input/Output Points | 80 points |
| Number of Inputs | 40 points |
| Input Type | 24 V DC (sink) |
| Number of Outputs | 40 points |
| Output Type | Relay |
| Terminal Connection Type | Screw terminal block |
| Internal 5 V DC Power Capacity | 1100 mA |
| Internal 24 V DC Power Capacity | 770 mA |
| Operating Temperature Range | 0 to 55 degC |
| Shipping Weight | 2.0 kg |
| Terminal / Interface | Function |
|---|---|
| 24V+ / 24V- | Main 24 V DC system power input connection |
| FG (Frame Ground) | Protective chassis earth connection |
| X000 to X047 | Digital input connections (24 V DC) |
| Y000 to Y047 | Relay output connections |
| RJ45 Port | Ethernet communication and programming interface |
| SD Card Slot | Storage card slot for logging and updates |
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| Country of origin |
United States
|