FX5-16EX/ES – Mitsubishi Electric FX5 Input Module (16 Digital Inputs, 24V DC Powered)
The Mitsubishi Electric FX5-16EX/ES is a compact digital input extension module for the MELSEC iQ-F FX5 series PLCs. It provides 16 digital inputs (sink/source type) and is designed for reliable signal acquisition in industrial automation systems. The module connects via screw terminal blocks and is powered by 24V DC supplied from the PLC or an external source.
Compatible with FX5U, FX5UJ, and FX5UC CPU modules (FX5UC requires an interface module), the FX5-16EX/ES supports DIN rail mounting and integrates seamlessly into modular control architectures.
Key Features
- 16 digital input points
- Sink/source input type (24V DC)
- Screw terminal block (M3 screws)
- Fast response time: ON ≤ 50 µs, OFF ≤ 150 µs
- LED indicators for input status
- Photo-coupler insulation
- DIN rail mountable
- Compatible with FX5U, FX5UJ, FX5UC CPUs
- Powered by 24V DC (from PLC or external supply)
Technical Specifications
| Specification | Value |
|---|---|
| Model Number | FX5-16EX/ES |
| Input Type | Digital (Sink/Source) |
| Number of Inputs | 16 |
| Input Voltage | 24V DC +20%, -15% |
| Input Current | 4.0 mA @ 24V DC |
| Input Impedance | 5.6 kΩ |
| Sensitivity Current | ON ≥ 3.0 mA / OFF ≤ 1.5 mA |
| Response Time | ON ≤ 50 µs / OFF ≤ 150 µs |
| Terminal Type | Screw terminal block (M3 screws) |
| Mounting | DIN Rail |
| Dimensions | Approx. 90 x 90 x 75 mm |
| Weight | Approx. 0.25 kg |
| Compatibility | FX5U, FX5UJ, FX5UC (with adapter) |
Applications
- Signal acquisition in automation systems
- Packaging and material handling
- OEM control panels
- Water and wastewater monitoring
- Food & beverage production
- Machine building










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