Mitsubishi FX5UC-32MT/DSS-TS Compact PLC
I/O Configuration: 16 Digital Inputs (DC24V, Sink/Source) | 16 Transistor Outputs (Source)
Power Supply: 24V DC |
Built-in Communication: Ethernet + RS-485 |
Spring Clamp Terminals
Product Overview
The Mitsubishi FX5UC-32MT/DSS-TS is a high-performance compact programmable logic controller (PLC) from the industry-leading MELSEC iQ-F FX5UC series. It features an ultra-compact design with spring clamp terminal blocks for fast and reliable wiring, making it ideal for space-constrained industrial applications. This CPU unit delivers exceptional processing speed (34ns per LD instruction), built-in 4-axis positioning capability, and dual communication ports (Ethernet and RS-485), providing a cost-effective and scalable solution for small to medium-sized automation systems. Its source-type transistor outputs are optimized for European and North American industrial standards, ensuring compatibility with a wide range of field devices.
Key Advantages & Core Features
- Ultra-Fast Processing: 34ns instruction execution speed for real-time control and high-speed machine operation
- Spring Clamp Terminals: Tool-free wiring reduces installation time by up to 50% and ensures vibration-resistant connections
- Universal Inputs: 16-point DC24V inputs support both sink and source connection types for maximum flexibility
- Built-in 4-Axis Positioning: Up to 200kHz pulse output for precise servo and stepper motor control
- High-Speed Counters: 6 channels at 200kHz + 2 channels at 10kHz for high-speed pulse input applications
- Dual Communication Ports: Standard Ethernet port for network connectivity and RS-485 port for serial communication
- Battery-Free Operation: Flash memory technology eliminates the need for backup batteries, reducing maintenance costs
- Scalable Design: Supports up to 512 I/O points with remote I/O modules and various expansion options
- Global Compliance: CE, UL/cUL, RoHS, KC, LR, DNV, ABS certified for worldwide use
Technical Specifications
System Specifications
| Parameter |
Value |
| Series |
MELSEC iQ-F FX5UC |
| Program Capacity |
64K steps (128KB) |
| Data Memory |
128KB (battery-free flash memory) |
| File Register |
32KB |
| Instruction Execution Speed |
34ns (LD instruction) |
| Maximum I/O Points |
512 (local + remote) |
| Power Supply |
24V DC (20.4-28.8V DC) |
| Power Consumption |
5W |
| Built-in 24V DC Output |
500mA |
| Mounting |
DIN rail |
| Protection Class |
IP10 |
I/O Specifications
| Parameter |
Value |
| Digital Inputs |
16 points, DC24V, Sink/Source selectable |
| Input Impedance |
4.3 kΩ |
| Input Current |
5.3 mA (at 24V DC) |
| ON Sensitivity |
≥3.5 mA |
| OFF Sensitivity |
≤1.5 mA |
| Digital Outputs |
16 points, Transistor (Source type) |
| Rated Output Voltage |
24V DC |
| Maximum Output Current |
0.5A per point |
| Response Time |
0.1ms (OFF→ON), 0.2ms (ON→OFF) |
Communication Specifications
| Parameter |
Value |
| Ethernet Port |
1 port, 10/100Mbps, TCP/IP, UDP/IP |
| RS-485 Port |
1 port, up to 115.2kbps, supports Modbus RTU |
| Supported Protocols |
Modbus TCP/IP, Modbus RTU, SLMP, MC Protocol |
Environmental Specifications
| Parameter |
Value |
| Operating Temperature |
-20°C to +55°C (no freezing) |
| Storage Temperature |
-25°C to +70°C |
| Relative Humidity |
5% to 95% (non-condensing) |
| Vibration Resistance |
10-55Hz, 0.075mm amplitude |
| Shock Resistance |
150m/s², 3 axes, 3 times each |
| Dimensions |
42.1mm (W) × 90mm (H) × 89.1mm (D) |
| Weight |
Approximately 0.2kg |
Applications & Industries
The FX5UC-32MT/DSS-TS is widely used in various industrial automation applications requiring compact size, high performance and reliable operation:
Industrial Automation
- Small-scale production line control
- Machine automation and monitoring
- Material handling systems
- Conveyor belt control
Packaging Machinery
- Filling machines
- Labeling equipment
- Cartoners and case packers
- Wrapping systems
Machine Tools
- Small CNC machines
- Milling and drilling machines
- Grinding equipment
- Cutting machines
Food & Beverage
- Processing equipment control
- Packaging lines
- Conveying systems
- Bottling machines
Other Applications
- Textile machinery
- Printing equipment
- Building automation
- HVAC control systems
Procurement Information
- 2026 June Price: Approximately ¥2,800-3,200 (13% VAT included, delivered to Xianyang)
- Lead Time: 1-3 days (domestic stock available in Shanghai and Shenzhen)
- Origin: Japan
- Warranty: 12 months manufacturer warranty
- Optional Accessories: SD memory card (up to 16GB), expansion modules, programming cable
Important Notes
- This model features source-type transistor outputs, different from the FX5UC-32MT/DS-TS (sink-type outputs)
- Spring clamp terminals provide superior vibration resistance compared to screw terminals
- No backup battery is required for program and data retention
- Compatible with GX Works3 programming software