Mitsubishi Electric FX5U-32MT/DS-TS MELSEC iQ-F Series CPU Module

Description

Integrating advanced sequential and analog control into a compact form factor, the Mitsubishi Electric FX5U-32MT/DS-TS acts as the primary processing node for the MELSEC iQ-F controller platform. This CPU module features 32 integrated I/O channels (16 inputs, 16 outputs) equipped with Tension Spring (TS) terminal blocks, offering exceptional wiring speed and field reliability in high-vibration industrial settings. Operable on a 24V DC power supply, it integrates dual-port analog inputs, single-port analog output, high-speed counters, and multi-axis positioning interfaces without requiring additional expansion cards. Its execution speeds, coupled with built-in Ethernet and RS-485 ports, make it highly suited for modern, networked manufacturing architectures.

Features

• Vibration-Proof Connections: Tension spring-clamp terminals eliminate screw-loosening risks and reduce field wiring installation times.
• High-Speed Processing: Extremely fast basic instruction execution speeds of 34 nanoseconds optimize system response.
• Built-In Communication: Integrates an Ethernet port for network integration and an RS-485 port for Modbus and dedicated inverter control.
• Embedded Analog Capabilities: Features 2 channels of 12-bit analog input (0 to 10V DC) and 1 channel of analog output (0 to 10V DC).
• Positioning Capabilities: Built-in high-speed counters up to 200 kHz and multi-axis positioning outputs for motion control applications.
• Secure Data Management: Built-in SD memory card slot supports data logging, firmware updates, and simple project transfers.

Applications

• High-vibration assembly and packaging systems
• Conveyor tracking and automated material handling sorting
• Automated dosing, pumping, and chemical treatment skids
• Multi-axis pick-and-place assembly stations

Technical Specifications Table

Connections and Interfaces

Alternative Models & Compatibility

The FX5U-32MT/DS-TS can directly replace standard FX5U-32MT/DS models in terms of processing logic, firmware, and functional execution. However, the "-TS" suffix specifies tension spring terminals instead of the screw-terminal design on standard models. This physical difference requires matching wiring termination preparation (using solid core or correctly rated wire ferrules without crimping tools on insertion). Program files written in GX Works3 are completely cross-compatible between both physical termination versions.

Application Pitfalls & Engineering Notes

Since this CPU has a DC transistor sink-type output configuration, you must ensure that all inductive external loads (such as DC relays and solenoid valves) are properly installed with protective freewheeling diodes to prevent voltage kickback damage to the outputs. For thermal management inside closed control cabinets, a minimum space of 50 mm must be maintained above and below the module to ensure natural convection. Avoid running high-voltage AC cables alongside the low-voltage DC terminal lines inside the same ducting to prevent signal corruption.

Commissioning & Wiring Tips

When utilizing the built-in analog inputs and outputs, ensure that double-shielded twisted pair cables are used and that the shield is grounded only at a single, clean grounding point. The integrated spring-clamp terminals accept a wire cross-section of 0.2 to 1.5 mm² (AWG 24 to 16). Do not twist stranded wire ends before insertion unless they are terminated with a proper, uninsulated or insulated ferrule. A standard flathead screwdriver with a blade width of 2.0 to 2.5 mm is required to open the spring clamping mechanism for wire extraction.

Installation Guidelines