Overview
The Mitsubishi FX3U-128MT/ESS is a transistor-source type output AC 100-240V 50/60Hz device with built-in 64K step RAM. It supports memory card expansion and in-operation write to DIN rail installation. It features 8-axis high-speed counters, local 128-point I/O capacity, 4-axis pulse output, and supports positioning control. It has an RS-422 interface and a power-off retention function.
Specification
| Category | Item | Specification |
|---|---|---|
| Basic Information | Model | FX3U-128MT/ESS |
| Model Description | FX3U: FX Series 3rd Gen PLC; 128: Total 128 I/O points; MT: Transistor Output; ESS: Standard Communication Version | |
| Power Supply | AC 100~240V (±10%), 50/60Hz, 65W | |
| Dimension & Weight | 350×90×86mm, Approx. 1.8kg, DIN rail mounting | |
| Program & Performance | Program Memory | 64K steps built-in RAM, support memory card expansion & run-time write |
| Basic Instruction Speed | 0.21μs/inst | |
| Applied Instruction Speed | 0.5μs/inst | |
| Input | Total Input Points | 64 points (DC24V) |
| Input Type | Sink/Source switchable (Default: Sink) | |
| Input Response Time | 10ms (default), 1ms / 5ms adjustable | |
| Input Current | ≤7mA/point | |
| Output | Total Output Points | 64 points (Source type Transistor) |
| Load Voltage | DC 5~30V | |
| Output Current | Continuous: 0.5A/point, Peak: 1A/point | |
| Output Response Time | 0.2ms | |
| Terminal Group | 8 groups × 8 points | |
| System & Motion | Max I/O Points | Local 128 points, expandable to 256 points |
| High-speed Counter | Max 8 axes; Single-phase: 100kHz, Two-phase: 50kHz | |
| Pulse Output | Max 4 axes, 100kHz, positioning function | |
| Data Register | General: 8000 points, Retentive: 7000 points, File: 32K points | |
| Communication & Expansion | Built-in Interface | RS-422, MODBUS-RTU |
| Expansion | Support FX3U adapters, extension boards, analog, positioning, CC-Link modules | |
| Environment & Certification | Operating Temperature | 0℃ ~ 55℃ |
| Storage Temperature | -40℃ ~ 70℃ | |
| Certification | CE, UL/cUL, RoHS |
FAQ
1.How many input points does the FX3U-128MT/ESS have and what is the power supply type?
The The input points of this machine are 64, and the power supply for the input circuit is DC24V.
2.What input response time settings are available for the FX3U-128MT/ESS?
Supported. The The default time is 10ms, and it can be set to 1ms or 5ms.
3.What are the continuous current and peak current of the single-output FX3U-128MT/ESS?
The Single-channel output continuous current: 0.5A, peak current: 1A
4.What is the maximum expandable I/O point count for the FX3U-128MT/ESS?
The This machine has 128 points, and it can be expanded up to 256 points.
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