Overview
The Mitsubishi MELSEC iQ-F series FX5U-80MT/DS DC24V-powered high-performance PLC CPU main unit, integrated IO total points 80, transistor output, supports high-speed pulse drive for servo/stepper motors. Multiple programming languages, fast computing speed, high motion control response accuracy. 35mm DIN rail snap-fit installation, or M4 screws fixed on the installation panel. Width 280mm × Height 90mm × Depth 86mm. M3 detachable screw terminal block.
Specification
| Item | Specification |
|---|---|
| Model | FX5U-80MT/DS |
| Series | Mitsubishi MELSEC iQ-F FX5U |
| Total Built-in I/O Points | 80 points (40 Input / 40 Output) |
| Main Power Supply | DC24V |
| Allowable Voltage Range | DC 19.2V ~ 28.8V |
| Rated Current Consumption | Approx. 0.9A (excluding external sensor loads) |
| Tolerable Momentary Power Failure | ≤10ms |
| Built-in Auxiliary Sensor Power | DC24V |
| Input Terminals | X0 ~ X47, 40 points |
| Input Circuit | DC24V signal, photo-coupler isolation |
| Input Wiring Mode | Switchable Sink(NPN) / Source(PNP) via S/S terminal |
| Single Input Current | 3.5mA per point |
| Input Response Time | Standard 1ms, minimum 0.1ms for high-speed mode |
| Output Type | Fixed Transistor Sink (NPN) |
| Output Terminals | Y0 ~ Y47, 40 points |
| Output Load Voltage Range | DC 5V ~ 30V |
| Single Point Output Current | Max 0.5A |
| Max Current per 4-point Common Terminal | ≤2A |
| Pulse Axis Response Speed (Y0/Y1/Y2/Y3) | 5μs |
| General Output Response Speed | 0.2ms |
| Built-in Analog Input | 2 channels (0~10V / 4~20mA, 12-bit resolution) |
| Built-in Analog Output | 1 channel (0~10V / 4~20mA, 12-bit resolution) |
| Program Memory | 64K steps Flash memory, no battery required for program storage |
| Basic LD Instruction Execution Speed | 34ns per instruction |
| Supported Programming Languages | LD, ST, SFC, FBD, multi-task program execution |
| Total Built-in High-Speed Counter Axes | 8 axes |
| Max Frequency of 6 General Counter Axes | 200kHz (single-phase / AB orthogonal) |
| Max Frequency of 2 Low-Speed Counter Axes | 10kHz |
| Independent Pulse Output Axes | 4 axes (Y0,Y1,Y2,Y3) |
| Max Pulse Frequency per Axis | 200kHz |
| Pulse Output Modes | Pulse+Direction / CW/CCW double pulse |
| Built-in Motion Control Functions | Home return, electronic cam, multi-axis synchronization, linear interpolation |
| Onboard Standard Communication Ports | 1×RJ45 Ethernet, 1×terminal RS485 |
| Supported Communication Protocols | SLMP, MODBUS TCP, MODBUS-RTU, N:N Network, FTP |
| Left Expansion Slot | FX5U-BD function/communication board slot |
| External Storage | SD card slot for backup, data logging, firmware upgrade |
| Max Local I/O (CPU + local expansion modules) | 256 points |
| Max Total I/O with CC-Link Remote I/O | 512 points |
| Mounting Method | 35mm standard DIN rail mounting, optional screw panel mounting |
| Overall Dimension | W280mm × H90mm × D86mm |
| Terminal Screw Size | M3 detachable terminal block |
| Operating Ambient Temperature | 0℃ ~ +55℃ |
| Storage Temperature | -20℃ ~ +70℃ |
| Protection Class | IP20 (cabinet installation only) |
| Certifications | UL/cUL, CE, RoHS, DNV, ABS, LR, KC |
FAQ
1.How long can the FX5U-80MT/DS withstand an instantaneous power outage without causing a disruption in operation?
The The FX5U-80MT/DS (DC24V powered model) has a standard specification for the allowable duration of instantaneous power outage of **≤5ms**. Equipment with short-term power loss within 5ms can maintain uninterrupted operation.
For the same series of AC power versions FX5U, the general standard is 10ms, and for DC direct current powered models, it is shortened to 5ms.
Additional note: This duration is maintained by the internal capacitor in the chassis for CPU scanning operation. If the power outage exceeds 5ms, the PLC will enter a shutdown and reset state.
2.How many analog input and analog output channels does the FX5U-80MT/DS unit come with by itself?
Supported. The Integrated with 2 analog input channels and 1 analog output channel, all with a resolution of 12 bits. Supports 0-10V voltage / 4-20mA current signals.
3.Which two built-in communication interfaces are equipped on the FX5U-80MT/DS body?
The
- RJ45 Ethernet interface
- Terminal-type RS485 communication interface
4.FX5U-80MT/DS, what are the total number of input and output IO points in the main body?
The The total input/output points of the main body are 80, among which there are 40 input points (X0 to X47) and 40 output points (Y0 to Y47).
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