Mitsubishi FX5U-32MR/ES MELSEC iQ‑F PLC 16 Inputs 16 Relay Outputs AC Power Supply

Mitsubishi Electric MELSEC iQ‑F FX5U‑32MR/ES is a compact, high‑performance programmable logic controller (PLC) CPU unit with built‑in I/O and communication ports. 16 digital inputs (24 V DC, sink/source configurable) and 16 relay outputs (2 A per point, 250 V AC/30 V DC). 64 K steps (128 KB) flash program memory, 34 ns LD instruction execution time. Built‑in 2‑channel analog input (0–10 V, 12‑bit), 1‑channel analog output (0–10 V, 12‑bit), Ethernet (RJ45, 10/100 Mbps), RS‑485 port, SD memory card slot. 100‑240 V AC power supply, screw terminal block, DIN rail mounting. Designed for industrial automation, OEM machinery, packaging lines, material handling, and legacy FX3U/FX2N system upgrades.

Applications:

• Factory automation and production line control

• OEM machinery and equipment manufacturing

• Conveyor systems and material handling

• Packaging machinery (form‑fill‑seal, labeling)

• Pump, fan and motor control panels with relay outputs

• Legacy FX3U/FX2N system upgrade and expansion

Core Specifications:

General & Performance

• Program memory: 64 K steps (128 KB flash)

• Device/label memory: 120 KB

• Data memory (standard ROM): 5 MB

• LD instruction execution time: 34 ns

• MOV instruction execution time: 34 ns

• Controlled I/O points (local): 256

• Controlled I/O points (local + remote): 512

Built‑in Digital I/O

• Digital inputs: 16 (24 V DC, sink/source configurable)

• Digital outputs: 16 (relay, normally open)

Built‑in Analog I/O

• Analog inputs: 2 channels, 0–10 V DC, 12‑bit resolution

• Analog output: 1 channel, 0–10 V DC, 12‑bit resolution

Built‑in Communication

• Ethernet: 1 port, RJ45, 10/100 Mbps, auto‑negotiation

• RS‑485: 1 port, terminal block

• USB device: 1 port, mini‑B (programming)

Built‑in High‑speed Functions

• High‑speed counter: up to 6 channels at 200 kHz, 2 channels at 10 kHz

• Positioning: up to 200 kpps (4 axes)

Memory Card

• SD memory card slot: SD/SDHC compatible (32 GB max.)

Power Supply & Environmental Specifications:

Advanced Specifications:

Digital Inputs (X0–X17)

• Rated input voltage: 24 V DC (+20 %, –15 %)

• Rated input current (X0–X17): 4.4 mA typical (X000 – X007 at 24 V DC)

• Input impedance: 5.6 kΩ

• ON voltage / current: ≥ 15 V DC / ≥ 3.0 mA

• OFF voltage / current: ≤ 5 V DC / ≤ 1.5 mA

• Input response time (X000 – X005): ON/OFF ≤ 2.5 μs (hardware delay only)

• Input response time (X006 onward): ≤ 50 μs (plus digital filter setting)

• Digital filter: selectable 10 μs, 0.1 ms, 0.2 ms, 0.4 ms, 0.6 ms, 1 ms, 5 ms, 10 ms, 20 ms, 70 ms (default 10 ms)

Relay Outputs (Y0–Y17)

• Output type: Relay, normally open (NO)

• External power supply: 250 V AC / 30 V DC max. (CE, UL, cUL: 240 V AC)

• Max. load (resistive): 2 A per point, 8 A per common (4 points/common)

• Min. load: 5 V DC, 2 mA

• Response time: OFF→ON ≤ 10 ms, ON→OFF ≤ 12 ms

• Mechanical life: ≥ 20,000,000 operations

• Electrical life: ≥ 100,000 operations (rated load)

• Surge suppressor: built‑in (CR type for AC loads, Zener diode for DC loads)

Built‑in Analog I/O

• Analog input range: 0–10 V DC (input resistance 115.7 kΩ)

• Analog output range: 0–10 V DC (external resistance 2 kΩ to 1 MΩ)

• Resolution: 12 bits (0–10 V: 2.5 mV)

• Accuracy (25 ± 5 °C): analog input ±1.0 % (±100 mV), analog output ±1.0 % (±100 mV)

• Conversion speed: 1 ms for all 2 input channels / 1 ms for output

Communication Specifications

System Integration:

• This CPU unit belongs to the Mitsubishi Electric MELSEC iQ‑F series.

• Installs on 35 mm DIN rail or panel mount using M4 screws.

• Built‑in Ethernet port supports SLMP, socket communication, Modbus TCP, and MELSOFT direct connection for programming and monitoring.

• RS‑485 port supports N:N network, MELSEC protocol, inverter communication, non‑protocol, and Modbus‑RTU.

• SD memory card slot (SD/SDHC, up to 32 GB) supports program backup, data logging, and device data storage.

• Expansion options: FX5 series special adapters (left side, up to 6 units), FX5 series communication boards (front, up to 2 units), FX5 series I/O modules (right side, up to 8 units).

• Programming and configuration performed using GX Works3 engineering software (version 1.047Z or later recommended).

• Backup battery (optional) for real‑time clock retention: FX3U‑32BL.

Standards & Compliance:
CE (EMC, LVD, RoHS), UL/cUL, KC, UKCA. Shipping approvals: ABS, BV, DNV GL, LR, NK, RINA. Refer to manufacturer official documentation for detailed certification and compliance information.

Related Products:

• FX5U‑32MT/ES – transistor (sink) output version, same I/O count and AC power supply

• FX5U‑32MR/DS – 24 V DC power supply version, relay outputs

• FX5‑16EX/ES – 16‑point DC input expansion module

• FX5‑16EYR/ES – 16‑point relay output expansion module

• FX5‑485‑ADP – RS‑485 communication adapter (left side)

• FX5‑4AD‑ADP – 4‑channel analog input adapter

• FX5‑4DA‑ADP – 4‑channel analog output adapter

• FX3U‑32BL – Optional backup battery for real‑time clock retention