Mitsubishi FX3G-60MR/ES MELSEC-F PLC AC Power 36 Inputs 24 Relay Outputs 32K Steps

Mitsubishi Electric FX3G‑60MR/ES is a compact, high‑performance PLC main unit from the MELSEC‑F FX3G series. Integrates 36 digital inputs (24 V DC, sink/source) and 24 relay outputs (2 A per point) with a built‑in power supply and CPU. 32,000‑step program memory (EEPROM). LD instruction execution time 210 ns. Built‑in USB and RS‑422 ports. Designed for general‑purpose machine control, OEM equipment and factory automation applications. This product has been announced as End of Life. Mitsubishi Electric accepts Last Time Buy orders until 29 May 2026, and will provide service support until 31 Dec 2033.

Applications:

• Conveyor systems and material handling

• Packaging machinery and assembly lines

• OEM equipment and small to mid‑sized machine control

• Lighting, HVAC and building automation systems

• Legacy system replacement for FX1N series PLCs

Core Specifications:

Power Supply

• Supply voltage: 100‑240 V AC (+10 % / –15 %), 50/60 Hz

• Power consumption: 40 W

• Inrush current: refer to manufacturer documentation

• Dielectric strength: 1.5 kV AC for 1 min (between terminals and ground)

• Insulation resistance: ≥ 5 MΩ

Digital Inputs

• Number of inputs: 36

• Input type: 24 V DC, sink/source (configurable per common)

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

• Rated input current: 7 mA (at 24 V DC, X000 … X007), 5 mA (at 24 V DC, X010 … X043)

• Input impedance: approx. 3.3 kΩ

• ON voltage / current: ≥ 15 V DC / ≥ 3 mA

• OFF voltage / current: ≤ 5 V DC / ≤ 1.7 mA

• Response time: adjustable 0 … 15 ms (X000 … X017), 0 … 15 ms (X020 … X043)

• High‑speed input (X000 … X007): programmable as general inputs, interrupts or high‑speed counters

Digital Outputs

• Number of outputs: 24

• Output type: Relay (normally open, NO)

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

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

• Max. load (inductive): 80 VA (AC), 24 W (DC)

• Min. load: 5 V DC, 2 mA

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

• Mechanical life: ≥ 20 million operations

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

Performance

• Program memory: 32,000 steps (EEPROM)

• LD instruction execution time: 210 ns

• MOV instruction execution time: 500 ns

• Auxiliary relays (M): 7,680 points

• Timers (T): 320 points

• Counters (C): 235 points (16‑bit 200 points, 32‑bit 35 points)

• Data registers (D): 8,000 points

• Extension registers (R): 24,000 points

Communication

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

• RS‑422: 1 port (programming port, direct connection to GOT HMIs)

• Communication options: via function expansion boards (RS‑232C, RS‑485, Ethernet)

Expansion

• Max. local I/O points: 128 (main unit + up to 4 expansion units / 8 special function modules)

• Max. I/O points (with CC‑Link or AnyWireASLINK): 256

• Expansion units: FX2N / FX3G series I/O expansion units, special function modules, adapters

• Function expansion boards: up to 2 (communication, analog I/O, memory cassette)

• Special adapters: up to 2 (RS‑232C, RS‑485, analog I/O, temperature input)

Built‑in Functions

• High‑speed counters: 6 channels (single‑phase 60 kHz × 4 channels, 10 kHz × 2 channels; two‑phase 30 kHz × 2 channels, 5 kHz × 1 channel)

• Pulse outputs: 2 channels (100 kHz max., transistor output models only)

• Positioning: 2 independent axes (pulse train output, transistor output models)

• Real‑time clock: built‑in, battery‑backed (battery sold separately)

• Interrupt inputs: 6 points (falling edge / rising edge)

• Programmable digital filter: 0 … 15 ms (X000 … X017)

• Built‑in RUN/STOP switch

• Built‑in programming port (RS‑422)

• Password protection: 8‑digit program protection

Physical & Environmental Specifications:

• Dimensions (W × H × D): 175 mm × 90 mm × 86 mm

• Weight: approx. 0.85 kg

• Protection rating: IP10 (IEC 60529)

• Operating temperature: 0 °C … 55 °C

• Storage temperature: –25 °C … 75 °C

• Operating humidity: 35 % … 85 % (non‑condensing)

• Mounting: DIN rail (35 mm)

• Connection type: Screw terminal block (M3 screws)

Compatibility information:

• This CPU unit belongs to the Mitsubishi Electric MELSEC‑F FX3G series.

• Direct replacement for FX1N‑60MR main unit (same mounting dimensions, I/O allocation and programming environment).

• Compatible with FX2N and FX3U expansion units and special function modules (digital I/O, analog I/O, temperature, high‑speed counter, positioning).

• Supports function expansion boards (FX3G‑xxx‑BD) for RS‑232C, RS‑485, Ethernet, analog I/O, memory cassette.

• Supports special adapters (FX3U‑xxx‑ADP) for RS‑232C, RS‑485, analog I/O, temperature input (requires FX3G‑CNV‑ADP adapter).

• Programmed with GX Works2 or GX Developer (version 8.72A or higher).

Product Status:
End of Life (EOL) announced. Final manufacturing order date (Last Time Buy): 29 May 2026. End of Service (EOS) date: 31 Dec 2033. Recommended successor: FX5S‑60MR/ES (MELSEC iQ‑F series). For new designs, use FX5S‑60MR/ES.

Related Products:

• Lower I/O count (within FX3G series) → FX3G‑40MR/ES (40 I/O, relay outputs)

• Current model → FX3G‑60MR/ES (60 I/O, relay outputs)

• Successor (MELSEC iQ‑F) → FX5S‑60MR/ES (60 I/O, relay outputs, Ethernet built‑in)

• Accessories → FX3G‑EEPROM‑32L (32‑step memory cassette), FX3G‑232‑BD (RS‑232C board), FX3G‑USB‑BD (USB programming port board)