The Mitsubishi PLC Controller Module FX3U-48MR-ES/A and FX3U-48MT-ES/A represent the pinnacle of compact yet powerful industrial control, designed for high-speed sequence and motion applications. These modules integrate advanced auxiliary relay and register architectures—boasting up to 7,680 auxiliary relays (M0–M7679 with 500 general and 524 optional latched) and 8,000 data registers (D0–D7999 with 200 general and 312 optional latched)—to handle complex logic and data logging. With 512 timers (including 206 100 ms, 46 10 ms, and 260 1 ms) and 235 counters (16/32-bit, 120 general), the FX3U series excels in precision timing and counting tasks. The high-speed counter subsystem supports 1-phase inputs at 100 kHz (8 points max) and 2-phase at 50 kHz (2 points max), ideal for encoder feedback and rapid event capture. Additionally, 32,768 extension registers (R0–R32767) and optional file registers provide ample storage for advanced recipes and diagnostics, making this module a reliable backbone for automated lines.
| Parameter |
Specification (FX3U-48MR-ES/A & FX3U-48MT-ES/A) |
| Auxiliary Relays |
7,680 total: 500 general (M0–M499), 524 optional latched (M500–M1023), 6,656 latched (M1024–M7679) |
| State Relays |
4,096 total: 1,000 optional latched (S0–S999), 3,096 latched (S1000–S4095) |
| Timers |
512 total: 206 x 100 ms (T0–T191, T192–T199, T250–T255), 46 x 10 ms (T200–T245), 260 x 1 ms (T246–T249, T256–T511) |
| Counters |
235 total (16-bit and 32-bit): 120 general (C0–C99, C200–C219), 115 latched (C100–C199, C220–C234) |
| High-Speed Counter Speed |
1-phase: 100 kHz max (8 points) / 10 kHz (2 points); 2-phase: 50 kHz max (2 points) |
| Data Registers |
8,000 total: 200 general (D0–D199), 312 optional latched (D200–D511), 7,488 latched (D512–D7999) |
| Extension Registers |
32,768 (R0–R32767) |
| Extension File Registers |
32,768 (ER0–R32767) optional memory |
- High-Speed Processing: Built-in CPU achieves rapid scan cycles for real-time control in machinery and process automation.
- Flexible I/O: Relay output (MR) for AC/DC loads up to 2A or transistor output (MT) for high-speed switching up to 0.5A, both with 48 points.
- Advanced Counting: Supports up to 100 kHz single-phase and 50 kHz two-phase high-speed counters, enabling precise encoder and sensor integration.
- Robust Memory Architecture: 7,680 auxiliary relays and 8,000 data registers with latched options ensure data retention during power loss.
- Scalable Expansion: Compatible with FX3U series extension modules for additional I/O, analog, and communication functions.
- Industrial Durability: Rated for 0–55°C operating temperature and 5–95% RH humidity, suitable for harsh factory environments.
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22