FX2N-128MR-001 Mitsubishi PLC 64 Relay Outputs
Product Introduction
The FX2N-128MR-001 from Mitsubishi Electric delivers powerful control for large automation systems. This PLC belongs to the famous FX2N series. It supports a maximum of 128 input/output points. Specifically, it offers 64 inputs and 64 relay outputs. The power supply voltage is DC24V. Its CPU processes basic instructions in just 0.08µs. Built-in RAM memory holds 8K steps, expandable to 16K. Therefore, this model suits complex machinery, conveyor systems, and packaging lines with many loads.
Technical Specifications
General Parameters
Max I/O points: 128 points
Input points: 64 points (DC24V)
Output points: 64 points, relay type
Power supply voltage: DC24V
Power consumption: 100VA
Weight: 1.8 kg
Dimensions (WxHxD): 350 x 90 x 87 mm
Performance & Memory
CPU speed: 0.08µs per basic instruction
Built-in memory: 8K RAM (expandable to 16K)
Application instruction speed: 0.642µs
DC5V power consumption: 20mA (internal)
Communication: RS-422 via function expansion board
Quick-disconnect terminal block: Yes, for easy maintenance
Additionally, the FX2N-128MR-001 supports up to 256 control points when expanded. You can connect input/output expansion modules on the right side. Special function modules also attach easily. For instance, analog input, temperature control, or communication modules work perfectly. Furthermore, the quick-disconnect terminal block improves maintainability. Even if you replace cables, the process remains fast and simple.
Relay Output Features
Output type: Mechanical relay, 2A per point (resistive load)
Max load per common: 8A
Response time: Approx. 10ms (OFF to ON and ON to OFF)
Mechanical life: 20 million operations (no load)
Electrical life: 100,000 operations at rated load
Protection: External fuse recommended for each output
Mechanical & Environmental Parameters
Operating temperature: 0°C to 55°C
Storage temperature: -20°C to 70°C
Humidity: 35% to 85% RH (non-condensing)
Vibration resistance: 5 to 150Hz, 0.5mm amplitude (IEC 61131-2)
Shock resistance: 147m/s² (15G) for 11ms
Noise immunity: 1000Vp-p, 1µs pulse width
Dielectric strength: 1500VAC for 1 minute
Insulation resistance: 5MΩ or more at 500VDC
Frequently Asked Questions (FAQ)
1. Can the FX2N-128MR-001 replace an older FX2N-128MR model?
Yes, the FX2N-128MR-001 is fully backward compatible. It uses the same wiring, terminal assignments, and programming software as previous FX2N units.
2. What is the maximum expansion capability of this PLC?
You can expand total I/O up to 256 points. Simply add expansion modules on the right side of the FX2N-128MR-001. For CC-Link remote I/O, you can go up to 384 points.
3. Does this model support analog input modules?
Absolutely. Special function modules like analog input (4-20mA, 0-10V), analog output, and temperature control connect directly to the main unit.
4. What programming software works with the FX2N-128MR-001?
Use Mitsubishi GX Works2 (version 1.77 or higher) or GX Developer (version 8.0 or higher). Both support all FX2N instructions and memory configurations.
5. How do I connect a programming cable to this PLC?
Use an RS-422 adapter (e.g., SC-09 or USB-SC09-FX). Plug it into the built-in 8-pin mini-DIN programming port on the FX2N-128MR-001. No external power is needed for the adapter.
