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FX2N-48ER is an I/O expansion unit for Mitsubishi MELSEC-F series FX2N PLCs.
It features 24-point DC24V input + 24-point relay output, with built-in power supply, and can directly expand I/O points for small and medium-sized automation control systems.
- Model Breakdown & Definition
| Код | Значение | Описание |
| FX2N | Ряд | Mitsubishi high-performance compact PLC series, supporting rich expansion and network communication |
| 48 | Total I/O points | 24 inputs + 24 outputs, общий 48 mixed I/O |
| Э | Expansion type | Must be used with a main unit; built-in power supply for field devices |
| Р | Output type | Relay output, suitable for AC/DC loads with strong load capacity |
- Key Specifications
Input: 24 points DC24V, sink/source common, response time approx. 10РС
Output: 24 points relay, 2A/AC250V or 2A/DC30V per point; max 8A per common terminal
Власть: AC100–240V wide range, 50/60Гц; 460mA DC24V for field devices
Physical: Weight approx. 0.85кг; Dimensions 182×90×87 mm (Ш×В×Г), DIN rail mountable
Расширение: До 7 expansion units for FX2N series, max 256 I/O points
- Common Versions
| Suffix | Region | Difference |
| -ES/UL | Europe / Северная Америка | CE/UL certified, DC24V input, screw terminals |
| -UA1/UL | Северная Америка | Supports AC110V input, UL/CUL certified |
| -DS | Europe | DC24V power, screw terminals, CE compliant |
- Преимущества & Приложения
Преимущества: Built-in power supply, simple wiring; relay output can directly drive contactors, solenoids, и т. д.. Low cost, высокая надежность.
Приложения: Small production lines, equipment automation, building control, упаковочное оборудование, пищевая промышленность, и т. д..
- Выбор & Примечания по использованию
- Used with FX2N main units (например, FX2N-64MR). Installation order: main unit → expansion unit → special function module.
- Relay response approx. 10РС, not suitable for high-speed switching. For high-speed use, select transistor output (например, FX2N-48ET).
- Винтовые клеммы; observe polarity of input/output common terminals to avoid short circuits.
Key Differences: FX2N-48ER vs FX2N-64ER
Main difference: Total I/O points (48 vs 64), corresponding to 24-in 24-out vs 32-in 32-out. Размеры, weight, and DC24V auxiliary power also differ; other features are identical.
- Specification Comparison
| Элемент | FX2N-48ER | FX2N-64ER | Difference |
| Total I/O | 48 | 64 | +16 points (8 inputs, 8 outputs) |
| Inputs | 24-point DC24V | 32-point DC24V | +8 inputs |
| Outputs | 24-point relay | 32-point relay | +8 outputs |
| Размеры | 182×90×87 mm | 220×90×87 mm | 38 mm wider |
| Масса | 0.85 кг | 1.0 кг | +0.15 кг |
| DC24V Aux Power | 460 мА | 600 мА | +140 мА |
| Output Common | 4/8 points per common, 8A max | Same | Идентичный |
| Expansion Type | Built-in power expansion | Same | Идентичный |
| Контрольная мощность | DC5V from main unit via cable | Same | Идентичный |
| Compatible PLCs | FX1N/FX2N/FX3G/FX3U | Same | Идентичный |
- Application Impact
- Control Scale
FX2N-48ER: Small/medium machines, packaging, single-line automation
FX2N-64ER: Medium/large systems, multi-line control, more sensors/actuators
- Место для установки
FX2N-64ER is wider; extra space required in control panel.
- Field Device Power
FX2N-64ER provides more DC24V current for more sensors.
- Расширение
Both support up to 7 expansion units, max 256 I/O.
- Рекомендации по выбору
- Choose based on actual I/O; slight redundancy is acceptable.
- Space-limited panels: prefer FX2N-48ER.
- Many DC24V sensors: prefer FX2N-64ER.
- Cost: FX2N-64ER is slightly more expensive.
