MITSUBISHI
Mitsubishi FX3U-4AD-ADP MELSEC-F 4-Channel Analog Input Adapter
Mitsubishi FX3U-4AD-ADP MELSEC-F 4-Channel Analog Input Adapter
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Mitsubishi Electric FX3U‑4AD‑ADP is an analog input special adapter for the MELSEC‑F FX3U series PLC system. Connects to the left side of the CPU module and provides 4 analog input channels independently configurable for voltage (0–10 V DC) or current (4–20 mA DC) signals. Data transmission requires no dedicated instructions. Suitable for analog signal acquisition in factory automation, OEM equipment, and process control applications.
Applications:
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Analog signal acquisition from pressure, flow, level and temperature sensors
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Machine automation and industrial data acquisition
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Packaging machinery and material handling systems
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OEM equipment requiring four‑channel analog input expansion
Core Specifications:
| Parameter | Specification |
|---|---|
| Number of analog input channels | 4 (independent configuration per channel) |
| Input voltage range | DC 0 … 10 V (input resistance 194 kΩ) |
| Input current range | DC 4 … 20 mA (input resistance 250 Ω) |
| Effective digital output | 12‑bit binary (voltage), 11‑bit binary (current) |
| Resolution | Voltage 2.5 mV (10 V/4000), Current 10 μA (16 mA/1600) |
| Accuracy at 25 ±5 °C | Voltage ±0.5% (±50 mV), Current ±0.5% (±80 μA) |
| Accuracy over 0 … 55 °C | Voltage ±1.0% (±100 mV), Current ±1.0% (±160 μA) |
| Conversion speed | 200 μs (data updated every scan cycle) |
| Power supply (A/D circuit) | DC5 V 15 mA (from CPU module) |
| Power supply (external) | DC24 V +20% / –15%, 40 mA (via screw terminal) |
| Isolation | Photocoupler isolation between analog inputs and PLC; DC/DC converter insulation for power supply (no channel‑to‑channel isolation) |
| Occupied I/O points | 0 (does not consume CPU I/O points) |
| Protection rating | IP2X |
| Mounting | DIN rail (35 mm) or panel mount |
| Dimensions (W × H × D) | 17.6 mm × 90 mm × 89.5 mm |
| Weight | approx. 0.1 kg |
| Operating temperature | 0 °C … 55 °C |
| Storage temperature | –20 °C … 70 °C |
Compatibility information:
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Compatible with Mitsubishi Electric FX3S, FX3G, FX3GE, FX3GC, FX3U, FX3UC series PLCs (FX3UC requires Ver. 2.0 or later CPU and functional expansion board)
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Mounts on the left side of the CPU module via the expansion connector
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Up to 4 special adapters (analog input, analog output, temperature input) can be connected to a single CPU module
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The adapter occupies 0 I/O points; no special I/O number allocation required
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Data is transferred without dedicated instructions — analog values are automatically written to special registers (SD6200–SD6239) corresponding to each channel
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Maximum total current consumption (DC5 V) for all connected special adapters must not exceed the CPU module’s internal power supply capacity
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For detailed installation, wiring and configuration, refer to the FX3U‑4AD‑ADP User's Manual (Manual No. JY997D13901).
Standards & Compliance:
CE (EMC Directive, LVD), UL/cUL, KC, ABS, DNV, GL, LR, BV, RINA, NK, KR. Refer to manufacturer official documentation for detailed certification and compliance information.
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