Mitsubishi FX5-8AD MELSEC iQ-F 8‑Channel Analog Input Module

Mitsubishi Electric FX5-8AD is a multi‑input analog module for the MELSEC iQ‑F series. Provides 8 channels configurable for voltage, current, thermocouple, or RTD signals. 16‑bit signed binary conversion with adjustable conversion speed. Screwless spring clamp terminal block, DIN rail mounting.

Applications:

• Process variable monitoring in factory automation systems

• Machine automation and data acquisition from analog sensors

• Packaging machinery and material handling process control

• OEM equipment requiring multi‑channel analog input expansion

Core Specifications:

• Number of input channels: 8

• Voltage input ranges: 0 to 5 V, 0 to 10 V, 1 to 5 V, –10 to +10 V

• Current input ranges: 0 to 20 mA, 4 to 20 mA, –20 to +20 mA

• Thermocouple types: K, J, T, B, R, S

• RTD types: Pt100, Ni100

• Conversion speed: 1 ms per channel (voltage/current), 40 ms per channel (thermocouple/RTD)

• Resolution: 16‑bit signed binary (–32000 to +32000)

• Digital output value scaling: depends on input range (32000 full scale, or –32000 to +32000 for bipolar ranges)

• Accuracy: ±0.3% of full scale at 25±5 °C, ±0.5% at –20 to 55 °C (for voltage/current)

• Occupied I/O points: 8

• Power supply: 24 V DC (external 100 mA, internal 40 mA)

• Input impedance: 1 MΩ (voltage), 250 Ω (current)

• Absolute maximum input: voltage ±15 V, current ±30 mA

• Isolation: Photocoupler isolation between input terminals and PLC (no isolation between channels)

• Protection rating: IP20

• Dimensions (W × H × D): 50 mm × 90 mm × 83 mm

• Weight: approx. 0.3 kg

• Operating temperature: –20 °C … 55 °C

System Integration:

• This module belongs to the Mitsubishi Electric MELSEC iQ‑F series.

• Connects to FX5U, FX5UC, FX5UJ CPU modules via the extension connector.

• For FX5UC CPU modules, use FX5‑CNV‑IFC or FX5‑C1PS‑5V adapter for connection.

• Configuration and parameter setting performed using GX Works3 engineering software.

• The module supports normal mode and FX2N allocation mode for compatibility with existing programs.

• Up to 16 FX5‑8AD modules can be connected to a single system.

Standards & Compliance:
Refer to manufacturer official documentation for certification and compliance details (CE, cUL, RoHS).

Related Products:

• FX5‑4AD – 4‑channel analog input module

• FX5‑4DA – 4‑channel analog output module

• FX5‑4AD‑ADP – 4‑channel analog input adapter (left side connection)

• FX5‑CNV‑IFC – Conversion adapter for connecting to FX5UC CPU modules

• FX5‑C1PS‑5V – Power supply adapter for FX5UC CPU modules