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Mitsubishi Electric FX5-8AD — PLCs (Programmable Logic Controllers)

Mitsubishi FX5-8AD Analog Input, 8-Ch ±10V/±20mA

MPNFX5-8AD

Mitsubishi MELSEC iQ-F Series, Analog Input Module, FX5-8AD, 8 channels, ±10 V DC / ±20 mA DC, photocoupler isolation, 0.3 kg.

$575.31 – $1,379.00Ref. price · indicative, final on quote

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Mitsubishi Electric FX5-8AD datasheet (PDF)

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

FX5-8AD — Mechanical
Parameter	Value
Weight	0.3 Kg

FX5-8AD — Other specifications
Parameter	Value
Product type	Programmable Logic Controller
Isolation method	Between input terminal and PLC: Photocoupler, Between input terminal and channels: Non-isolation
Analog input current	-20 to +20 mA DC (input resistance 250 O)
Analog input voltage	-10 to +10 V DC (input resistance 1 MO)
Absolute maximum input	Voltage: ±15 V, Current: ±30 mA
Number of analog input points	8 points (8 channels)
Number of occupied i (O points)	8 points

Product details

The Mitsubishi FX5-8AD is an active-production 8-channel analog input module for the MELSEC iQ-F PLC series. It accepts ±10 V DC or ±20 mA DC per channel (input resistance 1 MΩ for voltage, 250 Ω for current) with an absolute maximum of ±15 V or ±30 mA. Photocoupler isolation sits between the input terminals and the PLC backplane; channels share a common reference with no channel-to-channel galvanic separation. Each module occupies 8 I/O points on the CPU head.

Voltage input range -10 to +10 V DC; current input range -20 to +20 mA DC per channel. Photocoupler isolation between terminals and PLC; channels non-isolated from each other.

Panel and wiring notes

8 analog input channels, each accepts ±10 V DC or ±20 mA DC. Absolute maximum ±15 V or ±30 mA. Photocoupler isolation between input terminals and PLC; inter-channel non-isolated.

Frequently asked questions

Can the FX5-8AD replace an FX5-232ADP in a panel?

No. The FX5-232ADP is a serial communication module (RS-232C) while the FX5-8AD is an analog input module. They are not functionally interchangeable and require different field wiring.