Mitsubishi RX40C7 MELSEC iQ-R 16-Point DC Input Module

Mitsubishi Electric MELSEC iQ-R RX40C7 is a 16‑point DC input module for industrial automation and programmable logic controller (PLC) systems. Accepts 24 V DC sink or source signals. Selectable input response times from 0.1 ms to 70 ms. Built‑in interrupt function. 16 points per common with shared positive/negative common terminals. 18‑point screw terminal block, 106 mm × 27.8 mm × 131 mm, backplane mounting.

Applications:

• High‑speed input signal acquisition for machine automation and control systems

• Conveyor, material handling and packaging equipment interface

• Limit switch, pushbutton and sensor monitoring in factory automation

• Legacy system replacement and expansion for MELSEC iQ‑R PLC configurations

Technical Specifications:

Core Specifications

• Number of input points: 16

• Rated input voltage: 24 V DC

• Rated input current: 7.0 mA (TYP., at 24 V DC)

• Input type: DC input, positive/negative common shared (supports both sink and source wiring)

• Common terminal arrangement: 16 points/common (common terminal TB17)

• Response time: Selectable 0.1/0.2/0.4/0.6/1.5/10/20/70 ms

• Connection type: 18‑point screw terminal block (M3×6 screws)

• Occupied I/O points: 16 points (I/O assignment: input 16 points)

• Interrupt function: Yes (configurable via CPU module parameters)

Advanced Specifications

• ON voltage / ON current: ≥ 15 V / ≥ 4 mA

• OFF voltage / OFF current: ≤ 8 V / ≤ 2 mA

• Input impedance: 3.3 kΩ

• Dielectric withstand voltage: AC 510 Vrms for 1 minute

• Insulation resistance: ≥ 10 MΩ (insulation resistance tester)

• Noise immunity: 1,500 Vp‑p noise voltage, noise width 1 μs (noise simulator 25‑60 Hz)

• Internal current consumption (5 V DC): 110 mA (TYP., all points ON)

• Protection rating: IP2X

• Dimensions (H × W × D): 106 mm × 27.8 mm × 131 mm

• Weight: approx. 0.16 kg

• Operating temperature: 0 °C … 55 °C

• Storage temperature: –20 °C … 75 °C

System Integration:

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

• Installs into any MELSEC iQ‑R series main base unit or extension base unit slot.

• Compatible with R00CPU, R04CPU, R08CPU, R16CPU, R32CPU, R64CPU, R120CPU, and other MELSEC iQ‑R series CPU modules.

• Positive/negative common shared design allows both sink and source wiring without hardware changes.

• Response time is set via CPU module parameters.

• Interrupt function is configured in the CPU module parameter settings.

Standards & Compliance:
Refer to manufacturer official documentation for detailed certification and compliance information.

Related Products:

• RX40C7‑TS – 16‑point DC input module with spring‑clamp terminal block

• RX41C4 – 32‑point DC input module with 40‑pin connector

• RX42C4 – 64‑point DC input module with dual 40‑pin connectors

• R6DIN1 – DIN rail mounting adapter (for rail mounting)