Mitsubishi Electric RX71C4

Technical specifications

Manufacturer

Mitsubishi Electric

Manufacturer part no.

RX71C4

Type

Digital input module

Application

I/O module

Used with

MELSEC iQ-R base units

Input type

DC input (positive/negative shared common type)

Number of input points

32 points

Rated input voltage

5 V DC (ripple ratio: within 5 %) (allowable voltage range: 4.25...6 V DC); 12 V DC (ripple ratio: within 5 %) (allowable voltage range: 10.2...14.4 V DC)

Rated input current

1.7 mA TYP. (5 V DC); 4.8 mA TYP. (12 V DC)

ON voltage/ON current

3.5 V or more/1 mA or more

OFF voltage/OFF current

1 V or less/0.1 mA or less

Input resistance

2.3 kΩ

Input response time, OFF to ON

0.2 ms, 0.3 ms, 0.5 ms, 0.6 ms, 1 ms, 5 ms, 10 ms, 20 ms, 70 ms

Input response time, ON to OFF

0.21 ms, 0.3 ms, 0.5 ms, 0.6 ms, 1 ms, 5 ms, 10 ms, 20 ms, 70 ms

Input common terminal arrangement

32 points/common

Dielectric withstand voltage

510 V AC rms for 1 minute

Insulation resistance

10 MΩ or higher by insulation resistance tester

Protection degree

IP2X

External interface,

40-pin connector

External interface, Applicable connector

A6CON1, A6CON2, A6CON3, A6CON4 (sold separately)

Number of occupied I/O points

32 points (I/O assignment: Input 32 points)

Internal current consumption (5 V DC)

140 mA

External dimensions, Height

106 mm (base unit mounting side: 98 mm)

External dimensions, Width

27.8 mm

External dimensions, Depth

110 mm

Weight

0.12 kg

General specifications

Refer to the general specifications of the CPU module or remote head module.

Technical documents (1)

• Mitsubishi Electric specification database, RX71C4

Key features

• Input type: DC input (positive/negative shared common type)
• Number of input points: 32 points
• Rated input current: 1.7 mA TYP. (5 V DC); 4.8 mA TYP. (12 V DC)
• ON voltage/ON current: 3.5 V or more/1 mA or more
• OFF voltage/OFF current: 1 V or less/0.1 mA or less

About the Mitsubishi Electric RX71C4

The Mitsubishi Electric RX71C4 is a MELSEC iQ-R input module. Mitsubishi Electric's overview: DC input: 32 points, 5/12 V DC 1.7 mA (5 V DC)/4.8 mA (12 V DC), response time: 0.1/0.2/0.4/0.6/1/5/10/20/70 ms, 32 points/common, positive/negative common shared type, 40-pin connector. Mitsubishi Electric lists it as on sale.

What is the RX71C4 used for?

The RX71C4 mounts on a MELSEC iQ-R base unit and connects field signals to the CPU, which reads or writes them each cycle.

Lifecycle and successor

Active.

Before you order

What to photograph or confirm so the right unit is quoted.

Check the model name RX71C4 on the rating plate, with the serial number and function version. Send us a photo of the rating plate and we will confirm the details before quoting.