Mitsubishi Electric RX28

Technical specifications

Manufacturer

Mitsubishi Electric

Manufacturer part no.

RX28

Type

Digital input module

Application

I/O module

Used with

MELSEC iQ-R base units

Input type

AC input

Number of input points

8 points

Rated input voltage, frequency

100...240 V AC (+10/-15 %), 50/60 Hz (±3 Hz)

Input voltage distortion

Within 5 %

Rated input current

16.4 mA (200 V AC, 60 Hz); 13.7 mA (200 V AC, 50 Hz); 8.2 mA (100 V AC, 60 Hz); 6.8 mA (100 V AC, 50 Hz)

Inrush current

Maximum 950 mA, within 1 ms

ON voltage/ON current

80 V AC or more/5 mA or more (50 Hz, 60 Hz)

OFF voltage/OFF current

30 V AC or less/1.7 mA or less (50 Hz, 60 Hz)

Input impedance

12.1 kΩ (60 Hz), 14.5 kΩ (50 Hz)

Input response time, OFF to ON

10 ms or less (200 V AC 50 Hz, 60 Hz)

Input response time, ON to OFF

20 ms or less (200 V AC, 50 Hz, 60 Hz)

Input common terminal arrangement

8 points/common

Dielectric withstand voltage

2300 V AC rms for 1 minute

Insulation resistance

10 MΩ or higher by insulation resistance tester

Protection degree

IP1X

External interface,

18-point terminal block (M3 screw)

Number of occupied I/O points

16 points (I/O assignment: Input 16 points)

Internal current consumption (5 V DC)

90 mA (TYP. all points ON)

External dimensions, Height

106 mm (base unit mounting side: 98 mm)

External dimensions, Width

27.8 mm

External dimensions, Depth

131 mm

Weight

0.18 kg

General specifications

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

Technical documents (1)

• Mitsubishi Electric specification database, RX28

Key features

• Input type: AC input
• Number of input points: 8 points
• Rated input voltage, frequency: 100...240 V AC (+10/-15 %), 50/60 Hz (±3 Hz)
• Input voltage distortion: Within 5 %
• Inrush current: Maximum 950 mA, within 1 ms

About the Mitsubishi Electric RX28

The Mitsubishi Electric RX28 is a MELSEC iQ-R input module. Mitsubishi Electric's overview: AC input: 8 points, 100...240 V AC 16.4 mA (200 V AC, 60 Hz)/13.7 mA (200 V AC, 50 Hz)/8.2 mA (100 V AC, 60 Hz)/6.8 mA (100 V AC, 50 Hz), response time: 20 ms, 8 points/common, 18-point terminal block. Mitsubishi Electric lists it as on sale.

What is the RX28 used for?

The RX28 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 RX28 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.