Mitsubishi Electric QX50

Technical specifications

Manufacturer

Mitsubishi Electric

Manufacturer part no.

QX50

Type

Digital input module

Application

I/O module

Used with

MELSEC-Q base units

Input type

DC input (positive/negative shared common type); AC input

Number of input points

16 points

Rated input voltage

DC input: 48 V DC (+20/-15 %, ripple ratio within 5 %); AC input: 48 V AC (+10/-15 %), 50/60 Hz (±3 Hz) (ripple ratio within 5 %)

Rated input current

Approx. 4 mA

ON voltage/ON current

28 V or more/2.5 mA or more

OFF voltage/OFF current

10 V or less/1 mA or less

Input resistance

Approx. 11.2 kΩ

Input response time, OFF to ON

DC input: 5 ms or less; AC input: 15 ms or less

Input response time, ON to OFF

DC input: 20 ms or less; AC input: 20 ms or less

Input common terminal arrangement

16 points/common

Isolation method

Photocoupler

Dielectric withstand voltage

1060 V AC rms/3 cycles (altitude 2000 m)

Insulation resistance

10 MΩ or higher by insulation resistance tester

Protection degree

IP2X

Operation indication

ON indication (LED)

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)

50 mA (TYP. all points ON)

External dimensions, Height

98 mm

External dimensions, Width

27.4 mm

External dimensions, Depth

90 mm

Weight

0.13 kg

General specifications

Refer to the general specifications of the CPU module.

Technical documents (1)

• Mitsubishi Electric specification database, QX50

Key features

• Input type: DC input (positive/negative shared common type); AC input
• Number of input points: 16 points
• Rated input current: Approx. 4 mA
• ON voltage/ON current: 28 V or more/2.5 mA or more
• OFF voltage/OFF current: 10 V or less/1 mA or less

About the Mitsubishi Electric QX50

The Mitsubishi Electric QX50 is a MELSEC-Q input module. Mitsubishi Electric's overview: AC/DC input: 16 points, 48 V AC/48 V DC 4 mA, response time: 20 ms, 16 points/common, positive/negative common shared type, 18-point terminal block.

What is the QX50 used for?

The QX50 mounts on a MELSEC-Q base unit and connects field signals to the CPU, which reads or writes them each cycle.

Lifecycle and successor

Phased out.

Before you order

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

Check the model name QX50 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.