Mitsubishi Electric LX42C4

Technical specifications

Manufacturer

Mitsubishi Electric

Manufacturer part no.

LX42C4

Type

Digital input module

Application

I/O module

Used with

MELSEC-L CPU modules

Input type

DC input (positive/negative shared common type)

Number of input points

64 points

Rated input voltage

24 V DC (ripple ratio: within 5 %) (allowable voltage range: 20.4...28.8 V DC)

Rated input current

4.0 mA TYP. (24 V DC)

ON voltage/ON current

19 V or more/3 mA or more

OFF voltage/OFF current

9 V or less/1.7 mA or less

Input resistance

5.7 kΩ

Input response time, OFF to ON

1 ms, 5 ms, 10 ms, 20 ms, 70 ms or less

Input response time, ON to OFF

1 ms, 5 ms, 10 ms, 20 ms, 70 ms or less

Input common terminal arrangement

32 points/common

Dielectric withstand voltage

510 V AC/minute (altitude 2000 m)

Insulation resistance

10 MΩ or higher by insulation resistance tester

Protection degree

IP2X

External interface,

40-pin connector × 2

External interface, Applicable connector

A6CON1, A6CON2, A6CON3, A6CON4 (sold separately)

Number of occupied I/O points

64 points (I/O assignment: Input 64 points)

Internal current consumption (5 V DC)

120 mA

External dimensions, Height

90 mm

External dimensions, Width

28.5 mm

External dimensions, Depth

95 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, LX42C4

Key features

• Input type: DC input (positive/negative shared common type)
• Number of input points: 64 points
• Rated input current: 4.0 mA TYP. (24 V DC)
• ON voltage/ON current: 19 V or more/3 mA or more
• OFF voltage/OFF current: 9 V or less/1.7 mA or less

About the Mitsubishi Electric LX42C4

The Mitsubishi Electric LX42C4 is a MELSEC-L input module. Mitsubishi Electric's overview: DC input: 64 points, 24 V DC 4 mA, response time: 1/5/10/20/70 ms, 32 points/common, positive/negative common shared type, 40-pin connector x 2. Mitsubishi Electric names the MXF100-X32 and RX42C4 as replacement models.

What is the LX42C4 used for?

The LX42C4 joins a MELSEC-L system beside the CPU, with no base unit, and connects field signals to it.

Lifecycle and successor

Phased out.

OEM successor: MXF100-X32

Before you order

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

Check the model name LX42C4 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.