Mitsubishi Electric LY20S6

Technical specifications

Manufacturer

Mitsubishi Electric

Manufacturer part no.

LY20S6

Type

Digital output module

Application

I/O module

Used with

MELSEC-L CPU modules

Output type

TRIAC output

Number of output points

16 points

Rated load voltage, frequency

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

Maximum load current

0.6 A/point, 4.8 A/common

Load voltage distortion rate

Within 5 %

Maximum load voltage

264 V AC

Minimum load voltage/current

24 V AC 100 mA, 100 V AC 25 mA, 240 V AC 25 mA

Maximum inrush current

20 A/cycle or less

Leakage current at OFF

3 mA or less (at 240 V AC, 60 Hz), 1.5 mA or less (at 120 V AC, 60 Hz)

Maximum voltage drop at ON

1.5 V or less (at 0.6 A)

Output response time, OFF to ON

1 ms + 0.5 cycles or less

Output response time, ON to OFF

1 ms + 0.5 cycles or less (rated load, resistive load)

Surge suppressor

CR absorber

Fuse

None

Output common terminal arrangement

16 points/common

Dielectric withstand voltage

2300 V AC/minute (altitude 2000 m)

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: Output 16 points)

Internal current consumption (5 V DC)

300 mA (TYP. all points ON)

External dimensions, Height

90 mm

External dimensions, Width

28.5 mm

External dimensions, Depth

117 mm

Weight

0.22 kg

Technical documents (1)

• Mitsubishi Electric specification database, LY20S6

Key features

• Output type: TRIAC output
• Number of output points: 16 points
• Rated load voltage, frequency: 100...240 V AC (+10/-15 %), 50/60 Hz (±3 Hz)
• Maximum load current: 0.6 A/point, 4.8 A/common
• Load voltage distortion rate: Within 5 %

About the Mitsubishi Electric LY20S6

The Mitsubishi Electric LY20S6 is a MELSEC-L output module. Mitsubishi Electric's overview: Triac output: 16 points, 100...240 V AC, 0.6 A/point, 4.8 A/common, response time: 1 ms + 0.5 cycles, 16 points/common, 18-point terminal block. Mitsubishi Electric lists it as discontinued since 2024/09, with repair support until 2031/09.

What is the LY20S6 used for?

The LY20S6 joins a MELSEC-L system beside the CPU, with no base unit, and connects field signals to it.

Lifecycle and successor

Discontinued.

Before you order

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

Check the model name LY20S6 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.