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Technical Parameters



order number

UN 288-1SR20-0AA0

Dimensions W x H x D (mm)

90 x 100 x 81

Current supply (24 V DC)

300mA max.


4 mA per point input used

CPU characteristics

user memory

24KB program memory/8KB data memory/10 KB retentive memory

Onboard digital I/O

12-point input/8-point count-out

module extension

Up to 6 expansion modules

Signal Board Expansion

Up to 1 signal board

high speed counter

6 in total

Single phase: 6 200 KHz

AB phase: 4 100 KHz


Number of ports

Serial port: 1 connection, Ethernet port: 1 connection

power input

voltage range

85 ~ 264V AC

Power Output

voltage range

20.4 ~ 28.8VDC

Rated output current (maximum)

300 mA

digital input

Enter points


Rated voltage

Normal DI point: 24 V DC at 4 mA, rated value
    High-speed DI point: 24 V DC at 6.5 mA, rated value

Allowable continuous voltage

30 V DC max

HSC input frequency (maximum)

Single phase: 6 200 KHz

AB phase: 4 100 KHz

digital output

output points



relay, dry contact

voltage range

5 ~ 30V DC or 5 ~ 250V AC

Rated current per point (maximum)


Side View

Dimensions (mm)

Wiring Diagram

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