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We are a Chinese PLC/HMI/VFD manufacturer with 20 years of experience.

EM121 16DI 24VDC


16 digital input,24V DC      

opto-couplers isolation,    

Strong anti-interference performance, stable  

From bus current consumption

85mA

Power loss

3W

Number of digital inputs

16

Signal input type·

PNP/NPN

Input voltage range

24VDC,4mA

Maximum input voltage

30V DC

Surge voltage

35V DC,0.5s

Logic 0 signal

0~5V DC

Logic 1 signal

15~30V DC

Input delay(max)

4.5ms

Optical isolation(Galvanic) (Field Side to Logic)

500 V AC for 1 minute

Premissible leakage current(Bero)

1mA

Cable Length

500m(Shielded )

300m(Unshielded)

Dimensions(W x H x D)(mm)

71.2×80×62

20 years experience

3-year warranty

Support free sample test


  1. Shenzhen Unimat Automation Technology Co., Ltd., established in 2005, is a National High-Tech Enterprise, a Specialized and Innovative Enterprise, and a participant in the development of the national standard for Programmable Controllers, specializing in industrial automation control.
  2. The company's products include PLCs, HMIs, VFDs, and Industrial Internet of Things systems, all of which have complete independent intellectual property rights.

As of December 2023, UniMAT PLC sales have exceeded 2,000,000 units.