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

UN 221-1BL22-0XA0


UniMAT 200 PLC EM221 32 Digital Inputs Programming Logic Controller

1). EM221 32DI ,  24V DC ;
2). Compatible with Siemens 6ES7221-1BL22-0XA0 ; 
3). Digital Input module ;
4). Could connect with Siemens 200 CPU ;
5)). 3-year warranty ;

From bus current consumption

140mA

Power loss

5.2W

Number of digital inputs

32

Signal input type·

PNP/NPN

Input voltage range

24V DC,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)

137.5×80×62

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.