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

UN 221-1BH32-0XB0


SM 1221 Digital input 1200PLC Module which is similar as Siemens S7-1200 PLC

1) SM 1221 Digital input, 16 DI 24V DC
2) Compatible with Siemens 6es7 221-1BH32-0XB0
3) Digital module;
4) Could connect with Siemens 1200 CPU and Modules;
5) 3-year warranty;
6) 2-3 working days after payment can ship;
7) Material: ABS, IC
 

Model SM 1221 DI 16 x24V DC
Order number UN 221-1BH32-0XB0            
General
Dimension W x H x D ( m m ) 45×100×75
Weight 210 g
Power consumption 2.5 W                    
Current consumption (SM bus) 130 mA
Current consumption (24VDC) Each point input used is 4mA
Digital input
Enter points 16                    
Type Sink/Source type (IEC Class 1 sink type)
Rated voltage 24VDC at 4mA, rated value
Allowed continuous voltage Maximum 30V DC
Surge voltage 35VDC, lasting 0.5
Logic 0 signal (minimum) 2. 15V DC at 5mA
Logic 1 signal (maximum) 5 V DC  at  1 mA
Isolation (field side and logic side) 707V DC(Type test)
Isolation group  4                            
Filter time 0.2, 0.4, 0.8, 1.6, 3.2, 6.4 and 12.8 ms (selectable, 4 in a group)
Number of inputs connected simultaneousl 16             
Cable length (meter) 500 (shielded);300 (unshielded)
UN 1200 Digital expansion module
1 UN 221-1BF32-0XB0 SM1221 8DI 24VDC
2 UN 221-1BH32-0XB0 SM1221 16DI 24VDC
3 UN 222-1HF32-0XB0 SM1222 8DO RELAY
4 UN 222-1BF32-0XB0 SM1222 8DO 24VDC
5 UN 222-1HH32-0XB0 SM1222 16DO RELAY
6 UN 222-1BH32-0XB0 SM1222 16DO 24VDC
7 UN 223-1PH32-0XB0 SM1223 8DI 24VDC/8DO RELAY
8 UN 223-1BH32-0XB0 SM1223 8DI 24VDC/8DO 24VDC
9 UN 223-1PL32-0XB1 SM1223 16DI 24VDC/16DO RELAY
10 UN 223-1BL32-0XB0 SM1223 16DI 24VDC/16DO 24VDC
UN 1200 Analog expansion module
1 UN 231-4HD32-0XB0 SM1231 4AI 13BITS
2 UN 231-5ND32-0XB0 SM1231 4AI 16BITS
3 UN 231-4HF32-0XB0 SM1231 8AI 13BITS
4 UN 231-5PD32-0XB0 SM1231 4RTD 16BITS
5 UN 231-5QD32-0XB0 SM1231 4TC 16BITS
6 UN 231-5PF32-0XB0 SM1231 8RTD 16BITS
7 UN 231-5QF32-0XB0 SM1231 8TC 16BITS
8 UN 232-4HB32-0XB0 SM1232 2AO 14BITS
9 UN 232-4HD32-0XB0 SM1232 4AO 14BITS
10 UN 234-4HE32-0XB0 SM1234 4AI/2AO

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.