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

UN 223-1PH32-0XB0


SM 1223 Digital input/output Module which is similar as Siemens S7-1200 PLC

1) SM 1223 Digital input/output 8DI 24V DC/ 8DO Relay
2) Compatible with Siemens 6es7
 223-1PH32-0XB0
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 1223
DI 8x24 V DC 
DQ 8×RLY



Order number UN 223-1PH32-0XB0


dimensionWxHxD(mm) 45x100x75


weight 230 g 


Power consumption 5.5 W


Current consumption (SM bus) 145 mA


Current consumption (24VDC) Each point input used is 4mA
7mA per relay coil used



Digital input
Enter points 8


Type Sink/Source type (IEC Class 1 sink type)
Rated voltage 24V DC at 4 mA, nominal
Allowed continuous voltage Max 30V DC
Surge voltage 35VDC, lasting 0.5s
Logic 1 signal (minimum) 2. 15V DC at 5mA
Logic 0 signal (maximum) 5 V DC at 1 mA
Isolation (field side and logic side) 707VDC (type test)
Isolation group 2


Filter time 0.2, 0.4, 0.8, 1.6, 3.2, 6.4 and 12.8ms (selectable, 4 in a group)
Number of inputs connected simultaneously 8


Cable length (meter) 500 (shielded); 300 (unshielded)
Digital output



Output points 8


Type Relay, dry contact


Voltage range 5-30VDC or 5-250VAC                                                                               


Logic 1 signal at maximum current -


Logic 0 signal with 10 KQ load -


Current (maximum) 2.0A


Lamp load 30 W DC/200 WAC                                                                           


On-state contact resistance 0.2 Ω maximum for new equipment


Leakage current per point -


Inrush current 7A with contacts closed


Overload protection None


Isolation (field side and logic side) 1500VAC (coil and contacts)
None (coil and logic side)



Isolation group 2                                                                  


Current at each common terminal 10 A


Inductor clamping voltage --                                                                                                         


Switching delay Maximum 10 ms


Mechanical life (no load) 10,000,000 open/close cycles                                                            


Contact life under rated load 100,000 open/close cycles


Behavior during RUN-STOP Previous value or replacement value (default value is 0)
Number of outputs switched on simultaneously 8


Cable length (meter) 500(shielded);150(unshielded)

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.