About Siemens S7-1200 SB1223 2DIDO

Siemens S7-1200 SB1223 2DI/2DO Signal Board

The Siemens S7-1200 SB1223 2DI/2DO Signal Board, offered by Naksh Technology Solution LLP, is an expansion module designed for Siemens S7-1200 PLCs.

It provides 2 digital inputs and 2 digital outputs, making it a compact solution for small-scale automation and control applications.

The module integrates seamlessly with TIA Portal, ensuring efficient signal processing and reliable performance in machine control, process automation, and industrial monitoring.

Its space-saving design makes it ideal for applications that require flexibility and scalability.

Siemens SB 1223 (6ES7223-0BD30-0XB0)

SIMATIC S7-1200 Digital I/O Signal Board 2 DI / 2 DO (24 V DC)

General Information

• Product type: SB 1223, DI 224 V DC / DQ 224 V DC

Supply Voltage

• Permissible range (DC): 20.4 28.8 V

Backplane Bus

• Input current (5 V DC): typ. 50 mA

Transmitter Supply (Header)

• Max supply current per channel: 4 mA

Power Loss

• Typical: 1 W

Digital Inputs (2 DI, 24 V DC)

• Type: Current-sinking

• Grouping: In groups of 1

• IEC 61131 Type 1 compliant: Yes

• Max controllable inputs ( 40C): 2

Input Voltage

• Rated value: 24 V DC

• Signal 0: 0 5 V

• Signal 1: 15 30 V

Input Current

• Signal 0: 1 mA

• Signal 1: typ. 7 mA

Input Delay (parameterizable)

Selectable: 0.2 / 0.4 / 0.8 / 1.6 / 3.2 / 6.4 / 12.8 ms

• 01 (max): 2 s

• 10 (max): 10 s

• Interrupt inputs: Yes

• Technological functions: Yes

Cable Length

• Shielded: max. 50 m

Digital Outputs (2 DO, 24 V DC)

• Type: MOSFET (sinking/sourcing)

• Grouping: In groups of 1

• Short-circuit protection: No

Switching Capacity

• Resistive load: max. 0.5 A

• Lamp load: max. 5 W

Load Resistance

• Minimum: 0.6

Output Voltage

• Rated: 24 V DC

• Signal 0: max. 0.1 V (at 10 k load)

• Signal 1: min. 20 V

Output Current

• Signal 1: 0.5 A (rated & max)

• Residual current (signal 0): max. 10 A

Cable Length

• Shielded: max. 50 m

Diagnostics & Status

• Alarms: Yes

• Diagnostics functions: Yes

• LED indications:

  • Input status: Yes

  • Output status: Yes

Standards & Approvals

• CE, UL, CSA, cULus

• FM, RCM, KC

• Marine approvals: Yes

Environmental Conditions

Operating Temperature

• 20 C +60 C

• Vertical installation: max 50 C

Storage/Transport

• 40 C +70 C

Air Pressure

• Storage/transport: 660 1080 hPa

Humidity

• Up to 95% (no condensation)

Free Fall

• 0.3 m (in product package), 5 times

Mechanics / Dimensions

• Material: Plastic (front)

• Width: 38 mm

• Height: 62 mm

• Depth: 21 mm

• Weight: approx. 40 g 

Technical Details