About Siemens S7-1200 2DI2DO Module

The Siemens S7-1200 2DI/2DO Module by Naksh Technology Solution LLP is a versatile expansion module designed for the Siemens S7-1200 PLC. This module provides 2 digital inputs (DI) and 2 digital outputs (DO), allowing users to integrate simple on/off control signals into their automation systems. It is ideal for applications requiring basic digital signal processing, such as controlling sensors, actuators, or other binary devices. The Siemens S7-1200 2DI/2DO Module ensures reliable and fast communication, and can be easily configured using TIA Portal software for streamlined integration into Siemens S7-1200 PLC systems.

Data Sheet: 6ES7223-0BD30-0XB0

SIMATIC S7-1200 Digital I/O Module SB 1223 (2 DI / 2 DO, 24 V DC)

1. General Information

• Product type designation: SB 1223 (DI 224 V DC / DQ 224 V DC)

2. Supply Voltage

• Permissible range (DC):

  • Lower limit: 20.4 V

  • Upper limit: 28.8 V

3. Input Current

• From backplane bus (5 V DC): typ. 50 mA

4. Output Voltage / Transmitter Supply

• Supply current per channel: max. 4 mA

5. Power Loss

• Typical power loss: 1 W

6. Digital Inputs

• Number of digital inputs: 2 (current-sinking)

• Grouping: in groups of 1

• Input type: IEC 61131 Type 1

• Maximum simultaneously controllable inputs (all mounting positions):

  • Up to 40 C: max. 2

Input Voltage

• Rated value: 24 V DC

• Signal "0": 0 5 V

• Signal "1": +15 +30 V

Input Current

• Signal "0": max. 1 mA

• Signal "1": typ. 7 mA

Input Delay (at rated voltage)

• Parameterizable: Yes

• Options: 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, 12.8 ms (in groups of four)

• Max switching times:

  • "0" "1": 2 s

  • "1" "0": 10 s

Cable Length

• Shielded: max. 50 m

7. Digital Outputs

• Number of digital outputs: 2 (MOSFET, solid-state)

• Grouping: in groups of 1

• Short-circuit protection: No

Switching Capacity

• Resistive load: max. 0.5 A

• Lamp load: max. 5 W

Load Resistance

• Upper limit: 0.6

Output Voltage

• Rated: 24 V DC

• Signal "0": max. 0.1 V (10 k load)

• Signal "1": min. 20 V

Output Current

• Rated "1": 0.5 A

• Maximum: 0.5 A

• Residual current ("0"): max. 10 A

Cable Length

• Shielded: max. 50 m

8. Interrupts / Diagnostics / Status

• Alarms: Yes

• Diagnostics: Yes

• LEDs:

  • Input status: Yes

  • Output status: Yes

9. Standards & Approvals

• CE

• CSA

• UL

• cULus

• FM

• RCM

• KC

• Marine approval

10. Ambient Conditions

Free Fall

• Max 0.3 m (five times in product packaging)

Operating Temperature

• Horizontal installation: 20 +60 C

• Vertical installation: 20 +50 C

Storage / Transportation

• Temperature: 40 +70 C

• Air pressure: 660 1080 hPa

Humidity

• At 25 C, without condensation: max. 95%

11. Mechanics / Material

• Front enclosure: Plastic

12. Dimensions

• Width: 38 mm

• Height: 62 mm

• Depth: 21 mm

13. Weight

• Approx. 40 g 

Technical Details