Siemens SB1223 Digital I/O, 2DI/2DQ, 24VDC

Product Overview

The SIMATIC S7-1200 Digital I/O Signal Board SB 1223 provides compact digital signal processing with 2 inputs and 2 outputs. Featuring 24V DC operation for both inputs and outputs, this ultra-compact signal board delivers essential I/O expansion for space-constrained S7-1200 automation applications requiring minimal additional digital interfacing.

Key Features

• 2 Digital Inputs + 2 Digital Outputs: Compact I/O configuration with 24V DC operation for both inputs and outputs
• Direct CPU Integration: Plugs directly into the CPU front panel without requiring additional mounting space
• Space-Saving Design: Ultra-compact signal board form factor for minimal cabinet footprint
• Dual 24V DC Operation: Consistent voltage level for both input and output channels
• Universal CPU Compatibility: Compatible with all S7-1200 CPU models including CPU 1211C
• Hot-Swappable Installation: Field-replaceable without system shutdown for maintenance convenience

Technical Specifications

• I/O Configuration: 2 DI (24V DC) + 2 DO (24V DC)
• Dimensions: Ultra-compact signal board format | Weight: 0.030 kg
• Input Voltage: 24V DC | Output Voltage: 24V DC
• Output Current: 0.5A per channel (typical for SB 1223 series)
• Operating Temperature: Standard industrial range | Protection: IP20
• Connection: Removable terminal connections for field wiring

Applications & Integration

Primary Applications:

• Compact automation systems requiring minimal I/O expansion
• Space-constrained control panels with limited mounting area
• Small machine control applications with basic digital interfacing needs

System Compatibility:

• All S7-1200 CPU models (1211C, 1212C, 1214C, 1215C, 1217C)
• TIA Portal configuration with STEP 7 Basic programming environment
• Direct plug-in mounting to CPU front receptacle
• Does not consume signal module slots, allowing maximum expansion flexibility

Quality & Compliance

• Status: Active Product (PM300) | Origin: China
• EAN: 6940408100466 | UPC: 040892550108
• RoHS Compliant: Since 15.05.2014 | WEEE: No take-back obligation
• REACH: Contains lead and lead oxide above 0.1% w/w (safe when used as intended)

Package Contents

• 1 × SB 1223 Signal Board (2 DI/2 DO), technical documentation, connection hardware

Download existing graphical data for this product:

• Technical Datasheet
• Product Information Page
• SB 1223 Product Family
• TIA Portal Documentation
• Technical Specifications