Siemens SB1223 Digital input/output, 2DI/2DQ, 5VDC

Product Overview

The SIMATIC S7-1200 Digital I/O Signal Board SB 1223 provides high-speed digital signal processing with 2 digital inputs and 2 digital outputs. Operating at 5V DC with 200kHz switching frequency, this compact signal board offers rapid response times for demanding automation applications requiring fast pulse counting and high-frequency switching.

Key Features

• 2 Digital Inputs + 2 Digital Outputs: High-speed I/O with 5V DC operation and 200kHz capability
• Ultra-Fast Switching: 200kHz frequency support with 0.05ms signal delay for rapid response
• Direct CPU Integration: Plugs directly into S7-1200 CPU front panel without additional mounting space
• Optically Isolated Channels: Enhanced noise immunity and signal integrity
• Compact Form Factor: 38mm width signal board design for space-constrained installations
• Hot-Swappable Design: Field-replaceable without system shutdown for maintenance efficiency

Technical Specifications

• I/O Configuration: 2 DI + 2 DQ channels, 5V DC operation
• Dimensions: 38 × 62 × 21 mm (W × H × D) | Weight: 0.028 kg
• Operating Temperature: -20°C to +50°C (vertical), -20°C to +60°C (horizontal)
• Switching Frequency: Up to 200kHz | Signal Delay: 0.05ms typical
• Input Current: 15mA per channel | Output Current: 0.1A per channel
• Voltage Ranges: Input 0-6V DC, Output 4.25-5V DC | Connection: Screw terminals

Applications & Integration

Primary Applications:

• High-speed encoder feedback systems, pulse counting applications
• Fast switching control of actuators and solenoids
• Rapid sensor interface for motion control systems

System Compatibility:

• All S7-1200 CPU models including CPU 1211C, 1212C, 1214C, 1215C, 1217C
• TIA Portal configuration with STEP 7 Basic programming environment
• Direct plug-in mounting to CPU front receptacle with electrical/mechanical connection
• Compatible with existing S7-1200 installations for I/O expansion

Quality & Compliance

• Status: Active Product (PM300) | Origin: China
• EAN: 6940408100817 | UPC: 040892692891
• RoHS Compliant: Since 15.05.2014 | WEEE: No take-back obligation
• REACH: Contains lead and lead monoxide above 0.1% w/w (safe when used as intended)

Package Contents

• 1 × SB 1223 Signal Board (2 DI/2 DQ), 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