PLC | Siemens | 6ES7 223-1PL32-0XB0 S7-1200 Digital I/O SM 1223 6ES7223-1PL32-0XB0

Product Description: Siemens 6ES7223-1PL32-0XB0

The Siemens 6ES7223-1PL32-0XB0 is a digital I/O expansion module from the SIMATIC S7-1200 series, model SM 1223. It provides 16 digital inputs (24 V DC) and 16 relay-type digital outputs, allowing for a compact and flexible extension of the base CPU’s capabilities. Designed for general-purpose automation tasks, it is ideal for controlling and monitoring digital field devices in industrial and building automation systems. Configuration is performed using the TIA Portal with STEP 7 Basic or Professional.

Key Features

• Digital Inputs: 16 channels, 24 V DC sink/source
• Digital Outputs: 16 channels, relay type
• Isolation: Galvanic isolation between channels and backplane bus
• Mounting: DIN rail mounting directly next to S7-1200 CPU
• Configuration: Through TIA Portal software
• LED Indicators: Status LEDs for all input/output channels

Technical Specifications

• System Series: SIMATIC S7-1200
• Module Type: Digital I/O Module (SM 1223)
• Number of Digital Inputs: 16 (24 V DC)
• Input Type: Sink/Source
• Number of Digital Outputs: 16 (Relay, NO contact)
• Output Switching Capacity: Max. 2 A per channel, 8 A total
• Isolation: Yes, between I/O and logic
• Power Supply: Supplied via backplane bus
• Dimensions (W × H × D): 90 mm × 100 mm × 75 mm
• Mounting Position: Vertical on DIN rail
• Protection Class: IP20
• Operating Temperature Range: 0 °C to +55 °C
• Certifications: CE, cULus, RCM, KC

Application Areas

• General-purpose digital signal acquisition and control
• Machine and process automation with medium I/O requirements
• Expansion of S7-1200 systems in compact control cabinets
• Relay output applications for actuators, solenoids, and indicators

Advantages

• Combines high I/O density in a compact footprint
• Relay outputs enable direct switching of higher load devices
• Seamless integration into TIA Portal for easy setup
• Ideal for distributed and modular control architectures