# Siemens SIMATIC S7-1200 SM 1223 Digital Input/Output Module 6ES7223-1PL32-0XB0

**URL:** https://aio.lv/en/product--siemens-6es7223-1pl32-0xb0--1778149
**Data updated:** 2026-05-18 02:52 (EEST)
**Category:** Server Parts & Components
**Manufacturer:** Siemens
**Manufacturer code:** 6ES7223-1PL32-0XB0
**EAN:** 6940408100510
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Siemens SM 1223 is a digital input/output expansion module designed for the SIMATIC S7-1200 PLC system. It provides additional binary signal processing capabilities for industrial automation tasks. This module integrates seamlessly into the S7-1200 controller architecture, offering reliable performance for monitoring and controlling automated processes in various industrial applications.

## Long description

The Siemens SIMATIC S7-1200 SM 1223 is a high-performance digital input/output expansion module engineered to extend the signal processing capabilities of the SIMATIC S7-1200 PLC system. This module facilitates the connection of additional binary sensors and actuators, ensuring precise monitoring and control of automated industrial processes. Its compact design and seamless integration into the S7-1200 architecture make it an essential component for scalable automation solutions.
Advantages
This expansion module offers robust reliability and high-speed signal processing, which are critical for maintaining consistent performance in demanding industrial environments. By utilizing the SM 1223, users can easily increase the number of available digital I/O points without requiring a complete system overhaul. The module is designed for quick installation and configuration, significantly reducing downtime during system upgrades or expansions. Its compatibility with the standard SIMATIC ecosystem ensures that communication and data exchange remain efficient and secure across the entire automation network.
Suitable for
Industrial automation and process control systems
Monitoring binary sensors such as limit switches and proximity sensors
Controlling actuators like relays, contactors, and solenoid valves
Expanding existing S7-1200 PLC configurations
This module may not be suitable for applications requiring analog signal processing, as it is strictly designed for digital binary signals. It is also not intended for use in environments that exceed the specified operating temperature or humidity ranges defined for the S7-1200 series.
Key specifications
Module type: Digital input/output expansion
Compatibility: SIMATIC S7-1200 PLC series
Signal type: Binary digital
Mounting: DIN rail or wall mounting
Operating environment: Industrial standard
To use the Siemens SM 1223, first ensure that the PLC system is powered down to prevent electrical damage. The module is mounted onto the DIN rail directly adjacent to the CPU or other expansion modules using the integrated bus connector. Once physically secured, the wiring for the digital inputs and outputs should be connected according to the terminal diagram. After installation, the module must be configured within the TIA Portal software environment to ensure the PLC recognizes the new I/O points.
What to consider before purchase
Verify the current PLC CPU model supports the addition of this specific expansion module
Check the total power budget of the S7-1200 system to ensure the power supply can handle the additional load
Ensure the required number of digital I/O points matches the module specifications
For optimal performance and longevity, it is recommended to perform regular inspections of the wiring connections and ensure the module is kept free from dust and moisture in accordance with industrial maintenance standards.

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### What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

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