# Siemens SIMATIC S7-1200 SM 1223 Digital I/O Module 8 DI 8 DO

**URL:** https://aio.lv/en/product--siemens-6es72231ph320xb0--3746851
**Data updated:** 2026-05-18 02:44 (EEST)
**Category:** Server Parts & Components
**Manufacturer:** Siemens
**Manufacturer code:** 6ES72231PH320XB0
**EAN:** 6940408101999
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 277.99 €
**Prices and availability valid until:** 2026-08-21 23:59
**Price without VAT (21%):** 229.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-6es72231ph320xb0--3746851

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 05.08.2026 | free |
| Pickup points | 10.08.2026 | 1.79 EUR |
| Courier delivery to door | 10.08.2026 | 4.99 EUR |

## Summary description

The Siemens SIMATIC S7-1200 SM 1223 is a digital input and output module designed for industrial automation systems. It features 8 digital inputs and 8 digital relay outputs, providing reliable signal processing for PLC configurations. This expansion module is essential for extending the I/O capacity of S7-1200 controllers, ensuring efficient control and monitoring of industrial processes and machinery.

## Long description

The Siemens SIMATIC S7-1200 SM 1223 is a high-performance digital input and output module engineered for seamless integration into industrial automation systems. This expansion module provides 8 digital inputs and 8 digital relay outputs, allowing for precise signal processing and control within S7-1200 PLC configurations. It serves as a robust solution for expanding the connectivity of your controller, ensuring reliable monitoring and management of various industrial machinery and automated processes.
Advantages
This module offers exceptional reliability and ease of integration, making it a preferred choice for industrial environments. By providing a combination of digital inputs and relay outputs, it allows for flexible signal handling and control of external devices. The compact design ensures efficient use of space within control cabinets, while the high-quality construction guarantees long-term operational stability and consistent performance in demanding industrial applications.
Suitable for
Expanding I/O capacity of S7-1200 PLC systems
Controlling industrial machinery and automated equipment
Monitoring digital sensor signals in manufacturing lines
Managing relay-based switching tasks in automation projects
When it may not be suitable
This module is not intended for applications requiring high-speed pulse outputs or specialized analog signal processing. It is also not suitable for environments exceeding the specified operating temperature or humidity ranges defined for the S7-1200 series.
Key specifications
8 digital inputs
8 digital relay outputs
Designed for SIMATIC S7-1200 series
Compact modular design
Standardized industrial signal processing
How to use
The module is installed by mounting it directly to the right side of the S7-1200 CPU or another expansion module. Ensure the power is disconnected before performing any wiring. Connect your digital sensors to the input terminals and your actuators or loads to the relay output terminals according to the wiring diagram provided in the technical documentation. Once physically installed and wired, the module must be configured within the TIA Portal software to ensure the PLC recognizes the new I/O points.
What to consider before purchase
Verify compatibility with your existing S7-1200 CPU model
Ensure the power supply requirements match your system configuration
Check the physical space available in your control cabinet
Confirm that relay outputs are suitable for your specific load types
Usage recommendations: Always ensure that the relay outputs are protected against excessive current by using appropriate external fuses. Regularly inspect the wiring connections to maintain signal integrity and prevent potential faults in your automated system.

## FAQ

### How much does the Siemens SIMATIC S7-1200 SM 1223 Digital I/O Module cost, and is it available for purchase?

The price is 277.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 05.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Siemens SIMATIC S7-1200 SM 1223 Digital I/O Module be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### 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?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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