# Siemens SIMATIC S7-1500 Digital Input/Output Module DI 16x24VDC DQ 16x24VDC/0.5A **URL:** https://aio.lv/en/product--siemens-6es75231bl000aa0--3444588 **Data updated:** 2026-05-18 02:47 (EEST) **Category:** Server Parts & Components **Manufacturer:** Siemens **Manufacturer code:** 6ES75231BL000AA0 **EAN:** 4047623402312 **Warranty:** 2 Years **Availability:** Available for order **Price:** 609.49 € **Prices and availability valid until:** 2026-07-22 23:59 **Price without VAT (21%):** 503.71 EUR **Can be purchased by legal entities:** Yes (invoice) **Buy:** https://aio.lv/en/product--siemens-6es75231bl000aa0--3444588 ## Delivery options | Delivery method | Delivery time | Cost | |---|---|---| | Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free | | Pickup points | 17.07.2026 | 1.89 EUR | | Courier delivery to door | 17.07.2026 | 4.99 EUR | ## Summary description The Siemens SIMATIC S7-1500 digital I/O module (6ES7523-1BL00-0AA0) provides 16 digital inputs and 16 digital outputs for 24V DC systems. Designed for industrial automation, this module features a 0.5A output current per channel. It ensures reliable signal processing and control within the S7-1500 PLC architecture, making it an essential component for complex automation tasks in manufacturing and process control environments. ## Long description The Siemens SIMATIC S7-1500 digital input/output module is a high-performance component designed for seamless integration into the S7-1500 automation system. This module provides 16 digital inputs and 16 digital outputs, specifically engineered for 24V DC industrial environments. It serves as a reliable interface for processing sensor signals and controlling actuators, ensuring precise operation within complex manufacturing and process control architectures. Advantages This module offers robust signal processing capabilities that enhance the efficiency of industrial automation systems. Its compact design allows for space-saving installation within the control cabinet, while the integrated diagnostic functions facilitate rapid troubleshooting and maintenance. The high-quality construction ensures long-term operational reliability even in demanding industrial conditions, supporting consistent performance for critical control tasks. Suitable for Industrial automation and control systems Manufacturing process monitoring Signal acquisition from sensors and switches Control of 24V DC actuators and relays This module may not be suitable for applications requiring AC voltage switching or high-current loads exceeding 0.5A per channel. It is also not intended for use in environments that exceed the specified temperature or humidity ratings for the SIMATIC S7-1500 series. Key specifications 16 digital inputs for 24V DC 16 digital outputs for 24V DC Output current: 0.5A per channel Compatibility: SIMATIC S7-1500 PLC system Operating voltage: 24V DC How to use Installation involves mounting the module onto the S7-1500 DIN rail and connecting it to the backplane bus. Wiring is performed via the front connector, ensuring that all 24V DC power supply connections are secure and correctly polarized. Once physically installed, the module must be configured within the TIA Portal software environment to define the input and output addresses and assign them to the specific automation project. What to consider before purchase Verify compatibility with your existing S7-1500 CPU and rack configuration Ensure the 24V DC power supply meets the current requirements for all connected devices Confirm that the output current of 0.5A is sufficient for your intended actuators Usage recommendations: Always ensure the power is disconnected before performing any wiring or maintenance tasks. Use shielded cables for signal lines to minimize electromagnetic interference and ensure stable data transmission in noisy industrial environments. ## FAQ ### How much does the Siemens SIMATIC S7-1500 Digital I/O Module 6ES7523-1BL00-0AA0 cost, and is it available for purchase? The price is 609.49 € (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 14.07.2026 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, Leasing for legal entities. All transactions are 100% secure and encrypted. ### Can Siemens SIMATIC S7-1500 Digital I/O Module 6ES7523-1BL00-0AA0 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 https://aio.lv/img/cache/product/3444588/47544148_large.webp