# Siemens 6ES7972-0AA02-0XA0 PROFIBUS and MPI RS485 Repeater

**URL:** https://aio.lv/en/product--siemens-6es7972-0aa02-0xa0--12463538
**Data updated:** 2026-05-18 09:28 (EEST)
**Category:** Other goods
**Manufacturer:** Siemens
**Manufacturer code:** 6ES7972-0AA02-0XA0
**EAN:** 4025515079620
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 787.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 651.23 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-6es7972-0aa02-0xa0--12463538

## 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 6ES7972-0AA02-0XA0 is a high-quality RS485 repeater designed for SIMATIC S7 automation systems. It is specifically engineered to extend PROFIBUS and MPI network segments, ensuring reliable data communication and signal integrity in industrial environments. This robust device is essential for maintaining stable connectivity in complex automation architectures, providing seamless integration and performance for industrial control networks.

## Long description

The Siemens RS485 Repeater is a specialized industrial networking component designed to extend the range and capacity of PROFIBUS and MPI network segments within SIMATIC S7 automation systems. By regenerating the electrical signals, this device ensures consistent data transmission and maintains signal integrity across extended cable lengths, which is critical for complex industrial control architectures.
Advantages
This repeater provides a reliable solution for expanding industrial networks without compromising communication speed or data accuracy. Its robust design is specifically tailored for demanding industrial environments, offering high resistance to electrical interference and ensuring stable connectivity between various automation components. By allowing for the connection of additional nodes and increasing the physical distance between segments, it provides the flexibility needed to scale automation systems effectively while maintaining the high performance standards expected from Siemens industrial equipment.
Suitable for
Extending the physical range of PROFIBUS and MPI network segments
Connecting additional nodes in SIMATIC S7 automation architectures
Maintaining signal quality in large-scale industrial control networks
Bridging segments in environments with high electromagnetic interference
When it may not be suitable
This device is not intended for use in non-industrial applications or with communication protocols other than PROFIBUS and MPI. It is also not suitable for environments that exceed the specified temperature or environmental protection ratings of the hardware.
Key specifications
Supported protocols: PROFIBUS and MPI
Interface type: RS485
Compatibility: SIMATIC S7 automation systems
Function: Signal regeneration and segment extension
How to use
Installation involves mounting the repeater on a standard DIN rail within the control cabinet. The device must be connected to the PROFIBUS or MPI bus lines using the appropriate connectors. Ensure that the bus termination is correctly configured at both ends of the segment to prevent signal reflections. Once physically installed, the repeater operates transparently, requiring no complex software configuration to begin regenerating signals between the connected network segments.
What to consider before purchase
Verify that your existing network architecture utilizes PROFIBUS or MPI protocols
Ensure the power supply requirements match the device specifications
Check the total cable length and node count to confirm if a repeater is necessary for your specific layout
Confirm compatibility with your specific SIMATIC S7 CPU or communication module
Usage recommendations
Always ensure that the bus termination resistors are correctly set at the physical ends of the network segments to maintain optimal signal quality and prevent communication errors.

## FAQ

### How much does the Siemens 6ES7972-0AA02-0XA0 RS485 Repeater cost, and is it available for purchase?

The price is 787.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 6ES7972-0AA02-0XA0 RS485 Repeater 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/12463538/68768876_large.webp