# Siemens 3RC7940-0TE04 Communication Cable for 3RC7 ILM Modules 1.5m

**URL:** https://aio.lv/en/product--siemens-3rc7940-0te04--12463771
**Data updated:** 2026-05-18 09:38 (EEST)
**Category:** Serial & Parallel Cables
**Manufacturer:** Siemens
**Manufacturer code:** 3RC7940-0TE04
**EAN:** 4047621109763
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 30.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 25.61 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rc7940-0te04--12463771

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RC7940-0TE04 is a 1.5-meter communication cable designed for the serial connection of 3RC7 ILM modules. This high-quality cable ensures reliable data transmission and seamless integration within industrial automation systems, facilitating efficient module-to-module communication in various technical configurations.

## Long description

The Siemens 3RC7940-0TE04 is a specialized communication cable engineered for the reliable serial connection of 3RC7 ILM modules. With a length of 1.5 meters, this cable is designed to maintain signal integrity and ensure consistent data exchange within industrial automation environments. It serves as a critical link for integrating multiple modules into a unified system, supporting stable performance in demanding technical setups.
Advantages
This communication cable offers robust construction that minimizes interference and ensures secure data transmission between connected modules. Its precise design facilitates quick and reliable installation, reducing downtime during system configuration. By providing a stable physical connection, it enables seamless communication across the 3RC7 ILM module series, contributing to the overall efficiency and reliability of the automation network.
Suitable for
Serial connection of 3RC7 ILM modules
Industrial automation system integration
Data transmission between modular control components
Technical configurations requiring reliable module-to-module communication
When it may not be suitable
This cable is specifically designed for the 3RC7 ILM module series and may not be compatible with other hardware interfaces or communication protocols. It is not intended for use in environments exceeding its specified physical length or for applications requiring different connector types.
Key specifications
Cable length: 1.5 meters
Compatibility: 3RC7 ILM modules
Function: Serial communication
How to use
To use the cable, ensure that the power supply to the 3RC7 ILM modules is disconnected to prevent electrical hazards. Align the connectors of the cable with the corresponding ports on the modules and insert them firmly until they are securely locked in place. Once connected, verify the physical integrity of the cable and ensure it is not under excessive tension or bent at sharp angles. Restore power to the system and check the module status indicators to confirm successful communication.
What to consider before purchase
Verify the compatibility of your specific module version with the 3RC7 series
Ensure the 1.5-meter length is sufficient for your physical layout
Check the port configuration on your existing hardware
Usage recommendations
Always route the cable away from high-voltage power lines to prevent electromagnetic interference and ensure the cable is secured with appropriate cable management tools to avoid accidental disconnection or physical damage.

## FAQ

### How much does the Siemens 3RC7940-0TE04 Communication Cable cost, and is it available for purchase?

The price is 30.99 € (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 13.07.2026 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. All transactions are 100% secure and encrypted.

### 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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