Here’s a draft feature specification for a software download module in Cerberus Engineering Tool, written as if for internal development or a product requirements document (PRD).

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3. Functional Requirements

3.2 Download Engine

• Resume support for interrupted downloads.
• Parallel downloads (max 3 concurrent).
• Download to user‑specified directory (default: %ProgramData%\Cerberus\Downloads).
• Automatic retry on transient network errors (3 attempts).

1. Siemens Industry Online Support (SIOS)

The primary source for all Siemens software is the official support portal (support.industry.siemens.com). You will need:

• A registered MySiePortal account.
• A valid service contract or product entitlement.
• Typically, access is granted to registered partners and customers who have purchased the hardware.

Steps:

• Navigate to the "Download" section.
• Search for “Cerberus Engineering Tool.”
• Filter by your specific hardware version (e.g., Cerberus PRO, FV922, etc.).
• Download the installer (usually an .exe or .iso file).
• Use the license key provided with your hardware or purchased separately.

3. Cannot connect to the control panel via USB/Ethernet

Fix:

• Check Windows firewall – allow CET through the firewall.
• For USB, ensure you installed the correct COM port driver.
• For Ethernet, manually set your PC’s IP to the same subnet as the panel (e.g., 192.168.0.x).

Where to Perform a Legitimate Cerberus-Engineering-Tool Software Download

Siemens provides access to the CERBERUS Engineering Tool via the following authorized platforms: