SIEMENS PXC50-E.D Building Automation System Controller

Description

SIEMENS PXC50-E.D Building Automation System Controller

Product Dimensions：

The Siemens PXC50-E.D is a high-performance system controller from the Desigo™ building automation and control system (BACS) family. It is a modular, programmable controller specifically designed for the automation of small to medium-sized primary plants.

Product Detailed Description

The PXC50-E.D is part of the Desigo PXC series and operates as a central “brain” for building services. It communicates natively over BACnet/IP, ensuring seamless integration with other building components. The “.D” designation indicates that the controller features an integrated web server and a local interface, allowing for direct connection of a local operator unit or service tool.

Technical Parameters

Product Advantages

• Native BACnet Support: Functions as a BACnet Building Controller (B-BC), ensuring high compatibility with third-party devices and SCADA systems.
• Modular Scalability: Easily expands by connecting TX-I/O modules directly to the side of the controller, allowing for a customized mix of digital and analog inputs/outputs.
• Reliability: Built-in battery backup ensures that historical data (trends) and system parameters are retained even during a total power failure.
• Web-Based Service: The integrated web interface allows for remote diagnostics, commissioning, and operation without requiring specialized software on the client device.
• High Efficiency: Optimized for HVAC energy management, including advanced logic for free cooling, demand-controlled ventilation, and heat recovery.

Important Considerations & Precautions

• TX-I/O Supply: While the controller handles the logic, the TX-I/O modules connected to it may require additional power supply modules (like the TXS1.EF10) if the total current draw exceeds the controller’s capacity.
• Network Security: As a BACnet/IP device, it should be placed behind a secure firewall and not exposed directly to the public internet to prevent unauthorized access.
• Mounting Orientation: For optimal heat dissipation, the controller should be mounted horizontally on the DIN rail.
• Firmware: Ensure that the firmware version is compatible with the version of the Desigo CC management station or Xworks Plus engineering tool being used.

Product Applications

The PXC50-E.D is primarily used to control and monitor primary mechanical plants:

• HVAC Control: Management of Air Handling Units (AHUs), Chiller plants, and Boiler systems.
• District Heating: Controlling substation interfaces and heat distribution loops.
• Industrial Utility Monitoring: Tracking energy consumption and equipment status in commercial or industrial facilities.
• Integration Hub: Acting as a gateway to collect data from Modbus or M-Bus devices (via optional integration modules) and presenting them as BACnet objects.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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