Schneider TAC Xenta 302 Programmable Logic Controller (PLC)

Description

Schneider TAC Xenta 302 Programmable Logic Controller (PLC)

The Schneider TAC Xenta 302 is a versatile and compact freely programmable controller designed for various Building Management System (BMS) applications, particularly in HVAC control. It is part of the Xenta 300 series of controllers which utilize the LonWorks network protocol for communication.

📋 Product Specifications (Product Parameters)

✨ Product Advantages (Product Advantages)

• Flexibility and Customization: Being freely programmable using TAC Menta, the controller can be tailored to meet highly specific and complex control strategies for different HVAC systems (e.g., VAV, AHU, FCU, central plant).

• LonWorks Integration: Seamless integration into existing or new LonWorks networks, allowing for distributed control, peer-to-peer communication, and interoperability with other LonMark certified devices.

• Compact Design: The small physical size and DIN-rail mounting make installation easy and space-efficient in control panels.

• Versatile I/O: The Universal Inputs offer high flexibility, reducing the need for multiple types of controllers for different sensor types.

• Reliability: Designed for robust and continuous operation in commercial building environments.

• Integration with Schneider Electric EcoStruxure: As a component of the broader Schneider Electric/TAC portfolio, it integrates well with higher-level supervision and monitoring systems like TAC Vista or EcoStruxure Building Operation.

⚠️ Important Considerations (Notes)

• Programming Tool Required: You must use the TAC Menta software and potentially the TAC Vista or EcoStruxure Building Operation software for configuration, programming, and system integration.

• LonWorks Network: Requires proper LonWorks network infrastructure, including a LonWorks router/gateway (if connecting to an IP network) and network management tools.

• I/O Limits: The Xenta 302 has a limited number of I/O points (12 total). For larger applications, I/O expansion modules (if supported) or a higher-capacity controller (like the Xenta 401) may be necessary.

• Legacy Status: While still supported in many installations, this specific Xenta series may be considered a legacy product in Schneider Electric’s current portfolio, which now emphasizes the EcoStruxure line (e.g., SmartX Controllers). Always check the latest product replacement/migration path for new installations.

⚙️ Product Applications (Product Application)

The TAC Xenta 302 is typically used for controlling specific, localized plant equipment in commercial, industrial, and institutional buildings:

1. Air Handling Unit (AHU) Control: Managing complex sequences for AHU functions, including temperature and humidity control, damper positioning, fan speed, and heating/cooling coil valve control.

2. Boiler/Chiller Plant Control: Implementing sequencing and control loops for smaller central plant equipment.

3. VAV (Variable Air Volume) Systems: Controlling reheat coils, VAV damper actuators, and fan status (though often VAV boxes use dedicated, smaller controllers).

4. Fan Coil Unit (FCU) Control: Providing advanced, centralized control for multiple fan coil units in a zone.

5. Lighting and Shading Control: Can be programmed to interface with digital outputs to manage lighting relays or motorized blinds based on occupancy and schedules.

6. General Process Control: Suitable for any small to medium-sized control application requiring 12 I/O points and network communication.

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