TAC Xenta 422A SCHNEIDER

TAC Xenta 422A SCHNEIDER Input module

Brand：SCHNEIDER Model number：TAC Xenta 422A

Country of origin: France Product weight：0.55kg

HS code：853710119

Product Details：

Product Dimensions：

The TAC Xenta 422A is an I/O module that does not operate as a standalone controller but rather as an expansion unit for a Xenta master controller, such as the Xenta 300 or 400 series. It communicates via the LonTalk protocol over a TP/FT-10 network. The module is designed for DIN rail mounting and features a compact form factor. It is particularly valued for its "Universal" inputs, which allow for a high degree of flexibility in the field, as each input can be configured to read different types of signals without needing different hardware.

Product Parameters

The module is powered by 24 VAC or 19 to 40 VDC. It typically consumes approximately 5 W of power. The Xenta 422A features a specific I/O configuration consisting of 4 Universal Inputs and 4 Digital Outputs.

The 4 Universal Inputs are highly flexible and can be configured as Digital Inputs for dry contact monitoring, Thermistor Inputs specifically optimized for TAC thermistors (1.8 kOhm), or Analog Inputs capable of measuring 0 to 10 VDC signals.

The 4 Digital Outputs are relay-based, providing volt-free contacts. These relays are typically rated for a maximum of 2 A at 250 VAC.

The module communicates using the LonWorks TP/FT-10 (78 kbps) channel. It is housed in a plastic casing with an IP20 protection rating and is designed to operate in temperatures ranging from 0 to 50 degrees Celsius.

Product Advantages

One of the primary advantages of the TAC Xenta 422A is its high flexibility due to the universal input design. This reduces the number of different module types a technician needs to carry and simplifies the design phase of a project.

The module is also designed for ease of installation. It features pluggable terminal blocks, which allow for pre-wiring and rapid replacement if maintenance is required. Because it resides on the LonWorks network, it can be located close to the field devices it monitors, reducing the length of expensive sensor wiring back to a central panel.

Furthermore, the Xenta 422A supports "hot-plugging" in many configurations, and its integration into the TAC Vista or EcoStruxure Building Operation software is seamless, providing clear diagnostics and easy configuration through standardized plug-ins.

Important Considerations

When installing the TAC Xenta 422A, it is crucial to ensure that the total power consumption of all connected modules does not exceed the capacity of the 24V transformer. Correct polarity must be observed when using DC power.

Since this is a LonWorks device, each module has a unique Neuron ID. It is highly recommended to record this ID or use the "service pin" button on the front of the device during the commissioning phase to identify the module on the network.

Users should also be aware that the TAC Xenta line is a legacy product. While it remains widely used in existing buildings, Schneider Electric has transitioned its primary focus to the EcoStruxure platform and the SmartX series. Future-proofing plans should take into account the eventual migration from LonWorks-based Xenta systems to IP-based BACnet systems.

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