XN-BR-24VDC-D EATON

XN-BR-24VDC-D EATON I / O module

Product  Description：

The EATON I/O (Input/Output) module is a circuit board assembly encased in a protective housing, designed to be connected to the main control unit (CPU) via a system bus or backplane. Its primary function is to convert real-world signals into digital information the central unit can process, and conversely, convert the central unit's digital commands into signals that actuators and indicator devices can use. I/O modules are typically categorized as Digital (handling ON/OFF signals) or Analog (handling variable signals like voltage or current). They contain opto-isolators to protect the internal control circuitry from external electrical noise and transients. In modular systems, these modules are physically attached next to the central unit to expand the system's ability to monitor and control field devices.

Product Parameters

The parameters of EATON I/O modules vary significantly depending on the type (Digital Input, Analog Output, etc.), but typical specifications include:

• Signal Type: Digital (e.g., $24 \text{ V}_{\text{DC}}$ or $120 \text{ V}_{\text{AC}}$) or Analog (e.g., $0-10 \text{ V}$, $4-20 \text{ mA}$).

• Channel Count: The number of points or terminals on the module, typically $4$, $8$, $16$, or $32$ channels per module.

• Response Time: Crucial for high-speed digital inputs, often measured in microseconds or milliseconds.

• Resolution (Analog): Measured in bits, such as $12$-bit or $16$-bit, determining the precision of the analog signal conversion.

• Isolation: The electrical separation rating between the field side and the system side, often $500 \text{ V}_{\text{AC}}$ or greater.

• Power Consumption: The amount of current the module draws from the backplane or system power supply.

• Diagnostics: Features like short-circuit protection, wire-break detection, and channel status LEDs.

Product Advantages

EATON I/O modules offer several advantages crucial for industrial automation. They ensure system modularity and scalability, allowing users to precisely match the I/O requirements of an application and easily expand the system later without changing the CPU. They provide robust electrical protection through isolation and short-circuit features, safeguarding the expensive central unit from field-side faults. The modules are designed for high density, minimizing cabinet space requirements while maximizing the number of connected field devices. Furthermore, many EATON I/O modules feature advanced diagnostics, allowing maintenance personnel to quickly pinpoint the source of a fault (e.g., a broken wire or overloaded output) without extensive troubleshooting, thus reducing machine downtime.

Important Considerations (Precautions)

Several precautions must be taken when selecting and utilizing EATON I/O modules. It is essential to match the module's voltage and current ratings exactly to the field devices being connected (e.g., do not connect a $120 \text{ V}_{\text{AC}}$ sensor to a $24 \text{ V}_{\text{DC}}$ input module). Proper wiring and cable management are critical to prevent electrical noise coupling and ensure signal integrity. For analog signals, shielded cables must be used and properly grounded to maintain measurement accuracy. When replacing a module, the system must often be powered down to prevent damage, and the replacement must be the correct part number to ensure compatibility with the system's configuration. Finally, the total current load of all output modules must not exceed the capacity of the system's power supply.

Product Applications

EATON I/O modules are essential across all segments of industrial automation because they are the physical link to the process. They are used in Discrete Manufacturing for monitoring limit switches, pushbuttons, and proximity sensors, and controlling solenoids, motor starters, and indicator lights. In Process Industries, analog modules are used to interface with temperature sensors (e.g., thermocouples, RTDs), pressure transducers, and flow meters, and to send variable signals to control valves or motor speed controllers. They are also integral to material handling systems (conveyors, sorters) and HVAC/Building Automation systems for managing dampers, alarms, and environmental sensors. Any machine or process that needs to sense or control a physical state uses these modules.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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