AR40412S22 EATON

AR40412S22 EATON Digital Input Module

Product  Description：

The Digital Input Module receives discrete voltage signals from field devices, isolates the input signal from the internal control system circuitry, and converts the electrical state (ON or OFF) into a digital logic signal (1 or 0) that the PLC's Central Processing Unit (CPU) can read and utilize for executing the control program. They are designed for reliable operation in electrically noisy industrial environments.

Product Parameters (Typical)

Parameters vary depending on the specific EATON series (e.g., EATON/Moeller EasyE4, XV-Series, or specific I/O systems).

• Number of Channels: Typically 8, 16, 32, or 64 input points per module.

• Input Voltage Type: Can be DC (e.g., 24 VDC) or AC (e.g., 120 VAC, 230 VAC).

• Nominal Input Voltage: The specified voltage level for the input signal (e.g., 24 VDC, 120 VAC).

• Input Current/Power: The minimum current required to reliably detect an "ON" state.

• Input Delay (Filter Time): The time required for the module to recognize a change in state and filter out contact bounce or electrical noise, typically configurable from 0.1 ms up to 20 ms.

• Isolation: The method and rating of electrical isolation between the inputs and the backplane/logic circuit (e.g., Optical Isolation at 500 V).

• Wiring Type: Two-wire or three-wire connections; screw terminals or spring-cage terminals.

• Diagnostics: May include LED indicators for channel status and diagnostic flags for short-circuit or open-circuit detection.

• Current Draw: The power consumption of the module from the system backplane or power supply.

• Operating Temperature: Wide industrial range (e.g., 0°C to 55°C or wider).

Product Advantages

• Reliable Signal Detection: Built-in filtering mechanisms ensure that transient noise and contact bounce are suppressed, providing the control system with stable and reliable input status.

• High Density: Available in high-density configurations (e.g., 32 or 64 channels) to save space in the control cabinet.

• Electrical Isolation: Offers isolation between the field wiring and the internal PLC electronics, protecting sensitive components from voltage surges and ground loops.

• Fast Response Time: Low input delay options are available for applications requiring rapid monitoring of high-speed events.

• Clear Diagnostics: Status LEDs on each channel provide immediate, local troubleshooting information, reducing maintenance time.

Precautions

• Voltage Compatibility: Always ensure the input voltage type (AC or DC) and level (e.g., 24V or 120V) of the field device strictly match the module's specifications. Connecting an incompatible voltage will damage the module.

• Wiring Standards: Use proper industrial wiring techniques, including appropriate wire gauges and shielded cables where necessary, to minimize electrical noise and comply with local codes.

• Sinking vs. Sourcing: Verify if the module is a "sinking" (PNP) or "sourcing" (NPN) type, and ensure it is matched correctly with the output type of the field sensor (e.g., 3-wire proximity sensor).

• Power Bus Load: Ensure the system power supply and backplane have sufficient capacity to handle the current draw of all installed modules.

• Configuration: If the input delay time is configurable, set it appropriately; too short and it may see noise, too long and it may miss fast events.

Product Applications

EATON Digital Input Modules are utilized across virtually every industrial and commercial automation sector to monitor the discrete state of field devices.

• Manufacturing Automation: Monitoring the position of parts via limit switches, the presence of a product via proximity sensors, and the state of emergency stops or operator pushbuttons.

• Material Handling: Tracking the position and state of conveyors, sorters, and robotic grippers.

• Building Automation (BMS): Reading the status of open/closed doors, fire alarm inputs, and equipment on/off status.

• Packaging Machines: Monitoring the cycle start/stop, package complete status, and safety gate positions.

• Process Control: Reading the discrete state of valves (fully open/fully closed), pump run status, and high/low level switches in tanks.

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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Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.