1FK7083-2AF71-1UG0 SIEMENS Digital input module

Description

1FK7083-2AF71-1UG0 SIEMENS Digital input module

Product Dimensions：

Product Description

A SIEMENS Digital Input Module is an integral component of a Programmable Logic Controller (PLC) or distributed control system. Its fundamental function is to serve as the interface between the control system and binary field devices (sensors, switches, pushbuttons) in an industrial environment. The module acquires discrete, or on/off, signals from these external devices, conditions them, and converts them into a format that the PLC’s central processing unit (CPU) can interpret and use for logic execution. Each input channel on the module monitors the status (ON or OFF) of an external signal, providing real-time data on the state of the machine or process.

Product Specifications

Product Advantages

• High Noise Immunity: Designed to operate reliably in electrically noisy industrial environments, often featuring filtering and isolation to prevent spurious signals.

• Rapid Signal Acquisition: Capable of quickly and accurately detecting status changes from field devices, crucial for time-sensitive control loops.

• Integrated Diagnostics: Advanced modules offer channel-level diagnostics, allowing for fast identification of field wiring faults, minimizing downtime.

• Flexible Configuration: Supports various wiring types (sourcing/sinking) and often allows configurable filtering times to optimize signal reading for different applications.

• System Integration: Seamless integration with the overall SIEMENS control platform, simplifying configuration, programming, and maintenance.

Precautions for Use

• Voltage Compatibility: Ensure the voltage of the field devices precisely matches the module’s specified input voltage range to prevent damage.

• Wiring Type (Sourcing/Sinking): Carefully match the module’s input type (sourcing or sinking) with the output type of the sensor or field device to ensure correct signal flow. Misalignment can prevent the circuit from completing.

• Cable Shielding: Utilize shielded cables and proper grounding practices for long or noisy signal lines to maintain signal integrity and prevent induced interference.

• Channel Utilization: Avoid overloading or exceeding the maximum recommended switching frequency for a channel, especially with high-speed input applications.

• Secure Connections: Ensure all field wires are securely terminated in the module’s connector to prevent intermittent contact and potential short circuits.

Product Applications

SIEMENS Digital Input Modules are fundamental to virtually all industrial automation and control applications:

• Machine Monitoring: Reading the status of limit switches, proximity sensors, and safety interlocks on production machinery.

• Process Control: Monitoring the state of valves (open/closed), pump status (running/stopped), and level switches (high/low).

• Operator Interface: Detecting signals from pushbuttons, selector switches, and emergency stop buttons on control panels.

• Conveying Systems: Tracking the presence or absence of items on a conveyor belt using photoelectric sensors.

• Building Automation: Monitoring fire alarms, security sensors, and HVAC equipment status (e.g., fan running).

Shipping Port: Xiamen, China

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