BECKHOFF KL3351 AI MODULE

    • Industrial automation systems
    • Weighing and load‑cell applications
    • Force, pressure, and torque sensors
    • Full‑bridge and measuring‑bridge sensor inputs
    • Test and measurement systems
    • Process control
    • High‑precision analog measurement tasks
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    • The KL3351 is a 1‑channel analog input terminal designed for direct connection of resistive measuring bridges / full‑bridge sensors.
    • The bridge voltage (Uᵈ) and the reference voltage (Uref) are digitized with 16‑bit resolution and transmitted electrically isolated to the automation system.
    • The measurement is calculated using the ratio Uᵈ / Uref, compensating long‑term drift and temperature effects.
    • Ideal for load cells and precision bridge sensors.
    • Includes internal filtering and stable measurement circuitry for noise‑free readings.
    • Number of channels: 1
    • Input type: Measuring bridge / full bridge
    • Resolution: 16 bit
    • Input range: Approx. −16 mV … +16 mV (bridge signal)
    • Bridge supply: Internal reference voltage
    • Conversion time: < 250 ms
    • Filter: Selectable 50 Hz filter
    • Input resistance: > 200 kΩ
    • Electrical isolation: Between K‑bus and field level
    • K‑bus current consumption: Approx. 65 mA
    • Operating temperature: 0…55 °C