The Beckhoff KL4002 is a 2-channel analog output Bus Terminal designed for generating precise voltage signals in the 0…10 V range. With its combination of high accuracy, compact design, and robust protection features, the KL4002 is a versatile solution for control and automation applications requiring reliable analog output capability.

Each of the two channels provides a voltage signal between 0 and 10 V, making the terminal suitable for driving actuators, proportional valves, analog control loops, and devices requiring a standard voltage interface. The module is particularly well-suited for applications in process control, building automation, and machine systems, where voltage signals are widely used to regulate speed, pressure, position, or other variables.

The KL4002 delivers a 12-bit resolution, enabling fine signal gradation and accurate representation of control values. Its output error of less than ±0.1% (relative to the end value) ensures precise and repeatable performance, even in demanding applications. This high level of accuracy makes it an excellent choice for systems that depend on stable and consistent analog control.

Built for reliability, the terminal’s outputs are short-circuit proof and designed to support loads greater than 5 kΩ. This protection not only extends the terminal’s service life but also reduces the risk of equipment damage in the event of wiring errors or load faults. Engineers benefit from a robust and dependable output module that maintains system uptime under industrial conditions.

The KL4002 is powered via the K-bus, eliminating the need for additional power wiring and simplifying installation. Like all Beckhoff Bus Terminals, it features a modular design that allows seamless integration with digital, analog, and specialty terminals, providing engineers with a flexible platform for building tailored automation systems.

With a compact housing width, the KL4002 saves valuable space in control cabinets while supporting high I/O density. Its modular nature allows incremental expansion of analog outputs as system requirements grow, making it cost-effective for both small and large-scale projects.

Diagnostics and monitoring are supported through Beckhoff’s TwinCAT software, which provides clear visibility into output states and simplifies configuration. This transparency enables faster commissioning and easier maintenance, reducing downtime and improving overall efficiency.

In practice, the KL4002 is widely applied in HVAC systems, proportional valve control, test benches, and precision dosing equipment, where accurate voltage control is critical. Its combination of accuracy, robustness, and modular integration makes it a reliable choice for engineers seeking a compact analog output solution.

In summary, the Beckhoff KL4002 is a precise and reliable 2-channel analog output terminal for 0…10 V voltage signals. With its 12-bit resolution, < ±0.1% output error, short-circuit proof outputs, and seamless Bus Terminal integration, it provides a compact, high-performance solution for modern automation systems.