EL3144
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MPN: EL3144-0000
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The Beckhoff EL3144, part of the EL EtherCAT Terminals series, features four single-ended inputs and a 16-bit resolution including sign. This terminal is powered via the E-bus, supports distributed clocks with precision under 1 µs, and has an operating temperature range from -25°C to +60°C.
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Product Description:
Beckhoff manufactures the EL3144. The EL3144 EtherCAT Terminal has four single-ended analog current inputs calibrated for a range of 0 to 20 mA, acting as a high-precision interface between digital control systems and industrial sensors. Because of its exceptional resistance to electromagnetic interference and voltage loss over extended cable lengths, this current loop standard is used by industrial measuring systems. The terminal can digitize low-level current changes with granular precision thanks to an internal high-resolution 16-bit analog-to-digital converter that supports bipolar input representation. In feedback-controlled systems, this high-resolution conversion is essential, especially in closed-loop process automation where precise changes rely on comprehensive input data. By attenuating high-frequency disturbances before conversion, enhancing the signal-to-noise ratio, and guaranteeing correct digital representation of slowly variable or quasi-static processes, the addition of a 5 kHz low-pass input filter further sharpens the signal integrity. With a conversion time of around 100 microseconds per channel, responsiveness is guaranteed to be enough for monitoring process dynamics at moderate speeds without causing appreciable delay.
The EL3144 is a part of the EtherCAT ecosystem and is powered by the EtherCAT E-bus, which eliminates the need for separate power lines. By removing the terminal's reliance on an external power source, this power distribution technique improves dependability, streamlines electrical architecture, and uses less cable. In addition to providing power, the common E-bus allows EtherCAT nodes to synchronize and communicate data in real time. The EL3144's ability to offer sub-microsecond accuracy distributed clock synchronization is one of its distinguishing features. In control situations requiring time-dependent interactions between numerous devices, including synchronized motion control, coordinated actuation, or high-speed sampling across geographically distributed sensors, this feature enables deterministic timing alignment throughout the network. The quality of real-time control is greatly improved by the terminal's capacity to preserve temporal coherence across the EtherCAT network, which helps precision systems achieve tighter regulation, reduced drift, and synchronized actuation.
The engineering of the EL3144 places a high priority on accuracy and environmental resistance. Over its entire working range, the terminal ensures that the digital signal accurately represents the real analog input with a typical full-scale measurement error of less than ±0.3%. This level of accuracy is essential in high-value process settings where even small signal variations may result in significant changes to the system's behavior or the outcome. The device is sturdy enough to be used in difficult industrial conditions since it is rated to operate throughout a large ambient temperature range of -25°C to +60°C and has storage capacity that extends to -40°C and +85°C. Approved by regulatory and certification organizations including CE, CCC, UL, ATEX, and IECEx, the EL3144 satisfies strict safety and electromagnetic compliance requirements, including being able to be used in potentially explosive or hazardous environments. The terminal's adjustable mounting orientation facilitates integration into a variety of automation schemes, and its IP20-rated casing shows protection against solid penetration inside regulated environments.
Frequently Asked Questions about EL3144:
Q: What type of inputs does the EL3144 terminal support?
A: The EL3144 supports four single-ended analog input channels. Each of these channels can measure signals with a current range of 0–20 mA. This makes the terminal ideal for collecting analog data from sensors commonly used in industrial automation systems.
Q: How accurate is the signal measurement on the EL3144?
A: The EL3144 provides a 16-bit resolution, including sign, which ensures precise signal conversion. It maintains a measurement error of less than ±0.3% relative to the full scale, making it highly reliable for high-precision applications.
Q: How is the EL3144 powered, and why is that beneficial?
A: The terminal is powered via the E-bus, which is part of the EtherCAT infrastructure. This eliminates the need for external power wiring, simplifies installation, and reduces the risk of wiring errors, enhancing system efficiency.
Q: What is the function of distributed clocks in the EL3144?
A: Distributed clocks enable precise timing synchronization across multiple terminals in an EtherCAT network. In the EL3144, this function supports a precision of less than 1 µs, allowing for tightly coordinated data acquisition in real-time control systems.
Q: What environments can the EL3144 operate in?
A: The EL3144 operates in a wide temperature range from -25°C to +60°C and can be stored at even lower temperatures down to -40°C. This makes it suitable for various industrial environments, including those with extreme conditions.
