EL3151
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MPN: EL3151-0000
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The Beckhoff EL3151, part of the EL EtherCAT Terminals series, features a single analog input channel designed for 4-20 mA currents. It offers a 16-bit resolution, a conversion time of approximately 1 ms, and operates with a maximum common mode voltage of 35 V. The terminal is DIN rail mounted and powered via E-bus.
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Product Description:
The part number EL3151 by Beckhoff serves as an EtherCAT Terminal that takes current signals from field devices and transforms them into digital data for control systems. Beckhoff shows true craftsmanship in automation technology by offering practical solutions that work in real-world setups.
The EL3151 EtherCAT terminal functions by providing a single-channel analog input for industrial domains. This input is single-ended and works specifically with currents ranging from 4 to 20 mA. It receives its operating power directly through the E-bus by removing the need for additional power wiring. The input circuitry has an internal resistance of approximately 85 ohms combined with a diode voltage drop by ensuring correct signal detection across connected devices. The input passes through a filter with a limit frequency of 5 kHz by allowing accurate execution of industrial automation signals. Its working temperature range lies from -25 to +60 degrees Celsius by making it suitable for environmental domains. It includes support for distributed clocks by allowing time-synchronized data acquisition in an EtherCAT network. The conversion time is around 40 microseconds which enables fast working.
The EL3151 EtherCAT terminal works with a dielectric strength of up to 30 volts by helping isolate the module mainly from minor overvoltage conditions. With a resolution of 16 bits including the sign it also provides a precise digital representation of the input waveforms. The measurement error is limited to less than ±0.3 percent relative to the full-scale value by supporting consistent and reliable input readings. It also bears requirements for relative humidity up to 95% humidity level which helps maintain the integrity of the electronic components over time.
Frequently Asked Questions about EL3151:
Q: What is the signal range supported by Beckhoff EL3151 for current input?
A: The EL3151 accepts a 4 to 20 mA current signal, allowing accurate reading from industrial transmitters or sensors connected to control systems.
Q: How does the Beckhoff EL3151 receive its operating power?
A: The EL3151 draws power through the E-bus system, removing the need for separate power wiring and simplifying installation in EtherCAT networks.
Q: What is the internal resistance value of the Beckhoff EL3151?
A: The EL3151 has a typical internal resistance of 85 ohms, including diode voltage drop, which ensures accurate signal handling.
Q: What is the filtering capability of the Beckhoff EL3151 analog input?
A: With a filter limit of 5 kHz, the EL3151 ensures clean signal capture while reducing unwanted high-frequency noise.
Q: How does the Beckhoff EL3151 support time synchronization?
A: The EL3151 features distributed clock support, enabling synchronized data acquisition across multiple terminals in EtherCAT-based systems.
