EL3403-0026

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The Beckhoff EL3403-0026 is part of the EL EtherCAT Terminal Series and features a 2-wire wiring configuration. It measures voltage with a maximum of 500 V AC 3~ and a measuring current of up to 1 A AC via transformers. The terminal performs true RMS value calculations and has a measurement uncertainty of 0.5%.

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Product Description:

Beckhoff EtherCAT terminal EL3403-0026 is special by its ability to measure voltages as high as 500 V AC 3~ and a measuring current of up to 1 A AC using transformers for safety and accuracy. It also has RMS (Root Mean Square) display thus can measure accurate AC signals even if they are not sinusoidal. For such applications, where power quality is vital, it becomes possible to obtain actual current, effective power, and power factor (cos φ) data from the operators. This terminal offers you measurement accuracy of ± 0.5 % allowing it to serve high accuracy needs of numerous industries such as energy and processes control. The EL3403-0026 incorporates the 2-wire wiring which makes its wiring easier and the wiring sounds less complex compared to the other models. The following is especially beneficial in areas where space is constrained or where many devices must be connected. The terminal is intended to read important electrical parameters necessary for load and energy monitoring and management.

Furthermore, the EL3403-0026 has Single-Ended ground reference input for single supply measurement, making it flexible and compatible with varying measurement configurations. This design consideration allows the terminal to work under different circumstances, and therefore it offers users diverse available choices for measurement. In view of the high power, compactness, and high accuracy, the Beckhoff EL3403-0026 is perfect for applications where electrical measurements are necessary to control and monitor different power systems by engineers and technicians. In use whether in a manufacturing facility, an energy plant or any other industrial environment, this terminal provides the reliability and precision needed hence becoming an invaluable tool in the modern industrial automation.

Conversion time
mains-synchronous
E‑bus current consumption
120 mA (typ.)
Input ground reference
single-ended
Measurement accuracy
0.5% FS for U/I, 1% for calculated values
Measuring current
Max 1 A AC; via CTs (x A/1 A)
Measuring procedure
True RMS
Measuring voltage
Max 500 V AC (3‑phase)
Number of inputs
3 current, 3 voltage
Process image bit width
62 bytes input, 3 bytes output
Resolution
1 μA; 0.1 mV; 10 mW
Special features
True RMS calculation; optional single-phase operation
Update time
Net-synchronous
Wiring
2-wire

Frequently Asked Questions about EL3403-0026:

Q: What is the maximum voltage the EL3403-0026 can measure?

A: The terminal can measure voltages up to 500 V AC 3~.

Q: What is the measuring current capacity of the EL3403-0026?

A: It can measure up to 1 A AC through transformers.

Q: What type of wiring configuration does the EL3403-0026 use?

A: The terminal features a 2-wire wiring configuration.

Q: What is the measurement uncertainty of the EL3403-0026?

A: The measurement uncertainty is ±0.5%.

Q: What electrical values can the EL3403-0026 provide?

A: It provides measurements for current, effective power, and power factor (cos φ).


Internal Product Review

  • ‘‘The Beckhoff EL3403-0026 is a great EtherCAT terminal used in measuring AC voltage and current with a high degree of precision. The true RMS let you obtain accurate readings on distorted waveforms, so it is ideal for accurate power measurement where accuracy is of essence. It is easy to install because of the 2-wire configuration and the low amount of measurement uncertainty is a bonus. In total, it is a useful supplement for anyone requiring accurate power monitoring systems in industrial conditions.’’

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