ES3042

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The Beckhoff ES3042 terminal, part of the ES EtherCAT Terminals series, is powered via the E-bus and features two single-ended inputs. With a 12-bit resolution, it supports a signal current range of 0 to 20 mA. It has a dielectric strength of up to 30 V and operates within a temperature range of -25 to +60°C.

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Product Description:

Beckhoff ES EtherCAT Terminal Series features the ES3042 as a compact solution for improving the output of control systems. This compact terminal is engineered for analogue input tasks in industrial control systems where consistent signal measurement is crucial.

The ES3042 terminal is 16-bit resolution and 0.625 ms conversion time make it possible to acquire high quality data on each channel that allows for responsive feedback in control situations. It features two inputs designed to handle a signal range of 0 to 20 mA which makes it ideal for various analog sensor applications. The terminal input signal is filtered at 1 kHz to suppress noise and ensures stable and reliable readings. Its internal resistance is approximately 85 ohms while the dielectric strength is rated up to 30 V for secure and safe signal separation. The ES3042 terminal enables procedures that are crucial for precision in automation systems with a measurement error of less than ±0.3%. It has an average current consumption of 130 mA power is obtained via the E-bus which makes installation and wiring simpler overall. The terminal is constructed using durable polycarbonate material and supports a maximum current load of 10 A on the power contacts which enhances its suitability for demanding conditions. It has a bit width of 8 bytes for inputs, which facilitates seamless integration into digital control architectures. The ES3042 excels in analogue signal capture where synchronized timing is not required although it does not support distributed clocks.

The ES3042 terminal robust construction and signal processing capabilities make it a dependable component for analogue data acquisition in industrial automation systems. The module operates in ambient temperatures ranging from -25°C to +60°C suitable for rugged industrial deployments.

Bit Width In The Process Image
Inputs: 8 byte
Conversion Time
0.625 ms default setting, configurable, multiplex
Current Consumption E-bus
typ. 130 mA
Current load power contacts
10 A
Dielectric Strength
max. 30 V
Distributed Clocks
Not applicable
Input Filter Limit Frequency
1 kHz
Internal Resistance
typ. 85 Ω
Material
Polycarbonate
Measurement Error/uncertainty
< ±0.3% (relative to full scale value)
Number Of Inputs
2 (single-ended)
Operating Temperature
-25…+60°C
Power Supply
via the E-bus
Resolution
12 bit (16 bit presentation incl. sign)
Signal Current
0…20 mA

Frequently Asked Questions about ES3042:

Q: Why doesn’t ES3042 support distributed clocks?

A: It’s designed for applications where timing synchronization isn’t critical, reducing system complexity.

Q: What’s the advantage of 1 kHz input filtering?

A: It suppresses high-frequency noise, improving signal stability and reducing fluctuation in readings.

Q: Why is ±0.3% error significant in ES3042?

A: It enables accurate process feedback, essential in fine-tuned control loops and analog systems.

Q: How does an 8-byte input width help in ES3042?

A: It aligns with automation protocols, ensuring fast data integration with minimal processing.

Q: Is ES3042 suitable for continuous analog monitoring?

A: Yes, its resolution and filtering support consistent analog readings over long durations.


Internal Product Review

  • ‘‘The ES3042 terminal from Beckhoff ensures reliable analog input via dual 0–20 mA channels and internal 1 kHz signal filtering. Its 16-bit resolution and ±0.3% measurement accuracy make it essential for responsive automation feedback. It operates efficiently in high-demand environments with E-bus powered simplicity.’’

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