ES3068
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MPN: ES3068-0000
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The ES3068 is a compact terminal with eight single-ended inputs and a signal voltage range of 0 to 10 V. Manufactured by Beckhoff as part of the ES EtherCAT Terminals series, it weighs approximately 60 grams. It features a 12-bit resolution and typical 130 mA E-bus current consumption.
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Product Description:
Beckhoffis a global manufacturer of automation and control systems that has developed the ES3068 EtherCAT Terminal for high-precision signal acquisition in industrial applications. This terminal module contains eight single-ended analog input channels that offer reliable performance in demanding environments. It operates with a signal voltage range of 0 to 10 V and an internal resistance greater than 130 kΩ.
The ES3068 EtherCAT terminalhas an input channel that supports a filter limit frequency of 1 kHz for stable and accurate signal processing. The default conversion time is 1.25 ms and can be adjusted through multiplex configuration for specific system requirements. The EtherCAT terminal provides a 12-bit resolution with 16-bit data presentation that contains sign extension for detailed signal interpretation. Measurement error remains below ±0.3% of full scale which enables consistent signal accuracy. The terminal is powered via the EtherCAT E-bus that eliminates the need for additional wiring. It has 500 V electrical isolation between the E-bus and signal voltage for safety and reliability. This EtherCAT has a storage temperature from -40°C to +85°C and has a tolerance for up to 95% relative humidity without condensation. The module typically draws 130 mA from the E-bus and requires no current from power contacts. The EMC requirements EN 61000-6-2 and 61000-6-4 are met by this terminal.
The ES3068 EtherCAT terminalprocess image includes a 32-byte input allocation for efficient data handling. The terminal has advanced functions that include FIR and IIR filters and limit value monitoring for improved signal quality and diagnostic capabilities. The EtherCAT terminal supports pluggable wiring and is compatible with all ES series modules. It weighs approximately 60 g and operates within a temperature range of -25°C to +60°C.
Frequently Asked Questions about ES3068:
Q: Why does the ES3068 use sign extension in its 16-bit data format?
A: Sign extension ensures that negative voltages are accurately represented, improving data consistency during signal processing in control systems.
Q: How does the FIR filter in the ES3068 contribute to signal quality?
A: FIR filters help eliminate high-frequency noise, making the analog input signal more stable and suitable for precise measurements.
Q: What’s the role of the 1 kHz filter limit frequency in ES3068?
A: It prevents signal aliasing by limiting input frequency content, ensuring that only valid data within the operating range is processed.
Q: Why is 500 V isolation between E-bus and signal voltage important in ES3068?
A: This electrical isolation protects both the controller and field wiring from voltage surges and ground loops, enhancing safety and system integrity.
Q: How does the high internal resistance (>130 kΩ) benefit the ES3068?
A: It minimizes the loading effect on signal sources, preserving signal integrity especially when interfacing with high-impedance devices.
